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The Infrared Colors of 51 Eridani b: Micrometeoroid Dust or Chemical Disequilibrium?

Alexander Madurowicz, Sagnick Mukherjee, Natasha Batalha, Bruce Macintosh, Mark Marley and Theodora Karalidi
The Astronomical Journal 165 (6) 238 (2023)
https://doi.org/10.3847/1538-3881/acca7a

Verification of Gaia Data Release 3 Single-lined Spectroscopic Binary Solutions With Three Transiting Low-mass Secondaries

Stephen P. Schmidt, Kevin C. Schlaufman, Keyi 可怿 Ding 丁, Samuel K. Grunblatt, Theron Carmichael, Allyson Bieryla, Joseph E. Rodriguez, Jack Schulte, Noah Vowell, George Zhou, Samuel N. Quinn, Samuel W. Yee, Joshua N. Winn, Joel D. Hartman, David W. Latham, Douglas A. Caldwell, M. M. Fausnaugh, Christina Hedges, Jon M. Jenkins, Hugh P. Osborn and S. Seager
The Astronomical Journal 166 (6) 225 (2023)
https://doi.org/10.3847/1538-3881/ad0135

VLTI/GRAVITY Observations and Characterization of the Brown Dwarf Companion HD 72946 B

William O. Balmer, Laurent Pueyo, Tomas Stolker, Henrique Reggiani, A.-L. Maire, S. Lacour, P. Mollière, M. Nowak, D. Sing, N. Pourré, S. Blunt, J. J. Wang, E. Rickman, J. Kammerer, Th. Henning, K. Ward-Duong, R. Abuter, A. Amorim, R. Asensio-Torres, M. Benisty, J.-P. Berger, H. Beust, A. Boccaletti, A. Bohn, M. Bonnefoy, et al.
The Astrophysical Journal 956 (2) 99 (2023)
https://doi.org/10.3847/1538-4357/acf761

XMM-Newton-discovered Fast X-ray Transients: host galaxies and limits on contemporaneous detections of optical counterparts

D Eappachen, P G Jonker, J Quirola-Vásquez, D Mata Sánchez, A Inkenhaag, A J Levan, M Fraser, M A P Torres, F E Bauer, A A Chrimes, D Stern, M J Graham, S J Smartt, K W Smith, M E Ravasio, A I Zabludoff, M Yue, F Stoppa, D B Malesani, N C Stone and S Wen
Monthly Notices of the Royal Astronomical Society 527 (4) 11823 (2023)
https://doi.org/10.1093/mnras/stad3924

Temperature–chemistry coupling in the evolution of gas giant atmospheres driven by stellar flares

Harrison Nicholls, Eric Hébrard, Olivia Venot, Benjamin Drummond and Elise Evans
Monthly Notices of the Royal Astronomical Society 523 (4) 5681 (2023)
https://doi.org/10.1093/mnras/stad1734

Extragalactic fast X-ray transient candidates discovered by Chandra (2014–2022)

J. Quirola-Vásquez, F. E. Bauer, P. G. Jonker, W. N. Brandt, G. Yang, A. J. Levan, Y. Q. Xue, D. Eappachen, E. Camacho, M. E. Ravasio, X. C. Zheng and B. Luo
Astronomy & Astrophysics 675 A44 (2023)
https://doi.org/10.1051/0004-6361/202345912

The SPHINX M-dwarf Spectral Grid. I. Benchmarking New Model Atmospheres to Derive Fundamental M-dwarf Properties

Aishwarya R. Iyer, Michael R. Line, Philip S. Muirhead, Jonathan J. Fortney and Ehsan Gharib-Nezhad
The Astrophysical Journal 944 (1) 41 (2023)
https://doi.org/10.3847/1538-4357/acabc2

Three low-mass companions around aged stars discovered by TESS

Zitao Lin, Tianjun Gan, Sharon X Wang, Avi Shporer, Markus Rabus, George Zhou, Angelica Psaridi, François Bouchy, Allyson Bieryla, David W Latham, Shude Mao, Keivan G Stassun, Coel Hellier, Steve B Howell, Carl Ziegler, Douglas A Caldwell, Catherine A Clark, Karen A Collins, Jason L Curtis, Jacqueline K Faherty, Crystal L Gnilka, Samuel K Grunblatt, Jon M Jenkins, Marshall C Johnson, Nicholas Law, et al.
Monthly Notices of the Royal Astronomical Society 523 (4) 6162 (2023)
https://doi.org/10.1093/mnras/stad1745

JWST Observations of the Enigmatic Y-Dwarf WISE 1828+2650. I. Limits to a Binary Companion

Matthew De Furio, Ben Lew, Charles Beichman, Thomas Roellig, Geoffrey Bryden, David Ciardi, Michael Meyer, Marcia Rieke, Alexandra Greenbaum, Jarron Leisenring, Jorge Llop-Sayson, Marie Ygouf, Loic Albert, Martha Boyer, Daniel Eisenstein, Klaus Hodapp, Scott Horner, Doug Johnstone, Doug Kelly, Karl Misselt, George Rieke, John Stansberry and Erick Young
The Astrophysical Journal 948 (2) 92 (2023)
https://doi.org/10.3847/1538-4357/acbf1e

Polarised radio pulsations from a new T-dwarf binary

H. K. Vedantham, T. J. Dupuy, E. L. Evans, A. Sanghi, J. R. Callingham, T. W. Shimwell, W. M. J. Best, M. C. Liu and P. Zarka
Astronomy & Astrophysics 675 L6 (2023)
https://doi.org/10.1051/0004-6361/202244965

The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems I: High-contrast Imaging of the Exoplanet HIP 65426 b from 2 to 16 μm

Aarynn L. Carter, Sasha Hinkley, Jens Kammerer, Andrew Skemer, Beth A. Biller, Jarron M. Leisenring, Maxwell A. Millar-Blanchaer, Simon Petrus, Jordan M. Stone, Kimberly Ward-Duong, Jason J. Wang, Julien H. Girard, Dean C. Hines, Marshall D. Perrin, Laurent Pueyo, William O. Balmer, Mariangela Bonavita, Mickael Bonnefoy, Gael Chauvin, Elodie Choquet, Valentin Christiaens, Camilla Danielski, Grant M. Kennedy, Elisabeth C. Matthews, Brittany E. Miles, et al.
The Astrophysical Journal Letters 951 (1) L20 (2023)
https://doi.org/10.3847/2041-8213/acd93e

The First Y Dwarf Data from JWST Show that Dynamic and Diabatic Processes Regulate Cold Brown Dwarf Atmospheres

S. K. Leggett and Pascal Tremblin
The Astrophysical Journal 959 (2) 86 (2023)
https://doi.org/10.3847/1538-4357/acfdad

Retrieval study of cool, directly imaged exoplanet 51 Eri b

Niall Whiteford, Alistair Glasse, Katy L Chubb, Daniel Kitzmann, Shrishmoy Ray, Mark W Phillips, Beth A Biller, Paul I Palmer, Ken Rice, Ingo P Waldmann, Quentin Changeat, Nour Skaf, Jason Wang, Billy Edwards and Ahmed Al-Refaie
Monthly Notices of the Royal Astronomical Society 525 (1) 1375 (2023)
https://doi.org/10.1093/mnras/stad670

Characterization of Low-mass Companions to Kepler Objects of Interest Observed with APOGEE-N

Caleb I. Cañas, Chad F. Bender, Suvrath Mahadevan, Dmitry Bizyaev, Nathan De Lee, Scott W. Fleming, Fred Hearty, Steven R. Majewski, Christian Nitschelm, Donald P. Schneider, Javier Serna, Keivan G. Stassun, Guđmundur Stefánsson, Guy S. Stringfellow and John C. Wilson
The Astrophysical Journal Supplement Series 265 (2) 50 (2023)
https://doi.org/10.3847/1538-4365/acbcbe

An emerging and enigmatic spectral class of isolated DAe white dwarfs

Abbigail K Elms, Pier-Emmanuel Tremblay, Boris T Gänsicke, Andrew Swan, Carl Melis, Antoine Bédard, Christopher J Manser, James Munday, J J Hermes, Erik Dennihy, Atsuko Nitta and Ben Zuckerman
Monthly Notices of the Royal Astronomical Society 524 (4) 4996 (2023)
https://doi.org/10.1093/mnras/stad2171

Limits on the Auroral Generation of H3 + in Brown Dwarf and Extrasolar Giant Planet Atmospheres with the Keck Near Infrared Echelle Spectrograph

Aidan Gibbs and Michael P. Fitzgerald
The Astronomical Journal 164 (2) 63 (2022)
https://doi.org/10.3847/1538-3881/ac7718

A Self-consistent Model for Brown Dwarf Populations

R. E. Ryan, P. Thorman, C. Aganze, A. J. Burgasser, S. H. Cohen, N. P. Hathi, B. Holwerda, N. Pirzkal and R. A. Windhorst
The Astrophysical Journal 932 (2) 96 (2022)
https://doi.org/10.3847/1538-4357/ac6de5

Diurnal variations in the stratosphere of the ultrahot giant exoplanet WASP-121b

Thomas Mikal-Evans, David K. Sing, Joanna K. Barstow, et al.
Nature Astronomy 6 (4) 471 (2022)
https://doi.org/10.1038/s41550-021-01592-w

Sub-stellar companions of intermediate-mass stars with CoRoT: CoRoT–34b, CoRoT–35b, and CoRoT–36b

D Sebastian, E W Guenther, M Deleuil, et al.
Monthly Notices of the Royal Astronomical Society 516 (1) 636 (2022)
https://doi.org/10.1093/mnras/stac2131

Large Binocular Telescope Search for Companions and Substructures in the (Pre)transitional Disk of AB Aurigae

Sebastián Jorquera, Mickaël Bonnefoy, Sarah Betti, Gaël Chauvin, Esther Buenzli, Laura M. Pérez, Katherine B. Follette, Philip M. Hinz, Anthony Boccaletti, Vanessa Bailey, Beth Biller, Denis Defrère, Josh Eisner, Thomas Henning, Hubert Klahr, Jarron Leisenring, Johan Olofsson, Joshua E. Schlieder, Andrew J. Skemer, Michael F. Skrutskie and Roy Van Boekel
The Astrophysical Journal 926 (1) 71 (2022)
https://doi.org/10.3847/1538-4357/ac4be4

Cross-sections for heavy atmospheres: H2O self-broadening

Lara O. Anisman, Katy L. Chubb, Quentin Changeat, et al.
Journal of Quantitative Spectroscopy and Radiative Transfer 283 108146 (2022)
https://doi.org/10.1016/j.jqsrt.2022.108146

Probing the Extent of Vertical Mixing in Brown Dwarf Atmospheres with Disequilibrium Chemistry

Sagnick Mukherjee, Jonathan J. Fortney, Natasha E. Batalha, Theodora Karalidi, Mark S. Marley, Channon Visscher, Brittany E. Miles and Andrew J. I. Skemer
The Astrophysical Journal 938 (2) 107 (2022)
https://doi.org/10.3847/1538-4357/ac8dfb

3D Selection of 167 Substellar Companions to Nearby Stars

Fabo Feng, R. Paul Butler, Steven S. Vogt, Matthew S. Clement, C. G. Tinney, Kaiming Cui, Masataka Aizawa, Hugh R. A. Jones, J. Bailey, Jennifer Burt, B. D. Carter, Jeffrey D. Crane, Francesco Flammini Dotti, Bradford Holden, Bo Ma, Masahiro Ogihara, Rebecca Oppenheimer, S. J. O’Toole, Stephen A. Shectman, Robert A. Wittenmyer, Sharon X. Wang, D. J. Wright and Yifan Xuan
The Astrophysical Journal Supplement Series 262 (1) 21 (2022)
https://doi.org/10.3847/1538-4365/ac7e57

An Atmospheric Retrieval of the Brown Dwarf Gliese 229B

Emily Calamari, Jacqueline K. Faherty, Ben Burningham, Eileen Gonzales, Daniella Bardalez-Gagliuffi, Johanna M. Vos, Marina Gemma, Niall Whiteford and Josefine Gaarn
The Astrophysical Journal 940 (2) 164 (2022)
https://doi.org/10.3847/1538-4357/ac9cc9

JWST Imaging of Earendel, the Extremely Magnified Star at Redshift z = 6.2

Brian Welch, Dan Coe, Erik Zackrisson, S. E. de Mink, Swara Ravindranath, Jay Anderson, Gabriel Brammer, Larry Bradley, Jinmi Yoon, Patrick Kelly, Jose M. Diego, Rogier Windhorst, Adi Zitrin, Paola Dimauro, Yolanda Jiménez-Teja, Abdurro’uf, Mario Nonino, Ana Acebron, Felipe Andrade-Santos, Roberto J. Avila, Matthew B. Bayliss, Alex Benítez, Tom Broadhurst, Rachana Bhatawdekar, Maruša Bradač, et al.
The Astrophysical Journal Letters 940 (1) L1 (2022)
https://doi.org/10.3847/2041-8213/ac9d39

Detecting planetary mass companions near the water frost-line using JWST interferometry

Shrishmoy Ray, Sasha Hinkley, Steph Sallum, et al.
Monthly Notices of the Royal Astronomical Society 519 (2) 2718 (2022)
https://doi.org/10.1093/mnras/stac3425

Beyond the Local Volume. II. Population Scaleheights and Ages of Ultracool Dwarfs in Deep HST/WFC3 Parallel Fields

Christian Aganze, Adam J. Burgasser, Mathew Malkan, Christopher A. Theissen, Roberto A. Tejada Arevalo, Chih-Chun Hsu, Daniella C. Bardalez Gagliuffi, Russell E. Ryan and Benne Holwerda
The Astrophysical Journal 934 (1) 73 (2022)
https://doi.org/10.3847/1538-4357/ac7053

CWISE J014611.20–050850.0AB: The Widest Known Brown Dwarf Binary in the Field

Emma Softich, Adam C. Schneider, Jennifer Patience, Adam J. Burgasser, Evgenya Shkolnik, Jacqueline K. Faherty, Dan Caselden, Aaron M. Meisner, J. Davy Kirkpatrick, Marc J. Kuchner, Jonathan Gagné, Daniella Bardalez Gagliuffi, Michael C. Cushing, Sarah L. Casewell, Christian Aganze, Chih-Chun Hsu, Nikolaj Stevnbak Andersen, Frank Kiwy and Melina Thévenot
The Astrophysical Journal Letters 926 (2) L12 (2022)
https://doi.org/10.3847/2041-8213/ac51d8

TOI-2119: a transiting brown dwarf orbiting an active M-dwarf from NASA’s TESS mission

Theron W Carmichael, Jonathan M Irwin, Felipe Murgas, et al.
Monthly Notices of the Royal Astronomical Society 514 (4) 4944 (2022)
https://doi.org/10.1093/mnras/stac1666

Substellar Hyades Candidates from the UKIRT Hemisphere Survey

Adam C. Schneider, Frederick J. Vrba, Jeffrey A. Munn, Scott E. Dahm, Justice Bruursema, Stephen J. Williams, Bryan N. Dorland, Jacqueline K. Faherty, Austin Rothermich, Emily Calamari, Michael C. Cushing, Dan Caselden, Martin Kabatnik, William Pendrill, Arttu Sainio, Nikolaj Stevnbak Andersen and Christopher Tanner
The Astronomical Journal 163 (5) 242 (2022)
https://doi.org/10.3847/1538-3881/ac5f50

An Imaging Search for Post-main-sequence Planets of Sirius B

Miles Lucas, Michael Bottom, Garreth Ruane and Sam Ragland
The Astronomical Journal 163 (2) 81 (2022)
https://doi.org/10.3847/1538-3881/ac4032

Dynamical Mass of the Young Substellar Companion HD 984 B

Kyle Franson, Brendan P. Bowler, Timothy D. Brandt, Trent J. Dupuy, Quang H. Tran, G. Mirek Brandt, Yiting Li and Adam L. Kraus
The Astronomical Journal 163 (2) 50 (2022)
https://doi.org/10.3847/1538-3881/ac35e8

Extragalactic fast X-ray transient candidates discovered by Chandra (2000–2014)

J. Quirola-Vásquez, F. E. Bauer, P. G. Jonker, et al.
Astronomy & Astrophysics 663 A168 (2022)
https://doi.org/10.1051/0004-6361/202243047

Thermal Phase Curves of XO-3b: An Eccentric Hot Jupiter at the Deuterium Burning Limit

Lisa Dang, Taylor J. Bell, Nicolas B. Cowan, Daniel Thorngren, Tiffany Kataria, Heather A. Knutson, Nikole K. Lewis, Keivan G. Stassun, Jonathan J. Fortney, Eric Agol, Gregory P. Laughlin, Adam Burrows, Karen A. Collins, Drake Deming, Diana Jovmir, Jonathan Langton, Sara Rastegar and Adam P. Showman
The Astronomical Journal 163 (1) 32 (2022)
https://doi.org/10.3847/1538-3881/ac365f

Precise Dynamical Masses of ε Indi Ba and Bb: Evidence of Slowed Cooling at the L/T Transition

Minghan Chen, Yiting Li, Timothy D. Brandt, Trent J. Dupuy, Cátia V. Cardoso and Mark J. McCaughrean
The Astronomical Journal 163 (6) 288 (2022)
https://doi.org/10.3847/1538-3881/ac66d2

An Eccentric Brown Dwarf Eclipsing an M dwarf

Caleb I. Cañas, Suvrath Mahadevan, Chad F. Bender, Noah Isaac Salazar Rivera, Andrew Monson, Corey Beard, Jack Lubin, Paul Robertson, Arvind F. Gupta, William D. Cochran, Connor Fredrick, Fred Hearty, Sinclaire Jones, Shubham Kanodia, Andrea S. J. Lin, Joe P. Ninan, Lawrence W. Ramsey, Christian Schwab and Guđmundur Stefánsson
The Astronomical Journal 163 (2) 89 (2022)
https://doi.org/10.3847/1538-3881/ac415f

Gemini-LIGHTS: Herbig Ae/Be and Massive T Tauri Protoplanetary Disks Imaged with Gemini Planet Imager

Evan A. Rich, John D. Monnier, Alicia Aarnio, Anna S. E. Laws, Benjamin R. Setterholm, David J. Wilner, Nuria Calvet, Tim Harries, Chris Miller, Claire L. Davies, Fred C. Adams, Sean M. Andrews, Jaehan Bae, Catherine Espaillat, Alexandra Z. Greenbaum, Sasha Hinkley, Stefan Kraus, Lee Hartmann, Andrea Isella, Melissa McClure, Rebecca Oppenheimer, Laura M. Pérez and Zhaohuan Zhu
The Astronomical Journal 164 (3) 109 (2022)
https://doi.org/10.3847/1538-3881/ac7be4

Effects of rotation on the spectra of brown dwarfs

Mikhail Lipatov, Timothy D Brandt and Natasha E Batalha
Monthly Notices of the Royal Astronomical Society 517 (2) 2942 (2022)
https://doi.org/10.1093/mnras/stac2838