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Start Over Author "A. Zavagno" Journal monthly notices of the royal astronomical society
15 results on '"A. Zavagno"'

1. Understanding the relative importance of magnetic field, gravity, and turbulence in star formation at the hub of the giant molecular cloud G148.24+00.41

Author

Rawat, Vineet, primary, Samal, M R, additional, Eswaraiah, Chakali, additional, Wang, Jia-Wei, additional, Elia, Davide, additional, Panigrahy, Sandhyarani, additional, Zavagno, A, additional, Yadav, R K, additional, Walker, D L, additional, Jose, J, additional, Ojha, D K, additional, Zhang, C P, additional, and Dutta, S, additional

Published
2024
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3. The Hi-GAL catalogue of dusty filamentary structures in the Galactic plane

Author

Eugenio Schisano, S Molinari, D Elia, M Benedettini, L Olmi, S Pezzuto, A Traficante, M Brescia, S Cavuoti, A M di Giorgio, S J Liu, T J T Moore, A Noriega-Crespo, G Riccio, A Baldeschi, U Becciani, N Peretto, M Merello, F Vitello, A Zavagno, M T Beltrán, L Cambrésy, D J Eden, G Li Causi, M Molinaro, P Palmeirim, E Sciacca, L Testi, G Umana, and A P Whitworth

Published
2019
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5. ATOMS: ALMA three-millimeter observations of massive star-forming regions – XIII. Ongoing triggered star formation within clump-fed scenario found in the massive (∼1500 M⨀) clump

Author

Zhang, Siju, primary, Wang, Ke, additional, Liu, Tie, additional, Zavagno, Annie, additional, Juvela, Mika, additional, Liu, Hongli, additional, Tej, Anandmayee, additional, Stutz, Amelia M, additional, Li, Shanghuo, additional, Bronfman, Leonardo, additional, Zhang, Qizhou, additional, Goldsmith, Paul F, additional, Lee, Chang Won, additional, Vázquez-Semadeni, Enrique, additional, Tatematsu, Ken’ichi, additional, Jiao, Wenyu, additional, Xu, Fengwei, additional, Wang, Chao, additional, and Zhou, Jian-Wen, additional

Published
2023
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6. ATOMS: ALMA three-millimeter observations of massive star-forming regions – XIII. Ongoing triggered star formation within clump-fed scenario found in the massive (∼1500 M⨀) clump.

Author

Zhang, Siju, Wang, Ke, Liu, Tie, Zavagno, Annie, Juvela, Mika, Liu, Hongli, Tej, Anandmayee, Stutz, Amelia M, Li, Shanghuo, Bronfman, Leonardo, Zhang, Qizhou, Goldsmith, Paul F, Lee, Chang Won, Vázquez-Semadeni, Enrique, Tatematsu, Ken'ichi, Jiao, Wenyu, Xu, Fengwei, Wang, Chao, and Zhou, Jian-Wen

Subjects
STAR formation, SUPERGIANT stars, IONIZED gases, IONIZING radiation, GAS flow, PROTOSTARS
Abstract

Whether ionization feedback triggers the formation of massive stars is highly debated. Using ALMA 3-mm observations with a spatial resolution of ∼0.05 pc and a mass sensitivity of 1.1  |$\rm M_\odot$|  per beam at 20 K, we investigate the star formation and gas flow structures within the ionizing feedback-driven structure, a clump-scale massive (≳ 1500  |$\rm M_\odot$|⁠) bright-rimmed cloud (BRC) associated with IRAS 18290–0924. This BRC is bound only if external compression from ionized gas is considered. A small-scale (≲ 1 pc) age sequence along the direction of ionizing radiation is revealed for the embedded cores and protostars, which suggests triggered star formation via radiation-driven implosion (RDI). Furthermore, filamentary gas structures converge towards the cores located in the BRC's centre, indicating that these filaments are fueling mass towards cores. The local core-scale mass infall rate derived from H13CO+  J  = 1 − 0 blue profile is of the same order of magnitude as the filamentary mass inflow rate, approximately 1  |$\rm M_\odot$|  kyr−1. A photodissociation region (PDR) covering the irradiated clump surface is detected in several molecules, such as CCH, HCO+, and CS whereas the spatial distribution stratification of these molecules is indistinct. CCH spectra of the PDR possibly indicate a photoevaporation flow leaving the clump surface with a projected velocity of ∼2 km s−1. Our new observations show that RDI accompanied by a clump-fed process is operating in this massive BRC. Whether this combined process works in other massive BRCs is worth exploring with dedicated surveys. [ABSTRACT FROM AUTHOR]

Published
2023
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7. The Hi-GAL compact source catalogue – II. The 360° catalogue of clump physical properties

Author

Elia, Davide, primary, Merello, M, additional, Molinari, S, additional, Schisano, E, additional, Zavagno, A, additional, Russeil, D, additional, Mège, P, additional, Martin, P G, additional, Olmi, L, additional, Pestalozzi, M, additional, Plume, R, additional, Ragan, S E, additional, Benedettini, M, additional, Eden, D J, additional, Moore, T J T, additional, Noriega-Crespo, A, additional, Paladini, R, additional, Palmeirim, P, additional, Pezzuto, S, additional, Pilbratt, G L, additional, Rygl, K L J, additional, Schilke, P, additional, Strafella, F, additional, Tan, J C, additional, Traficante, A, additional, Baldeschi, A, additional, Bally, J, additional, Giorgio, A M di, additional, Fiorellino, E, additional, Liu, S J, additional, Piazzo, L, additional, and Polychroni, D, additional

Published
2021
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8. The SEDIGISM survey: molecular clouds in the inner Galaxy

Author

Duarte-Cabral, A, primary, Colombo, D, additional, Urquhart, J S, additional, Ginsburg, A, additional, Russeil, D, additional, Schuller, F, additional, Anderson, L D, additional, Barnes, P J, additional, Beltrán, M T, additional, Beuther, H, additional, Bontemps, S, additional, Bronfman, L, additional, Csengeri, T, additional, Dobbs, C L, additional, Eden, D, additional, Giannetti, A, additional, Kauffmann, J, additional, Mattern, M, additional, Medina, S-N X, additional, Menten, K M, additional, Lee, M-Y, additional, Pettitt, A R, additional, Riener, M, additional, Rigby, A J, additional, Traficante, A, additional, Veena, V S, additional, Wienen, M, additional, Wyrowski, F, additional, Agurto, C, additional, Azagra, F, additional, Cesaroni, R, additional, Finger, R, additional, Gonzalez, E, additional, Henning, T, additional, Hernandez, A K, additional, Kainulainen, J, additional, Leurini, S, additional, Lopez, S, additional, Mac-Auliffe, F, additional, Mazumdar, P, additional, Molinari, S, additional, Motte, F, additional, Muller, E, additional, Nguyen-Luong, Q, additional, Parra, R, additional, Perez-Beaupuits, J-P, additional, Montenegro-Montes, F M, additional, Moore, T J T, additional, Ragan, S E, additional, Sánchez-Monge, A, additional, Sanna, A, additional, Schilke, P, additional, Schisano, E, additional, Schneider, N, additional, Suri, S, additional, Testi, L, additional, Torstensson, K, additional, Venegas, P, additional, Wang, K, additional, and Zavagno, A, additional

Published
2020
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9. The SEDIGISM survey: First Data Release and overview of the Galactic structure

Author

Schuller, F, primary, Urquhart, J S, additional, Csengeri, T, additional, Colombo, D, additional, Duarte-Cabral, A, additional, Mattern, M, additional, Ginsburg, A, additional, Pettitt, A R, additional, Wyrowski, F, additional, Anderson, L, additional, Azagra, F, additional, Barnes, P, additional, Beltran, M, additional, Beuther, H, additional, Billington, S, additional, Bronfman, L, additional, Cesaroni, R, additional, Dobbs, C, additional, Eden, D, additional, Lee, M-Y, additional, Medina, S-N X, additional, Menten, K M, additional, Moore, T, additional, Montenegro-Montes, F M, additional, Ragan, S, additional, Rigby, A, additional, Riener, M, additional, Russeil, D, additional, Schisano, E, additional, Sanchez-Monge, A, additional, Traficante, A, additional, Zavagno, A, additional, Agurto, C, additional, Bontemps, S, additional, Finger, R, additional, Giannetti, A, additional, Gonzalez, E, additional, Hernandez, A K, additional, Henning, T, additional, Kainulainen, J, additional, Kauffmann, J, additional, Leurini, S, additional, Lopez, S, additional, Mac-Auliffe, F, additional, Mazumdar, P, additional, Molinari, S, additional, Motte, F, additional, Muller, E, additional, Nguyen-Luong, Q, additional, Parra, R, additional, Perez-Beaupuits, J-P, additional, Schilke, P, additional, Schneider, N, additional, Suri, S, additional, Testi, L, additional, Torstensson, K, additional, Veena, V S, additional, Venegas, P, additional, Wang, K, additional, and Wienen, M, additional

Published
2020
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10. The accretion history of high-mass stars: an ArTéMiS pilot study of infrared dark clouds

Author

Peretto, N, primary, Rigby, A, primary, André, Ph, primary, Könyves, V, primary, Fuller, G, primary, Zavagno, A, primary, Schuller, F, primary, Arzoumanian, D, primary, Bontemps, S, primary, Csengeri, T, primary, Didelon, P, primary, Duarte-Cabral, A, primary, Palmeirim, P, primary, Pezzuto, S, primary, Revéret, V, primary, Roussel, H, primary, and Shimajiri, Y, primary

Published
2020
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11. The Hi-GAL catalogue of dusty filamentary structures in the Galactic plane

Author

Schisano, Eugenio, primary, Molinari, S, additional, Elia, D, additional, Benedettini, M, additional, Olmi, L, additional, Pezzuto, S, additional, Traficante, A, additional, Brescia, M, additional, Cavuoti, S, additional, di Giorgio, A M, additional, Liu, S J, additional, Moore, T J T, additional, Noriega-Crespo, A, additional, Riccio, G, additional, Baldeschi, A, additional, Becciani, U, additional, Peretto, N, additional, Merello, M, additional, Vitello, F, additional, Zavagno, A, additional, Beltrán, M T, additional, Cambrésy, L, additional, Eden, D J, additional, Li Causi, G, additional, Molinaro, M, additional, Palmeirim, P, additional, Sciacca, E, additional, Testi, L, additional, Umana, G, additional, and Whitworth, A P, additional

Published
2019
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12. SCOPE: SCUBA-2 Continuum Observations of Pre-protostellar Evolution – survey description and compact source catalogue

Author

Eden, D J, primary, Liu, Tie, additional, Kim, Kee-Tae, additional, Juvela, M, additional, Liu, S-Y, additional, Tatematsu, K, additional, Francesco, J. Di, additional, Wang, K, additional, Wu, Y, additional, Thompson, M A, additional, Fuller, G A, additional, Li, Di, additional, Ristorcelli, I, additional, Kang, Sung-ju, additional, Hirano, N, additional, Johnstone, D, additional, Lin, Y, additional, He, J H, additional, Koch, P M, additional, Sanhueza, Patricio, additional, Qin, S-L, additional, Zhang, Q, additional, Goldsmith, P F, additional, Evans, N J, additional, Yuan, J, additional, Zhang, C-P, additional, White, G J, additional, Choi, Minho, additional, Lee, Chang Won, additional, Toth, L V, additional, Mairs, S, additional, Yi, H-W, additional, Tang, M, additional, Soam, A, additional, Peretto, N, additional, Samal, M R, additional, Fich, M, additional, Parsons, H, additional, Malinen, J, additional, Bendo, G J, additional, Rivera-Ingraham, A, additional, Liu, H-L, additional, Wouterloot, J, additional, Li, P S, additional, Qian, L, additional, Rawlings, J, additional, Rawlings, M G, additional, Feng, S, additional, Wang, B, additional, Li, Dalei, additional, Liu, M, additional, Luo, G, additional, Marston, A P, additional, Pattle, K M, additional, Pelkonen, V-M, additional, Rigby, A J, additional, Zahorecz, S, additional, Zhang, G, additional, Bőgner, R, additional, Aikawa, Y, additional, Akhter, S, additional, Alina, D, additional, Bell, G, additional, Bernard, J-P, additional, Blain, A, additional, Bronfman, L, additional, Byun, D-Y, additional, Chapman, S, additional, Chen, H-R, additional, Chen, M, additional, Chen, W-P, additional, Chen, X, additional, Chen, Xuepeng, additional, Chrysostomou, A, additional, Chu, Y-H, additional, Chung, E J, additional, Cornu, D, additional, Cosentino, G, additional, Cunningham, M R, additional, Demyk, K, additional, Drabek-Maunder, E, additional, Doi, Y, additional, Eswaraiah, C, additional, Falgarone, E, additional, Fehér, O, additional, Fraser, H, additional, Friberg, P, additional, Garay, G, additional, Ge, J X, additional, Gear, W K, additional, Greaves, J, additional, Guan, X, additional, Harvey-Smith, L, additional, Hasegawa, T, additional, He, Y, additional, Henkel, C, additional, Hirota, T, additional, Holland, W, additional, Hughes, A, additional, Jarken, E, additional, Ji, T-G, additional, Jimenez-Serra, I, additional, Kang, M, additional, Kawabata, K S, additional, Kim, Gwanjeong, additional, Kim, Jungha, additional, Kim, Jongsoo, additional, Kim, S, additional, Koo, B-C, additional, Kwon, Woojin, additional, Kuan, Y-J, additional, Lacaille, K M, additional, Lai, S-P, additional, Lee, C F, additional, Lee, J-E, additional, Lee, Y-U, additional, Li, H, additional, Lo, N, additional, Lopez, J A P, additional, Lu, X, additional, Lyo, A-R, additional, Mardones, D, additional, McGehee, P, additional, Meng, F, additional, Montier, L, additional, Montillaud, J, additional, Moore, T J T, additional, Morata, O, additional, Moriarty-Schieven, G H, additional, Ohashi, S, additional, Pak, S, additional, Park, Geumsook, additional, Paladini, R, additional, Pech, G, additional, Qiu, K, additional, Ren, Z-Y, additional, Richer, J, additional, Sakai, T, additional, Shang, H, additional, Shinnaga, H, additional, Stamatellos, D, additional, Tang, Y-W, additional, Traficante, A, additional, Vastel, C, additional, Viti, S, additional, Walsh, A, additional, Wang, H, additional, Wang, J, additional, Ward-Thompson, D, additional, Whitworth, A, additional, Wilson, C D, additional, Xu, Y, additional, Yang, J, additional, Yuan, Y-L, additional, Yuan, L, additional, Zavagno, A, additional, Zhang, C, additional, Zhang, H-W, additional, Zhou, C, additional, Zhou, J, additional, Zhu, L, additional, and Zuo, P, additional

Published
2019
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13. The Hi-GAL catalogue of dusty filamentary structures in the Galactic plane.

Author

Schisano, Eugenio, Molinari, S, Elia, D, Benedettini, M, Olmi, L, Pezzuto, S, Traficante, A, Brescia, M, Cavuoti, S, di Giorgio, A M, Liu, S J, Moore, T J T, Noriega-Crespo, A, Riccio, G, Baldeschi, A, Becciani, U, Peretto, N, Merello, M, Vitello, F, and Zavagno, A

Subjects
MOLECULAR clouds, MILKY Way, STAR formation, CATALOGS, FIBERS
Abstract

The recent data collected by Herschel have confirmed that interstellar structures with a filamentary shape are ubiquitously present in the Milky Way. Filaments are thought to be formed by several physical mechanisms acting from large Galactic scales down to subparsec fractions of molecular clouds, and they might represent a possible link between star formation and the large-scale structure of the Galaxy. In order to study this potential link, a statistically significant sample of filaments spread throughout the Galaxy is required. In this work, we present the first catalogue of 32 059 candidate filaments automatically identified in the Herschel Infrared Galactic plane Survey (Hi-GAL) of the entire Galactic plane. For these objects, we determined morphological (length l a and geometrical shape) and physical (average column density |$N_{\rm H_{2}}$| and average temperature T) properties. We identified filaments with a wide range of properties: 2 ≤ l a ≤ 100 arcmin, |$10^{20} \le N_{\rm H_{2}} \le 10^{23}$|  cm−2 and 10 ≤ T ≤ 35 K. We discuss their association with the Hi-GAL compact sources, finding that the most tenuous (and stable) structures do not host any major condensation. We also assign a distance to ∼18 400 filaments, for which we determine mass, physical size, stability conditions and Galactic distribution. When compared with the spiral arms structure, we find no significant difference between the physical properties of on-arm and inter-arm filaments. We compare our sample with previous studies, finding that our Hi-GAL filament catalogue represents a significant extension in terms of Galactic coverage and sensitivity. This catalogue represents a unique and important tool for future studies devoted to understanding the filament life-cycle. [ABSTRACT FROM AUTHOR]

Published
2020
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14. The Hi-GAL compact source catalogue – I. The physical properties of the clumps in the inner Galaxy (−71$_{.}^{\circ}$0 < ℓ < 67$_{.}^{\circ}$0)

Author

Elia, Davide, primary, Molinari, S., additional, Schisano, E., additional, Pestalozzi, M., additional, Pezzuto, S., additional, Merello, M., additional, Noriega-Crespo, A., additional, Moore, T. J. T., additional, Russeil, D., additional, Mottram, J. C., additional, Paladini, R., additional, Strafella, F., additional, Benedettini, M., additional, Bernard, J. P., additional, Di Giorgio, A., additional, Eden, D. J., additional, Fukui, Y., additional, Plume, R., additional, Bally, J., additional, Martin, P. G., additional, Ragan, S. E., additional, Jaffa, S. E., additional, Motte, F., additional, Olmi, L., additional, Schneider, N., additional, Testi, L., additional, Wyrowski, F., additional, Zavagno, A., additional, Calzoletti, L., additional, Faustini, F., additional, Natoli, P., additional, Palmeirim, P., additional, Piacentini, F., additional, Piazzo, L., additional, Pilbratt, G. L., additional, Polychroni, D., additional, Baldeschi, A., additional, Beltrán, M. T., additional, Billot, N., additional, Cambrésy, L., additional, Cesaroni, R., additional, García-Lario, P., additional, Hoare, M. G., additional, Huang, M., additional, Joncas, G., additional, Liu, S. J., additional, Maiolo, B. M. T., additional, Marsh, K. A., additional, Maruccia, Y., additional, Mège, P., additional, Peretto, N., additional, Rygl, K. L. J., additional, Schilke, P., additional, Thompson, M. A., additional, Traficante, A., additional, Umana, G., additional, Veneziani, M., additional, Ward-Thompson, D., additional, Whitworth, A. P., additional, Arab, H., additional, Bandieramonte, M., additional, Becciani, U., additional, Brescia, M., additional, Buemi, C., additional, Bufano, F., additional, Butora, R., additional, Cavuoti, S., additional, Costa, A., additional, Fiorellino, E., additional, Hajnal, A., additional, Hayakawa, T., additional, Kacsuk, P., additional, Leto, P., additional, Li Causi, G., additional, Marchili, N., additional, Martinavarro-Armengol, S., additional, Mercurio, A., additional, Molinaro, M., additional, Riccio, G., additional, Sano, H., additional, Sciacca, E., additional, Tachihara, K., additional, Torii, K., additional, Trigilio, C., additional, Vitello, F., additional, and Yamamoto, H., additional

Published
2017
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15. The Hi-GAL compact source catalogue – II. The 360° catalogue of clump physical properties

Author

Stefano Pezzuto, Sarah Ragan, Kazi L.J. Rygl, Alberto Noriega-Crespo, Lorenzo Piazzo, Luca Olmi, David Eden, Alessio Traficante, Göran Pilbratt, Peter Schilke, Jonathan C. Tan, A. Baldeschi, Rene Plume, P. Palmeirim, Annie Zavagno, Roberta Paladini, M. Benedettini, John Bally, D. Russeil, E. Fiorellino, M. R. Pestalozzi, Peter G. Martin, Davide Elia, Sergio Molinari, D. Polychroni, Manuel Merello, S. J. Liu, A. M. di Giorgio, Toby J. T. Moore, P. Mège, Francesco Strafella, Eugenio Schisano, Elia, D., Merello, M., Molinari, S., Schisano, E., Zavagno, A., Russeil, D., Mege, P., Martin, P. G., Olmi, L., Pestalozzi, M., Plume, R., Ragan, S. E., Benedettini, M., Eden, D. J., Moore, T. J. T., Noriega-Crespo, A., Paladini, R., Palmeirim, P., Pezzuto, S., Pilbratt, G. L., Rygl, K. L. J., Schilke, P., Strafella, F., Tan, J. C., Traficante, A., Baldeschi, A., Bally, J., Giorgio, A. M. D., Fiorellino, E., Liu, S. J., Piazzo, L., Polychroni, D., Department of Physics and Astronomy [Calgary], University of Calgary, Istituto di Astrofisica e Planetologia Spaziali - INAF (IAPS), Istituto Nazionale di Astrofisica (INAF), Space Telescope Science Institute (STSci), Centre d'étude spatiale des rayonnements (CESR), Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Midi-Pyrénées (OMP), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS), Universidade do Porto = University of Porto, INAF - Osservatorio Astronomico di Roma (OAR), Universität zu Köln = University of Cologne, European Southern Observatory (ESO), Università degli Studi di Roma Tor Vergata [Roma], Departamento de Astronomia (DAS), Laboratoire d'Astrophysique de Marseille (LAM), and Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Stars: formation, Extinction (astronomy), cloud [ISM], FOS: Physical sciences, Astrophysics::Cosmology and Extragalactic Astrophysics, Astrophysics, ISM: clouds, 01 natural sciences, Luminosity, Photometry (optics), 0103 physical sciences, Astrophysics::Solar and Stellar Astrophysics, ISM [submillimeter], 010303 astronomy & astrophysics, Astrophysics::Galaxy Astrophysics, formation [Stars], infrared: ISM, Physics, Spiral galaxy, extinction, 010308 nuclear & particles physics, Star formation, local interstellar matter, ISM [infrared], Astronomy and Astrophysics, Galactic plane, Astrophysics - Astrophysics of Galaxies, Galaxy, [SDU]Sciences of the Universe [physics], Space and Planetary Science, Astrophysics of Galaxies (astro-ph.GA), submillimeter: ISM, Spectral energy distribution, dust, dust, extinction
Abstract

We present the $360^\circ$ catalogue of physical properties of Hi-GAL compact sources, detected between 70 and 500 $\mu$m. This release not only completes the analogous catalogue previously produced by the Hi-GAL collaboration for $-71^\circ \lesssim \ell \lesssim 67^\circ$, but also meaningfully improves it thanks to a new set of heliocentric distances, 120808 in total. About a third of the 150223 entries are located in the newly added portion of the Galactic plane. A first classification based on detection at 70 $\mu$m as a signature of ongoing star-forming activity distinguishes between protostellar sources (23~per cent of the total) and starless sources, with the latter further classified as gravitationally bound (pre-stellar) or unbound. The integral of the spectral energy distribution, including ancillary photometry from $\lambda=21$ to 1100 $\mu$m, gives the source luminosity and other bolometric quantities, while a modified black body fitted to data for $\lambda \geq 160\, \mu$m yields mass and temperature. All tabulated clump properties are then derived using photometry and heliocentric distance, where possible. Statistics of these quantities are discussed with respect to both source Galactic location and evolutionary stage. No strong differences in the distributions of evolutionary indicators are found between the inner and outer Galaxy. However, masses and densities in the inner Galaxy are on average significantly larger, resulting in a higher number of clumps that are candidates to host massive star formation. Median behaviour of distance-independent parameters tracing source evolutionary status is examined as a function of the Galactocentric radius, showing no clear evidence of correlation with spiral arm positions., Comment: accepted by MNRAS, april 2021

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