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895 results on '"MIZUNO, Tsunefumi"'

151. Reproducibility of Non-X-ray Background for the X-ray Imaging Spectrometer aboard Suzaku

Author: Tawa, Noriaki, Hayashida, Kiyoshi, Nagai, Masaaki, Nakamoto, Hajime, Tsunemi, Hiroshi, Yamaguchi, Hiroya, Ishisaki, Yoshitaka, Miller, Eric, Mizuno, Tsunefumi, Dotani, Tadayasu, Ozaki, Masanobu, and Katayama, Haruyoshi
Subjects: Astrophysics
Abstract: One of the advantages of the X-ray Imaging Spectrometer (XIS) system on board Suzaku is its low and stable non-X-ray background (NXB). In order to make the best use of this advantage, modeling the NXB spectra with high accuracy is important to subtract them from the spectra of on-source observations. We construct an NXB database by collecting XIS events when the dark Earth covers the XIS FOV. The total exposure time of the NXB data is about 785 ks for each XIS. It is found that the count rate of the NXB anti-correlates with the cut-off-rigidity and correlates with the count rate of the PIN upper discriminator (PIN-UD) in Hard X-ray Detector on board Suzaku. We thus model the NXB spectrum for a given on-source observation by employing either of these parameters and obtain a better reproducibility of the NXB for the model with PIN-UD than that with the cut-off-rigidity. The reproducibility of the NXB model with PIN-UD is 4.55-5.63% for each XIS NXB in the 1-7 keV band and 2.79-4.36% for each XIS NXB in the 5-12 keV band for each 5 ks exposure of the NXB data. This NXB reproducibility is much smaller than the spatial fluctuation of the cosmic X-ray background in the 1-7 keV band, and is almost comparable to that in the 5-12 keV band., Comment: 25 pages, 13 figures, accepted for publication in PASJ (Suzaku Special Issue)
Published: 2008
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152. In Orbit Timing Calibration of the Hard X-Ray Detector on Board Suzaku

Author: Terada, Yukikatsu, Enoto, Teruaki, Miyawaki, Ryouhei, Ishisaki, Yoshitaka, Dotani, Tadayasu, Ebisawa, Ken, Ozaki, Masanobu, Ueda, Yoshihiro, Kuiper, Lucien, Endo, Manabu, Fukazawa, Yasushi, Kamae, Tsuneyoshi, Kawaharada, Madoka, Kokubun, Motohide, Kuroda, Yoshikatsu, Makishima, Kazuo, Masukawa, Kazunori, Mizuno, Tsunefumi, Murakami, Toshio, Nakazawa, Kazuhiro, Nakajima, Atsushi, Nomach, Masaharu, Shibayama, Naoki, Takahashi, Tadayuki, Takahashi, Hiromitsu, Tashiro, Makoto S., Tamagawa, Toru, Watanabe, Shin, Yamaguchi, Makio, Yamaoka, Kazutaka, and Yonetoku, Daisuke
Subjects: Astrophysics
Abstract: The hard X-ray detector (HXD) on board the X-ray satellite Suzaku is designed to have a good timing capability with a 61 $\mu$s time resolution. In addition to detailed descriptions of the HXD timing system, results of in-orbit timing calibration and performance of the HXD are summarized. The relative accuracy of time measurements of the HXD event was confirmed to have an accuracy of $1.9\times 10^{-9}$ s s$^{-1}$ per day, and the absolute timing was confirmed to be accurate to 360 $\mu$s or better. The results were achieved mainly through observations of the Crab pulsar, including simultaneous ones with RXTE, INTEGRAL, and Swift., Comment: Accepted for publication on PASJ Vol.60, SP-1, 2008
Published: 2007
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153. PoGOLite - A High Sensitivity Balloon-Borne Soft Gamma-ray Polarimeter

Author: Kamae, Tuneyoshi, Andersson, Viktor, Arimoto, Makoto, Axelsson, Magnus, Bettolo, Cecilia Marini, Björnsson, Claes-Ingvar, Bogaert, Gilles, Carlson, Per, Craig, William, Ekeberg, Tomas, Engdegård, Olle, Fukazawa, Yasushi, Gunji, Shuichi, Hjalmarsdotter, Linnea, Iwan, Bianca, Kanai, Yoshikazu, Kataoka, Jun, Kawai, Nobuyuki, Kazejev, Jaroslav, Kiss, Mózsi, Klamra, Wlodzimierz, Larsson, Stefan, Madejski, Grzegorz, Mizuno, Tsunefumi, Ng, Johnny, Pearce, Mark, Ryde, Felix, Suhonen, Markus, Tajima, Hiroyasu, Takahashi, Hiromitsu, Takahashi, Tadayuki, Tanaka, Takuya, Thurston, Timothy, Ueno, Masaru, Varner, Gary, Yamamoto, Kazuhide, Yamashita, Yuichiro, Ylinen, Tomi, and Yoshida, Hiroaki
Subjects: Astrophysics
Abstract: We describe a new balloon-borne instrument (PoGOLite) capable of detecting 10% polarisation from 200mCrab point-like sources between 25 and 80keV in one 6 hour flight. Polarisation measurements in the soft gamma-ray band are expected to provide a powerful probe into high-energy emission mechanisms as well as the distribution of magnetic fields, radiation fields and interstellar matter. At present, only exploratory polarisation measurements have been carried out in the soft gamma-ray band. Reduction of the large background produced by cosmic-ray particles has been the biggest challenge. PoGOLite uses Compton scattering and photo-absorption in an array of 217 well-type phoswich detector cells made of plastic and BGO scintillators surrounded by a BGO anticoincidence shield and a thick polyethylene neutron shield. The narrow FOV (1.25msr) obtained with well-type phoswich detector technology and the use of thick background shields enhance the detected S/N ratio. Event selections based on recorded phototube waveforms and Compton kinematics reduce the background to that expected for a 40-100mCrab source between 25 and 50keV. A 6 hour observation on the Crab will differentiate between the Polar Cap/Slot Gap, Outer Gap, and Caustic models with greater than 5 sigma; and also cleanly identify the Compton reflection component in the Cygnus X-1 hard state. The first flight is planned for 2010 and long-duration flights from Sweden to Northern Canada are foreseen thereafter., Comment: 11 pages, 11 figures, 2 tables
Published: 2007
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154. Suzaku wide-band observations of SN 1006

Author: Bamba, Aya, Fukazawa, Yasushi, Hiraga, Junko S., Hughes, John P., Katagiri, Hideaki, Kokubun, Motohide, Koyama, Katsuji, Miyata, Emi, Mizuno, Tsunefumi, Mori, Koji, Nakajima, Hiroshi, Ozaki, Masanobu, Petre, Rob, Takahashi, Hiromitsu, Takahashi, Tadayuki, Tanaka, Takaaki, Terada, Yukikatsu, Uchiyama, Yasunobu, Watanabe, Shin, and Yamaguchi, Hiroya
Subjects: Astrophysics
Abstract: We report on the wide band spectra of SN 1006 as observed by Suzaku. Thermal and nonthermal emission are successfully resolved thanks to the excellent spectral response of Suzaku's X-ray CCD XIS. The nonthermal emission cannot be reproduced by a simple power-law model but needs a roll-off at 5.7$\times 10^{16}$ Hz = 0.23 keV. The roll-off frequency is significantly higher in the northeastern rim than in the southwestern rim. We also have placed the most stringent upper limit of the flux above 10 keV using the Hard X-ray Detector., Comment: 16 pages, 8 figures, PASJ, in press
Published: 2007
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155. Low/Hard State Spectra of GRO J1655-40 Observed with Suzaku

Author: Takahashi, Hiromitsu, Fukazawa, Yasushi, Mizuno, Tsunefumi, Hirasawa, Ayumi, Kitamoto, Shunji, Sudoh, Keisuke, Ogita, Takayuki, Kubota, Aya, Makishima, Kazuo, Itoh, Takeshi, Parmar, Arvind N., Ebisawa, Ken, Naik, Sachindra, Dotani, Tadayasu, Kokubun, Motohide, Ohnuki, Kousuke, Takahashi, Tadayuki, Yaqoob, Tahir, Angelini, Lorella, Ueda, Yoshihiro, Yamaoka, Kazutaka, Kotani, Taro, Kawai, Nobuyuki, Namiki, Masaaki, Kohmura, Takayoshi, and Negoro, Hitoshi
Subjects: Astrophysics
Abstract: The Galactic black-hole binary GRO J1655$-$40 was observed with Suzaku on 2005 September 22--23, for a net exposure of 35 ks with the X-ray Imaging Spectrometer (XIS) and 20 ks with the Hard X-ray Detector (HXD). The source was detected over a broad and continuous energy range of 0.7--300 keV, with an intensity of $\sim$50 mCrab at 20 keV. At a distance of 3.2 kpc, the 0.7--300 keV luminosity is $ \sim 5.1 \times 10^{36}$ erg s$^{-1}$ ($\sim 0.7$ % of the Eddington luminosity for a 6 $M_{\odot}$ black hole). The source was in a typical low/hard state, exhibiting a power-law shaped continuum with a photon index of $\sim 1.6$. During the observation, the source intensity gradually decreased by 25% at energies above $\sim 3$ keV, and by 35% below 2 keV. This, together with the soft X-ray spectra taken with the XIS, suggests the presence of an independent soft component that can be represented by emission from a cool ($\sim 0.2$ keV) disk. The hard X-ray spectra obtained with the HXD reveal a high-energy spectral cutoff, with an e-folding energy of $\sim 200$ keV. Since the spectral photon index above 10 keV is harder by $\sim 0.4$ than that observed in the softer energy band, and the e-folding energy is higher than those of typical reflection humps, the entire 0.7--300 keV spectrum cannot be reproduced by a single thermal Comptonization model, even considering reflection effects. Instead, the spectrum (except the soft excess) can be successfully explained by invoking two thermal-Comptonization components with different $y$-parameters. In contrast to the high/soft state spectra of this object in which narrow iron absorption lines are detected with equivalent widths of 60--100 eV, the present XIS spectra bear no such features beyond an upper-limit equivalent width of 25 eV., Comment: 32 pages, 12 figures; accepted for publication in Publications of the Astronomical Society of Japan (PASJ)
Published: 2007
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156. Wide-band spectroscopy of the Compton thick Seyfert 2 galaxy Mrk 3 with Suzaku

Author: Awaki, Hisamitsu, Anabuki, Naohisa, Fukazawa, Yasuchi, Gallo, Luigi, Ikeda, Shinya, Isobe, Naoki, Itoh, Takeshi, Kunieda, Hideyo, Makishima, Kazuo, Markowitz, Alex G., Miniutti, Giovanni, Mizuno, Tsunefumi, Okajima, Takashi, Ptak, Andrew, Reeves, James N., Takahashi, Tadayuki, Terashima, Yuichi, and Yaqoob, Tahir
Subjects: Astrophysics
Abstract: We obtained a wide-band spectrum of the Compton-thick Seyfert 2 galaxy Mrk 3 with Suzaku. The observed spectrum was clearly resolved into weak, soft power-law emission, a heavily absorbed power-law component, cold reflection, and many emission lines. The heavily absorbed component, absorbed by gas with a column density of 1.1x10^24 cm^-2, has an intrinsic 2--10 keV luminosity of ~1.6x10^43 erg s^-1, and is considered to be direct emission from the Mrk 3 nucleus. The reflection component was interpreted as reflection of the direct light off cold, thick material; the reflection fraction $R$ was 1.36+/-0.20. The cold material is inferred to be located > 1 pc from the central black hole of Mrk 3 due to the low ionization parameter of iron (xi < 1 erg cm s^-1) and the narrow iron line width (s < 22 eV). A Compton shoulder to the iron line was detected, but the intensity of the shoulder component was less than that expected from spherically distributed Compton-thick material. The weak, soft power-law emission is considered to be scattered light by ionized gas. The existence of many highly-ionized lines from O, Ne, Mg, Si, S, and Fe in the observed spectrum indicates that the ionized gas has a broad ionized structure, with xi=10--1000. The scattering fraction with respect to the direct light was estimated to be 0.9+/-0.2%, which indicates that the column density of the scattering region is about 3.6x10^22 cm^-2. This high-quality spectrum obtained by Suzaku can be considered a template for studies of Seyfert 2 galaxies., Comment: 24 pages, 8 figures, accepted in PASJ for publication
Published: 2007
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157. Revealing the High Energy Emission from the Obscured Seyfert Galaxy MCG -5-23-16 with Suzaku

Author: Reeves, James N., Awaki, Hisamitsu, Dewangan, Gulab C., Fabian, Andy C., Fukazawa, Yasushi, Gallo, Luigi, Griffiths, Richard, Inoue, Hajime, Kunieda, Hideyo, Markowitz, Alex, MiniuttI, Giovanni, Mizuno, Tsunefumi, Mushotzky, Richard, Okajima, Takashi, Ptak, Andy, Takahashi, Tadayuki, Terashima, Yuichi, Ushio, Masayoshi, Watanabe, Shin, Yamasaki, Tomonori, Yamauchi, Makoto, and Yaqoob, Tahir
Subjects: Astrophysics
Abstract: We report on a 100 ks Suzaku observation of the bright, nearby (z=0.008486) Seyfert 1.9 galaxy MCG -5-23-16. The broad-band (0.4-100 keV) X-ray spectrum allows us to determine the nature of the high energy emission with little ambiguity. The X-ray continuum consists of a cutoff power-law of photon index $\Gamma=1.9$, absorbed through Compton-thin matter of column density $N_{\rm H}=1.6\times10^{22}$ cm$^{-2}$. A soft excess is observed below 1 keV and is likely a combination of emission from scattered continuum photons and distant photoionized gas. The iron K line profile is complex, showing narrow neutral iron K$\alpha$ and K$\beta$ emission, as well as a broad line which can be modeled by a moderately inclined accretion disk. The line profile shows either the disk is truncated at a few tens of gravitational radii, or the disk emissivity profile is relatively flat. A strong Compton reflection component is detected above 10 keV, which is best modeled by a combination of reflection off distant matter and the accretion disk. The reflection component does not appear to vary. The overall picture is that this Seyfert 1.9 galaxy is viewed at moderate (50 degrees) inclination through Compton-thin matter at the edge of a Compton-thick torus covering $2\pi$ steradians, consistent with unified models., Comment: 14 pages, inc 9 figures. Accepted for publication in PASJ (Suzaku Special Issue)
Published: 2006
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158. Parameterization of Gamma, e^+/- and Neutrino Spectra Produced by p-p Interaction in Astronomical Environment

Author: Kamae, Tuneyoshi, Karlsson, Niklas, Mizuno, Tsunefumi, Abe, Toshinori, and Koi, Tatsumi
Subjects: Astrophysics
Abstract: We present the yield and spectra of stable secondary particles (gamma, e^+/-, nu_e, nubar_e, nu_mu, and nubar_mu) of p-p interaction in parameterized formulae to facilitate calculations involving them in astronomical environments. The formulae are derived on the up-to-date p-p interaction model by [Kamae05] which incorporates the logarithmically rising inelastic cross-section, the diffraction dissociation process, and the Feynman scaling violation. To improve fidelity to experimental data in lower energies, two baryon resonance contributions have been added: one representing Delta(1232) and the other multiple resonances around 1600MeV/c^2. The parametrized formulae predict that all secondary particle spectra be harder by about 0.05 in power-law indices than that of the incident proton and their inclusive cross-sections be larger than those predicted by p-p interaction models based on the Feynman scaling., Comment: Errors and typos in Eqns 1-4 and Table 1 corrected and editorial changes incorporated
Published: 2006
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159. An optimized photoelectron track reconstruction method for photoelectric X-ray polarimeters

Author: Kitaguchi, Takao, Black, Kevin, Enoto, Teruaki, Fukazawa, Yasushi, Hayato, Asami, Hill, Joanne E., Iwakiri, Wataru B., Jahoda, Keith, Kaaret, Philip, McCurdy, Ross, Mizuno, Tsunefumi, Nakano, Toshio, and Tamagawa, Toru
Published: 2018
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160. Accretion Disk Spectra of the Ultra-luminous X-ray Sources in Nearby Spiral Galaxies and Galactic Superluminal Jet Sources

Author: Ebisawa, Ken, Zycki, Piotr, Kubota, Aya, Mizuno, Tsunefumi, and Watarai, Ken-ya
Subjects: Astrophysics
Abstract: Ultra-luminous Compact X-ray Sources (ULXs) in nearby spiral galaxies and Galactic superluminal jet sources share the common spectral characteristic that they have unusually high disk temperatures which cannot be explained in the framework of the standard optically thick accretion disk in the Schwarzschild metric. On the other hand, the standard accretion disk around the Kerr black hole might explain the observed high disk temperature, as the inner radius of the Kerr disk gets smaller and the disk temperature can be consequently higher. However, we point out that the observable Kerr disk spectra becomes significantly harder than Schwarzschild disk spectra only when the disk is highly inclined. This is because the emission from the innermost part of the accretion disk is Doppler-boosted for an edge-on Kerr disk, while hardly seen for a face-on disk. The Galactic superluminal jet sources are known to be highly inclined systems, thus their energy spectra may be explained with the standard Kerr disk with known black hole masses. For ULXs, on the other hand, the standard Kerr disk model seems implausible, since it is highly unlikely that their accretion disks are preferentially inclined, and, if edge-on Kerr disk model is applied, the black hole mass becomes unreasonably large (> 300 M_solar). Instead, the slim disk (advection dominated optically thick disk) model is likely to explain the observed super-Eddington luminosities, hard energy spectra, and spectral variations of ULXs. We suggest that ULXs are accreting black holes with a few tens of solar mass, which is not unexpected from the standard stellar evolution scenario, and that their X-ray emission is from the slim disk shining at super-Eddington luminosities., Comment: ApJ, accepted
Published: 2003
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161. Accretion Disk Spectra of the Ultra-luminous Compact X-ray Sources in Nearby Galaxies and the Super-luminal Jet Sources

Author: Ebisawa, Ken, Kubota, Aya, Mizuno, Tsunefumi, and Zycki, Piotr
Subjects: Astrophysics
Abstract: The Ultra-luminous Compact X-ray Sources (ULXs) in nearby spiral galaxies and the Galactic super-luminal jet sources share the common spectral characteristic that they have extremely high disk temperatures which cannot be explained in the framework of the standard accretion disk model in the Schwarzschild metric. We examine several possibilities to solve this ``too-hot'' disk problem. In particular, we have calculated an extreme Kerr disk model to fit the observed spectra. We found that the Kerr disk will become significantly harder compared to the Schwarzschild disk only when the disk is highly inclined. For super-luminal jet sources, which are known to be inclined systems, the Kerr disk model may work if we choose proper values for the black hole angular momentum. For the ULXs, however, the Kerr disk interpretation will be problematic, as it is highly unlikely that their accretion disks are preferentially inclined., Comment: Contribution to the 4th INTEGRAL Workshop (2000 September, Alicante, Spain)
Published: 2001

162. Slim Disk Model for Ultra-Luminous X-Ray Sources

Author: Watarai, Ken-ya, Mizuno, Tsunefumi, and Mineshige, Shin
Subjects: Astrophysics
Abstract: The Ultra Luminous X-ray Sources (ULXs) are unique in exhibiting moderately bright X-ray luminosities, $L_{\rm x} \sim 10^{38-40} {\rm erg~s^{-1}}$, and relatively high blackbody temperatures, $\Tin \sim 1.0-2.0 {\rm keV}$. From the constraint that $L_{\rm x}$ cannot exceed the Eddington luminosity, $L_{\rm E}$, we require relatively high black-hole masses, $M\sim 10-100 M_\odot$, however, for such large masses the standard disk theory predicts lower blackbody temperatures, $\Tin < 1.0$ keV. To understand a cause of this puzzling fact, we carefully calculate the accretion flow structure shining at $\sim L_{\rm E}$, fully taking into account the advective energy transport in the optically thick regime and the transonic nature of the flow. Our calculations show that at high accretion rate ($\dot M \ga 30~L_{\rm E}/c^2$) an apparently compact region with a size of $\Rin \simeq (1-3)\rg$ (with $\rg$ being Schwarzschild radius) is shining with a blackbody temperature of $\Tin \simeq 1.8 (M/10M_\odot)^{-1/4}$ keV even for the case of a non-rotating black hole. Further, $\Rin$ decreases as $\dot M$ increases, on the contrary to the canonical belief that the inner edge of the disk is fixed at the radius of the marginally stable last circular orbit. Accordingly, the loci of a constant black-hole mass on the "H-R diagram" (representing the relation between $L_{\rm x}$ and $\Tin$ both on the logarithmic scales) are not straight but bent towards the lower $M$ direction in the frame of the standard-disk relation., Comment: 5 pages, 2 figures, 2 tables, accepted for publication in the Astrophysical Journal Letters
Published: 2000
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163. Discovery of Spectral Transitions from Two Ultra-Luminous Compact X-Ray Sources in Ic342

Author: Kubota, Aya, Mizuno, Tsunefumi, Makishima, Kazuo, Fukazawa, Yasushi, Kotoku, Jun'ichi, Ohnishi, Tomohisa, and Tashiro, Makoto
Subjects: Astrophysics
Abstract: Two {\it ASCA} observations were made of two ultra-luminous compact X-ray sources (ULXs), Source 1 and Source 2, in the spiral galaxy IC 342. In the 1993 observation, Source 2 showed a 0.5--10 keV luminosity of $6 \times 10^{39}$ ergs s$^{-1}$ (assuming a distance of 4.0 Mpc), and a hard power-law spectrum of photon index $\sim 1.4$. As already reported, Source 1 was $\sim 3$ times brighter on that occasion, and exhibited a soft spectrum represented by a multi-color disk model of inner-disk temperature $ \sim 1.8$ keV. The second observation made in February 2000 revealed that Source 1 had made a transition into a hard spectral state, while Source 2 into a soft spectral state. The ULXs are therefore inferred to exhibit two distinct spectral states, and sometimes make transitions between them. These results significantly reinforce the scenario which describes ULXs as mass-accreting black holes., Comment: 11 pages, 3 figures; acceoted for ApJL
Published: 2000
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164. The Nature of Ultra-Luminous Compact X-Ray Sources in Nearby Spiral Galaxies

Author: Makishima, Kazuo, Kubota, Aya, Mizuno, Tsunefumi, Ohnishi, Tomohisa, Tashiro, Makoto, Aruga, Yoichi, Asai, Kazumi, Dotani, Tadayasu, Mitsuda, Kazuhisa, Ueda, Yoshihiro, Uno, Shin'ichiro, Yamaoka, Kazutaka, Ebisawa, Ken, Kohmura, Yoshiki, and Okada, Kyoko
Subjects: Astrophysics
Abstract: Studies were made of ASCA spectra of seven ultra-luminous compact X-ray sources (ULXs) in nearby spiral galaxies; M33 X-8 (Takano et al. 1994), M81 X-6 (Fabbiano 1988b; Kohmura et al. 1994; Uno 1997), IC 342 Source 1 (Okada et al. 1998), Dwingeloo 1 X-1 (Reynolds et al. 1997), NGC 1313 Source B (Fabbiano & Trinchieri 1987; Petre et al. 1994), and two sources in NGC 4565 (Mizuno et al. 1999). With the 0.5--10 keV luminosities in the range 10^{39-40} ergs/s, they are thought to represent a class of enigmatic X-ray sources often found in spiral galaxies. For some of them, the ASCA data are newly processed, or the published spectra are reanalyzed. For others, the published results are quoted. The ASCA spectra of all these seven sources have been described successfully with so called multi-color disk blackbody (MCD) emission arising from optically-thick standard accretion disks around black holes. Except the case of M33 X-8, the spectra do not exhibit hard tails. For the source luminosities not to exceed the Eddington limits, the black holes are inferred to have rather high masses, up to ~100 solar masses. However, the observed innermost disk temperatures of these objects, Tin = 1.1--1.8 keV, are too high to be compatible with the required high black-hole masses, as long as the standard accretion disks around Schwarzschild black holes are assumed. Similarly high disk temperatures are also observed from two Galactic transients with superluminal motions, GRO 1655-40 and GRS 1915+105. The issue of unusually high disk temperature may be explained by the black hole rotation, which makes the disk get closer to the black hole, and hence hotter., Comment: submitted to ApJ, December 1999
Published: 2000
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165. ASCA Observations of Two Ultra-Luminous Compact X-Ray Sources in the Edge-on Spiral Galaxy NGC 4565

Author: Mizuno, Tsunefumi, Ohnishi, Tomohisa, Kubota, Aya, Makishima, Kazuo, and Tashiro, Makoto
Subjects: Astrophysics
Abstract: The edge-on spiral galaxy NGC 4565 was observed for $\sim$ 35 ks with ASCA in the 0.5-10 keV energy band. The X-ray emission was dominated by two bright sources, which can be identified with two point-like X-ray sources seen in the ROSAT HRI image. The observed 0.5-10 keV fluxes of these sources, $1.7 \times 10^{-12} erg/s cm^{-2}$ and $0.7 \times 10^{-12}erg/s cm^{-2}$, %$1.66 \times 10^{-12} erg/s cm^{-2}$ %$0.66 \times 10^{-12} erg/s cm^{-2}$ imply bolometric luminosities of $1.0\times 10^{40} erg/s$ and $4 \times 10^{39} erg/s$, respectively. They exhibit similar spectra, which can be explained by emission from optically thick accretion disks with the inner disk temperature of 1.4-1.6 keV. One of them, coincident in position with the nucleus, shows too low absorption to be the active nucleus seen through the galaxy disk. Their spectra and high luminosities suggest that they are both mass accreting black hole binaries. However the black-hole mass required by the Eddington limit is rather high ($\geq 50 M_{\odot}$), and the observed disk temperature is too high to be compatible with the high black-hole mass. Several attempts are made to solve these problesms., Comment: 20pages
Published: 1999
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166. The Imaging x-ray polarimetry explorer (IXPE) at last!

Author: Soffitta, Paolo, primary, Baldini, Luca, additional, Baumgartner, Wayne H., additional, Bellazzini, Ronaldo, additional, Bongiorno, Stephen D., additional, Bucciantini, Niccolò, additional, Costa, Enrico, additional, Dovciak, Michal, additional, Ehlert, Steven R., additional, Kaaret, Philip E., additional, Kolodziejczak, Jeffery, additional, Latronico, Luca, additional, Marin, Frédéric, additional, Marscher, Alan, additional, Marshall, Herman L., additional, Matt, Giorgio, additional, Muleri, Fabio, additional, O'Dell, Stephen L., additional, Poutanen, Juri, additional, Ramsey, Brian D., additional, Romani, Roger W., additional, Slane, Patrick, additional, Tennant, Allyn F., additional, Turolla, Roberto, additional, Weisskopf, Martin C., additional, Agudo, Iván, additional, Antonelli, Lucio A., additional, Bachetti, Matteo, additional, Bianchi, Stefano, additional, Bonino, Raffaella, additional, Brez, Alessandro, additional, Capitanio, Fiamma, additional, Castellano, Simone, additional, Cavazzuti, Elisabetta, additional, Chen, Chien-Ting, additional, Ciprini, Stefano, additional, De Rosa, Alessandra, additional, Del Monte, Ettore, additional, Di Gesu, Laura, additional, Di Lalla, Niccolò, additional, Di Marco, Alessandro, additional, Donnarumma, Immacolata, additional, Doroshenko, Victor, additional, Enoto, Teruaki, additional, Evangelista, Yuri, additional, Fabiani, Sergio, additional, Ferrazzoli, Riccardo, additional, Garcia, Javier A., additional, Gunji, Shuichi, additional, Hayashida, Kiyoshi, additional, Heyl, Jeremy, additional, Iwakiri, Wataru, additional, Jorstad, Svetlana G., additional, Karas, Vladimir, additional, Kislat, Fabian, additional, Kitaguchi, Takao, additional, Krawczynski, Henric, additional, La Monaca, Fabio, additional, Liodakis, Ioannis, additional, Maldera, Simone, additional, Manfreda, Alberto, additional, Marinucci, Andrea, additional, Massaro, Francesco, additional, Mitsuishi, Ikuyuki, additional, Mizuno, Tsunefumi, additional, Negro, Michela, additional, Ng, C.-Y., additional, Omodei, Nicola, additional, Oppedisano, Chiara, additional, Papitto, Alessandro, additional, Pavlov, George G., additional, Peirson, Abel L., additional, Perri, Matteo, additional, Pesce-Rollins, Melissa, additional, Petrucci, Pierre-Olivier, additional, Pilia, Maura, additional, Possenti, Andrea, additional, Puccetti, Simonetta, additional, Rankin, John, additional, Ratheesh, Ajay, additional, Roberts, Oliver J., additional, Sgrò, Carmelo, additional, Spandre, Gloria, additional, Swartz, Douglas A., additional, Tamagawa, Toru, additional, Tavecchio, Fabrizio, additional, Taverna, Roberto, additional, Tawara, Yuzuru, additional, Thomas, Nicholas E., additional, Tombesi, Francesco, additional, Trois, Alessio, additional, Tsygankov, Sergey S., additional, Vink, Jacco, additional, Wu, Kinwah, additional, Xie, Fei, additional, and Zane, Silvia, additional
Published: 2023
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167. Complex variations in X-ray polarization in the X-ray pulsar LS V +44 17/RX J0440.9+4431

Author: Doroshenko, Victor, primary, Poutanen, Juri, additional, Heyl, Jeremy, additional, Tsygankov, Sergey S., additional, Caiazzo, Ilaria, additional, Turolla, Roberto, additional, Veledina, Alexandra, additional, Weisskopf, Martin C., additional, Forsblom, Sofia V., additional, González-Caniulef, Denis, additional, Loktev, Vladislav, additional, Malacaria, Christian, additional, Mushtukov, Alexander A., additional, Suleimanov, Valery F., additional, Lutovinov, Alexander A., additional, Mereminskiy, Ilya A., additional, Molkov, Sergey V., additional, Salganik, Alexander, additional, Santangelo, Andrea, additional, Berdyugin, Andrei V., additional, Kravtsov, Vadim, additional, Nitindala, Anagha P., additional, Agudo, Iván, additional, Antonelli, Lucio A., additional, Bachetti, Matteo, additional, Baldini, Luca, additional, Baumgartner, Wayne H., additional, Bellazzini, Ronaldo, additional, Bianchi, Stefano, additional, Bongiorno, Stephen D., additional, Bonino, Raffaella, additional, Brez, Alessandro, additional, Bucciantini, Niccolò, additional, Capitanio, Fiamma, additional, Castellano, Simone, additional, Cavazzuti, Elisabetta, additional, Chen, Chien-Ting, additional, Ciprini, Stefano, additional, Costa, Enrico, additional, De Rosa, Alessandra, additional, Del Monte, Ettore, additional, Di Gesu, Laura, additional, Di Lalla, Niccolò, additional, Di Marco, Alessandro, additional, Donnarumma, Immacolata, additional, Dovčiak, Michal, additional, Ehlert, Steven R., additional, Enoto, Teruaki, additional, Evangelista, Yuri, additional, Fabiani, Sergio, additional, Ferrazzoli, Riccardo, additional, García, Javier A., additional, Gunji, Shuichi, additional, Hayashida, Kiyoshi, additional, Iwakiri, Wataru, additional, Jorstad, Svetlana G., additional, Kaaret, Philip, additional, Karas, Vladimir, additional, Kislat, Fabian, additional, Kitaguchi, Takao, additional, Kolodziejczak, Jeffery J., additional, Krawczynski, Henric, additional, La Monaca, Fabio, additional, Latronico, Luca, additional, Liodakis, Ioannis, additional, Maldera, Simone, additional, Manfreda, Alberto, additional, Marin, Frédéric, additional, Marinucci, Andrea, additional, Marscher, Alan P., additional, Marshall, Herman L., additional, Massaro, Francesco, additional, Matt, Giorgio, additional, Mitsuishi, Ikuyuki, additional, Mizuno, Tsunefumi, additional, Muleri, Fabio, additional, Negro, Michela, additional, Ng, Chi-Yung, additional, O’Dell, Stephen L., additional, Omodei, Nicola, additional, Oppedisano, Chiara, additional, Papitto, Alessandro, additional, Pavlov, George G., additional, Peirson, Abel L., additional, Perri, Matteo, additional, Pesce-Rollins, Melissa, additional, Petrucci, Pierre-Olivier, additional, Pilia, Maura, additional, Possenti, Andrea, additional, Puccetti, Simonetta, additional, Ramsey, Brian D., additional, Rankin, John, additional, Ratheesh, Ajay, additional, Roberts, Oliver J., additional, Romani, Roger W., additional, Sgrò, Carmelo, additional, Slane, Patrick, additional, Soffitta, Paolo, additional, Spandre, Gloria, additional, Swartz, Douglas A., additional, Tamagawa, Toru, additional, Tavecchio, Fabrizio, additional, Taverna, Roberto, additional, Tawara, Yuzuru, additional, Tennant, Allyn F., additional, Thomas, Nicholas E., additional, Tombesi, Francesco, additional, Trois, Alessio, additional, Vink, Jacco, additional, Wu, Kinwah, additional, Xie, Fei, additional, and Zane, Silvia, additional
Published: 2023
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168. GRBAlpha: The smallest astrophysical space observatory

Author: Pál, András, primary, Ohno, Masanori, additional, Mészáros, László, additional, Werner, Norbert, additional, Řípa, Jakub, additional, Csák, Balázs, additional, Dafčíková, Marianna, additional, Frajt, Marcel, additional, Fukazawa, Yasushi, additional, Hanák, Peter, additional, Hudec, Ján, additional, Husáriková, Nikola, additional, Kapuš, Jakub, additional, Kasal, Miroslav, additional, Kolář, Martin, additional, Koleda, Martin, additional, Laszlo, Robert, additional, Lipovský, Pavol, additional, Mizuno, Tsunefumi, additional, Münz, Filip, additional, Nakazawa, Kazuhiro, additional, Rezenov, Maksim, additional, Šmelko, Miroslav, additional, Takahashi, Hiromitsu, additional, Topinka, Martin, additional, Urbanec, Tomáš, additional, Breuer, Jean-Paul, additional, Bozóki, Tamás, additional, Dálya, Gergely, additional, Enoto, Teruaki, additional, Frei, Zsolt, additional, Friss, Gergely, additional, Galgóczi, Gábor, additional, Hroch, Filip, additional, Ichinohe, Yuto, additional, Kapás, Kornél, additional, Kiss, László L., additional, Matake, Hiroto, additional, Odaka, Hirokazu, additional, Poon, Helen, additional, Povalač, Aleš, additional, Takátsy, János, additional, Torigoe, Kento, additional, Uchida, Nagomi, additional, and Uchida, Yuusuke, additional
Published: 2023
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169. The peak flux of GRB 221009A measured with GRBAlpha

Author: Řípa, Jakub, primary, Takahashi, Hiromitsu, additional, Fukazawa, Yasushi, additional, Werner, Norbert, additional, Münz, Filip, additional, Pál, András, additional, Ohno, Masanori, additional, Dafčíková, Marianna, additional, Mészáros, László, additional, Csák, Balázs, additional, Husáriková, Nikola, additional, Kolář, Martin, additional, Galgóczi, Gábor, additional, Breuer, Jean-Paul, additional, Hroch, Filip, additional, Hudec, Ján, additional, Kapuš, Jakub, additional, Frajt, Marcel, additional, Rezenov, Maksim, additional, Laszlo, Robert, additional, Koleda, Martin, additional, Šmelko, Miroslav, additional, Hanák, Peter, additional, Lipovský, Pavol, additional, Urbanec, Tomáš, additional, Kasal, Miroslav, additional, Povalač, Aleš, additional, Uchida, Yuusuke, additional, Poon, Helen, additional, Matake, Hiroto, additional, Nakazawa, Kazuhiro, additional, Uchida, Nagomi, additional, Bozóki, Tamás, additional, Dálya, Gergely, additional, Enoto, Teruaki, additional, Frei, Zsolt, additional, Friss, Gergely, additional, Ichinohe, Yuto, additional, Kapás, Kornél, additional, Kiss, László L., additional, Mizuno, Tsunefumi, additional, Odaka, Hirokazu, additional, Takátsy, János, additional, Topinka, Martin, additional, and Torigoe, Kento, additional
Published: 2023
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170. IXPE and XMM-Newton Observations of the Soft Gamma Repeater SGR 1806–20

Author: Turolla, Roberto, primary, Taverna, Roberto, additional, Israel, Gian Luca, additional, Muleri, Fabio, additional, Zane, Silvia, additional, Bachetti, Matteo, additional, Heyl, Jeremy, additional, Di Marco, Alessandro, additional, Gau, Ephraim, additional, Krawczynski, Henric, additional, Ng, Mason, additional, Possenti, Andrea, additional, Poutanen, Juri, additional, Baldini, Luca, additional, Matt, Giorgio, additional, Negro, Michela, additional, Agudo, Iván, additional, Antonelli, Lucio A., additional, Baumgartner, Wayne H., additional, Bellazzini, Ronaldo, additional, Bianchi, Stefano, additional, Bongiorno, Stephen D., additional, Bonino, Raffaella, additional, Brez, Alessandro, additional, Bucciantini, Niccolò, additional, Capitanio, Fiamma, additional, Castellano, Simone, additional, Cavazzuti, Elisabetta, additional, Chen, Chieng-Ting, additional, Ciprini, Stefano, additional, Costa, Enrico, additional, De Rosa, Alessandra, additional, Del Monte, Ettore, additional, Di Gesu, Laura, additional, Di Lalla, Niccolò, additional, Donnarumma, Immacolata, additional, Doroshenko, Victor, additional, Dovčiak, Michal, additional, Ehlert, Steven R., additional, Enoto, Teruaki, additional, Evangelista, Yuri, additional, Fabiani, Sergio, additional, Ferrazzoli, Riccardo, additional, Garcia, Javier A., additional, Gunji, Shuichi, additional, Hayashida, Kiyoshi, additional, Iwakiri, Wataru, additional, Jorstad, Svetlana G., additional, Kaaret, Philip, additional, Karas, Vladimir, additional, Kislat, Fabian, additional, Kitaguchi, Takao, additional, Kolodziejczak, Jeffery J., additional, La Monaca, Fabio, additional, Latronico, Luca, additional, Liodakis, Ioannis, additional, Maldera, Simone, additional, Manfreda, Alberto, additional, Marin, Frédéric, additional, Marinucci, Andrea, additional, Marscher, Alan P., additional, Marshall, Herman L., additional, Massaro, Francesco, additional, Mitsuishi, Ikuyuki, additional, Mizuno, Tsunefumi, additional, Ng, C.-Y., additional, O’Dell, Stephen L., additional, Omodei, Nicola, additional, Oppedisano, Chiara, additional, Papitto, Alessandro, additional, Pavlov, George G., additional, Peirson, Abel L., additional, Perri, Matteo, additional, Pesce-Rollins, Melissa, additional, Petrucci, Pierre-Olivier, additional, Pilia, Maura, additional, Puccetti, Simonetta, additional, Ramsey, Brian D., additional, Rankin, John, additional, Ratheesh, Ajay, additional, Roberts, Oliver J., additional, Romani, Roger W., additional, Sgró, Carmelo, additional, Slane, Patrick, additional, Soffitta, Paolo, additional, Spandre, Gloria, additional, Swartz, Douglas A., additional, Tamagawa, Toru, additional, Tavecchio, Fabrizio, additional, Tawara, Yuzuru, additional, Tennant, Allyn F., additional, Thomas, Nicholas E., additional, Tombesi, Francesco, additional, Trois, Alessio, additional, Tsygankov, Sergey S., additional, Vink, Jacco, additional, Weisskopf, Martin C., additional, Wu, Kinwah, additional, and Xie, Fei, additional
Published: 2023
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171. IXPE view of the Crab pulsar wind nebula

Author: Mizuno, Tsunefumi, primary, Ohno, Hiroshi, additional, Watanabe, Eri, additional, Bucciantini, Niccolò, additional, Gunji, Shuichi, additional, Shibata, Sinpei, additional, Slane, Patrick, additional, and Weisskopf, Martin, additional
Published: 2023
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172. IXPE and Multiwavelength Observations of Blazar PG 1553+113 Reveal an Orphan Optical Polarization Swing

Author: Middei, Riccardo, primary, Perri, Matteo, additional, Puccetti, Simonetta, additional, Liodakis, Ioannis, additional, Di Gesu, Laura, additional, Marscher, Alan P., additional, Cavero, Nicole Rodriguez, additional, Tavecchio, Fabrizio, additional, Donnarumma, Immacolata, additional, Laurenti, Marco, additional, Jorstad, Svetlana G., additional, Agudo, Iván, additional, Marshall, Herman L., additional, Pacciani, Luigi, additional, Kim, Dawoon E., additional, Aceituno, Francisco José, additional, Bonnoli, Giacomo, additional, Casanova, Víctor, additional, Agís-González, Beatriz, additional, Sota, Alfredo, additional, Casadio, Carolina, additional, Escudero, Juan, additional, Myserlis, Ioannis, additional, Sievers, Albrecht, additional, Kouch, Pouya M., additional, Lindfors, Elina, additional, Gurwell, Mark, additional, Keating, Garrett K., additional, Rao, Ramprasad, additional, Kang, Sincheol, additional, Lee, Sang-Sung, additional, Kim, Sang-Hyun, additional, Cheong, Whee Yeon, additional, Jeong, Hyeon-Woo, additional, Angelakis, Emmanouil, additional, Kraus, Alexander, additional, Antonelli, Lucio A., additional, Bachetti, Matteo, additional, Baldini, Luca, additional, Baumgartner, Wayne H., additional, Bellazzini, Ronaldo, additional, Bianchi, Stefano, additional, Bongiorno, Stephen D., additional, Bonino, Raffaella, additional, Brez, Alessandro, additional, Bucciantini, Niccolò, additional, Capitanio, Fiamma, additional, Castellano, Simone, additional, Cavazzuti, Elisabetta, additional, Chen, Chien-Ting, additional, Ciprini, Stefano, additional, Costa, Enrico, additional, De Rosa, Alessandra, additional, Del Monte, Ettore, additional, Di Lalla, Niccolò, additional, Di Marco, Alessandro, additional, Doroshenko, Victor, additional, Dovčiak, Michal, additional, Ehlert, Steven R., additional, Enoto, Teruaki, additional, Evangelista, Yuri, additional, Fabiani, Sergio, additional, Ferrazzoli, Riccardo, additional, García, Javier A., additional, Gunji, Shuichi, additional, Hayashida, Kiyoshi, additional, Heyl, Jeremy, additional, Iwakiri, Wataru, additional, Kaaret, Philip, additional, Karas, Vladimir, additional, Kislat, Fabian, additional, Kitaguchi, Takao, additional, Kolodziejczak, Jeffery J., additional, Krawczynski, Henric, additional, La Monaca, Fabio, additional, Latronico, Luca, additional, Maldera, Simone, additional, Manfreda, Alberto, additional, Marin, Frédéric, additional, Marinucci, Andrea, additional, Massaro, Francesco, additional, Matt, Giorgio, additional, Mitsuishi, Ikuyuki, additional, Mizuno, Tsunefumi, additional, Muleri, Fabio, additional, Negro, Michela, additional, Ng, Chi-Yung, additional, O’Dell, Stephen L., additional, Omodei, Nicola, additional, Oppedisano, Chiara, additional, Papitto, Alessandro, additional, Pavlov, George G., additional, Peirson, Abel L., additional, Pesce-Rollins, Melissa, additional, Petrucci, Pierre-Olivier, additional, Pilia, Maura, additional, Possenti, Andrea, additional, Poutanen, Juri, additional, Ramsey, Brian D., additional, Rankin, John, additional, Ratheesh, Ajay, additional, Roberts, Oliver J., additional, Romani, Roger W., additional, Sgrò, Carmelo, additional, Slane, Patrick, additional, Soffitta, Paolo, additional, Spandre, Gloria, additional, Swartz, Douglas A., additional, Tamagawa, Toru, additional, Taverna, Roberto, additional, Tawara, Yuzuru, additional, Tennant, Allyn F., additional, Thomas, Nicholas E., additional, Tombesi, Francesco, additional, Trois, Alessio, additional, Tsygankov, Sergey S., additional, Turolla, Roberto, additional, Vink, Jacco, additional, Weisskopf, Martin C., additional, Wu, Kinwah, additional, Xie, Fei, additional, and Zane, Silvia, additional
Published: 2023
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173. First Detection of X-Ray Polarization from the Accreting Neutron Star 4U 1820−303

Author: Di Marco, Alessandro, primary, La Monaca, Fabio, additional, Poutanen, Juri, additional, Russell, Thomas D., additional, Anitra, Alessio, additional, Farinelli, Ruben, additional, Mastroserio, Guglielmo, additional, Muleri, Fabio, additional, Xie, Fei, additional, Bachetti, Matteo, additional, Burderi, Luciano, additional, Carotenuto, Francesco, additional, Del Santo, Melania, additional, Di Salvo, Tiziana, additional, Dovčiak, Michal, additional, Gnarini, Andrea, additional, Iaria, Rosario, additional, Kajava, Jari J. E., additional, Liu, Kuan, additional, Middei, Riccardo, additional, O’Dell, Stephen L., additional, Pilia, Maura, additional, Rankin, John, additional, Sanna, Andrea, additional, Eijnden, Jakob van den, additional, Weisskopf, Martin C., additional, Bobrikova, Anna, additional, Capitanio, Fiamma, additional, Costa, Enrico, additional, Kaaret, Philip, additional, Marino, Alessio, additional, Soffitta, Paolo, additional, Ursini, Francesco, additional, Ambrosino, Filippo, additional, Cocchi, Massimo, additional, Fabiani, Sergio, additional, Marshall, Herman L., additional, Matt, Giorgio, additional, Motta, Sara Elisa, additional, Papitto, Alessandro, additional, Stella, Luigi, additional, Tarana, Antonella, additional, Zane, Silvia, additional, Agudo, Iván, additional, Antonelli, Lucio A., additional, Baldini, Luca, additional, Baumgartner, Wayne H., additional, Bellazzini, Ronaldo, additional, Bianchi, Stefano, additional, Bongiorno, Stephen D., additional, Bonino, Raffaella, additional, Brez, Alessandro, additional, Bucciantini, Niccolò, additional, Castellano, Simone, additional, Cavazzuti, Elisabetta, additional, Chen, Chien-Ting, additional, Ciprini, Stefano, additional, De Rosa, Alessandra, additional, Del Monte, Ettore, additional, Di Gesu, Laura, additional, Di Lalla, Niccolò, additional, Donnarumma, Immacolata, additional, Doroshenko, Victor, additional, Ehlert, Steven R., additional, Enoto, Teruaki, additional, Evangelista, Yuri, additional, Ferrazzoli, Riccardo, additional, Garcia, Javier A., additional, Gunji, Shuichi, additional, Hayashida, Kiyoshi, additional, Heyl, Jeremy, additional, Iwakiri, Wataru, additional, Jorstad, Svetlana G., additional, Karas, Vladimir, additional, Kislat, Fabian, additional, Kitaguchi, Takao, additional, Kolodziejczak, Jeffery J., additional, Krawczynski, Henric, additional, Latronico, Luca, additional, Liodakis, Ioannis, additional, Maldera, Simone, additional, Manfreda, Alberto, additional, Marin, Frédéric, additional, Marinucci, Andrea, additional, Marscher, Alan P., additional, Massaro, Francesco, additional, Mitsuishi, Ikuyuki, additional, Mizuno, Tsunefumi, additional, Negro, Michela, additional, Ng, Chi-Yung, additional, Omodei, Nicola, additional, Oppedisano, Chiara, additional, Pavlov, George G., additional, Peirson, Abel L., additional, Perri, Matteo, additional, Pesce-Rollins, Melissa, additional, Petrucci, Pierre-Olivier, additional, Possenti, Andrea, additional, Puccetti, Simonetta, additional, Ramsey, Brian D., additional, Ratheesh, Ajay, additional, Roberts, Oliver J., additional, Romani, Roger W., additional, Sgrò, Carmelo, additional, Slane, Patrick, additional, Spandre, Gloria, additional, Swartz, Douglas A., additional, Tamagawa, Toru, additional, Tavecchio, Fabrizio, additional, Taverna, Roberto, additional, Tawara, Yuzuru, additional, Tennant, Allyn F., additional, Thomas, Nicholas E., additional, Tombesi, Francesco, additional, Trois, Alessio, additional, Tsygankov, Sergey S., additional, Turolla, Roberto, additional, Vink, Jacco, additional, and Wu, Kinwah, additional
Published: 2023
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174. The Declined Activity in the Nucleus of NGC 1316

Author: Iyomoto, Naoko, Makishima, Kazuo, Tashiro, Makoto, Inoue, Susumu, Kaneda, Hidehiro, Matsumoto, Yukari, and Mizuno, Tsunefumi
Subjects: Astrophysics
Abstract: NGC 1316 (Fornax A) is a radio galaxy with prototypical double lobes, where the magnetic field intensity is accurately measured via the inverse-Compton technique. The radio-emitting electrons in the lobes are inferred to have a synchrotron life time of 0.1 Gyr. Considering the lobe energetics, we estimate the past nuclear X-ray luminosity of NGC 1316 to be at least 4 times 10^{34} W (4 times 10^{41} erg s^{-1}). Thus, the nucleus was rather active at least 0.1 Gyr ago. In contrast, we confirmed with ASCA and ROSAT that the nucleus of NGC 1316 is very faint in X-rays at present, with the 2--10 keV luminosity of any AGN-like hard component being < 2 times 10^{33} W (2 times 10^{40} erg s^{-1}) even assuming a nuclear obscuration up to 10^{28} m^{-2} (10^{24} cm^{-2}). This is at least an order of magnitude lower than the estimated past activity, indicating that the nucleus is presently very inactive. From these two results, we conclude that the nucleus of NGC 1316 has become dormant during the last 0.1 Gyr. This suggests the possible abundance of ``dormant'' quasars in nearby galaxies., Comment: 7 pages, 2 figures, to be published in the Astrophysical Journal Letters
Published: 1998
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175. A polarimetrically oriented X-ray stare at the accreting pulsar EXO 2030+375

Author: Malacaria, Christian, primary, Heyl, Jeremy, additional, Doroshenko, Victor, additional, Tsygankov, Sergey S., additional, Poutanen, Juri, additional, Forsblom, Sofia V., additional, Capitanio, Fiamma, additional, Di Marco, Alessandro, additional, Du, Yujia, additional, Ducci, Lorenzo, additional, La Monaca, Fabio, additional, Lutovinov, Alexander A., additional, Marshall, Herman L., additional, Mereminskiy, Ilya A., additional, Molkov, Sergey V., additional, Mushtukov, Alexander A., additional, Ng, Mason, additional, Petrucci, Pierre-Olivier, additional, Santangelo, Andrea, additional, Shtykovsky, Andrey E., additional, Suleimanov, Valery F., additional, Agudo, Iván, additional, Antonelli, Lucio A., additional, Bachetti, Matteo, additional, Baldini, Luca, additional, Baumgartner, Wayne H., additional, Bellazzini, Ronaldo, additional, Bianchi, Stefano, additional, Bongiorno, Stephen D., additional, Bonino, Raffaella, additional, Brez, Alessandro, additional, Bucciantini, Niccolò, additional, Castellano, Simone, additional, Cavazzuti, Elisabetta, additional, Chen, Chien-Ting, additional, Ciprini, Stefano, additional, Costa, Enrico, additional, De Rosa, Alessandra, additional, Del Monte, Ettore, additional, Di Gesu, Laura, additional, Di Lalla, Niccolò, additional, Donnarumma, Immacolata, additional, Dovčiak, Michal, additional, Ehlert, Steven R., additional, Enoto, Teruaki, additional, Evangelista, Yuri, additional, Fabiani, Sergio, additional, Ferrazzoli, Riccardo, additional, Garcia, Javier A., additional, Gunji, Shuichi, additional, Hayashida, Kiyoshi, additional, Iwakiri, Wataru, additional, Jorstad, Svetlana G., additional, Kaaret, Philip, additional, Karas, Vladimir, additional, Kislat, Fabian, additional, Kitaguchi, Takao, additional, Kolodziejczak, Jeffery J., additional, Krawczynski, Henric, additional, Latronico, Luca, additional, Liodakis, Ioannis, additional, Maldera, Simone, additional, Manfreda, Alberto, additional, Marin, Frédéric, additional, Marinucci, Andrea, additional, Marscher, Alan P., additional, Massaro, Francesco, additional, Matt, Giorgio, additional, Mitsuishi, Ikuyuki, additional, Mizuno, Tsunefumi, additional, Muleri, Fabio, additional, Negro, Michela, additional, Ng, Chi-Yung, additional, O’Dell, Stephen L., additional, Omodei, Nicola, additional, Oppedisano, Chiara, additional, Papitto, Alessandro, additional, Pavlov, George G., additional, Peirson, Abel L., additional, Perri, Matteo, additional, Pesce-Rollins, Melissa, additional, Pilia, Maura, additional, Possenti, Andrea, additional, Puccetti, Simonetta, additional, Ramsey, Brian D., additional, Rankin, John, additional, Ratheesh, Ajay, additional, Roberts, Oliver J., additional, Romani, Roger W., additional, Sgrò, Carmelo, additional, Slane, Patrick, additional, Soffitta, Paolo, additional, Spandre, Gloria, additional, Swartz, Douglas A., additional, Tamagawa, Toru, additional, Tavecchio, Fabrizio, additional, Taverna, Roberto, additional, Tawara, Yuzuru, additional, Tennant, Allyn F., additional, Thomas, Nicholas E., additional, Tombesi, Francesco, additional, Trois, Alessio, additional, Turolla, Roberto, additional, Vink, Jacco, additional, Weisskopf, Martin C., additional, Wu, Kinwah, additional, Xie, Fei, additional, and Zane, Silvia, additional
Published: 2023
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176. X-ray pulsar GRO J1008−57 as an orthogonal rotator

Author: Tsygankov, Sergey S., primary, Doroshenko, Victor, additional, Mushtukov, Alexander A., additional, Poutanen, Juri, additional, Di Marco, Alessandro, additional, Heyl, Jeremy, additional, La Monaca, Fabio, additional, Forsblom, Sofia V., additional, Malacaria, Christian, additional, Marshall, Herman L., additional, Suleimanov, Valery F., additional, Svoboda, Jiri, additional, Taverna, Roberto, additional, Ursini, Francesco, additional, Agudo, Iván, additional, Antonelli, Lucio A., additional, Bachetti, Matteo, additional, Baldini, Luca, additional, Baumgartner, Wayne H., additional, Bellazzini, Ronaldo, additional, Bianchi, Stefano, additional, Bongiorno, Stephen D., additional, Bonino, Raffaella, additional, Brez, Alessandro, additional, Bucciantini, Niccolò, additional, Capitanio, Fiamma, additional, Castellano, Simone, additional, Cavazzuti, Elisabetta, additional, Chen, Chien-Ting, additional, Ciprini, Stefano, additional, Costa, Enrico, additional, De Rosa, Alessandra, additional, Del Monte, Ettore, additional, Di Gesu, Laura, additional, Di Lalla, Niccolò, additional, Donnarumma, Immacolata, additional, Dovčiak, Michal, additional, Ehlert, Steven R., additional, Enoto, Teruaki, additional, Evangelista, Yuri, additional, Fabiani, Sergio, additional, Ferrazzoli, Riccardo, additional, Garcia, Javier A., additional, Gunji, Shuichi, additional, Hayashida, Kiyoshi, additional, Iwakiri, Wataru, additional, Jorstad, Svetlana G., additional, Kaaret, Philip, additional, Karas, Vladimir, additional, Kislat, Fabian, additional, Kitaguchi, Takao, additional, Kolodziejczak, Jeffery J., additional, Krawczynski, Henric, additional, Latronico, Luca, additional, Liodakis, Ioannis, additional, Maldera, Simone, additional, Manfreda, Alberto, additional, Marin, Frédéric, additional, Marinucci, Andrea, additional, Marscher, Alan P., additional, Massaro, Francesco, additional, Matt, Giorgio, additional, Mitsuishi, Ikuyuki, additional, Mizuno, Tsunefumi, additional, Muleri, Fabio, additional, Negro, Michela, additional, Ng, Chi-Yung, additional, O’Dell, Stephen L., additional, Omodei, Nicola, additional, Oppedisano, Chiara, additional, Papitto, Alessandro, additional, Pavlov, George G., additional, Peirson, Abel L., additional, Perri, Matteo, additional, Pesce-Rollins, Melissa, additional, Petrucci, Pierre-Olivier, additional, Pilia, Maura, additional, Possenti, Andrea, additional, Puccetti, Simonetta, additional, Ramsey, Brian D., additional, Rankin, John, additional, Ratheesh, Ajay, additional, Roberts, Oliver J., additional, Romani, Roger W., additional, Sgrò, Carmelo, additional, Slane, Patrick, additional, Soffitta, Paolo, additional, Spandre, Gloria, additional, Swartz, Douglas A., additional, Tamagawa, Toru, additional, Tavecchio, Fabrizio, additional, Tawara, Yuzuru, additional, Tennant, Allyn F., additional, Thomas, Nicholas E., additional, Tombesi, Francesco, additional, Trois, Alessio, additional, Turolla, Roberto, additional, Vink, Jacco, additional, Weisskopf, Martin C., additional, Wu, Kinwah, additional, Xie, Fei, additional, and Zane, Silvia, additional
Published: 2023
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177. X-ray polarization evidence for a 200-year-old flare of Sgr A*

Author: Marin, Frédéric, primary, Churazov, Eugene, additional, Khabibullin, Ildar, additional, Ferrazzoli, Riccardo, additional, Di Gesu, Laura, additional, Barnouin, Thibault, additional, Di Marco, Alessandro, additional, Middei, Riccardo, additional, Vikhlinin, Alexey, additional, Costa, Enrico, additional, Soffitta, Paolo, additional, Muleri, Fabio, additional, Sunyaev, Rashid, additional, Forman, William, additional, Kraft, Ralph, additional, Bianchi, Stefano, additional, Donnarumma, Immacolata, additional, Petrucci, Pierre-Olivier, additional, Enoto, Teruaki, additional, Agudo, Iván, additional, Antonelli, Lucio A., additional, Bachetti, Matteo, additional, Baldini, Luca, additional, Baumgartner, Wayne H., additional, Bellazzini, Ronaldo, additional, Bongiorno, Stephen D., additional, Bonino, Raffaella, additional, Brez, Alessandro, additional, Bucciantini, Niccolò, additional, Capitanio, Fiamma, additional, Castellano, Simone, additional, Cavazzuti, Elisabetta, additional, Chen, Chien-Ting, additional, Ciprini, Stefano, additional, De Rosa, Alessandra, additional, Del Monte, Ettore, additional, Di Lalla, Niccolò, additional, Doroshenko, Victor, additional, Dovčiak, Michal, additional, Ehlert, Steven R., additional, Evangelista, Yuri, additional, Fabiani, Sergio, additional, Garcia, Javier A., additional, Gunji, Shuichi, additional, Hayashida, Kiyoshi, additional, Heyl, Jeremy, additional, Ingram, Adam, additional, Iwakiri, Wataru, additional, Jorstad, Svetlana G., additional, Kaaret, Philip, additional, Karas, Vladimir, additional, Kitaguchi, Takao, additional, Kolodziejczak, Jeffery J., additional, Krawczynski, Henric, additional, La Monaca, Fabio, additional, Latronico, Luca, additional, Liodakis, Ioannis, additional, Maldera, Simone, additional, Manfreda, Alberto, additional, Marinucci, Andrea, additional, Marscher, Alan P., additional, Marshall, Herman L., additional, Massaro, Francesco, additional, Matt, Giorgio, additional, Mitsuishi, Ikuyuki, additional, Mizuno, Tsunefumi, additional, Negro, Michela, additional, Ng, C.-Y., additional, O’Dell, Stephen L., additional, Omodei, Nicola, additional, Oppedisano, Chiara, additional, Papitto, Alessandro, additional, Pavlov, George G., additional, Peirson, Abel L., additional, Perri, Matteo, additional, Pesce-Rollins, Melissa, additional, Pilia, Maura, additional, Possenti, Andrea, additional, Poutanen, Juri, additional, Puccetti, Simonetta, additional, Ramsey, Brian D., additional, Rankin, John, additional, Ratheesh, Ajay, additional, Roberts, Oliver J., additional, Romani, Roger W., additional, Sgrò, Carmelo, additional, Slane, Patrick, additional, Spandre, Gloria, additional, Swartz, Doug, additional, Tamagawa, Toru, additional, Tavecchio, Fabrizio, additional, Taverna, Roberto, additional, Tawara, Yuzuru, additional, Tennant, Allyn F., additional, Thomas, Nicholas E., additional, Tombesi, Francesco, additional, Trois, Alessio, additional, Tsygankov, Sergey S., additional, Turolla, Roberto, additional, Vink, Jacco, additional, Weisskopf, Martin C., additional, Wu, Kinwah, additional, Xie, Fei, additional, and Zane, Silvia, additional
Published: 2023
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178. Discovery of strongly variable X-ray polarization in the neutron star low-mass X-ray binary transient XTE J1701−462

Author: Cocchi, Massimo, primary, Gnarini, Andrea, additional, Fabiani, Sergio, additional, Ursini, Francesco, additional, Poutanen, Juri, additional, Capitanio, Fiamma, additional, Bobrikova, Anna, additional, Farinelli, Ruben, additional, Paizis, Adamantia, additional, Sidoli, Lara, additional, Veledina, Alexandra, additional, Bianchi, Stefano, additional, Di Marco, Alessandro, additional, Ingram, Adam, additional, Kajava, Jari J. E., additional, La Monaca, Fabio, additional, Matt, Giorgio, additional, Malacaria, Christian, additional, Mikušincová, Romana, additional, Rankin, John, additional, Zane, Silvia, additional, Agudo, Iván, additional, Antonelli, Lucio A., additional, Bachetti, Matteo, additional, Baldini, Luca, additional, Baumgartner, Wayne H., additional, Bellazzini, Ronaldo, additional, Bongiorno, Stephen D., additional, Bonino, Raffaella, additional, Brez, Alessandro, additional, Bucciantini, Niccolò, additional, Castellano, Simone, additional, Cavazzuti, Elisabetta, additional, Chen, Chien-Ting, additional, Ciprini, Stefano, additional, Costa, Enrico, additional, De Rosa, Alessandra, additional, Del Monte, Ettore, additional, Di Gesu, Laura, additional, Di Lalla, Niccolò, additional, Donnarumma, Immacolata, additional, Doroshenko, Victor, additional, Dovčiak, Michal, additional, Ehlert, Steven R., additional, Enoto, Teruaki, additional, Evangelista, Yuri, additional, Ferrazzoli, Riccardo, additional, Garcia, Javier A., additional, Gunji, Shuichi, additional, Hayashida, Kiyoshi, additional, Heyl, Jeremy, additional, Iwakiri, Wataru, additional, Jorstad, Svetlana G., additional, Kaaret, Philip, additional, Karas, Vladimir, additional, Kislat, Fabian, additional, Kitaguchi, Takao, additional, Kolodziejczak, Jeffery J., additional, Krawczynski, Henric, additional, Latronico, Luca, additional, Liodakis, Ioannis, additional, Maldera, Simone, additional, Manfreda, Alberto, additional, Marin, Frédéric, additional, Marinucci, Andrea, additional, Marscher, Alan P., additional, Marshall, Herman L., additional, Massaro, Francesco, additional, Mitsuishi, Ikuyuki, additional, Mizuno, Tsunefumi, additional, Muleri, Fabio, additional, Negro, Michela, additional, Ng, Chi-Yung, additional, O’Dell, Stephen L., additional, Omodei, Nicola, additional, Oppedisano, Chiara, additional, Papitto, Alessandro, additional, Pavlov, George G., additional, Peirson, Abel L., additional, Perri, Matteo, additional, Pesce-Rollins, Melissa, additional, Petrucci, Pierre-Olivier, additional, Pilia, Maura, additional, Possenti, Andrea, additional, Puccetti, Simonetta, additional, Ramsey, Brian D., additional, Ratheesh, Ajay, additional, Roberts, Oliver J., additional, Romani, Roger W., additional, Sgrò, Carmelo, additional, Slane, Patrick, additional, Soffitta, Paolo, additional, Spandre, Gloria, additional, Swartz, Douglas A., additional, Tamagawa, Toru, additional, Tavecchio, Fabrizio, additional, Taverna, Roberto, additional, Tawara, Yuzuru, additional, Tennant, Allyn F., additional, Thomas, Nicholas E., additional, Tombesi, Francesco, additional, Trois, Alessio, additional, Tsygankov, Sergey S., additional, Turolla, Roberto, additional, Vink, Jacco, additional, Weisskopf, Martin C., additional, Wu, Kinwah, additional, and Xie, Fei, additional
Published: 2023
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179. X-ray Polarization Reveals the Precessions of the Neutron Star in Hercules X-1

Author: Heyl, Jeremy, primary, Doroshenko, Victor, additional, González-Caniulef, Denis, additional, Caiazzo, Ilaria, additional, Poutanen, Juri, additional, Mushtukov, Alexander, additional, Tsygankov, Sergey, additional, Kirmizibayrak, Demet, additional, Bachetti, Matteo, additional, Pavlov, George, additional, Agudo, Iván, additional, Antonelli, Lucio, additional, Baldini, Luca, additional, Baumgartner, Wayne, additional, Bellazzini, Ronaldo, additional, Bianchi, Stefano, additional, Bongiorno, Stephen, additional, Bonino, Raffaella, additional, Brez, Alessandro, additional, Bucciantini, Niccolò, additional, Capitanio, Fiamma, additional, Castellano, Simone, additional, Cavazzuti, Elisabetta, additional, Chen, Chien-Ting, additional, Ciprini, Stefano, additional, Costa, Enrico, additional, De Rosa, Alessandra, additional, Monte, Ettore Del, additional, Gesu, Laura Di, additional, Lalla, Niccolo Di, additional, Marco, Alessandro Di, additional, Donnarumma, Immacolata, additional, Dovciak, Michal, additional, Ehlert, Steven, additional, Enoto, Teruaki, additional, Evangelista, Yuri, additional, Fabiani, Sergio, additional, Ferrazzoli, Riccardo, additional, Garcia, Javier, additional, Gunji, Shuichi, additional, Iwakiri, Wataru, additional, Jorstad, Svetlana, additional, Kaaret, Philip, additional, Karas, Vladimir, additional, Kislat, Fabian, additional, Kitaguchi, Takao, additional, Kolodziejczak, Jeffery, additional, Krawczynski, Henric, additional, Monaca, Fabio La, additional, Latronico, Luca, additional, Liodakis, Ioannis, additional, Maldera, Simone, additional, Manfreda, Alberto, additional, Marin, Frederic, additional, Marinucci, Andrea, additional, Marscher, Alan, additional, Marshall, Herman, additional, Massaro, Francesco, additional, Matt, Giorgio, additional, Mitsuishi, Ikuyuki, additional, Mizuno, Tsunefumi, additional, Muleri, Fabio, additional, Negro, Michela, additional, Ng, C.-Y., additional, O'Dell, Stephen, additional, Omodei, Nicola, additional, Oppedisano, Chiara, additional, Papitto, Alessandro, additional, Peirson, Abel, additional, Perri, Matteo, additional, Pesce-Rollins, Melissa, additional, Petrucci, Pierre-Olivier, additional, Pilia, Maura, additional, Possenti, Andrea, additional, Puccetti, Simonetta, additional, Ramsey, Brian, additional, Rankin, John, additional, Ratheesh, Ajay, additional, Roberts, Oliver, additional, Romani, Roger, additional, Sgro, Carmelo, additional, Slane, Patrick, additional, Soffitta, Paolo, additional, Spandre, Gloria, additional, Swartz, Doug, additional, Tamagawa, Toru, additional, Tavecchio, Fabrizio, additional, Taverna, Roberto, additional, Tawara, Yuzuru, additional, Tennant, Allyn, additional, Thomas, Nicholas, additional, Tombesi, Francesco, additional, Trois, Alessio, additional, Turolla, Roberto, additional, Vink, Jacco, additional, Weisskopf, Martin, additional, Wu, Kinwah, additional, Xie, Fei, additional, and Zane, Silvia, additional
Published: 2023
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180. X-Ray Polarization of BL Lacertae in Outburst

Author: Peirson, Abel L., primary, Negro, Michela, additional, Liodakis, Ioannis, additional, Middei, Riccardo, additional, Kim, Dawoon E., additional, Marscher, Alan P., additional, Marshall, Herman L., additional, Pacciani, Luigi, additional, Romani, Roger W., additional, Wu, Kinwah, additional, Di Marco, Alessandro, additional, Di Lalla, Niccoló, additional, Omodei, Nicola, additional, Jorstad, Svetlana G., additional, Agudo, Iván, additional, Kouch, Pouya M., additional, Lindfors, Elina, additional, Aceituno, Francisco José, additional, Bernardos, Maria I., additional, Bonnoli, Giacomo, additional, Casanova, Víctor, additional, García-Comas, Maya, additional, Agís-González, Beatriz, additional, Husillos, César, additional, Marchini, Alessandro, additional, Sota, Alfredo, additional, Casadio, Carolina, additional, Escudero, Juan, additional, Myserlis, Ioannis, additional, Sievers, Albrecht, additional, Gurwell, Mark, additional, Rao, Ramprasad, additional, Imazawa, Ryo, additional, Sasada, Mahito, additional, Fukazawa, Yasushi, additional, Kawabata, Koji S., additional, Uemura, Makoto, additional, Mizuno, Tsunefumi, additional, Nakaoka, Tatsuya, additional, Akitaya, Hiroshi, additional, Cheong, Yeon, additional, Jeong, Hyeon-Woo, additional, Kang, Sincheol, additional, Kim, Sang-Hyun, additional, Lee, Sang-Sung, additional, Angelakis, Emmanouil, additional, Kraus, Alexander, additional, Cibrario, Nicoló, additional, Donnarumma, Immacolata, additional, Poutanen, Juri, additional, Tavecchio, Fabrizio, additional, Antonelli, Lucio A., additional, Bachetti, Matteo, additional, Baldini, Luca, additional, Baumgartner, Wayne H., additional, Bellazzini, Ronaldo, additional, Bianchi, Stefano, additional, Bongiorno, Stephen D., additional, Bonino, Raffaella, additional, Brez, Alessandro, additional, Bucciantini, Niccoló, additional, Capitanio, Fiamma, additional, Castellano, Simone, additional, Cavazzuti, Elisabetta, additional, Chen, Chien-Ting, additional, Ciprini, Stefano, additional, Costa, Enrico, additional, De Rosa, Alessandra, additional, Del Monte, Ettore, additional, Di Gesu, Laura, additional, Doroshenko, Victor, additional, Dovčiak, Michal, additional, Ehlert, Steven R., additional, Enoto, Teruaki, additional, Evangelista, Yuri, additional, Fabiani, Sergio, additional, Ferrazzoli, Riccardo, additional, Garcia, Javier A., additional, Gunji, Shuichi, additional, Hayashida, Kiyoshi, additional, Heyl, Jeremy, additional, Iwakiri, Wataru, additional, Kaaret, Philip, additional, Karas, Vladimir, additional, Kitaguchi, Takao, additional, Kolodziejczak, Jeffery J., additional, Krawczynski, Henric, additional, La Monaca, Fabio, additional, Latronico, Luca, additional, Madejski, Grzegorz, additional, Maldera, Simone, additional, Manfreda, Alberto, additional, Marin, Frédéric, additional, Marinucci, Andrea, additional, Massaro, Francesco, additional, Matt, Giorgio, additional, Mitsuishi, Ikuyuki, additional, Muleri, Fabio, additional, Ng, C.-Y., additional, O’Dell, Stephen L., additional, Oppedisano, Chiara, additional, Papitto, Alessandro, additional, Pavlov, George G., additional, Perri, Matteo, additional, Pesce-Rollins, Melissa, additional, Petrucci, Pierre-Olivier, additional, Pilia, Maura, additional, Possenti, Andrea, additional, Puccetti, Simonetta, additional, Ramsey, Brian D., additional, Rankin, John, additional, Ratheesh, Ajay, additional, Roberts, Oliver J., additional, Sgró, Carmelo, additional, Slane, Patrick, additional, Soffitta, Paolo, additional, Spandre, Gloria, additional, Swartz, Douglas A., additional, Tamagawa, Toru, additional, Taverna, Roberto, additional, Tawara, Yuzuru, additional, Tennant, Allyn F., additional, Thomas, Nicholas E., additional, Tombesi, Francesco, additional, Trois, Alessio, additional, Tsygankov, Sergey, additional, Turolla, Roberto, additional, Vink, Jacco, additional, Weisskopf, Martin C., additional, Xie, Fei, additional, and Zane, Silvia, additional
Published: 2023
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181. IXPE Observations of the Quintessential Wind-accreting X-Ray Pulsar Vela X-1

Author: Forsblom, Sofia V., primary, Poutanen, Juri, additional, Tsygankov, Sergey S., additional, Bachetti, Matteo, additional, Marco, Alessandro Di, additional, Doroshenko, Victor, additional, Heyl, Jeremy, additional, Monaca, Fabio La, additional, Malacaria, Christian, additional, Marshall, Herman L., additional, Muleri, Fabio, additional, Mushtukov, Alexander A., additional, Pilia, Maura, additional, Rogantini, Daniele, additional, Suleimanov, Valery F., additional, Taverna, Roberto, additional, Xie, Fei, additional, Agudo, Iván, additional, Antonelli, Lucio A., additional, Baldini, Luca, additional, Baumgartner, Wayne H., additional, Bellazzini, Ronaldo, additional, Bianchi, Stefano, additional, Bongiorno, Stephen D., additional, Bonino, Raffaella, additional, Brez, Alessandro, additional, Bucciantini, Niccolò, additional, Capitanio, Fiamma, additional, Castellano, Simone, additional, Cavazzuti, Elisabetta, additional, Chen, Chien-Ting, additional, Ciprini, Stefano, additional, Costa, Enrico, additional, De Rosa, Alessandra, additional, Del Monte, Ettore, additional, Di Gesu, Laura, additional, Di Lalla, Niccolò, additional, Donnarumma, Immacolata, additional, Dovčiak, Michal, additional, Ehlert, Steven R., additional, Enoto, Teruaki, additional, Evangelista, Yuri, additional, Fabiani, Sergio, additional, Ferrazzoli, Riccardo, additional, Garcia, Javier A., additional, Gunji, Shuichi, additional, Hayashida, Kiyoshi, additional, Iwakiri, Wataru, additional, Jorstad, Svetlana G., additional, Kaaret, Philip, additional, Karas, Vladimir, additional, Kitaguchi, Takao, additional, Kolodziejczak, Jeffery J., additional, Krawczynski, Henric, additional, Latronico, Luca, additional, Liodakis, Ioannis, additional, Maldera, Simone, additional, Manfreda, Alberto, additional, Marin, Frédéric, additional, Marinucci, Andrea, additional, Marscher, Alan P., additional, Matt, Giorgio, additional, Mitsuishi, Ikuyuki, additional, Mizuno, Tsunefumi, additional, Negro, Michela, additional, Ng, Chi-Yung, additional, O’Dell, Stephen L., additional, Omodei, Nicola, additional, Oppedisano, Chiara, additional, Papitto, Alessandro, additional, Pavlov, George G., additional, Peirson, Abel L., additional, Perri, Matteo, additional, Pesce-Rollins, Melissa, additional, Petrucci, Pierre-Olivier, additional, Possenti, Andrea, additional, Puccetti, Simonetta, additional, Ramsey, Brian D., additional, Rankin, John, additional, Ratheesh, Ajay, additional, Roberts, Oliver J., additional, Romani, Roger W., additional, Sgrò, Carmelo, additional, Slane, Patrick, additional, Soffitta, Paolo, additional, Spandre, Gloria, additional, Sunyaev, Rashid A., additional, Swartz, Douglas A., additional, Tamagawa, Toru, additional, Tavecchio, Fabrizio, additional, Tawara, Yuzuru, additional, Tennant, Allyn F., additional, Thomas, Nicholas E., additional, Tombesi, Francesco, additional, Trois, Alessio, additional, Turolla, Roberto, additional, Vink, Jacco, additional, Weisskopf, Martin C., additional, Wu, Kinwah, additional, and Zane, Silvia, additional
Published: 2023
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182. Astronomical puzzle Cyg X-3 is a hidden Galactic ultraluminous X-ray source

Author: Veledina, Alexandra, Muleri, Fabio, Poutanen, Juri, Podgorný, Jakub, Dovčiak, Michal, Capitanio, Fiamma, Churazov, Eugene, De Rosa, Alessandra, Di Marco, Alessandro, Forsblom, Sofia, Kaaret, Philip, Krawczynski, Henric, La Monaca, Fabio, Loktev, Vladislav, Lutovinov, Alexander A., Molkov, Sergey V., Mushtukov, Alexander A., Ratheesh, Ajay, Cavero, Nicole Rodriguez, Steiner, James F., Sunyaev, Rashid A., Tsygankov, Sergey S., Zdziarski, Andrzej A., Bianchi, Stefano, Bright, Joe S., Bursov, Nikolaj, Costa, Enrico, Egron, Elise, Garcia, Javier A., Green, David A., Gurwell, Mark, Ingram, Adam, Kajava, Jari J. E., Kale, Ruta, Kraus, Alex, Malyshev, Denys, Marin, Frédéric, Matt, Giorgio, McCollough, Michael, Mereminskiy, Ilia A., Nizhelsky, Nikolaj, Piano, Giovanni, Pilia, Maura, Pittori, Carlotta, Rao, Ramprasad, Righini, Simona, Soffitta, Paolo, Shevchenko, Anton, Svoboda, Jiri, Tombesi, Francesco, Trushkin, Sergei, Tsybulev, Peter, Ursini, Francesco, Weisskopf, Martin C., Wu, Kinwah, Agudo, Iván, Antonelli, Lucio A., Bachetti, Matteo, Baldini, Luca, Baumgartner, Wayne H., Bellazzini, Ronaldo, Bongiorno, Stephen D., Bonino, Raffaella, Brez, Alessandro, Bucciantini, Niccolò, Castellano, Simone, Cavazzuti, Elisabetta, Chen, Chien-Ting, Ciprini, Stefano, Del Monte, Ettore, Di Gesu, Laura, Di Lalla, Niccolò, Donnarumma, Immacolata, Doroshenko, Victor, Ehlert, Steven R., Enoto, Teruaki, Evangelista, Yuri, Fabiani, Sergio, Ferrazzoli, Riccardo, Gunji, Shuichi, Hayashida, Kiyoshi, Heyl, Jeremy, Iwakiri, Wataru, Jorstad, Svetlana G., Karas, Vladimir, Kislat, Fabian, Kitaguchi, Takao, Kolodziejczak, Jeffery J., Latronico, Luca, Liodakis, Ioannis, Maldera, Simone, Manfreda, Alberto, Marinucci, Andrea, Marscher, Alan P., Marshall, Herman L., Massaro, Francesco, Mitsuishi, Ikuyuki, Mizuno, Tsunefumi, Negro, Michela, Ng, Chi-Yung, O'Dell, Stephen L., Omodei, Nicola, Oppedisano, Chiara, Papitto, Alessandro, Pavlov, George G., Peirson, Abel L., Perri, Matteo, Pesce-Rollins, Melissa, Petrucci, Pierre-Olivier, Possenti, Andrea, Puccetti, Simonetta, Ramsey, Brian D., Rankin, John, Roberts, Oliver, Romani, Roger W., Sgrò, Carmelo, Slane, Patrick, Spandre, Gloria, Swartz, Doug, Tamagawa, Toru, Tavecchio, Fabrizio, Taverna, Roberto, Tawara, Yuzuru, Tennant, Allyn F., Thomas, Nicholas E., Trois, Alessio, Turolla, Roberto, Vink, Jacco, Xie, Fei, Zane, Silvia, Veledina, Alexandra, Muleri, Fabio, Poutanen, Juri, Podgorný, Jakub, Dovčiak, Michal, Capitanio, Fiamma, Churazov, Eugene, De Rosa, Alessandra, Di Marco, Alessandro, Forsblom, Sofia, Kaaret, Philip, Krawczynski, Henric, La Monaca, Fabio, Loktev, Vladislav, Lutovinov, Alexander A., Molkov, Sergey V., Mushtukov, Alexander A., Ratheesh, Ajay, Cavero, Nicole Rodriguez, Steiner, James F., Sunyaev, Rashid A., Tsygankov, Sergey S., Zdziarski, Andrzej A., Bianchi, Stefano, Bright, Joe S., Bursov, Nikolaj, Costa, Enrico, Egron, Elise, Garcia, Javier A., Green, David A., Gurwell, Mark, Ingram, Adam, Kajava, Jari J. E., Kale, Ruta, Kraus, Alex, Malyshev, Denys, Marin, Frédéric, Matt, Giorgio, McCollough, Michael, Mereminskiy, Ilia A., Nizhelsky, Nikolaj, Piano, Giovanni, Pilia, Maura, Pittori, Carlotta, Rao, Ramprasad, Righini, Simona, Soffitta, Paolo, Shevchenko, Anton, Svoboda, Jiri, Tombesi, Francesco, Trushkin, Sergei, Tsybulev, Peter, Ursini, Francesco, Weisskopf, Martin C., Wu, Kinwah, Agudo, Iván, Antonelli, Lucio A., Bachetti, Matteo, Baldini, Luca, Baumgartner, Wayne H., Bellazzini, Ronaldo, Bongiorno, Stephen D., Bonino, Raffaella, Brez, Alessandro, Bucciantini, Niccolò, Castellano, Simone, Cavazzuti, Elisabetta, Chen, Chien-Ting, Ciprini, Stefano, Del Monte, Ettore, Di Gesu, Laura, Di Lalla, Niccolò, Donnarumma, Immacolata, Doroshenko, Victor, Ehlert, Steven R., Enoto, Teruaki, Evangelista, Yuri, Fabiani, Sergio, Ferrazzoli, Riccardo, Gunji, Shuichi, Hayashida, Kiyoshi, Heyl, Jeremy, Iwakiri, Wataru, Jorstad, Svetlana G., Karas, Vladimir, Kislat, Fabian, Kitaguchi, Takao, Kolodziejczak, Jeffery J., Latronico, Luca, Liodakis, Ioannis, Maldera, Simone, Manfreda, Alberto, Marinucci, Andrea, Marscher, Alan P., Marshall, Herman L., Massaro, Francesco, Mitsuishi, Ikuyuki, Mizuno, Tsunefumi, Negro, Michela, Ng, Chi-Yung, O'Dell, Stephen L., Omodei, Nicola, Oppedisano, Chiara, Papitto, Alessandro, Pavlov, George G., Peirson, Abel L., Perri, Matteo, Pesce-Rollins, Melissa, Petrucci, Pierre-Olivier, Possenti, Andrea, Puccetti, Simonetta, Ramsey, Brian D., Rankin, John, Roberts, Oliver, Romani, Roger W., Sgrò, Carmelo, Slane, Patrick, Spandre, Gloria, Swartz, Doug, Tamagawa, Toru, Tavecchio, Fabrizio, Taverna, Roberto, Tawara, Yuzuru, Tennant, Allyn F., Thomas, Nicholas E., Trois, Alessio, Turolla, Roberto, Vink, Jacco, Xie, Fei, and Zane, Silvia
Abstract: How black holes consume and eject matter has been the subject of intense studies for more than 60 years. The luminosity of these systems are often compared to the Eddington limit, the border at which the spherical accretion is inhibited by the radiation pressure of photons it produces. The discovery of ultraluminous X-ray sources (ULXs) showed that accretion can proceed even when the apparent luminosity exceeds the Eddington limit (Kaaret et al. 2017). High apparent luminosity might be produced by the beaming of the incident radiation by a thick collimated outflow or by a truly super-Eddington accretion flow. However, possibilities to study these outflows in detail are limited, as ULXs are typically found in distant galaxies. Using the Imaging X-ray Polarimetry Explorer (IXPE, Weisskopf et al. 2022), we made the first measurement of X-ray polarization in Galactic X-ray binary Cyg X-3. The detection of high, $\approx$25\%, nearly energy-independent linear polarization, orthogonal to the direction of the radio ejections, unambiguously indicates the primary source is obscured and the observer on Earth only sees reflected and scattered light. Modelling shows there is an optically thick envelope with a narrow funnel around the primary X-ray source in the system. We derive an upper limit on the opening angle of the funnel that implies a lower limit on the beamed luminosity exceeding the Eddington value. We show that Cyg X-3 is viewed as a ULX to an extragalactic observer located along the axis of the funnel. Our findings reveal this unique persistent source as an ideal laboratory for the study of the inner workings of ULX central engines., Comment: 52 pages, 18 figures, 4 tables
Published: 2023

183. X-ray Polarization of the Eastern Lobe of SS 433

Author: Kaaret, Philip, Ferrazzoli, Riccardo, Silvestri, Stefano, Negro, Michela, Manfreda, Alberto, Wu, Kinwah, Costa, Enrico, Soffitta, Paolo, Safi-Harb, Samar, Poutanen, Juri, Veledina, Alexandra, Di Marco, Alessandro, Slane, Patrick, Bianchi, Stefano, Ingram, Adam, Romani, Roger W., Cibrario, Nicolo, Mac Intyre, Brydyn, Mikusincova, Romana, Ratheesh, Ajay, Steiner, James F., Svoboda, Jiri, Tugliani, Stefano, Agudo, Ivan, Antonelli, Lucio A., Bachetti, Matteo, Baldini, Luca, Baumgartner, Wayne H., Bellazzini, Ronaldo, Bongiorno, Stephen D., Bonino, Raffaella, Brez, Alessandro, Bucciantini, Niccolo, Capitanio, Fiamma, Castellano, Simone, Cavazzuti, Elisabetta, Chen, Chien-Ting, Ciprini, Stefano, De Rosa, Alessandra, Del Monte, Ettore, Di Gesu, Laura, Di Lalla, Niccolo, Donnarumma, Immacolata, Doroshenko, Victor, Dovciak, Michal, Ehlert, Steven R., Enoto, Teruaki, Evangelista, Yuri, Fabiani, Sergio, Garcia, Javier A., Gunji, Shuichi, Hayashida, Kiyoshi, Heyl, Jeremy, Iwakiri, Wataru, Jorstad, Svetlana G., Karas, Vladimir, Kislat, Fabian, Kitaguchi, Takao, Kolodziejczak, Jeffery J., Krawczynski, Henric, La Monaca, Fabio, Latronico, Luca, Liodakis, Ioannis, Maldera, Simone, Marin, Frederic, Marinucci, Andrea, Marscher, Alan P., Marshall, Herman L., Massaro, Francesco, Matt, Giorgio, Mitsuishi, Ikuyuki, Mizuno, Tsunefumi, Muleri, Fabio, Ng, Chi-Yung, O'Dell, Stephen L., Omodei, Nicola, Oppedisano, Chiara, Papitto, Alessandro, Pavlov, George G., Peirson, Abel L., Perri, Matteo, Pesce-Rollins, Melissa, Petrucci, Pierre-Olivier, Pilia, Maura, Possenti, Andrea, Puccetti, Simonetta, Ramsey, Brian D., Rankin, John, Roberts, Oliver J., Sgro, Carmelo, Spandre, Gloria, Swartz, Douglas A., Tamagawa, Toru, Tavecchio, Fabrizio, Taverna, Roberto, Tawara, Yuzuru, Tennant, Allyn F., Thomas, Nicholas E., Tombesi, Francesco, Trois, Alessio, Tsygankov, Sergey S., Turolla, Roberto, Vink, Jacco, Weisskopf, Martin C., Xie, Fei, Zane, Silvia, Kaaret, Philip, Ferrazzoli, Riccardo, Silvestri, Stefano, Negro, Michela, Manfreda, Alberto, Wu, Kinwah, Costa, Enrico, Soffitta, Paolo, Safi-Harb, Samar, Poutanen, Juri, Veledina, Alexandra, Di Marco, Alessandro, Slane, Patrick, Bianchi, Stefano, Ingram, Adam, Romani, Roger W., Cibrario, Nicolo, Mac Intyre, Brydyn, Mikusincova, Romana, Ratheesh, Ajay, Steiner, James F., Svoboda, Jiri, Tugliani, Stefano, Agudo, Ivan, Antonelli, Lucio A., Bachetti, Matteo, Baldini, Luca, Baumgartner, Wayne H., Bellazzini, Ronaldo, Bongiorno, Stephen D., Bonino, Raffaella, Brez, Alessandro, Bucciantini, Niccolo, Capitanio, Fiamma, Castellano, Simone, Cavazzuti, Elisabetta, Chen, Chien-Ting, Ciprini, Stefano, De Rosa, Alessandra, Del Monte, Ettore, Di Gesu, Laura, Di Lalla, Niccolo, Donnarumma, Immacolata, Doroshenko, Victor, Dovciak, Michal, Ehlert, Steven R., Enoto, Teruaki, Evangelista, Yuri, Fabiani, Sergio, Garcia, Javier A., Gunji, Shuichi, Hayashida, Kiyoshi, Heyl, Jeremy, Iwakiri, Wataru, Jorstad, Svetlana G., Karas, Vladimir, Kislat, Fabian, Kitaguchi, Takao, Kolodziejczak, Jeffery J., Krawczynski, Henric, La Monaca, Fabio, Latronico, Luca, Liodakis, Ioannis, Maldera, Simone, Marin, Frederic, Marinucci, Andrea, Marscher, Alan P., Marshall, Herman L., Massaro, Francesco, Matt, Giorgio, Mitsuishi, Ikuyuki, Mizuno, Tsunefumi, Muleri, Fabio, Ng, Chi-Yung, O'Dell, Stephen L., Omodei, Nicola, Oppedisano, Chiara, Papitto, Alessandro, Pavlov, George G., Peirson, Abel L., Perri, Matteo, Pesce-Rollins, Melissa, Petrucci, Pierre-Olivier, Pilia, Maura, Possenti, Andrea, Puccetti, Simonetta, Ramsey, Brian D., Rankin, John, Roberts, Oliver J., Sgro, Carmelo, Spandre, Gloria, Swartz, Douglas A., Tamagawa, Toru, Tavecchio, Fabrizio, Taverna, Roberto, Tawara, Yuzuru, Tennant, Allyn F., Thomas, Nicholas E., Tombesi, Francesco, Trois, Alessio, Tsygankov, Sergey S., Turolla, Roberto, Vink, Jacco, Weisskopf, Martin C., Xie, Fei, and Zane, Silvia
Abstract: How astrophysical systems translate the kinetic energy of bulk motion into the acceleration of particles to very high energies is a pressing question. SS 433 is a microquasar that emits TeV gamma-rays indicating the presence of high-energy particles. A region of hard X-ray emission in the eastern lobe of SS 433 was recently identified as an acceleration site. We observed this region with the Imaging X-ray Polarimetry Explorer and measured a polarization degree in the range 38% to 77%. The high polarization degree indicates the magnetic field has a well ordered component if the X-rays are due to synchrotron emission. The polarization angle is in the range -12 to +10 degrees (east of north) which indicates that the magnetic field is parallel to the jet. Magnetic fields parallel to the bulk flow have also been found in supernova remnants and the jets of powerful radio galaxies. This may be caused by interaction of the flow with the ambient medium., Comment: 8 pages, accepted in the Astrophysical Journal Letters
Published: 2023

184. Study of a detector system for high-energy astrophysical objects using a combination of plastic scintillator and MPPC

Author: Nakaoka, Tatsuya, Mizuno, Tsunefumi, Takahashi, Hiromitsu, and Fukazawa, Yasushi
Published: 2016
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185. Magnetic-field structure of the Crab pulsar wind nebula revealed with IXPE.

Author: Mizuno, Tsunefumi, Ohno, Hiroshi, Watanabe, Eri, Bucciantini, Niccolò, Gunji, Shuichi, Shibata, Sinpei, Slane, Patrick, and Weisskopf, Martin C
Subjects: *BREWSTER'S angle, *MAGNETIC fields, *CRABS, *X-ray imaging, *NEBULAE, *SPATIAL variation, *PULSARS
Abstract: We report a detailed study of the magnetic-field structure of the Crab pulsar wind nebula, using the X-ray polarization data in 2–8 keV obtained with the Imaging X-ray Polarimetry Explorer. Contamination of the data for the nebula region by the pulsar emission was removed through application of a stringent pulsation phase cut, extracting a phase range of 0.7–1.0 only. We found that the electric-field vector polarization angle (PA) was about 130○ from north to east with a polarization degree (PD) of about 25% at the pulsar position, indicating that the direction of the toroidal magnetic field is perpendicular to the pulsar spin axis in the region close to the termination shock. The PA gradually deviated from the angle as an increasing function of the distance from the pulsar. There was a region of low PD to the west of the X-ray torus. Although such a region is expected to be located at the torus edge, where geometrical depolarization due to a steep spatial variation of the PA is expected, the observed low-PD region positionally deviated from the edge. We found that the region of low PD positionally coincided with a dense filament seen in the optical band, and conjecture that the low-PD region may be produced through deflection of the pulsar wind. By comparing the values of the PD at the pulsar position between the data and a model, in which toroidal and turbulent magnetic fields were considered, we estimated the fractional energy of the turbulent magnetic field to be about 2 |$/$| 3 of the total. We also evaluated the potential polarization of the northern jet in the nebula and derived the PD and PA to be about 30% and 120○, respectively. [ABSTRACT FROM AUTHOR]
Published: 2023
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186. The IXPE View of GRB 221009A

Author: Negro, Michela, primary, Di Lalla, Niccolò, additional, Omodei, Nicola, additional, Veres, Péter, additional, Silvestri, Stefano, additional, Manfreda, Alberto, additional, Burns, Eric, additional, Baldini, Luca, additional, Costa, Enrico, additional, Ehlert, Steven R., additional, Kennea, Jamie A., additional, Liodakis, Ioannis, additional, Marshall, Herman L., additional, Mereghetti, Sandro, additional, Middei, Riccardo, additional, Muleri, Fabio, additional, O’Dell, Stephen L., additional, Roberts, Oliver J., additional, Romani, Roger W., additional, Sgró, Carmelo, additional, Terashima, Masanobu, additional, Tiengo, Andrea, additional, Viscolo, Domenico, additional, Di Marco, Alessandro, additional, La Monaca, Fabio, additional, Latronico, Luca, additional, Matt, Giorgio, additional, Perri, Matteo, additional, Puccetti, Simonetta, additional, Poutanen, Juri, additional, Ratheesh, Ajay, additional, Rogantini, Daniele, additional, Slane, Patrick, additional, Soffitta, Paolo, additional, Lindfors, Elina, additional, Nilsson, Kari, additional, Kasikov, Anni, additional, Marscher, Alan P., additional, Tavecchio, Fabrizio, additional, Cibrario, Nicoló, additional, Gunji, Shuichi, additional, Malacaria, Christian, additional, Paggi, Alessandro, additional, Yang, Yi-Jung, additional, Zane, Silvia, additional, Weisskopf, Martin C., additional, Agudo, Iván, additional, Antonelli, Lucio A., additional, Bachetti, Matteo, additional, Baumgartner, Wayne H., additional, Bellazzini, Ronaldo, additional, Bianchi, Stefano, additional, Bongiorno, Stephen D., additional, Bonino, Raffaella, additional, Brez, Alessandro, additional, Bucciantini, Niccolò, additional, Capitanio, Fiamma, additional, Castellano, Simone, additional, Cavazzuti, Elisabetta, additional, Chen, Chien-Ting, additional, Ciprini, Stefano, additional, De Rosa, Alessandra, additional, Del Monte, Ettore, additional, Di Gesu, Laura, additional, Donnarumma, Immacolata, additional, Doroshenko, Victor, additional, Dovc̆iak, Michal, additional, Enoto, Teruaki, additional, Evangelista, Yuri, additional, Fabiani, Sergio, additional, Ferrazzoli, Riccardo, additional, Garcia, Javier A., additional, Hayashida, Kiyoshi, additional, Heyl, Jeremy, additional, Iwakiri, Wataru, additional, Jorstad, Svetlana G., additional, Kaaret, Philip, additional, Karas, Vladimir, additional, Kislat, Fabian, additional, Kitaguchi, Takao, additional, Kolodziejczak, Jeffery J., additional, Krawczynski, Henric, additional, Maldera, Simone, additional, Marin, Frédéric, additional, Marinucci, Andrea, additional, Mitsuishi, Ikuyuki, additional, Mizuno, Tsunefumi, additional, Ng, C.-Y., additional, Oppedisano, Chiara, additional, Papitto, Alessandro, additional, Pavlov, George G., additional, Peirson, Abel L., additional, Pesce-Rollins, Melissa, additional, Petrucci, Pierre-Olivier, additional, Pilia, Maura, additional, Possenti, Andrea, additional, Ramsey, Brian D., additional, Rankin, John, additional, Spandre, Gloria, additional, Swartz, Douglas A., additional, Tamagawa, Toru, additional, Taverna, Roberto, additional, Tawara, Yuzuru, additional, Tennant, Allyn F., additional, Thomas, Nicholas E., additional, Tombesi, Francesco, additional, Trois, Alessio, additional, Tsygankov, Sergey S., additional, Turolla, Roberto, additional, Vink, Jacco, additional, Wu, Kinwah, additional, and Xie, Fei, additional
Published: 2023
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187. X-Ray Polarimetry Reveals the Magnetic-field Topology on Sub-parsec Scales in Tycho’s Supernova Remnant

Author: Ferrazzoli, Riccardo, primary, Slane, Patrick, additional, Prokhorov, Dmitry, additional, Zhou, Ping, additional, Vink, Jacco, additional, Bucciantini, Niccolò, additional, Costa, Enrico, additional, Di Lalla, Niccolò, additional, Di Marco, Alessandro, additional, Soffitta, Paolo, additional, Weisskopf, Martin C., additional, Asakura, Kazunori, additional, Baldini, Luca, additional, Heyl, Jeremy, additional, Kaaret, Philip E., additional, Marin, Frédéric, additional, Mizuno, Tsunefumi, additional, Ng, C.-Y., additional, Pesce-Rollins, Melissa, additional, Silvestri, Stefano, additional, Sgrò, Carmelo, additional, Swartz, Douglas A., additional, Tamagawa, Toru, additional, Yang, Yi-Jung, additional, Agudo, Iván, additional, Antonelli, Lucio A., additional, Bachetti, Matteo, additional, Baumgartner, Wayne H., additional, Bellazzini, Ronaldo, additional, Bianchi, Stefano, additional, Bongiorno, Stephen D., additional, Bonino, Raffaella, additional, Brez, Alessandro, additional, Capitanio, Fiamma, additional, Castellano, Simone, additional, Cavazzuti, Elisabetta, additional, Chen, Chien-Ting, additional, Ciprini, Stefano, additional, De Rosa, Alessandra, additional, Del Monte, Ettore, additional, Di Gesu, Laura, additional, Donnarumma, Immacolata, additional, Doroshenko, Victor, additional, Dovčiak, Michal, additional, Ehlert, Steven R., additional, Enoto, Teruaki, additional, Evangelista, Yuri, additional, Fabiani, Sergio, additional, Garcia, Javier A., additional, Gunji, Shuichi, additional, Hayashida, Kiyoshi, additional, Iwakiri, Wataru, additional, Jorstad, Svetlana G., additional, Kislat, Fabian, additional, Karas, Vladimir, additional, Kitaguchi, Takao, additional, Kolodziejczak, Jeffery J., additional, Krawczynski, Henric, additional, La Monaca, Fabio, additional, Latronico, Luca, additional, Liodakis, Ioannis, additional, Maldera, Simone, additional, Manfreda, Alberto, additional, Marinucci, Andrea, additional, Marscher, Alan P., additional, Marshall, Herman L., additional, Matt, Giorgio, additional, Mitsuishi, Ikuyuki, additional, Muleri, Fabio, additional, Negro, Michela, additional, O’Dell, Stephen L., additional, Omodei, Nicola, additional, Oppedisano, Chiara, additional, Papitto, Alessandro, additional, Pavlov, George G., additional, Peirson, Abel L., additional, Perri, Matteo, additional, Petrucci, Pierre-Olivier, additional, Pilia, Maura, additional, Possenti, Andrea, additional, Poutanen, Juri, additional, Puccetti, Simonetta, additional, Ramsey, Brian D., additional, Rankin, John, additional, Ratheesh, Ajay, additional, Roberts, Oliver, additional, Romani, Roger W., additional, Spandre, Gloria, additional, Tavecchio, Fabrizio, additional, Taverna, Roberto, additional, Tawara, Yuzuru, additional, Tennant, Allyn F., additional, Thomas, Nicholas E., additional, Tombesi, Francesco, additional, Trois, Alessio, additional, Tsygankov, Sergey S., additional, Turolla, Roberto, additional, Wu, Kinwah, additional, Xie, Fei, additional, and Zane, Silvia, additional
Published: 2023
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188. Polarization Properties of the Weakly Magnetized Neutron Star X-Ray Binary GS 1826–238 in the High Soft State

Author: Capitanio, Fiamma, primary, Fabiani, Sergio, additional, Gnarini, Andrea, additional, Ursini, Francesco, additional, Ferrigno, Carlo, additional, Matt, Giorgio, additional, Poutanen, Juri, additional, Cocchi, Massimo, additional, Mikusincova, Romana, additional, Farinelli, Ruben, additional, Bianchi, Stefano, additional, Kajava, Jari J. E., additional, Muleri, Fabio, additional, Sanchez-Fernandez, Celia, additional, Soffitta, Paolo, additional, Wu, Kinwah, additional, Agudo, Iván, additional, Antonelli, Lucio A., additional, Bachetti, Matteo, additional, Baldini, Luca, additional, Baumgartner, Wayne H., additional, Bellazzini, Ronaldo, additional, Bongiorno, Stephen D., additional, Bonino, Raffaella, additional, Brez, Alessandro, additional, Bucciantini, Niccolò, additional, Castellano, Simone, additional, Cavazzuti, Elisabetta, additional, Ciprini, Stefano, additional, Costa, Enrico, additional, De Rosa, Alessandra, additional, Del Monte, Ettore, additional, Di Gesu, Laura, additional, Di Lalla, Niccolò, additional, Di Marco, Alessandro, additional, Donnarumma, Immacolata, additional, Doroshenko, Victor, additional, Dovčiak, Michal, additional, Ehlert, Steven R., additional, Enoto, Teruaki, additional, Evangelista, Yuri, additional, Ferrazzoli, Riccardo, additional, Garcia, Javier A., additional, Gunji, Shuichi, additional, Hayashida, Kiyoshi, additional, Heyl, Jeremy, additional, Iwakiri, Wataru, additional, Jorstad, Svetlana G., additional, Karas, Vladimir, additional, Kitaguchi, Takao, additional, Kolodziejczak, Jeffery J., additional, Krawczynski, Henric, additional, La Monaca, Fabio, additional, Latronico, Luca, additional, Liodakis, Ioannis, additional, Maldera, Simone, additional, Manfreda, Alberto, additional, Marin, Frédéric, additional, Marinucci, Andrea, additional, Marscher, Alan P., additional, Marshall, Herman L., additional, Mitsuishi, Ikuyuki, additional, Mizuno, Tsunefumi, additional, Ng, C.-Y., additional, O’Dell, Stephen L., additional, Omodei, Nicola, additional, Oppedisano, Chiara, additional, Papitto, Alessandro, additional, Pavlov, George G., additional, Peirson, Abel L., additional, Perri, Matteo, additional, Pesce-Rollins, Melissa, additional, Petrucci, Pierre-Olivier, additional, Pilia, Maura, additional, Possenti, Andrea, additional, Puccetti, Simonetta, additional, Ramsey, Brian D., additional, Rankin, John, additional, Ratheesh, Ajay, additional, Romani, Roger W., additional, Sgrò, Carmelo, additional, Slane, Patrick, additional, Spandre, Gloria, additional, Tamagawa, Toru, additional, Tavecchio, Fabrizio, additional, Taverna, Roberto, additional, Tawara, Yuzuru, additional, Tennant, Allyn F., additional, Thomas, Nicholas E., additional, Tombesi, Francesco, additional, Trois, Alessio, additional, Tsygankov, Sergey S., additional, Turolla, Roberto, additional, Vink, Jacco, additional, Weisskopf, Martin C., additional, Xie, Fei, additional, and Zane, Silvia, additional
Published: 2023
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189. A Strong X-Ray Polarization Signal from the Magnetar 1RXS J170849.0-400910

Author: Zane, Silvia, primary, Taverna, Roberto, additional, González–Caniulef, Denis, additional, Muleri, Fabio, additional, Turolla, Roberto, additional, Heyl, Jeremy, additional, Uchiyama, Keisuke, additional, Ng, Mason, additional, Tamagawa, Toru, additional, Caiazzo, Ilaria, additional, Di Lalla, Niccolò, additional, Marshall, Herman L., additional, Bachetti, Matteo, additional, La Monaca, Fabio, additional, Gau, Ephraim, additional, Di Marco, Alessandro, additional, Baldini, Luca, additional, Negro, Michela, additional, Omodei, Nicola, additional, Rankin, John, additional, Matt, Giorgio, additional, Pavlov, George G., additional, Kitaguchi, Takao, additional, Krawczynski, Henric, additional, Kislat, Fabian, additional, Kelly, Ruth, additional, Agudo, Iván, additional, Antonelli, Lucio A., additional, Baumgartner, Wayne H., additional, Bellazzini, Ronaldo, additional, Bianchi, Stefano, additional, Bongiorno, Stephen D., additional, Bonino, Raffaella, additional, Brez, Alessandro, additional, Bucciantini, Niccolò, additional, Capitanio, Fiamma, additional, Castellano, Simone, additional, Cavazzuti, Elisabetta, additional, Chen, Chieng-Ting, additional, Ciprini, Stefano, additional, Costa, Enrico, additional, De Rosa, Alessandra, additional, Del Monte, Ettore, additional, Di Gesu, Laura, additional, Donnarumma, Immacolata, additional, Doroshenko, Victor, additional, Dovčiak, Michal, additional, Ehlert, Steven R., additional, Enoto, Teruaki, additional, Evangelista, Yuri, additional, Fabiani, Sergio, additional, Ferrazzoli, Riccardo, additional, Garcia, Javier A., additional, Gunji, Shuichi, additional, Hayashida, Kiyoshi, additional, Iwakiri, Wataru, additional, Jorstad, Svetlana G., additional, Kaaret, Philip, additional, Karas, Vladimir, additional, Kolodziejczak, Jeffery J., additional, Latronico, Luca, additional, Liodakis, Ioannis, additional, Maldera, Simone, additional, Manfreda, Alberto, additional, Marin, Frédéric, additional, Marinucci, Andrea, additional, Marscher, Alan P., additional, Massaro, Francesco, additional, Mitsuishi, Ikuyuki, additional, Mizuno, Tsunefumi, additional, Ng, C.-Y., additional, O’Dell, Stephen L., additional, Oppedisano, Chiara, additional, Papitto, Alessandro, additional, Peirson, Abel L., additional, Perri, Matteo, additional, Pesce-Rollins, Melissa, additional, Petrucci, Pierre-Olivier, additional, Pilia, Maura, additional, Possenti, Andrea, additional, Poutanen, Juri, additional, Puccetti, Simonetta, additional, Ramsey, Brian D., additional, Ratheesh, Ajay, additional, Roberts, Oliver J., additional, Romani, Roger W., additional, Sgró, Carmelo, additional, Slane, Patrick, additional, Soffitta, Paolo, additional, Spandre, Gloria, additional, Swartz, Douglas A., additional, Tavecchio, Fabrizio, additional, Tawara, Yuzuru, additional, Tennant, Allyn F., additional, Thomas, Nicholas E., additional, Tombesi, Francesco, additional, Trois, Alessio, additional, Tsygankov, Sergey S., additional, Vink, Jacco, additional, Weisskopf, Martin C., additional, Wu, Kinwah, additional, and Xie, Fei, additional
Published: 2023
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190. The high polarisation of the X-rays from the Black Hole X-ray Binary 4U 1630-47 challenges standard thin accretion disc scenario

Author: Ratheesh, Ajay, Dovčiak, Michal, Krawczynski, Henric, Podgorný, Jakub, Marra, Lorenzo, Veledina, Alexandra, Suleimanov, Valery, Cavero, Nicole Rodriguez, Steiner, James, Svoboda, Jiri, Marinucci, Andrea, Bianchi, Stefano, Negro, Michela, Matt, Giorgio, Tombesi, Francesco, Poutanen, Juri, Ingram, Adam, Taverna, Roberto, West, Andrew, Karas, Vladimir, Ursini, Francesco, Soffitta, Paolo, Capitanio, Fiamma, Viscolo, Domenico, Manfreda, Alberto, Muleri, Fabio, Parra, Maxime, Beheshtipour, Banafsheh, Chun, Sohee, Cibrario, Niccolò, Di Lalla, Niccolò, Fabiani, Sergio, Hu, Kun, Kaaret, Philip, Loktev, Vladislav, Mikušincová, Romana, Mizuno, Tsunefumi, Omodei, Nicola, Petrucci, Pierre-Olivier, Puccetti, Simonetta, Rankin, John, Zane, Silvia, Zhang, Sixuan, Agudo, Iván, Antonelli, Lucio, Bachetti, Matteo, Baldini, Luca, Baumgartner, Wayne, Bellazzini, Ronaldo, Bongiorno, Stephen, Bonino, Raffaella, Brez, Alessandro, Bucciantini, Niccolò, Castellano, Simone, Cavazzuti, Elisabetta, Chen, Chien-Ting, Ciprini, Stefano, Costa, Enrico, De Rosa, Alessandra, Del Monte, Ettore, Di Gesu, Laura, Di Marco, Alessandro, Donnarumma, Immacolata, Doroshenko, Victor, Ehlert, Steven, Enoto, Teruaki, Evangelista, Yuri, Ferrazzoli, Riccardo, Garcia, Javier, Gunji, Shuichi, Hayashida, Kiyoshi, Heyl, Jeremy, Iwakiri, Wataru, Jorstad, Svetlana, Kislat, Fabian, Kitaguchi, Takao, Kolodziejczak, Jeffery, La Monaca, Fabio, Latronico, Luca, Liodakis, Ioannis, Maldera, Simone, Marin, Frédéric, Marscher, Alan, Marshall, Herman, Massaro, Francesco, Mitsuishi, Ikuyuki, Ng, C. -Y., O'Dell, Stephen, Oppedisano, Chiara, Papitto, Alessandro, Pavlov, George, Peirson, Abel, Perri, Matteo, Pesce-Rollins, Melissa, Pilia, Maura, Possenti, Andrea, Ramsey, Brian, Roberts, Oliver, Romani, Roger, Sgrò, Carmelo, Slane, Patrick, Spandre, Gloria, Swartz, Douglas, Tamagawa, Toru, Tavecchio, Fabrizio, Tawara, Yuzuru, Tennant, Allyn, Thomas, Nicholas, Trois, Alessio, Tsygankov, Sergey, Turolla, Roberto, Vink, Jacco, Weisskopf, Martin, Wu, Kinwah, and Xie, Fei
Subjects: High Energy Astrophysical Phenomena (astro-ph.HE), FOS: Physical sciences, Astrophysics - High Energy Astrophysical Phenomena
Abstract: Large, energy-dependent X-ray polarisation is observed in 4U 1630-47, a black hole in an X-ray binary, in the high-soft emission state. In this state, X-ray emission is believed to be dominated by a thermal, geometrically thin, optically thick accretion disc. However, the observations with the Imaging X-ray Polarimetry Explorer (IXPE) reveal an unexpectedly high polarisation degree, rising from 6% at 2 keV to 10% at 8 keV, which cannot be reconciled with standard models of thin accretion discs. We argue that an accretion disc with an only partially ionised atmosphere flowing away from the disc at mildly relativistic velocities can explain the observations., Comment: Submitted to Nature Astronomy
Published: 2023
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191. X-ray pulsar GRO J1008-57 as an orthogonal rotator

Author: Tsygankov, Sergey S., Doroshenko, Victor, Mushtukov, Alexander A., Poutanen, Juri, Di Marco, Alessandro, Heyl, Jeremy, La Monaca, Fabio, Forsblom, Sofia, Malacaria, Christian, Marshall, Herman L., Suleimanov, Valery F., Svoboda, Jiri, Taverna, Roberto, Ursini, Francesco, Agudo, Iván, Antonelli, Lucio A., Bachetti, Matteo, Baldini, Luca, Baumgartner, Wayne H., Bellazzini, Ronaldo, Bianchi, Stefano, Bongiorno, Stephen D., Bonino, Raffaella, Brez, Alessandro, Bucciantini, Niccolò, Capitanio, Fiamma, Castellano, Simone, Cavazzuti, Elisabetta, Chen, Chien-Ting, Ciprini, Stefano, Costa, Enrico, De Rosa, Alessandra, Del Monte, Ettore, Di Gesu, Laura, Di Lalla, Niccolò, Donnarumma, Immacolata, Dovčiak, Michal, Ehlert, Steven R., Enoto, Teruaki, Evangelista, Yuri, Fabiani, Sergio, Ferrazzoli, Riccardo, Garcia, Javier A., Gunji, Shuichi, Hayashida, Kiyoshi, Iwakiri, Wataru, Jorstad, Svetlana G., Kaaret, Philip, Karas, Vladimir, Kislat, Fabian, Kitaguchi, Takao, Kolodziejczak, Jeffery J., Krawczynski, Henric, Latronico, Luca, Liodakis, Ioannis, Maldera, Simone, Manfreda, Alberto, Marin, Frédéric, Marinucci, Andrea, Marscher, Alan P., Massaro, Francesco, Matt, Giorgio, Mitsuishi, Ikuyuki, Mizuno, Tsunefumi, Muleri, Fabio, Negro, Michela, Ng, Chi-Yung, O'Dell, Stephen L., Omodei, Nicola, Oppedisano, Chiara, Papitto, Alessandro, Pavlov, George G., Peirson, Abel Lawrence, Perri, Matteo, Pesce-Rollins, Melissa, Petrucci, Pierre-Olivier, Pilia, Maura, Possenti, Andrea, Puccetti, Simonetta, Ramsey, Brian D., Rankin, John, Ratheesh, Ajay, Roberts, Oliver J., Romani, Roger W., Sgrò, Carmelo, Slane, Patrick, Soffitta, Paolo, Spandre, Gloria, Swartz, Douglas A., Tamagawa, Toru, Tavecchio, Fabrizio, Tawara, Yuzuru, Tennant, Allyn F., Thomas, Nicholas E., Tombesi, Francesco, Trois, Alessio, Turolla, Roberto, Vink, Jacco, Weisskopf, Martin C., Wu, Kinwah, Xie, Fei, Zane, Silvia, Tsygankov, S. S., Doroshenko, V., Mushtukov, A. A., Poutanen, J., Di Marco, A., Heyl, J., La Monaca, F., Forsblom, S. V., Malacaria, C., Marshall, H. L., Suleimanov, V. F., Svoboda, J., Taverna, R., Ursini, F., Agudo, I., Antonelli, L. A., Bachetti, M., Baldini, L., Baumgartner, W. H., Bellazzini, R., Bianchi, S., Bongiorno, S. D., Bonino, R., Brez, A., Bucciantini, N., Capitanio, F., Castellano, S., Cavazzuti, E., Chen, C. -T., Ciprini, S., Costa, E., De Rosa, A., Del Monte, E., Di Gesu, L., Di Lalla, N., Donnarumma, I., Dovciak, M., Ehlert, S. R., Enoto, T., Evangelista, Y., Fabiani, S., Ferrazzoli, R., Garcia, J. A., Gunji, S., Hayashida, K., Iwakiri, W., Jorstad, S. G., Kaaret, P., Karas, V., Kislat, F., Kitaguchi, T., Kolodziejczak, J. J., Krawczynski, H., Latronico, L., Liodakis, I., Maldera, S., Manfreda, A., Marin, F., Marinucci, A., Marscher, A. P., Massaro, F., Matt, G., Mitsuishi, I., Mizuno, T., Muleri, F., Negro, M., Ng, C. -Y., Oa'Dell, S. L., Omodei, N., Oppedisano, C., Papitto, A., Pavlov, G. G., Peirson, A. L., Perri, M., Pesce-Rollins, M., Petrucci, P. -O., Pilia, M., Possenti, A., Puccetti, S., Ramsey, B. D., Rankin, J., Ratheesh, A., Roberts, O. J., Romani, R. W., Sgro, C., Slane, P., Soffitta, P., Spandre, G., Swartz, D. A., Tamagawa, T., Tavecchio, F., Tawara, Y., Tennant, A. F., Thomas, N. E., Tombesi, F., Trois, A., Turolla, R., Vink, J., Weisskopf, M. C., Wu, K., Xie, F., and Zane, S.
Subjects: High Energy Astrophysical Phenomena (astro-ph.HE), Astrophysics - Solar and Stellar Astrophysics, FOS: Physical sciences, Astrophysics - High Energy Astrophysical Phenomena, Solar and Stellar Astrophysics (astro-ph.SR)
Abstract: X-ray polarimetry is a unique way to probe the geometrical configuration of highly magnetized accreting neutron stars (X-ray pulsars). GRO J1008$-$57 is the first transient X-ray pulsar observed at two different flux levels by the Imaging X-ray Polarimetry Explorer (IXPE) during its outburst in November 2022. We find the polarization properties of GRO J1008$-$57 to be independent of its luminosity, with the polarization degree varying between nondetection and about 15% over the pulse phase. Fitting the phase-resolved spectro-polarimetric data with the rotating vector model allowed us to estimate the pulsar inclination (130 deg, which is in good agreement with the orbital inclination), the position angle (75 deg) of the pulsar spin axis, and the magnetic obliquity (74 deg). This makes GRO J1008$-$57 the first confidently identified nearly orthogonal rotator among X-ray pulsars. We discuss our results in the context of the neutron star atmosphere models and theories of the axis alignment of accreting pulsars., Comment: 11 pages, 7 figures, A&A, in press
Published: 2023

192. X-Ray Polarization Observations of BL Lacertae

Author: Middei, Riccardo, primary, Liodakis, Ioannis, additional, Perri, Matteo, additional, Puccetti, Simonetta, additional, Cavazzuti, Elisabetta, additional, Di Gesu, Laura, additional, Ehlert, Steven R., additional, Madejski, Grzegorz, additional, Marscher, Alan P., additional, Marshall, Herman L., additional, Muleri, Fabio, additional, Negro, Michela, additional, Jorstad, Svetlana G., additional, Agís-González, Beatriz, additional, Agudo, Iván, additional, Bonnoli, Giacomo, additional, Bernardos, Maria I., additional, Casanova, Víctor, additional, García-Comas, Maya, additional, Husillos, César, additional, Marchini, Alessandro, additional, Sota, Alfredo, additional, Kouch, Pouya M., additional, Lindfors, Elina, additional, Borman, George A., additional, Kopatskaya, Evgenia N., additional, Larionova, Elena G., additional, Morozova, Daria A., additional, Savchenko, Sergey S., additional, Vasilyev, Andrey A., additional, Zhovtan, Alexey V., additional, Casadio, Carolina, additional, Escudero, Juan, additional, Myserlis, Ioannis, additional, Hales, Antonio, additional, Kameno, Seiji, additional, Kneissl, Ruediger, additional, Messias, Hugo, additional, Nagai, Hiroshi, additional, Blinov, Dmitry, additional, Bourbah, Ioakeim G., additional, Kiehlmann, Sebastian, additional, Kontopodis, Evangelos, additional, Mandarakas, Nikos, additional, Romanopoulos, Stylianos, additional, Skalidis, Raphael, additional, Vervelaki, Anna, additional, Masiero, Joseph R., additional, Mawet, Dimitri, additional, Millar-Blanchaer, Maxwell A., additional, Panopoulou, Georgia V., additional, Tinyanont, Samaporn, additional, Berdyugin, Andrei V., additional, Kagitani, Masato, additional, Kravtsov, Vadim, additional, Sakanoi, Takeshi, additional, Imazawa, Ryo, additional, Sasada, Mahito, additional, Fukazawa, Yasushi, additional, Kawabata, Koji S., additional, Uemura, Makoto, additional, Mizuno, Tsunefumi, additional, Nakaoka, Tatsuya, additional, Akitaya, Hiroshi, additional, Gurwell, Mark, additional, Rao, Ramprasad, additional, Lalla, Niccoló Di, additional, Cibrario, Nicoló, additional, Donnarumma, Immacolata, additional, Kim, Dawoon E., additional, Omodei, Nicola, additional, Pacciani, Luigi, additional, Poutanen, Juri, additional, Tavecchio, Fabrizio, additional, Antonelli, Lucio A., additional, Bachetti, Matteo, additional, Baldini, Luca, additional, Baumgartner, Wayne H., additional, Bellazzini, Ronaldo, additional, Bianchi, Stefano, additional, Bongiorno, Stephen D., additional, Bonino, Raffaella, additional, Brez, Alessandro, additional, Bucciantini, Niccoló, additional, Capitanio, Fiamma, additional, Castellano, Simone, additional, Ciprini, Stefano, additional, Costa, Enrico, additional, De Rosa, Alessandra, additional, Del Monte, Ettore, additional, Marco, Alessandro Di, additional, Doroshenko, Victor, additional, Dovčiak, Michal, additional, Enoto, Teruaki, additional, Evangelista, Yuri, additional, Fabiani, Sergio, additional, Ferrazzoli, Riccardo, additional, Garcia, Javier A., additional, Gunji, Shuichi, additional, Hayashida, Kiyoshi, additional, Heyl, Jeremy, additional, Iwakiri, Wataru, additional, Karas, Vladimir, additional, Kitaguchi, Takao, additional, Kolodziejczak, Jeffery J., additional, Krawczynski, Henric, additional, Monaca, Fabio La, additional, Latronico, Luca, additional, Maldera, Simone, additional, Manfreda, Alberto, additional, Marin, Frédéric, additional, Marinucci, Andrea, additional, Massaro, Francesco, additional, Matt, Giorgio, additional, Mitsuishi, Ikuyuki, additional, Ng, C.-Y., additional, O’Dell, Stephen L., additional, Oppedisano, Chiara, additional, Papitto, Alessandro, additional, Pavlov, George G., additional, Peirson, Abel L., additional, Pesce-Rollins, Melissa, additional, Petrucci, Pierre-Olivier, additional, Pilia, Maura, additional, Possenti, Andrea, additional, Ramsey, Brian D., additional, Rankin, John, additional, Ratheesh, Ajay, additional, Romani, Roger W., additional, Sgró, Carmelo, additional, Slane, Patrick, additional, Soffitta, Paolo, additional, Spandre, Gloria, additional, Tamagawa, Toru, additional, Taverna, Roberto, additional, Tawara, Yuzuru, additional, Tennant, Allyn F., additional, Thomas, Nicholas E., additional, Tombesi, Francesco, additional, Trois, Alessio, additional, Tsygankov, Sergey, additional, Turolla, Roberto, additional, Vink, Jacco, additional, Weisskopf, Martin C., additional, Wu, Kinwah, additional, Xie, Fei, additional, and Zane, Silvia, additional
Published: 2022
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193. The X-Ray Polarimetry View of the Accreting Pulsar Cen X-3

Author: Tsygankov, Sergey S., primary, Doroshenko, Victor, additional, Poutanen, Juri, additional, Heyl, Jeremy, additional, Mushtukov, Alexander A., additional, Caiazzo, Ilaria, additional, Di Marco, Alessandro, additional, Forsblom, Sofia V., additional, González-Caniulef, Denis, additional, Klawin, Moritz, additional, La Monaca, Fabio, additional, Malacaria, Christian, additional, Marshall, Herman L., additional, Muleri, Fabio, additional, Ng, Mason, additional, Suleimanov, Valery F., additional, Sunyaev, Rashid A., additional, Turolla, Roberto, additional, Agudo, Iván, additional, Antonelli, Lucio A., additional, Bachetti, Matteo, additional, Baldini, Luca, additional, Baumgartner, Wayne H., additional, Bellazzini, Ronaldo, additional, Bianchi, Stefano, additional, Bongiorno, Stephen D., additional, Bonino, Raffaella, additional, Brez, Alessandro, additional, Bucciantini, Niccolò, additional, Capitanio, Fiamma, additional, Castellano, Simone, additional, Cavazzuti, Elisabetta, additional, Ciprini, Stefano, additional, Costa, Enrico, additional, Rosa, Alessandra De, additional, Del Monte, Ettore, additional, Gesu, Laura Di, additional, Lalla, Niccolò Di, additional, Donnarumma, Immacolata, additional, Dovčiak, Michal, additional, Ehlert, Steven R., additional, Enoto, Teruaki, additional, Evangelista, Yuri, additional, Fabiani, Sergio, additional, Ferrazzoli, Riccardo, additional, Garcia, Javier A., additional, Gunji, Shuichi, additional, Hayashida, Kiyoshi, additional, Iwakiri, Wataru, additional, Jorstad, Svetlana G., additional, Karas, Vladimir, additional, Kitaguchi, Takao, additional, Kolodziejczak, Jeffery J., additional, Krawczynski, Henric, additional, Latronico, Luca, additional, Liodakis, Ioannis, additional, Maldera, Simone, additional, Manfreda, Alberto, additional, Marin, Frédéric, additional, Marinucci, Andrea, additional, Marscher, Alan P., additional, Matt, Giorgio, additional, Mitsuishi, Ikuyuki, additional, Mizuno, Tsunefumi, additional, Ng, Chi-Yung, additional, O’Dell, Stephen L., additional, Omodei, Nicola, additional, Oppedisano, Chiara, additional, Papitto, Alessandro, additional, Pavlov, George G., additional, Peirson, Abel L., additional, Perri, Matteo, additional, Pesce-Rollins, Melissa, additional, Petrucci, Pierre-Olivier, additional, Pilia, Maura, additional, Possenti, Andrea, additional, Puccetti, Simonetta, additional, Ramsey, Brian D., additional, Rankin, John, additional, Ratheesh, Ajay, additional, Romani, Roger W., additional, Sgrò, Carmelo, additional, Slane, Patrick, additional, Soffitta, Paolo, additional, Spandre, Gloria, additional, Tamagawa, Toru, additional, Tavecchio, Fabrizio, additional, Taverna, Roberto, additional, Tawara, Yuzuru, additional, Tennant, Allyn F., additional, Thomas, Nicholas E., additional, Tombesi, Francesco, additional, Trois, Alessio, additional, Vink, Jacco, additional, Weisskopf, Martin C., additional, Wu, Kinwah, additional, Xie, Fei, additional, and Zane, Silvia, additional
Published: 2022
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194. When the Milky Way hosted a quasar

Author: Marin, Frederic, primary, Churazov, Eugene, additional, Khabibullin, Ildar, additional, Ferrazzoli, Riccardo, additional, Gesu, Laura Di, additional, Barnouin, Thibault, additional, Marco, Alessandro Di, additional, Middei, Riccardo, additional, Vikhlinin, Alexey, additional, Costa, Enrico, additional, Soffitta, Paolo, additional, Muleri, Fabio, additional, Sunyaev, Rashid, additional, Forman, William, additional, Kraft, Ralph, additional, Bianchi, Stefano, additional, Donnarumma, Immacolata, additional, Petrucci, Pierre-Olivier, additional, Enoto, Teruaki, additional, Agudo, Iván, additional, Antonelli, Lucio, additional, Bachetti, Matteo, additional, Baldini, Luca, additional, Baumgartner, Wayne, additional, Bellazzini, Ronaldo, additional, Bongiorno, Stephen, additional, Bonino, Raffaella, additional, Brez, Alessandro, additional, Bucciantini, Niccolo, additional, Capitanio, Fiamma, additional, Castellano, Simone, additional, Cavazzuti, Elisabetta, additional, Chen, Chien-Ting, additional, Ciprini, Stefano, additional, De Rosa, Alessandra, additional, Monte, Ettore Del, additional, Lalla, Niccolo Di, additional, Doroshenko, Victor, additional, Dovciak, Michal, additional, Ehlert, Steven, additional, Evangelista, Yuri, additional, Fabiani, Sergio, additional, Garcia, Javier, additional, Gunji, Shuichi, additional, Hayashida, Kiyoshi, additional, Heyl, Jeremy, additional, Ingram, Adam, additional, Iwakiri, Wataru, additional, Jorstad, Svetlana, additional, Kaaret, Philip, additional, Karas, Vladimir, additional, Kitaguchi, Takao, additional, Kolodziejczak, Jeffery, additional, Krawczynski, Henric, additional, Monaca, Fabio La, additional, Latronico, Luca, additional, Liodakis, Ioannis, additional, Maldera, Simone, additional, Manfreda, Alberto, additional, Marinucci, Andrea, additional, Marscher, Alan, additional, Marshall, Herman, additional, Massaro, Francesco, additional, Matt, Giorgio, additional, Mitsuishi, Ikuyuki, additional, Mizuno, Tsunefumi, additional, Negro, Michela, additional, Ng, C.-Y., additional, O'Dell, Stephen, additional, Omodei, Nicola, additional, Oppedisano, Chiara, additional, Papitto, Alessandro, additional, Pavlov, George, additional, Peirson, Abel, additional, Perri, Matteo, additional, Pesce-Rollins, Melissa, additional, Pilia, Maura, additional, Possenti, Andrea, additional, Poutanen, Juri, additional, Puccetti, Simonetta, additional, Ramsey, Brian, additional, Rankin, John, additional, Ratheesh, Ajay, additional, Roberts, Oliver, additional, Romani, Roger, additional, Sgro, Carmelo, additional, Slane, Patrick, additional, Spandre, Gloria, additional, Swartz, Doug, additional, Tamagawa, Toru, additional, Tavecchio, Fabrizio, additional, Taverna, Roberto, additional, Tawara, Yuzuru, additional, Tennant, Allyn, additional, Thomas, Nicholas, additional, Tombesi, Francesco, additional, Trois, Alessio, additional, Tsygankov, Sergey, additional, Turolla, Roberto, additional, Vink, Jacco, additional, Weisskopf, Martin, additional, Wu, Kinwah, additional, Xie, Fei, additional, and Zane, Silvia, additional
Published: 2022
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195. Polarized blazar X-rays imply particle acceleration in shocks

Author: Liodakis, Ioannis, primary, Marscher, Alan P., additional, Agudo, Iván, additional, Berdyugin, Andrei V., additional, Bernardos, Maria I., additional, Bonnoli, Giacomo, additional, Borman, George A., additional, Casadio, Carolina, additional, Casanova, Vı́ctor, additional, Cavazzuti, Elisabetta, additional, Rodriguez Cavero, Nicole, additional, Di Gesu, Laura, additional, Di Lalla, Niccoló, additional, Donnarumma, Immacolata, additional, Ehlert, Steven R., additional, Errando, Manel, additional, Escudero, Juan, additional, Garcı́a-Comas, Maya, additional, Agı́s-González, Beatriz, additional, Husillos, César, additional, Jormanainen, Jenni, additional, Jorstad, Svetlana G., additional, Kagitani, Masato, additional, Kopatskaya, Evgenia N., additional, Kravtsov, Vadim, additional, Krawczynski, Henric, additional, Lindfors, Elina, additional, Larionova, Elena G., additional, Madejski, Grzegorz M., additional, Marin, Frédéric, additional, Marchini, Alessandro, additional, Marshall, Herman L., additional, Morozova, Daria A., additional, Massaro, Francesco, additional, Masiero, Joseph R., additional, Mawet, Dimitri, additional, Middei, Riccardo, additional, Millar-Blanchaer, Maxwell A., additional, Myserlis, Ioannis, additional, Negro, Michela, additional, Nilsson, Kari, additional, O’Dell, Stephen L., additional, Omodei, Nicola, additional, Pacciani, Luigi, additional, Paggi, Alessandro, additional, Panopoulou, Georgia V., additional, Peirson, Abel L., additional, Perri, Matteo, additional, Petrucci, Pierre-Olivier, additional, Poutanen, Juri, additional, Puccetti, Simonetta, additional, Romani, Roger W., additional, Sakanoi, Takeshi, additional, Savchenko, Sergey S., additional, Sota, Alfredo, additional, Tavecchio, Fabrizio, additional, Tinyanont, Samaporn, additional, Vasilyev, Andrey A., additional, Weaver, Zachary R., additional, Zhovtan, Alexey V., additional, Antonelli, Lucio A., additional, Bachetti, Matteo, additional, Baldini, Luca, additional, Baumgartner, Wayne H., additional, Bellazzini, Ronaldo, additional, Bianchi, Stefano, additional, Bongiorno, Stephen D., additional, Bonino, Raffaella, additional, Brez, Alessandro, additional, Bucciantini, Niccoló, additional, Capitanio, Fiamma, additional, Castellano, Simone, additional, Ciprini, Stefano, additional, Costa, Enrico, additional, De Rosa, Alessandra, additional, Del Monte, Ettore, additional, Di Marco, Alessandro, additional, Doroshenko, Victor, additional, Dovčiak, Michal, additional, Enoto, Teruaki, additional, Evangelista, Yuri, additional, Fabiani, Sergio, additional, Ferrazzoli, Riccardo, additional, Garcia, Javier A., additional, Gunji, Shuichi, additional, Hayashida, Kiyoshi, additional, Heyl, Jeremy, additional, Iwakiri, Wataru, additional, Karas, Vladimir, additional, Kitaguchi, Takao, additional, Kolodziejczak, Jeffery J., additional, La Monaca, Fabio, additional, Latronico, Luca, additional, Maldera, Simone, additional, Manfreda, Alberto, additional, Marinucci, Andrea, additional, Matt, Giorgio, additional, Mitsuishi, Ikuyuki, additional, Mizuno, Tsunefumi, additional, Muleri, Fabio, additional, Ng, Stephen C.-Y., additional, Oppedisano, Chiara, additional, Papitto, Alessandro, additional, Pavlov, George G., additional, Pesce-Rollins, Melissa, additional, Pilia, Maura, additional, Possenti, Andrea, additional, Ramsey, Brian D., additional, Rankin, John, additional, Ratheesh, Ajay, additional, Sgró, Carmelo, additional, Slane, Patrick, additional, Soffitta, Paolo, additional, Spandre, Gloria, additional, Tamagawa, Toru, additional, Taverna, Roberto, additional, Tawara, Yuzuru, additional, Tennant, Allyn F., additional, Thomas, Nicolas E., additional, Tombesi, Francesco, additional, Trois, Alessio, additional, Tsygankov, Sergey, additional, Turolla, Roberto, additional, Vink, Jacco, additional, Weisskopf, Martin C., additional, Wu, Kinwah, additional, Xie, Fei, additional, and Zane, Silvia, additional
Published: 2022
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196. Polarized x-rays constrain the disk-jet geometry in the black hole x-ray binary Cygnus X-1

Author: Krawczynski, Henric, primary, Muleri, Fabio, additional, Dovčiak, Michal, additional, Veledina, Alexandra, additional, Rodriguez Cavero, Nicole, additional, Svoboda, Jiri, additional, Ingram, Adam, additional, Matt, Giorgio, additional, Garcia, Javier A., additional, Loktev, Vladislav, additional, Negro, Michela, additional, Poutanen, Juri, additional, Kitaguchi, Takao, additional, Podgorný, Jakub, additional, Rankin, John, additional, Zhang, Wenda, additional, Berdyugin, Andrei, additional, Berdyugina, Svetlana V., additional, Bianchi, Stefano, additional, Blinov, Dmitry, additional, Capitanio, Fiamma, additional, Di Lalla, Niccolò, additional, Draghis, Paul, additional, Fabiani, Sergio, additional, Kagitani, Masato, additional, Kravtsov, Vadim, additional, Kiehlmann, Sebastian, additional, Latronico, Luca, additional, Lutovinov, Alexander A., additional, Mandarakas, Nikos, additional, Marin, Frédéric, additional, Marinucci, Andrea, additional, Miller, Jon M., additional, Mizuno, Tsunefumi, additional, Molkov, Sergey V., additional, Omodei, Nicola, additional, Petrucci, Pierre-Olivier, additional, Ratheesh, Ajay, additional, Sakanoi, Takeshi, additional, Semena, Andrei N., additional, Skalidis, Raphael, additional, Soffitta, Paolo, additional, Tennant, Allyn F., additional, Thalhammer, Phillipp, additional, Tombesi, Francesco, additional, Weisskopf, Martin C., additional, Wilms, Joern, additional, Zhang, Sixuan, additional, Agudo, Iván, additional, Antonelli, Lucio A., additional, Bachetti, Matteo, additional, Baldini, Luca, additional, Baumgartner, Wayne H., additional, Bellazzini, Ronaldo, additional, Bongiorno, Stephen D., additional, Bonino, Raffaella, additional, Brez, Alessandro, additional, Bucciantini, Niccolò, additional, Castellano, Simone, additional, Cavazzuti, Elisabetta, additional, Ciprini, Stefano, additional, Costa, Enrico, additional, De Rosa, Alessandra, additional, Del Monte, Ettore, additional, Di Gesu, Laura, additional, Di Marco, Alessandro, additional, Donnarumma, Immacolata, additional, Doroshenko, Victor, additional, Ehlert, Steven R., additional, Enoto, Teruaki, additional, Evangelista, Yuri, additional, Ferrazzoli, Riccardo, additional, Gunji, Shuichi, additional, Hayashida, Kiyoshi, additional, Heyl, Jeremy, additional, Iwakiri, Wataru, additional, Jorstad, Svetlana G., additional, Karas, Vladimir, additional, Kolodziejczak, Jeffery J., additional, La Monaca, Fabio, additional, Liodakis, Ioannis, additional, Maldera, Simone, additional, Manfreda, Alberto, additional, Marscher, Alan P., additional, Marshall, Herman L., additional, Mitsuishi, Ikuyuki, additional, Ng, Chi-Yung, additional, O’Dell, Stephen L., additional, Oppedisano, Chiara, additional, Papitto, Alessandro, additional, Pavlov, George G., additional, Peirson, Abel L., additional, Perri, Matteo, additional, Pesce-Rollins, Melissa, additional, Pilia, Maura, additional, Possenti, Andrea, additional, Puccetti, Simonetta, additional, Ramsey, Brian D., additional, Romani, Roger W., additional, Sgrò, Carmelo, additional, Slane, Patrick, additional, Spandre, Gloria, additional, Tamagawa, Toru, additional, Tavecchio, Fabrizio, additional, Taverna, Roberto, additional, Tawara, Yuzuru, additional, Thomas, Nicholas E., additional, Trois, Alessio, additional, Tsygankov, Sergey, additional, Turolla, Roberto, additional, Vink, Jacco, additional, Wu, Kinwah, additional, Xie, Fei, additional, and Zane, Silvia, additional
Published: 2022
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197. Polarized x-rays from a magnetar

Author: Taverna, Roberto, primary, Turolla, Roberto, additional, Muleri, Fabio, additional, Heyl, Jeremy, additional, Zane, Silvia, additional, Baldini, Luca, additional, González-Caniulef, Denis, additional, Bachetti, Matteo, additional, Rankin, John, additional, Caiazzo, Ilaria, additional, Di Lalla, Niccolò, additional, Doroshenko, Victor, additional, Errando, Manel, additional, Gau, Ephraim, additional, Kırmızıbayrak, Demet, additional, Krawczynski, Henric, additional, Negro, Michela, additional, Ng, Mason, additional, Omodei, Nicola, additional, Possenti, Andrea, additional, Tamagawa, Toru, additional, Uchiyama, Keisuke, additional, Weisskopf, Martin C., additional, Agudo, Ivan, additional, Antonelli, Lucio A., additional, Baumgartner, Wayne H., additional, Bellazzini, Ronaldo, additional, Bianchi, Stefano, additional, Bongiorno, Stephen D., additional, Bonino, Raffaella, additional, Brez, Alessandro, additional, Bucciantini, Niccolò, additional, Capitanio, Fiamma, additional, Castellano, Simone, additional, Cavazzuti, Elisabetta, additional, Ciprini, Stefano, additional, Costa, Enrico, additional, De Rosa, Alessandra, additional, Del Monte, Ettore, additional, Di Gesu, Laura, additional, Di Marco, Alessandro, additional, Donnarumma, Immacolata, additional, Dovčiak, Michal, additional, Ehlert, Steven R., additional, Enoto, Teruaki, additional, Evangelista, Yuri, additional, Fabiani, Sergio, additional, Ferrazzoli, Riccardo, additional, Garcia, Javier A., additional, Gunji, Shuichi, additional, Hayashida, Kiyoshi, additional, Iwakiri, Wataru, additional, Jorstad, Svetlana G., additional, Karas, Vladimir, additional, Kitaguchi, Takao, additional, Kolodziejczak, Jeffery J., additional, La Monaca, Fabio, additional, Latronico, Luca, additional, Liodakis, Ioannis, additional, Maldera, Simone, additional, Manfreda, Alberto, additional, Marin, Frédéric, additional, Marinucci, Andrea, additional, Marscher, Alan P., additional, Marshall, Herman L., additional, Matt, Giorgio, additional, Mitsuishi, Ikuyuki, additional, Mizuno, Tsunefumi, additional, Ng, Stephen C.-Y., additional, O’Dell, Stephen L., additional, Oppedisano, Chiara, additional, Papitto, Alessandro, additional, Pavlov, George G., additional, Peirson, Abel L., additional, Perri, Matteo, additional, Pesce-Rollins, Melissa, additional, Pilia, Maura, additional, Poutanen, Juri, additional, Puccetti, Simonetta, additional, Ramsey, Brian D., additional, Ratheesh, Ajay, additional, Romani, Roger W., additional, Sgrò, Carmelo, additional, Slane, Patrick, additional, Soffitta, Paolo, additional, Spandre, Gloria, additional, Tavecchio, Fabrizio, additional, Tawara, Yuzuru, additional, Tennant, Allyn F., additional, Thomas, Nicholas E., additional, Tombesi, Francesco, additional, Trois, Alessio, additional, Tsygankov, Sergey S., additional, Vink, Jacco, additional, Wu, Kinwah, additional, and Xie, Fei, additional
Published: 2022
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198. Observations of 4U 1626–67 with the Imaging X-Ray Polarimetry Explorer

Author: Marshall, Herman L., primary, Ng, Mason, additional, Rogantini, Daniele, additional, Heyl, Jeremy, additional, Tsygankov, Sergey S., additional, Poutanen, Juri, additional, Costa, Enrico, additional, Zane, Silvia, additional, Malacaria, Christian, additional, Agudo, Iván, additional, Antonelli, Lucio A., additional, Bachetti, Matteo, additional, Baldini, Luca, additional, Baumgartner, Wayne H., additional, Bellazzini, Ronaldo, additional, Bianchi, Stefano, additional, Bongiorno, Stephen D., additional, Bonino, Raffaella, additional, Brez, Alessandro, additional, Bucciantini, Niccolò, additional, Capitanio, Fiamma, additional, Castellano, Simone, additional, Cavazzuti, Elisabetta, additional, Ciprini, Stefano, additional, De Rosa, Alessandra, additional, Monte, Ettore Del, additional, Gesu, Laura Di, additional, Lalla, Niccolò Di, additional, Marco, Alessandro Di, additional, Donnarumma, Immacolata, additional, Doroshenko, Victor, additional, Dovčiak, Michal, additional, Ehlert, Steven R., additional, Enoto, Teruaki, additional, Evangelista, Yuri, additional, Fabiani, Sergio, additional, Ferrazzoli, Riccardo, additional, Garcia, Javier A., additional, Gunji, Shuichi, additional, Hayashida, Kiyoshi, additional, Iwakiri, Wataru, additional, Jorstad, Svetlana G., additional, Karas, Vladimir, additional, Kitaguchi, Takao, additional, Kolodziejczak, Jeffery J., additional, Krawczynski, Henric, additional, Monaca, Fabio La, additional, Latronico, Luca, additional, Liodakis, Ioannis, additional, Maldera, Simone, additional, Manfreda, Alberto, additional, Marin, Frédéric, additional, Marinucci, Andrea, additional, Marscher, Alan P., additional, Matt, Giorgio, additional, Mitsuishi, Ikuyuki, additional, Mizuno, Tsunefumi, additional, Muleri, Fabio, additional, Ng, C.-Y., additional, O’Dell, Stephen L., additional, Omodei, Nicola, additional, Oppedisano, Chiara, additional, Papitto, Alessandro, additional, Pavlov, George G., additional, Peirson, Abel L., additional, Perri, Matteo, additional, Pesce-Rollins, Melissa, additional, Petrucci, Pierre-Olivier, additional, Pilia, Maura, additional, Possenti, Andrea, additional, Puccetti, Simonetta, additional, Ramsey, Brian D., additional, Rankin, John, additional, Ratheesh, Ajay, additional, Romani, Roger W., additional, Sgrò, Carmelo, additional, Slane, Patrick, additional, Soffitta, Paolo, additional, Spandre, Gloria, additional, Tamagawa, Toru, additional, Tavecchio, Fabrizio, additional, Taverna, Roberto, additional, Tawara, Yuzuru, additional, Tennant, Allyn F., additional, Thomas, Nicholas E., additional, Tombesi, Francesco, additional, Trois, Alessio, additional, Turolla, Roberto, additional, Vink, Jacco, additional, Weisskopf, Martin C., additional, Wu, Kinwah, additional, Xie, Fei, additional, Schulz, Norbert S., additional, and Chakrabarty, Deepto, additional
Published: 2022
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199. Determination of X-ray pulsar geometry with IXPE polarimetry

Author: Doroshenko, Victor, primary, Poutanen, Juri, additional, Tsygankov, Sergey S., additional, Suleimanov, Valery F., additional, Bachetti, Matteo, additional, Caiazzo, Ilaria, additional, Costa, Enrico, additional, Di Marco, Alessandro, additional, Heyl, Jeremy, additional, La Monaca, Fabio, additional, Muleri, Fabio, additional, Mushtukov, Alexander A., additional, Pavlov, George G., additional, Ramsey, Brian D., additional, Rankin, John, additional, Santangelo, Andrea, additional, Soffitta, Paolo, additional, Staubert, Rüdiger, additional, Weisskopf, Martin C., additional, Zane, Silvia, additional, Agudo, Iván, additional, Antonelli, Lucio A., additional, Baldini, Luca, additional, Baumgartner, Wayne H., additional, Bellazzini, Ronaldo, additional, Bianchi, Stefano, additional, Bongiorno, Stephen D., additional, Bonino, Raffaella, additional, Brez, Alessandro, additional, Bucciantini, Niccolò, additional, Capitanio, Fiamma, additional, Castellano, Simone, additional, Cavazzuti, Elisabetta, additional, Ciprini, Stefano, additional, De Rosa, Alessandra, additional, Del Monte, Ettore, additional, Di Gesu, Laura, additional, Di Lalla, Niccolò, additional, Donnarumma, Immacolata, additional, Dovčiak, Michal, additional, Ehlert, Steven R., additional, Enoto, Teruaki, additional, Evangelista, Yuri, additional, Fabiani, Sergio, additional, Ferrazzoli, Riccardo, additional, Garcia, Javier A., additional, Gunji, Shuichi, additional, Hayashida, Kiyoshi, additional, Iwakiri, Wataru, additional, Jorstad, Svetlana G., additional, Karas, Vladimir, additional, Kitaguchi, Takao, additional, Kolodziejczak, Jeffery J., additional, Krawczynski, Henric, additional, Latronico, Luca, additional, Liodakis, Ioannis, additional, Maldera, Simone, additional, Manfreda, Alberto, additional, Marin, Frédéric, additional, Marinucci, Andrea, additional, Marscher, Alan P., additional, Marshall, Herman L., additional, Matt, Giorgio, additional, Mitsuishi, Ikuyuki, additional, Mizuno, Tsunefumi, additional, Ng, Chi-Yung, additional, O’Dell, Stephen L., additional, Omodei, Nicola, additional, Oppedisano, Chiara, additional, Papitto, Alessandro, additional, Peirson, Abel L., additional, Perri, Matteo, additional, Pesce-Rollins, Melissa, additional, Pilia, Maura, additional, Possenti, Andrea, additional, Puccetti, Simonetta, additional, Ratheesh, Ajay, additional, Romani, Roger W., additional, Sgrò, Carmelo, additional, Slane, Patrick, additional, Spandre, Gloria, additional, Sunyaev, Rashid A., additional, Tamagawa, Toru, additional, Tavecchio, Fabrizio, additional, Taverna, Roberto, additional, Tawara, Yuzuru, additional, Tennant, Allyn F., additional, Thomas, Nicolas E., additional, Tombesi, Francesco, additional, Trois, Alessio, additional, Turolla, Roberto, additional, Vink, Jacco, additional, Wu, Kinwah, additional, and Xie, Fei, additional
Published: 2022
Full Text: View/download PDF

200. X-Ray Polarization Detection of Cassiopeia A with IXPE

Author: Vink, Jacco, primary, Prokhorov, Dmitry, additional, Ferrazzoli, Riccardo, additional, Slane, Patrick, additional, Zhou, Ping, additional, Asakura, Kazunori, additional, Baldini, Luca, additional, Bucciantini, Niccoló, additional, Costa, Enrico, additional, Di Marco, Alessandro, additional, Heyl, Jeremy, additional, Marin, Frédéric, additional, Mizuno, Tsunefumi, additional, Ng, C.-Y., additional, Pesce-Rollins, Melissa, additional, Ramsey, Brian D., additional, Rankin, John, additional, Ratheesh, Ajay, additional, Sgró, Carmelo, additional, Soffitta, Paolo, additional, Swartz, Douglas A., additional, Tamagawa, Toru, additional, Weisskopf, Martin C., additional, Yang, Yi-Jung, additional, Bellazzini, Ronaldo, additional, Bonino, Raffaella, additional, Cavazzuti, Elisabetta, additional, Costamante, Luigi, additional, Di Lalla, Niccoló, additional, Latronico, Luca, additional, Maldera, Simone, additional, Manfreda, Alberto, additional, Massaro, Francesco, additional, Mitsuishi, Ikuyuki, additional, Omodei, Nicola, additional, Oppedisano, Chiara, additional, Zane, Silvia, additional, Agudo, Ivan, additional, Antonelli, Lucio A., additional, Bachetti, Matteo, additional, Baumgartner, Wayne H., additional, Bianchi, Stefano, additional, Bongiorno, Stephen D., additional, Brez, Alessandro, additional, Capitanio, Fiamma, additional, Castellano, Simone, additional, Ciprini, Stefano, additional, Rosa, Alessandra De, additional, Del Monte, Ettore, additional, Gesu, Laura Di, additional, Donnarumma, Immacolata, additional, Doroshenko, Victor, additional, Dovčiak, Michal, additional, Ehlert, Steven R., additional, Enoto, Teruaki, additional, Evangelista, Yuri, additional, Fabiani, Sergio, additional, Garcia, Javier A., additional, Gunji, Shuichi, additional, Hayashida, Kiyoshi, additional, Iwakiri, Wataru, additional, Jorstad, Svetlana G., additional, Karas, Vladimir, additional, Kitaguchi, Takao, additional, Kolodziejczak, Jeffery J., additional, Krawczynski, Henric, additional, La Monaca, Fabio, additional, Liodakis, Ioannis, additional, Marinucci, Andrea, additional, Marscher, Alan P., additional, Marshall, Herman L., additional, Matt, Giorgio, additional, Muleri, Fabio, additional, O’Dell, Stephen L., additional, Papitto, Alessandro, additional, Pavlov, George G., additional, Peirson, Abel L., additional, Perri, Matteo, additional, Pilia, Maura, additional, Possenti, Andrea, additional, Poutanen, Juri, additional, Puccetti, Simonetta, additional, Romani, Roger W., additional, Spandre, Gloria, additional, Tavecchio, Fabrizio, additional, Taverna, Roberto, additional, Tawara, Yuzuru, additional, Tennant, Allyn F., additional, Thomas, Nicolas E., additional, Tombesi, Francesco, additional, Trois, Alessio, additional, Tsygankov, Sergey, additional, Turolla, Roberto, additional, Wu, Kinwah, additional, and Xie, Fei, additional
Published: 2022
Full Text: View/download PDF

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