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201. Evidence for Multiple Ferrel‐Like Cells on Jupiter

Author

Duer, Keren, primary, Gavriel, Nimrod, additional, Galanti, Eli, additional, Kaspi, Yohai, additional, Fletcher, Leigh N., additional, Guillot, Tristan, additional, Bolton, Scott J., additional, Levin, Steven M., additional, Atreya, Sushil K., additional, Grassi, Davide, additional, Ingersoll, Andrew P., additional, Li, Cheng, additional, Li, Liming, additional, Lunine, Jonathan I., additional, Orton, Glenn S., additional, Oyafuso, Fabiano A., additional, and Waite, J. Hunter, additional

Published
2021
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202. The depth of Jupiter’s Great Red Spot constrained by Juno gravity overflights

Author

Parisi, Marzia, primary, Kaspi, Yohai, additional, Galanti, Eli, additional, Durante, Daniele, additional, Bolton, Scott J., additional, Levin, Steven M., additional, Buccino, Dustin R., additional, Fletcher, Leigh N., additional, Folkner, William M., additional, Guillot, Tristan, additional, Helled, Ravit, additional, Iess, Luciano, additional, Li, Cheng, additional, Oudrhiri, Kamal, additional, and Wong, Michael H., additional

Published
2021
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205. Constraints on the Latitudinal Profile of Jupiter's Deep Jets

Author

Galanti, Eli, Kaspi, Yohai, Duer, Keren, Fletcher, Leigh, Ingersoll, Andrew P., Li, Cheng, Orton, Glenn S., Guillot, Tristan, Levin, Steven M., Bolton, Scott J., Joseph Louis LAGRANGE (LAGRANGE), Université Côte d'Azur (UCA)-Université Nice Sophia Antipolis (... - 2019) (UNS), COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Observatoire de la Côte d'Azur, and COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Université Côte d'Azur (UCA)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Earth and Planetary Astrophysics (astro-ph.EP), Gravity (chemistry), 010504 meteorology & atmospheric sciences, [SDU.ASTR.SR]Sciences of the Universe [physics]/Astrophysics [astro-ph]/Solar and Stellar Astrophysics [astro-ph.SR], [SDU.ASTR.EP]Sciences of the Universe [physics]/Astrophysics [astro-ph]/Earth and Planetary Astrophysics [astro-ph.EP], Astronomy, FOS: Physical sciences, 010502 geochemistry & geophysics, 01 natural sciences, Jupiter, Geophysics, Gravitational field, Planet, 13. Climate action, Physics::Space Physics, General Earth and Planetary Sciences, Astrophysics::Earth and Planetary Astrophysics, Physics::Atmospheric and Oceanic Physics, Geology, ComputingMilieux_MISCELLANEOUS, 0105 earth and related environmental sciences, Astrophysics - Earth and Planetary Astrophysics
Abstract

The observed zonal winds at Jupiter's cloud tops have been shown to be closely linked to the asymmetric part of the planet's measured gravity field. However, other measurements suggest that in some latitudinal regions the flow below the clouds might be somewhat different from the observed cloud-level winds. Here we show, using both the symmetric and asymmetric parts of the measured gravity field, that the observed cloud-level wind profile between 25$^{\circ}$S and 25$^{\circ}$N must extend unaltered to depths of thousands of kilometers. Poleward, the midlatitude deep jets also contribute to the gravity signal, but might differ somewhat from the cloud-level winds. We analyze the likelihood of this difference and give bounds to its strength. We also find that to match the gravity measurements, the winds must project inward in the direction parallel to Jupiter's spin axis, and that their decay inward should be in the radial direction.

Published
2021
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206. Equation of State

Author

Guillot, Tristan, Gargaud, Muriel, editor, Amils, Ricardo, editor, Quintanilla, José Cernicharo, editor, Cleaves, Henderson James (Jim), II, editor, Irvine, William M., editor, Pinti, Daniele L., editor, and Viso, Michel, editor

Published
2011
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207. An imprint of planet formation in the deep interior of the Sun

Author

Kunitomo, Masanobu, Guillot, Tristan, and Wolk, Scott

Subjects
The Sun and the Heliosphere, Astrophysics::Solar and Stellar Astrophysics, Astrophysics::Earth and Planetary Astrophysics
Abstract

Our goal is to determine whether processes that led to the formation of planets in the solar system may have left an observational signature in the Sun's composition. We calculate the evolution of the Sun from the protostellar phase to the present age. We perform chi-squared tests to optimize our input parameters (mixing length, overshooting parameter, initial compositions, the parameters for the opacity increase, and the evolution of accreting materials' composition) using spectroscopic and helioseismic constraints (i.e., effective temperature, luminosity, surface composition, convective envelope thickness, and sound speed profile). We first determine which classes of models best reproduce the observational constraints. We then account for variations of the composition of accreted gas and compare the resulting internal compositions obtained for the present-day Sun. We find that solar models best matching all available constraints require an opacity increase of 12 to 18% centered on 2.5 million K, slightly higher but qualitatively in good agreement with measurements of higher Fe opacities by Bailey et al. (2015). During the planet formation phase, the accretion of dust into pebbles and their inward drift leads to a temporary ``pebble wave'' of increased metallicity. It is followed by metal-poor accretion due to exhaustion of solids in the disk and the formation of planetesimals and planets. Because this lasts only for a few million years, we find that most of the signature of this phase is erased by the initially large solar convective zone. However, we find that the metallicity of the solar core (inner 20% in radius) is enhanced by up to 5%. This may be tested from an accurate measurement of the solar neutrino flux., {"references":["Kunitomo et al. (2018), A&A, 618, A132","Kunitomo et al. (2017), A&A, 599, A49","Asplund et al. (2009), ARA&A, 47, 481","Grevesse & Sauval (1998), Space Sci. Rev., 85, 161","Serenelli et al. (2011), ApJ, 743, 24","Bailey et al. (2015), Nature, 517, 56","Paxton et al. (2011), ApJS, 192, 3"]}

Published
2021
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208. TOI-1231 b: A Temperate, Neptune-sized Planet Transiting the Nearby M3 Dwarf NLTT 24399

Author

Burt, Jennifer A., primary, Dragomir, Diana, additional, Mollière, Paul, additional, Youngblood, Allison, additional, García Muñoz, Antonio, additional, McCann, John, additional, Kreidberg, Laura, additional, Huang, Chelsea X., additional, Collins, Karen A., additional, Eastman, Jason D., additional, Abe, Lyu, additional, Almenara, Jose M., additional, Crossfield, Ian J. M., additional, Ziegler, Carl, additional, Rodriguez, Joseph E., additional, Mamajek, Eric E., additional, Stassun, Keivan G., additional, Halverson, Samuel P., additional, Villanueva, Steven, additional, Butler, R. Paul, additional, Wang, Sharon Xuesong, additional, Schwarz, Richard P., additional, Ricker, George R., additional, Vanderspek, Roland, additional, Latham, David W., additional, Seager, S., additional, Winn, Joshua N., additional, Jenkins, Jon M., additional, Agabi, Abdelkrim, additional, Bonfils, Xavier, additional, Ciardi, David, additional, Cointepas, Marion, additional, Crane, Jeffrey D., additional, Crouzet, Nicolas, additional, Dransfield, Georgina, additional, Feng, Fabo, additional, Furlan, Elise, additional, Guillot, Tristan, additional, Gupta, Arvind F., additional, Howell, Steve B., additional, Jensen, Eric L. N., additional, Law, Nicholas, additional, Mann, Andrew W., additional, Marie-Sainte, Wenceslas, additional, Matson, Rachel A., additional, Matthews, Elisabeth C., additional, Mékarnia, Djamel, additional, Pepper, Joshua, additional, Scott, Nic, additional, Shectman, Stephen A., additional, Schlieder, Joshua E., additional, Schmider, François-Xavier, additional, Stevens, Daniel J., additional, Teske, Johanna K., additional, Triaud, Amaury H. M. J., additional, Charbonneau, David, additional, Berta-Thompson, Zachory K., additional, Burke, Christopher J., additional, Daylan, Tansu, additional, Barclay, Thomas, additional, Wohler, Bill, additional, and Brasseur, C. E., additional

Published
2021
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209. Populating the brown dwarf and stellar boundary: Five stars with transiting companions near the hydrogen-burning mass limit

Author

Grieves, Nolan, primary, Bouchy, François, additional, Lendl, Monika, additional, Carmichael, Theron, additional, Mireles, Ismael, additional, Shporer, Avi, additional, McLeod, Kim K., additional, Collins, Karen A., additional, Brahm, Rafael, additional, Stassun, Keivan G., additional, Gill, Sam, additional, Bouma, Luke G., additional, Guillot, Tristan, additional, Cointepas, Marion, additional, Dos Santos, Leonardo A., additional, Casewell, Sarah L., additional, Jenkins, Jon M., additional, Henning, Thomas, additional, Nielsen, Louise D., additional, Psaridi, Angelica, additional, Udry, Stéphane, additional, Ségransan, Damien, additional, Eastman, Jason D., additional, Zhou, George, additional, Abe, Lyu, additional, Agabi, Abelkrim, additional, Bakos, Gaspar, additional, Charbonneau, David, additional, Collins, Kevin I., additional, Colon, Knicole D., additional, Crouzet, Nicolas, additional, Dransfield, Georgina, additional, Evans, Phil, additional, Goeke, Robert F., additional, Hart, Rhodes, additional, Irwin, Jonathan M., additional, Jensen, Eric L. N., additional, Jordán, Andrés, additional, Kielkopf, John F., additional, Latham, David W., additional, Marie-Sainte, Wenceslas, additional, Mékarnia, Djamel, additional, Nelson, Peter, additional, Quinn, Samuel N., additional, Radford, Don J., additional, Rodriguez, David R., additional, Rowden, Pamela, additional, Schmider, François–Xavier, additional, Schwarz, Richard P., additional, Smith, Jeffrey C., additional, Stockdale, Chris, additional, Suarez, Olga, additional, Tan, Thiam-Guan, additional, Triaud, Amaury H. M. J., additional, Waalkes, William, additional, and Wingham, Geof, additional

Published
2021
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213. Uranus and Neptune are key to understand planets with hydrogen atmospheres.

Author

Guillot, Tristan

Subjects
PLANETARY atmospheres, URANUS (Planet), NEPTUNE (Planet), SOLAR system, ORIGIN of planets
Abstract

Uranus and Neptune are the last unexplored planets of the Solar System. I show that they hold crucial keys to understand the atmospheric dynamics and structure of planets with hydrogen atmospheres. Their atmospheres are active and storms are believed to be fueled by methane condensation which is both extremely abundant and occurs at low optical depth. This means that mapping temperature and methane abundance as a function of position and depth will inform us on how convection organizes in an atmosphere with no surface and condensates that are heavier than the surrounding air, a general feature of gas giants. Using this information will be essential to constrain the interior structure of Uranus and Neptune themselves, but also of Jupiter, Saturn, and numerous exoplanets with hydrogen atmospheres. Owing to the spatial and temporal variability of these atmospheres, an orbiter is required. A probe would provide a reference profile to lift ambiguities inherent to remote observations. It would also measure abundances of noble gases which can be used to reconstruct the history of planet formation in the Solar System. Finally, mapping the planets' gravity and magnetic fields will be essential to constrain their global composition, structure and evolution. [ABSTRACT FROM AUTHOR]

Published
2022
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216. Precise Transit and Radial-velocity Characterization of a Resonant Pair: The Warm Jupiter TOI-216c and Eccentric Warm Neptune TOI-216b

Author

Dawson, Rebekah I., Huang, Chelsea X., Brahm, Rafael, Collins, Karen A., Hobson, Melissa J., Jordan, Andres, Dong, Jiayin, Korth, Judith, Trifonov, Trifon, Abe, Lyu, Agabi, Abdelkrim, Bruni, Ivan, Butler, R. Paul, Barbieri, Mauro, Collins, Kevin I., Conti, Dennis M., Crane, Jeffrey D., Crouzet, Nicolas, Dransfield, Georgina, Evans, Phil, Espinoza, Nestor, Gan, Tianjun, Guillot, Tristan, Henning, Thomas, Lissauer, Jack J., Jensen, Eric L. N., Sainte, Wenceslas Marie, Mekarnia, Djamel, Myers, Gordon, Nandakumar, Sangeetha, Relles, Howard M., Sarkis, Paula, Torres, Pascal, Shectman, Stephen, Schmider, Francois-Xavier, Shporer, Avi, Stockdale, Chris, Teske, Johanna, Triaud, Amaury H. M. J., Wang, Sharon Xuesong, Ziegler, Carl, Ricker, G., Vanderspek, R., Latham, David W., Seager, S., Winn, J., Jenkins, Jon M., Bouma, L. G., Burt, Jennifer A., Charbonneau, David, Levine, Alan M., McDermott, Scott, McLean, Brian, Rose, Mark E., Vanderburg, Andrew, Wohler, Bill, Dawson, Rebekah I., Huang, Chelsea X., Brahm, Rafael, Collins, Karen A., Hobson, Melissa J., Jordan, Andres, Dong, Jiayin, Korth, Judith, Trifonov, Trifon, Abe, Lyu, Agabi, Abdelkrim, Bruni, Ivan, Butler, R. Paul, Barbieri, Mauro, Collins, Kevin I., Conti, Dennis M., Crane, Jeffrey D., Crouzet, Nicolas, Dransfield, Georgina, Evans, Phil, Espinoza, Nestor, Gan, Tianjun, Guillot, Tristan, Henning, Thomas, Lissauer, Jack J., Jensen, Eric L. N., Sainte, Wenceslas Marie, Mekarnia, Djamel, Myers, Gordon, Nandakumar, Sangeetha, Relles, Howard M., Sarkis, Paula, Torres, Pascal, Shectman, Stephen, Schmider, Francois-Xavier, Shporer, Avi, Stockdale, Chris, Teske, Johanna, Triaud, Amaury H. M. J., Wang, Sharon Xuesong, Ziegler, Carl, Ricker, G., Vanderspek, R., Latham, David W., Seager, S., Winn, J., Jenkins, Jon M., Bouma, L. G., Burt, Jennifer A., Charbonneau, David, Levine, Alan M., McDermott, Scott, McLean, Brian, Rose, Mark E., Vanderburg, Andrew, and Wohler, Bill

Abstract

TOI-216 hosts a pair of warm, large exoplanets discovered by the TESS mission. These planets were found to be in or near the 2:1 resonance, and both of them exhibit transit timing variations (TTVs). Precise characterization of the planets' masses and radii, orbital properties, and resonant behavior can test theories for the origins of planets orbiting close to their stars. Previous characterization of the system using the first six sectors of TESS data suffered from a degeneracy between planet mass and orbital eccentricity. Radial-velocity measurements using HARPS, FEROS, and the Planet Finder Spectrograph break that degeneracy, and an expanded TTV baseline from TESS and an ongoing ground-based transit observing campaign increase the precision of the mass and eccentricity measurements. We determine that TOI-216c is a warm Jupiter, TOI-216b is an eccentric warm Neptune, and that they librate in 2:1 resonance with a moderate libration amplitude of deg, a small but significant free eccentricity of for TOI-216b, and a small but significant mutual inclination of 12-39 (95% confidence interval). The libration amplitude, free eccentricity, and mutual inclination imply a disturbance of TOI-216b before or after resonance capture, perhaps by an undetected third planet.

Published
2021

218. Warm Jupiters in TESS Full-frame Images: A Catalog and Observed Eccentricity Distribution for Year 1

Author

Dong, Jiayin, primary, Huang, Chelsea X., additional, Dawson, Rebekah I., additional, Foreman-Mackey, Daniel, additional, Collins, Karen A., additional, Quinn, Samuel N., additional, Lissauer, Jack J., additional, Beatty, Thomas, additional, Quarles, Billy, additional, Sha, Lizhou, additional, Shporer, Avi, additional, Guo, Zhao, additional, Kane, Stephen R., additional, Abe, Lyu, additional, Barkaoui, Khalid, additional, Benkhaldoun, Zouhair, additional, Brahm, Rafael, additional, Bouchy, François, additional, Carmichael, Theron W., additional, Collins, Kevin I., additional, Conti, Dennis M., additional, Crouzet, Nicolas, additional, Dransfield, Georgina, additional, Evans, Phil, additional, Gan, Tianjun, additional, Ghachoui, Mourad, additional, Gillon, Michaël, additional, Grieves, Nolan, additional, Guillot, Tristan, additional, Hellier, Coel, additional, Jehin, Emmanuël, additional, Jensen, Eric L. N., additional, Jordán, Andres, additional, Kamler, Jacob, additional, Kielkopf, John F., additional, Mékarnia, Djamel, additional, Nielsen, Louise D., additional, Pozuelos, Francisco J., additional, Radford, Don J., additional, Schmider, François-Xavier, additional, Schwarz, Richard P., additional, Stockdale, Chris, additional, Tan, Thiam-Guan, additional, Timmermans, Mathilde, additional, Triaud, Amaury H. M. J., additional, Wang, Gavin, additional, Ricker, George, additional, Vanderspek, Roland, additional, Latham, David W., additional, Seager, Sara, additional, Winn, Joshua N., additional, Jenkins, Jon M., additional, Mireles, Ismael, additional, Yahalomi, Daniel A., additional, Morgan, Edward H., additional, Vezie, Michael, additional, Quintana, Elisa V., additional, Rose, Mark E., additional, Smith, Jeffrey C., additional, and Shiao, Bernie, additional

Published
2021
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219. Ariel planetary interiors White Paper

Author

Helled, Ravit, primary, Werner, Stephanie, additional, Dorn, Caroline, additional, Guillot, Tristan, additional, Ikoma, Masahiro, additional, Ito, Yuichi, additional, Kama, Mihkel, additional, Lichtenberg, Tim, additional, Miguel, Yamila, additional, Shorttle, Oliver, additional, Tackley, Paul J., additional, Valencia, Diana, additional, and Vazan, Allona, additional

Published
2021
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220. Jupiter's Temperate Belt/Zone Contrasts Revealed at Depth by Juno Microwave Observations

Author

Fletcher, Leigh N, primary, Oyafuso, Fabiano A, additional, Allison, Michael D, additional, Ingersoll, Andrew, additional, Li, Liming, additional, Kaspi, Yohai, additional, Galanti, Eli, additional, Wong, Mike H, additional, Orton, Glenn S, additional, Duer, Keren, additional, Zhang, Zhimeng, additional, Li, Cheng, additional, Guillot, Tristan, additional, Levin, Steven M., additional, and Bolton, Scott J, additional

Published
2021
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221. Juno spacecraft gravity measurements provide evidence for normal modes of Jupiter.

Author

Durante, Daniele, Guillot, Tristan, Iess, Luciano, Stevenson, David J., Mankovich, Christopher R., Markham, Steve, Galanti, Eli, Kaspi, Yohai, Zannoni, Marco, Gomez Casajus, Luis, Lari, Giacomo, Parisi, Marzia, Buccino, Dustin R., Park, Ryan S., and Bolton, Scott J.

Subjects
JUNO (Space probe), GRAVIMETRY, JUPITER (Planet), GRAVITATIONAL fields, ORIGIN of planets, ARTIFICIAL satellite tracking
Abstract

The Juno spacecraft has been collecting data to shed light on the planet's origin and characterize its interior structure. The onboard gravity science experiment based on X-band and Ka-band dual-frequency Doppler tracking precisely measured Jupiter's zonal gravitational field. Here, we analyze 22 Juno's gravity passes to investigate the gravity field. Our analysis provides evidence of new gravity field features, which perturb its otherwise axially symmetric structure with a time-variable component. We show that normal modes of the planet could explain the anomalous signatures present in the Doppler data better than other alternative explanations, such as localized density anomalies and non-axisymmetric components of the static gravity field. We explain Juno data by p-modes having an amplitude spectrum with a peak radial velocity of 10–50 cm/s at 900–1200 μHz (compatible with ground-based observations) and provide upper bounds on lower frequency f-modes (radial velocity smaller than 1 cm/s). The new Juno results could open the possibility of exploring the interior structure of the gas giants through measurements of the time-variable gravity or with onboard instrumentation devoted to the observation of normal modes, which could drive spacecraft operations of future missions. Juno spacecraft experienced unknown accelerations near the closest approach to Jupiter. Here, the authors show that Jupiter's axially symmetric, north-south asymmetric gravity field measured by Juno is perturbed by a time-variable component, associated to internal oscillations. [ABSTRACT FROM AUTHOR]

Published
2022
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223. Jupiter System Observatory at Sun-Jupiter Lagrangian Point One

Author

Hsu, Hsiang-Wen, primary, Crary, Frank, additional, Parker, Jeffery, additional, Pater, Imke de, additional, Holsclaw, Greg, additional, Pitman, Joe, additional, Sayanagi, Kunio, additional, Altobelli, Nicolas, additional, Bagenal, Frances, additional, Becker, Tracy M., additional, Bonfond, Bertrand, additional, Cassidy, Timothy, additional, Davies, Ashley, additional, Kleer, Katherine R. de, additional, Grava, Cesare, additional, Kubitschek, Daniel, additional, Delory, Gregory, additional, Emery, Joshua P., additional, Gaulme, Patrick, additional, Guillot, Tristan, additional, Hand, Kevin P., additional, Hendrix, Amanda, additional, Horányi, Mihály, additional, Hospodarsky, George, additional, Alonso, Ricardo Hueso, additional, Ip, Wing-Huen, additional, Kempf, Sascha, additional, Kurth, William S., additional, Livengood, Timothy A., additional, Mitchell, Donald G., additional, Orton, Glenn S., additional, Postberg, Frank, additional, Schmider, Francois-Xavier, additional, Schneider, Nicholas, additional, Smith, Howard T., additional, Sternovsky, Zoltan, additional, Tsang, Constantine, additional, Tseng, Wei-Ling, additional, Westlake, Joseph H., additional, Wong, Michael, additional, and Young, Cindy L., additional

Published
2021
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224. Keys of a Mission to Uranus or Neptune, the Closest Ice Giants

Author

Guillot, Tristan, primary, Fortney, Jonathan, additional, Rauscher, Emily, additional, Marley, Mark S., additional, Parmentier, Vivien, additional, Line, Mike, additional, Wakeford, Hannah, additional, Kaspi, Yohai, additional, Helled, Ravit, additional, Ikoma, Masahiro, additional, Knutson, Heather, additional, Menou, Kristen, additional, Valencia, Diana, additional, Durante, Daniele, additional, Ida, Shigeru, additional, Bolton, Scott J, additional, Li, Cheng, additional, Stevenson, Kevin B., additional, Bean, Jacob, additional, Cowan, Nicolas B, additional, Hofstadter, Mark D., additional, Alonso, Ricardo Hueso, additional, Leconte, Jérémy, additional, Li, Liming, additional, Mordasini, Christoph, additional, Mousis, Olivier, additional, Nettelmann, Nadine, additional, Soderlund, Krista, additional, and Wong, Mike, additional

Published
2021
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225. Precise Transit and Radial-velocity Characterization of a Resonant Pair: The Warm Jupiter TOI-216c and Eccentric Warm Neptune TOI-216b

Author

Dawson, Rebekah I., primary, Huang, Chelsea X., additional, Brahm, Rafael, additional, Collins, Karen A., additional, Hobson, Melissa J., additional, Jordán, Andrés, additional, Dong, Jiayin, additional, Korth, Judith, additional, Trifonov, Trifon, additional, Abe, Lyu, additional, Agabi, Abdelkrim, additional, Bruni, Ivan, additional, Butler, R. Paul, additional, Barbieri, Mauro, additional, Collins, Kevin I., additional, Conti, Dennis M., additional, Crane, Jeffrey D., additional, Crouzet, Nicolas, additional, Dransfield, Georgina, additional, Evans, Phil, additional, Espinoza, Néstor, additional, Gan, Tianjun, additional, Guillot, Tristan, additional, Henning, Thomas, additional, Lissauer, Jack J., additional, Jensen, Eric L. N., additional, Sainte, Wenceslas Marie, additional, Mékarnia, Djamel, additional, Myers, Gordon, additional, Nandakumar, Sangeetha, additional, Relles, Howard M., additional, Sarkis, Paula, additional, Torres, Pascal, additional, Shectman, Stephen, additional, Schmider, François-Xavier, additional, Shporer, Avi, additional, Stockdale, Chris, additional, Teske, Johanna, additional, Triaud, Amaury H. M. J., additional, Wang, Sharon Xuesong, additional, Ziegler, Carl, additional, Ricker, G., additional, Vanderspek, R., additional, Latham, David W., additional, Seager, S., additional, Winn, J., additional, Jenkins, Jon M., additional, Bouma, L. G., additional, Burt, Jennifer A., additional, Charbonneau, David, additional, Levine, Alan M., additional, McDermott, Scott, additional, McLean, Brian, additional, Rose, Mark E., additional, Vanderburg, Andrew, additional, and Wohler, Bill, additional

Published
2021
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228. Constraints on the latitudinal profile of Jupiter's deep jets

Author

Galanti, Eli, primary, Kaspi, Yohai, additional, Duer, Keren, additional, Fletcher, Leigh N, additional, Ingersoll, Andrew, additional, Li, Cheng, additional, Orton, Glenn S, additional, Guillot, Tristan, additional, Levin, Steven M., additional, and Bolton, Scott J, additional

Published
2021
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234. Towards ASTEP+, a two-color photometric telescope at Dome C, Antarctica

Author

Crouzet, Nicolas, primary, Agabi, Karim, additional, Guillot, Tristan, additional, Abe, Lyu, additional, Schmider, François-Xavier, additional, Mékarnia, Djamel, additional, Triaud, Amaury, additional, Bresson, Yves, additional, Mauclert, Nicolas, additional, Bailet, Christophe, additional, Breeveld, Dennis, additional, Blommaert, Sander, additional, Shortt, Brian, additional, Daban, Jean-Baptiste, additional, Lagrange, Anne-Marie, additional, Touzé, Romain, additional, Dufour, Justin, additional, Stee, Valentin, additional, and Caruana, Jocelyn, additional

Published
2020
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235. Characteristics and performances of an interferometric Doppler imager installed at the 188 cm telescope of Okayama Observatory

Author

Schmider, François-Xavier, primary, Dejonghe, Julien, additional, Guillot, Tristan, additional, Ikoma, Masahiro, additional, Boumier, Patrick, additional, Sato, Bun'ei, additional, Jackiewicz, Jason, additional, Izumiura, Hideyuki, additional, Hanayama, Hidekazu, additional, Abe, Lyu, additional, Gonçalves, Ivan, additional, Gouvret, Carole, additional, Fantéï, Yan, additional, Morand, Frédéric, additional, Preis, Olivier, additional, Rivet, Jean-Pierre, additional, Appourchaux, Thierry, additional, Leclec'h, Jean-Christophe, additional, Ballans, Hervé, additional, Langlet, François, additional, Baudin, Frédéric, additional, Aoyama, Yuhiko, additional, Kawaushi, Kiyoe, additional, Horiuchi, Takashi, additional, Gaulme, Patrick, additional, Voelz, David, additional, and Underwood, Thomas A., additional

Published
2020
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236. A depletion of ammonia and water by storms in the deep atmosphere of Jupiter

Author

Guillot, Tristan, primary, Stevenson, David J, additional, Bolton, Scott J, additional, Li, Cheng, additional, Atreya, Sushil K, additional, Becker, Heidi N, additional, Brown, Shannon T, additional, Ingersoll, Andrew P, additional, Janssen, Michael A, additional, Orton, Glenn S, additional, Levin, Steven M, additional, Steffes, Paul G, additional, and Wong, Mike, additional

Published
2020
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239. Residual Study: Testing Jupiter Atmosphere Models Against Juno MWR Observations

Author

Zhang, Zhimeng, primary, Adumitroaie, Virgil, additional, Allison, Michael, additional, Arballo, John, additional, Atreya, Sushil, additional, Bjoraker, Gordon, additional, Bolton, Scott, additional, Brown, Shannon, additional, Fletcher, Leigh N., additional, Guillot, Tristan, additional, Gulkis, Samuel, additional, Hodges, Amoree, additional, Ingersoll, Andrew, additional, Janssen, Michael, additional, Levin, Steven, additional, Li, Cheng, additional, Li, Liming, additional, Lunine, Jonathan, additional, Misra, Sidharth, additional, Orton, Glenn, additional, Oyafuso, Fabiano, additional, Steffes, Paul, additional, and Wong, Michael H., additional

Published
2020
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240. Small lightning flashes from shallow electrical storms on Jupiter

Author

Becker, Heidi N., primary, Alexander, James W., additional, Atreya, Sushil K., additional, Bolton, Scott J., additional, Brennan, Martin J., additional, Brown, Shannon T., additional, Guillaume, Alexandre, additional, Guillot, Tristan, additional, Ingersoll, Andrew P., additional, Levin, Steven M., additional, Lunine, Jonathan I., additional, Aglyamov, Yury S., additional, and Steffes, Paul G., additional

Published
2020
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244. Ariel planetary interiors White Paper.

Author

Helled, Ravit, Werner, Stephanie, Dorn, Caroline, Guillot, Tristan, Ikoma, Masahiro, Ito, Yuichi, Kama, Mihkel, Lichtenberg, Tim, Miguel, Yamila, Shorttle, Oliver, Tackley, Paul J., Valencia, Diana, and Vazan, Allona

Subjects
PLANETARY interiors, ATMOSPHERIC composition, PLANETARY atmospheres, EXTRASOLAR planets, PLANETS
Abstract

The recently adopted Ariel ESA mission will measure the atmospheric composition of a large number of exoplanets. This information will then be used to better constrain planetary bulk compositions. While the connection between the composition of a planetary atmosphere and the bulk interior is still being investigated, the combination of the atmospheric composition with the measured mass and radius of exoplanets will push the field of exoplanet characterisation to the next level, and provide new insights of the nature of planets in our galaxy. In this white paper, we outline the ongoing activities of the interior working group of the Ariel mission, and list the desirable theoretical developments as well as the challenges in linking planetary atmospheres, bulk composition and interior structure. [ABSTRACT FROM AUTHOR]

Published
2022
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245. Transiting exoplanets from the CoRoT space mission

Author

Bordé, P., Díaz, R., Creevey, O., Damiani, C., Deeg, H., Klagyivik, P., Wuchterl, G., Gandolfi, D., Fridlund, M., Bouchy, F., Aigrain, S., Alonso, R., Almenara, J.-M., Baglin, A., Barros, S., Bonomo, A., Cabrera, J., Csizmadia, Sz., Deleuil, M., Erikson, A., Ferraz-Mello, S., Guenther, E., Guillot, Tristan, Grziwa, S., Hatzes, A., Hébrard, G., Mazeh, T., Ollivier, M., Parviainen, H., Pätzold, M., Rauer, H., Rouan, D., Santerne, A., Schneider, J., Joseph Louis LAGRANGE (LAGRANGE), Université Côte d'Azur (UCA)-Université Nice Sophia Antipolis (... - 2019) (UNS), COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Observatoire de la Côte d'Azur, COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Université Côte d'Azur (UCA)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS), Istituto di Fisica dello Spazio Interplanetario (INAF), Consiglio Nazionale delle Ricerche [Roma] (CNR), Thüringer Landessternwarte Tautenburg (TLS), Department of Brain and Behavioural Sciences, University of Pavia, Research and Scientific Support Department, ESTEC (RSSD), European Space Research and Technology Centre (ESTEC), European Space Agency (ESA)-European Space Agency (ESA), Laboratoire d'Astrophysique de Marseille (LAM), Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Aix Marseille Université (AMU)-Centre National d'Études Spatiales [Toulouse] (CNES), School of Physics, University of Exeter, Institut de Planétologie et d'Astrophysique de Grenoble (IPAG), Centre National d'Études Spatiales [Toulouse] (CNES)-Observatoire des Sciences de l'Univers de Grenoble (OSUG ), Institut national des sciences de l'Univers (INSU - CNRS)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Université Grenoble Alpes (UGA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Université Grenoble Alpes (UGA), Laboratoire d'études spatiales et d'instrumentation en astrophysique (LESIA (UMR_8109)), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Universidade do Porto, PSE-ENV/SEDRE/LETIS, Institut de Radioprotection et de Sûreté Nucléaire (IRSN), DLR Institute of Planetary Research, German Aerospace Center (DLR), Instituto de Astronomia, Geofísica e Ciências Atmosféricas [São Paulo] (IAG), Universidade de São Paulo (USP), Institut d'Astrophysique de Paris (IAP), Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), School of Physics and Astronomy [Tel Aviv], Tel Aviv University [Tel Aviv], Institut d'astrophysique spatiale (IAS), Université Paris-Sud - Paris 11 (UP11)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS), Institute for Geophysics and Meteorology [Köln] (IGM), University of Cologne, Laboratoire Univers et Théories (LUTH (UMR_8102)), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), 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
[PHYS]Physics [physics], [SDU.ASTR.SR]Sciences of the Universe [physics]/Astrophysics [astro-ph]/Solar and Stellar Astrophysics [astro-ph.SR], [SDU]Sciences of the Universe [physics], [SDU.ASTR.EP]Sciences of the Universe [physics]/Astrophysics [astro-ph]/Earth and Planetary Astrophysics [astro-ph.EP], [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2020
Full Text
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246. The Green Book of the Academy Space, Environment, Risk and Resilience

Author

Barre, Pierre-Jean, den Auwer, Christophe, Fox, Dennis, Grognard, Frédéric, Guillot, Tristan, Le Gourrierec, Manon, Manighetti, Isabelle, Université Côte d'Azur (UCA), Institut de Chimie de Nice (ICN), Université Nice Sophia Antipolis (1965 - 2019) (UNS), COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Université Côte d'Azur (UCA), Études des Structures, des Processus d’Adaptation et des Changements de l’Espace (ESPACE), COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Avignon Université (AU)-Aix Marseille Université (AMU)-Centre National de la Recherche Scientifique (CNRS)-Université Côte d'Azur (UCA), Biological control of artificial ecosystems (BIOCORE), Inria Sophia Antipolis - Méditerranée (CRISAM), Institut National de Recherche en Informatique et en Automatique (Inria)-Institut National de Recherche en Informatique et en Automatique (Inria)-Laboratoire d'océanographie de Villefranche (LOV), Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Institut de la Mer de Villefranche (IMEV), Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Institut de la Mer de Villefranche (IMEV), Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Joseph Louis LAGRANGE (LAGRANGE), COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de la Côte d'Azur, COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Université Côte d'Azur (UCA)-Université Côte d'Azur (UCA)-Centre National de la Recherche Scientifique (CNRS), Géoazur (GEOAZUR 7329), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de la Côte d'Azur, COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Université Côte d'Azur (UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Université Côte d'Azur (UCA)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD [France-Sud]), SPACE, ENVIRONMENT, RISK, RESILIENCE, and ANR-15-IDEX-0001,UCA JEDI,Idex UCA JEDI(2015)

Subjects
Risk, Resilience, Health, [SDE]Environmental Sciences, Space, Environment
Abstract

International audience; Over its four years of operation, Academy-3 has fostered the emergence of innovative interdisciplinary research in the five main axes. Thirty-two major projects were supported. About 28% of the projects address critical questions on relationships between anthropogenic activities and human health, 19% focus on hazards related to our Région Sud, 15% target seismic hazards approached in a generic manner, 16% address broad-scale questions of our Universe, and, finally, 22% of projects explore innovative approaches or instruments to best observe humans, the Earth or Space and to better cope with the intricate hazards that threaten them.Altogether, the 32 projects involve about 200 UCA scientists and 100 students at various levels, including more than 30 PhD students. The projects have also attracted 10 young post-doctoral researchers from abroad. More than 80% of the projects have built new collaborations within UCA and abroad, and almost 60% of them have brought together 3 or more UCA laboratories or institutes in original collaborations. They are thus clearly transdisciplinary and “structuring”. A quarter of the projects funded by Academy-3 have even brought together physical and social sciences, thereby paving the way towards a more complete hazard assessment.his booklet is organized in five chapters corresponding to the five axes of Academy-3, namely: Environment and health hazards; Natural and anthropogenic hazards in the Euro-Mediterranean region; Physics of large earthquakes and related hazards; Origin and physics of our Universe and of our Earth; Instrumentation and methodologies for Earth and Space observation and hazard and resilience assessment. For each project, a short summary of the project is presented together with its participants, budget, possible developments and actions for future work, and links for more information on the project. An individual comment is also provided to emphasize why Academy-3 chose to support each project.In reading the brief description of these projects, we hope that you will find opportunities for new research ideas and collaborations, and even more, cause for optimism in the challenges that our planet and its inhabitants are facing.

Published
2020

247. Characterizing exoplanets atmospheres with space photometry at optical wavelengths

Author

Parmentier Vivien, Guillot Tristan, Showman Adam P., Fortney Jonathan, and Marley Mark

Subjects
Physics, QC1-999
Abstract

Space photometry such as performed by Kepler and CoRoT provides exoplanets radius and phase curves with an exquisite precision. The phase curve constrains the longitudinal variation of the albedo and shed light on the horizontal distribution of clouds. The planet radius constraints thermal evolution of the planet, potentially unveiling its atmospheric composition. We present how the atmospheric circulation can affect the cloud distribution of three different planets, HD209458b, Kepler-7b and HD189733b based on three-dimensional models and analytical calculations. Then we use an analytical atmospheric model coupled to a state-of-the-art interior evolution code to study the role of TiO in shaping the thermal evolution and final radius of the planet.

Published
2015
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250. Storms and the Depletion of Ammonia in Jupiter: II. Explaining the Juno Observations

Author

Guillot, Tristan, Li, Cheng, Bolton, Scott, Brown, Shannon, Ingersoll, Andrew, Janssen, Michael, Levin, Steven, Lunine, Jonathan, Orton, Glenn, Steffes, Paul, Stevenson, David, Guillot, Tristan, Li, Cheng, Bolton, Scott, Brown, Shannon, Ingersoll, Andrew, Janssen, Michael, Levin, Steven, Lunine, Jonathan, Orton, Glenn, Steffes, Paul, and Stevenson, David

Abstract

Observations of Jupiter's deep atmosphere by the Juno spacecraft have revealed several puzzling facts: The concentration of ammonia is variable down to pressures of tens of bars, and is strongly dependent on latitude. While most latitudes exhibit a low abundance, the Equatorial Zone of Jupiter has an abundance of ammonia that is high and nearly uniform with depth. In parallel, the Equatorial Zone is peculiar for its absence of lightning, which is otherwise prevalent most everywhere else on the planet. We show that a model accounting for the presence of small-scale convection and water storms originating in Jupiter's deep atmosphere accounts for the observations. Where strong thunderstorms are observed on the planet, we estimate that the formation of ammonia-rich hail ('mushballs') and subsequent downdrafts can deplete efficiency the upper atmosphere of its ammonia and transport it efficiently to the deeper levels. In the Equatorial Zone, the absence of thunderstorms shows that this process is not occurring, implying that small-scale convection can maintain a near-homogeneity of this region. A simple model satisfying mass and energy balance accounts for the main features of Juno's MWR observations and successfully reproduces the inverse correlation seen between ammonia abundance and the lightning rate as function of latitude. We predict that in regions where ammonia is depleted, water should also be depleted to great depths. The fact that condensates are not well mixed by convection until far deeper than their condensation level has consequences for our understanding of Jupiter's deep interior and of giant-planet atmospheres in general.

Published
2020
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