Detection of Methane in the Closest Extreme Metal-poor T Dwarf WISEA J181006.18-101000.5

Authors: Zhang, Jerry Jun-Yan, Lodieu, Nicolas, Martín, Eduardo L., Tremblin, Pascal, Osorio, María Rosa Zapatero, Béjar, Víctor J. S., Vitas, Nikola, Gauza, Bartosz, Pavlenko, Yakiv V., Rebolo, Rafael

Subject Terms: Astrophysics - Solar and Stellar Astrophysics, Astrophysics - Earth and Planetary Astrophysics

Access URL: http://arxiv.org/abs/2503.22289

MIRI-LRS spectrum of a cold exoplanet around a white dwarf: water, ammonia, and methane measurements

Authors: Voyer, Maël, Changeat, Quentin, Lagage, Pierre-Olivier, Tremblin, Pascal, Waters, Rens, Güdel, Manuel, Henning, Thomas, Absil, Olivier, Barrado, David, Boccaletti, Anthony, Bouwman, Jeroen, Coulais, Alain, Decin, Leen, Glauser, Adrian, Pye, John, Glasse, Alistair, Gastaud, René, Kendrew, Sarah, Patapis, Polychronis, Rouan, Daniel, van Dishoeck, Ewine, Östlin, Göran, Ray, Tom, Wright, Gillian

Source: ApJL 982 L38 (2025)

Subject Terms: Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2503.04531

High-temperature measurements of acetylene VUV absorption cross sections and application to warm exoplanet atmospheres

Authors: Fleury, Benjamin, Poveda, Mathilde, Benilan, Yves, Veillet, Roméo, Venot, Olivia, Tremblin, Pascal, Fray, Nicolas, Gazeau, Marie-Claire, Schwell, Martin, Jolly, Antoine, de Oliveira, Nelson, Es-sebbar, Et-touhami

Source: A&A, 693, A82 (2025)

Subject Terms: Astrophysics - Earth and Planetary Astrophysics

Access URL: http://arxiv.org/abs/2501.02864

First unambiguous detection of ammonia in the atmosphere of a planetary mass companion with JWST/MIRI coronagraphs

Authors: Mâlin, Mathilde, Boccaletti, Anthony, Perrot, Clément, Baudoz, Pierre, Rouan, Daniel, Lagage, Pierre-Olivier, Waters, Rens, Güdel, Manuel, Henning, Thomas, Vandenbussche, Bart, Absil, Olivier, Barrado, David, Charnay, Benjamin, Choquet, Elodie, Cossou, Christophe, Danielski, Camilla, Decin, Leen, Glauser, Adrian M., Pye, John, Olofsson, Goran, Glasse, Alistair, Patapis, Polychronis, Royer, Pierre, Scheithauer, Silvia, Serabyn, Eugene, Tremblin, Pascal, Whiteford, Niall, van Dishoeck, Ewine F., Ostlin, Göran, Ray, Tom P., Wright, Gillian

Subject Terms: Astrophysics - Earth and Planetary Astrophysics

Access URL: http://arxiv.org/abs/2501.00104

Combined analysis of the 12.8 and 15 $\mu m$ JWST/MIRI eclipse observations of TRAPPIST-1 b

Authors: Ducrot, Elsa, Lagage, Pierre-Olivier, Min, Michiel, Gillon, Michael, Bell, Taylor J., Tremblin, Pascal, Greene, Thomas, Dyrek, Achrene, Bouwman, Jeroen, Waters, Rens, Gudel, Manuel, Henning, Thomas, Vandenbussche, Bart, Absil, Olivier, Barrado, David, Boccaletti, Anthony, Coulais, Alain, Decin, Leen, Edwards, Billy, Gastaud, Rene, Glasse, Alistair, Kendrew, Sarah, Olofsson, Goran, Patapis, Polychronis, Pye, John, Rouan, Daniel, Whiteford, Niall, Argyriou, Ioannis, Cossou, Christophe, Glauser, Adrian M., Krause, Oliver, Lahuis, Fred, Royer, Pierre, Scheithauer, Silvia, Colina, Luis, van Dishoeck, Ewine F., Ostlin, Goran, Ray, Tom P., Wright, Gillian

Subject Terms: Astrophysics - Earth and Planetary Astrophysics

Access URL: http://arxiv.org/abs/2412.11627

Redshifting the Study of Cold Brown Dwarfs and Exoplanets: the Mid-Infrared Wavelength Region as an Indicator of Surface Gravity and Mass

Authors: Leggett, S. K., Tremblin, Pascal

Subject Terms: Astrophysics - Solar and Stellar Astrophysics, Astrophysics - Earth and Planetary Astrophysics

Access URL: http://arxiv.org/abs/2411.03549

A multi-dimensional, robust, and cell-centered finite-volume scheme for the ideal MHD equations

Authors: Tremblin, Pascal, Bourgeois, Rémi, Bulteau, Solène, Kokh, Samuel, Padioleau, Thomas, Delorme, Maxime, Strugarek, Antoine, González, Matthias, Brun, Allan Sacha

Subject Terms: Physics - Computational Physics, Astrophysics - Instrumentation and Methods for Astrophysics, Physics - Plasma Physics

Access URL: http://arxiv.org/abs/2409.14992

A new atmospheric characterization of the sub-stellar companion HR\,2562\,B with JWST/MIRI observations

Authors: Godoy, Nicolás, Choquet, Elodie, Serabyn, Eugene, Danielski, Camilla, Stolker, Tomas, Charnay, Benjamin, Hinkley, Sasha, Lagage, Pierre-Olivier, Ressler, Michale E., Tremblin, Pascal, Vigan, Arthur

Subject Terms: Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2409.04524

Flows, Circulations, and Energy Transport in the Outer and Deep Atmospheres of Synchronous and Non-synchronous Hot Jupiters

Authors: Sainsbury-Martinez, Felix, Tremblin, Pascal

Source: A&A 691, A232 (2024)

Subject Terms: Astrophysics - Earth and Planetary Astrophysics

Access URL: http://arxiv.org/abs/2407.15602

The JWST Weather Report from the Nearest Brown Dwarfs I: multi-period JWST NIRSpec + MIRI monitoring of the benchmark binary brown dwarf WISE 1049AB

Authors: Biller, Beth A., Vos, Johanna M., Zhou, Yifan, McCarthy, Allison M., Tan, Xianyu, Crossfield, Ian J. M., Whiteford, Niall, Suarez, Genaro, Faherty, Jacqueline, Manjavacas, Elena, Chen, Xueqing, Liu, Pengyu, Sutlieff, Ben J., Limbach, Mary Anne, Molliere, Paul, Dupuy, Trent J., Oliveros-Gomez, Natalia, Muirhead, Philip S., Henning, Thomas, Mace, Gregory, Crouzet, Nicolas, Karalidi, Theodora, Morley, Caroline V., Tremblin, Pascal, Kataria, Tiffany

Subject Terms: Astrophysics - Solar and Stellar Astrophysics, Astrophysics - Earth and Planetary Astrophysics

Access URL: http://arxiv.org/abs/2407.09194

A warm Neptune's methane reveals core mass and vigorous atmospheric mixing

Authors: Sing, David K., Rustamkulov, Zafar, Thorngren, Daniel P., Barstow, Joanna K., Tremblin, Pascal, de Oliveira, Catarina Alves, Beck, Tracy L., Birkmann, Stephan M., Challener, Ryan C., Crouzet, Nicolas, Espinoza, Néstor, Ferruit, Pierre, Giardino, Giovanna, Gressier, Amélie, Lee, Elspeth K. H., Lewis, Nikole K., Maiolino, Roberto, Manjavacas, Elena, Rauscher, Bernard J., Sirianni, Marco, Valenti, Jeff A.

Subject Terms: Astrophysics - Earth and Planetary Astrophysics

Access URL: http://arxiv.org/abs/2405.11027

ATMOSPHERIX: III- Estimating the C/O ratio and molecular dynamics at the limbs of WASP-76 b with SPIRou

Authors: Hood, Thea, Debras, Florian, Moutou, Claire, Klein, Baptiste, Tremblin, Pascal, Parmentier, Vivien, Carmona, Andres, Meech, Annabella, Vénot, Olivia, Masson, Adrien, Petit, Pascal, Vinatier, Sandrine, Martioli, Eder, Kiefer, Flavien, Turbet, Martin, consortium, the ATMOSPHERIX

Source: A&A 687, A119 (2024)

Subject Terms: Astrophysics - Earth and Planetary Astrophysics

Access URL: http://arxiv.org/abs/2403.19434

Transiting exoplanets with the Mid-InfraRed Instrument on board the James Webb Space Telescope: From simulations to observations

Authors: Dyrek, Achrène, Ducrot, Elsa, Lagage, Pierre-Olivier, Tremblin, Pascal, Kendrew, Sarah, Bouwman, Jeroen, Bouffet, Rémi

Subject Terms: Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Instrumentation and Methods for Astrophysics

Access URL: http://arxiv.org/abs/2403.00676

Medium Resolution 0.97-5.3 micron spectra of Very Young Benchmark Brown Dwarfs with NIRSpec onboard the James Webb Space Telescope

Authors: Manjavacas, Elena, Tremblin, Pascal, Birkmann, Stephan, Valenti, Jeff, de Oliveira, Catarina Alves, Beck, Tracy L., Giardino, G., Luetzgendorf, N., Rauscher, B. J., Sirianni, M.

Subject Terms: Astrophysics - Solar and Stellar Astrophysics, Astrophysics - Earth and Planetary Astrophysics

Access URL: http://arxiv.org/abs/2402.04230

Hydrogenated atmospheres of lava planets: atmospheric structure and emission spectra

Authors: Falco, Aurélien, Tremblin, Pascal, Charnoz, Sébastien, Ridgway, Robert J., Lagage, Pierre-Olivier

Subject Terms: Astrophysics - Earth and Planetary Astrophysics

Access URL: http://arxiv.org/abs/2401.14744

The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems V: Do Self-Consistent Atmospheric Models Represent JWST Spectra? A Showcase With VHS 1256 b

Authors: Petrus, Simon, Whiteford, Niall, Patapis, Polychronis, Biller, Beth A., Skemer, Andrew, Hinkley, Sasha, Suárez, Genaro, Lueber, Anna, Palma-Bifani, Paulina, Stone, Jordan M., Vos, Johanna M., Morley, Caroline V., Tremblin, Pascal, Charnay, Benjamin, Helling, Christiane, Miles, Brittany E., Carter, Aarynn L., Wang, Jason J., Janson, Markus, Gonzales, Eileen C., Sutlieff, Ben, Hoch, Kielan K. W., Bonnefoy, Mickaël, Chauvin, Gaël, Absil, Olivier, Balmer, William O., Boccaletti, Anthony, Bonavita, Mariangela, Booth, Mark, Bowler, Brendan P., Briesemeister, Zackery W., Bryan, Marta L., Calissendorff, Per, Cantalloube, Faustine, Chen, Christine H., Choquet, Elodie, Christiaens, Valentin, Cugno, Gabriele, Currie, Thayne, Danielski, Camilla, De Furio, Matthew, Dupuy, Trent J., Factor, Samuel M., Faherty, Jacqueline K., Fitzgerald, Michael P., Fortney, Jonathan J., Franson, Kyle, Girard, Julien H., Grady, Carol A., Henning, Thomas, Hines, Dean C., Hood, Callie E., Howe, Alex R., Kalas, Paul, Kammerer, Jens, Kennedy, Grant M., Kenworthy, Matthew A., Kervella, Pierre, Kim, Minjae, Kitzmann, Daniel, Kraus, Adam L., Kuzuhara, Masayuki, Lagage, Pierre-Olivier, Lagrange, Anne-Marie, Lawson, Kellen, Lazzoni, Cecilia, Leisenring, Jarron M., Lew, Ben W. P., Liu, Michael C., Liu, Pengyu, Llop-Sayson, Jorge, Lloyd, James P., Macintosh, Bruce, Mâlin, Mathilde, Manjavacas, Elena, Marino, Sebastián, Marley, Mark S., Marois, Christian, Martinez, Raquel A., Matthews, Elisabeth C., Matthews, Brenda C., Mawet, Dimitri, Mazoyer, Johan, McElwain, Michael W., Metchev, Stanimir, Meyer, Michael R., Millar-Blanchaer, Maxwell A., Mollière, Paul, Moran, Sarah E., Mukherjee, Sagnick, Pantin, Eric, Perrin, Marshall D., Pueyo, Laurent, Quanz, Sascha P., Quirrenbach, Andreas, Ray, Shrishmoy, Rebollido, Isabel, Redai, Jea Adams, Ren, Bin B., Rickman, Emily, Sallum, Steph, Samland, Matthias, Sargent, Benjamin, Schlieder, Joshua E., Stapelfeldt, Karl R., Tamura, Motohide, Tan, Xianyu, Theissen, Christopher A., Uyama, Taichi, Vasist, Malavika, Vigan, Arthur, Wagner, Kevin, Ward-Duong, Kimberly, Wolff, Schuyler G., Worthen, Kadin, Wyatt, Mark C., Ygouf, Marie, Zurlo, Alice, Zhang, Xi, Zhang, Keming, Zhan, Zhoujian, Zhou, Yifan

Subject Terms: Astrophysics - Earth and Planetary Astrophysics

Access URL: http://arxiv.org/abs/2312.03852

SO$_2$, silicate clouds, but no CH$_4$ detected in a warm Neptune

Authors: Dyrek, Achrène, Min, Michiel, Decin, Leen, Bouwman, Jeroen, Crouzet, Nicolas, Mollière, Paul, Lagage, Pierre-Olivier, Konings, Thomas, Tremblin, Pascal, Güdel, Manuel, Pye, John, Waters, Rens, Henning, Thomas, Vandenbussche, Bart, Martinez, Francisco Ardevol, Argyriou, Ioannis, Ducrot, Elsa, Heinke, Linus, Van Looveren, Gwenael, Absil, Olivier, Barrado, David, Baudoz, Pierre, Boccaletti, Anthony, Cossou, Christophe, Coulais, Alain, Edwards, Billy, Gastaud, René, Glasse, Alistair, Glauser, Adrian, Greene, Thomas P., Kendrew, Sarah, Krause, Oliver, Lahuis, Fred, Mueller, Michael, Olofsson, Goran, Patapis, Polychronis, Rouan, Daniel, Royer, Pierre, Scheithauer, Silvia, Waldmann, Ingo, Whiteford, Niall, Colina, Luis, van Dishoeck, Ewine F., Greve, Thomas, Ostlin, Göran, Ray, Tom P., Wright, Gillian

Subject Terms: Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Instrumentation and Methods for Astrophysics

Access URL: http://arxiv.org/abs/2311.12515

15NH3 in the atmosphere of a cool brown dwarf

Authors: Barrado, David, Mollière, Paul, Patapis, Polychronis, Min, Michiel, Tremblin, Pascal, Martinez, Francisco Ardevol, Whiteford, Niall, Vasist, Malavika, Argyriou, Ioannis, Samland, Matthias, Lagage, Pierre-Olivier, Decin, Leen, Waters, Rens, Henning, Thomas, Morales-Calderón, María, Guedel, Manuel, Vandenbussche, Bart, Absil, Olivier, Baudoz, Pierre, Boccaletti, Anthony, Bouwman, Jeroen, Cossou, Christophe, Coulais, Alain, Crouzet, Nicolas, Gastaud, René, Glasse, Alistair, Glauser, Adrian M., Kamp, Inga, Kendrew, Sarah, Krause, Oliver, Lahuis, Fred, Mueller, Michael, Olofsson, Göran, Pye, John, Rouan, Daniel, Royer, Pierre, Scheithauer, Silvia, Waldmann, Ingo, Colina, Luis, van Dishoeck, Ewine F., Ray, Tom, Östlin, Göran, Wright, Gillian

Subject Terms: Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2311.08054

The First Y Dwarf Data From JWST Show That Dynamic and Diabatic Processes Regulate Cold Brown Dwarf Atmospheres

Authors: Leggett, S. K., Tremblin, Pascal

Subject Terms: Astrophysics - Solar and Stellar Astrophysics, Astrophysics - Earth and Planetary Astrophysics

Access URL: http://arxiv.org/abs/2309.14567

Deep learning denoising by dimension reduction: Application to the ORION-B line cubes

Authors: Einig, Lucas, Pety, Jérôme, Roueff, Antoine, Vandame, Paul, Chanussot, Jocelyn, Gerin, Maryvonne, Orkisz, Jan H., Palud, Pierre, Santa-Maria, Miriam Garcia, Magalhaes, Victor de Souza, Bešlić, Ivana, Bardeau, Sébastien, Bron, Emeric E., Chainais, Pierre, Goicoechea, Javier R, Gratier, Pierre, Veloso, Viviana Guzman, Hughes, Annie, Kainulainen, Jouni, Languignon, David, Lallement, Rosine, Levrier, François, Lis, Dariuscz C., Liszt, Harvey, Bourlot, Jacques Le, Petit, Franck Le, Öberg, Karin Danielsson, Peretto, Nicolas, Roueff, Evelyne, Sievers, Albrecht, Thouvenin, Pierre-Antoine, Tremblin, Pascal

Source: A&A 677, A158 (2023)

Subject Terms: Astrophysics - Instrumentation and Methods for Astrophysics

Access URL: http://arxiv.org/abs/2307.13009