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AstroSat UVIT counterparts of XMM-Newton X-ray sources in M31
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Nathalie K. Jones, Jason J. Wang, Eric L. Nielsen, Robert J. De Rosa, Anne E. Peck, William Roberson, Jean-Baptiste Ruffio, Jerry W. Xuan, Bruce A. Macintosh, S. Mark Ammons, Vanessa P. Bailey, Travis S. Barman, Joanna Bulger, Eugene Chiang, Jeffrey K. Chilcote, Gaspard Duchêne, Thomas M. Esposito, Michael P. Fitzgerald, Katherine B. Follette, Stephen Goodsell, James R. Graham, Alexandra Z. Greenbaum, Pascale Hibon, Patrick Ingraham, Paul Kalas, et al. The Astrophysical Journal Letters 995(2) L41 (2025) https://doi.org/10.3847/2041-8213/ae2007
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The Sonora Substellar Atmosphere Models. VI. Red Diamondback: Extending Diamondback with SPHINX for Brown Dwarf Early Evolution
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Adam J. Burgasser, Adam C. Schneider, Aaron M. Meisner, Dan Caselden, Chih-Chun Hsu, Roman Gerasimov, Christian Aganze, Emma Softich, Preethi Karpoor, Christopher A. Theissen, Hunter Brooks, Thomas P. Bickle, Jonathan Gagné, Ètienne Artigau, Michaël Marsset, Austin Rothermich, Jacqueline K. Faherty, J. Davy Kirkpatrick, Marc J. Kuchner, Nikolaj Stevnbak Andersen, Paul Beaulieu, Guillaume Colin, Jean Marc Gantier, Leopold Gramaize, Les Hamlet, et al. The Astrophysical Journal 982(2) 79 (2025) https://doi.org/10.3847/1538-4357/adb39f
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Direct Imaging Explorations for Companions from the Subaru/IRD Strategic Program II; Discovery of a Brown-dwarf Companion around a Nearby Mid-M-dwarf LSPM J1446+4633
Taichi Uyama, Masayuki Kuzuhara, Charles Beichman, Teruyuki Hirano, Takayuki Kotani, Qier An, Timothy D. Brandt, Markus Janson, Dimitri Mawet, Mayuko Mori, Bun’ei Sato, Denitza Stoeva, Motohide Tamura, Masataka Aizawa, Bryson Cale, Thomas Henning, Hiroyuki Tako Ishikawa, Norio Narita, Masahiro Ogihara, Aniket Sanghi, Trifon Trifonov, Jerry Xuan, Eiji Akiyama, Hiroki Harakawa, Klaus Hodapp, et al. The Astronomical Journal 170(5) 272 (2025) https://doi.org/10.3847/1538-3881/ae08b6
The mid-infrared spectrum of β Pictoris b
M. Houllé, F. Millour, P. Berio, J. Scigliuto, S. Lacour, B. Lopez, F. Allouche, J.-C. Augereau, D. Blain, M. Bonnefoy, M. Carbillet, G. Chauvin, J. Leftley, A. Matter, J. Milli, P. Mollière, E. Nasedkin, M. Nowak, P. Palma-Bifani, É. Pantin, P. Priolet, M. Ravet, J. Woillez, W. Balmer, P. Boley, et al. Astronomy & Astrophysics 704 A182 (2025) https://doi.org/10.1051/0004-6361/202453323
Eleven New Transiting Brown Dwarfs and Very-low-mass Stars from TESS
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Direct imaging discovery of a young giant planet orbiting on Solar System scales
T. Stolker, M. Samland, L. B. F. M. Waters, M. E. van den Ancker, W. O. Balmer, S. Lacour, M. L. Sitko, J. J. Wang, M. Nowak, A.-L. Maire, J. Kammerer, G. P. P. L. Otten, R. Abuter, A. Amorim, M. Benisty, J.-P. Berger, H. Beust, S. Blunt, A. Boccaletti, M. Bonnefoy, H. Bonnet, M. S. Bordoni, G. Bourdarot, W. Brandner, F. Cantalloube, et al. Astronomy & Astrophysics 700 A21 (2025) https://doi.org/10.1051/0004-6361/202555064
The Variable Radio Emission of V830 Tau and Its Putative Planet
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Carina M. Persson, Emil Knudstrup, Ilaria Carleo, Lorena Acuña-Aguirre, Grzegorz Nowak, Alexandra Muresan, Dawid Jankowski, Krzysztof Goździewski, Rafael A. García, Savita Mathur, Dinil B. Palakkatharappil, Lina Borg, Alexander J. Mustill, Rafael Barrena, Malcolm Fridlund, Davide Gandolfi, Artie P. Hatzes, Judith Korth, Rafael Luque, Eduardo L. Martín, Thomas Masseron, Giuseppe Morello, Felipe Murgas, Jaume Orell-Miquel, Enric Palle, et al. Astronomy & Astrophysics 702 A69 (2025) https://doi.org/10.1051/0004-6361/202555318
Self-limited tidal heating and prolonged magma oceans in the L 98-59 system
Harrison Nicholls, Claire Marie Guimond, Hamish C F C Hay, Richard D Chatterjee, Tim Lichtenberg and Raymond T Pierrehumbert Monthly Notices of the Royal Astronomical Society 541(3) 2566 (2025) https://doi.org/10.1093/mnras/staf1167
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T. O. Winterhalder, J. Kammerer, S. Lacour, A. Mérand, M. Nowak, T. Stolker, W. O. Balmer, G.-D. Marleau, R. Abuter, A. Amorim, R. Asensio-Torres, J.-P. Berger, H. Beust, S. Blunt, M. Bonnefoy, H. Bonnet, M. S. Bordoni, G. Bourdarot, W. Brandner, F. Cantalloube, P. Caselli, B. Charnay, G. Chauvin, A. Chavez, E. Choquet, et al. Astronomy & Astrophysics 700 A4 (2025) https://doi.org/10.1051/0004-6361/202554766
ELemental Abundances of Planets and Brown Dwarfs Imaged around Stars (ELPIS). II. The Jupiter-like Inhomogeneous Atmosphere of the First Directly Imaged Planetary-mass Companion 2MASS 1207 b
The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems. III. Aperture Masking Interferometric Observations of the Star HIP 65426 at 3.8 μm
Shrishmoy Ray, Steph Sallum, Sasha Hinkley, Anand Sivaramkrishnan, Rachel Cooper, Jens Kammerer, Alexandra Z. Greebaum, Deeparshi Thatte, Tomas Stolker, Cecilia Lazzoni, Andrei Tokovinin, Matthew de Furio, Samuel Factor, Michael Meyer, Jordan M. Stone, Aarynn Carter, Beth Biller, Andrew Skemer, Genaro Suárez, Jarron M. Leisenring, Marshall D. Perrin, Adam L. Kraus, Olivier Absil, William O. Balmer, Anthony Boccaletti, et al. The Astrophysical Journal Letters 983(1) L25 (2025) https://doi.org/10.3847/2041-8213/adaeb7
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S. Petrus, G. Chauvin, M. Bonnefoy, P. Tremblin, C. Morley, B. Charnay, G. Suarez, J. Gagné, P. Palma-Bifani, A. Denis, M. Ravet, A. Bayo, B. Bézard, B. Biller, P. Delorme, J. Faherty, J.-M. Goyal, K. Hoch, K. Hoy, J.-S. Jenkins, A.-M. Lagrange, B. Lavie, M. C. Liu, E. Manjavacas, G.-D. Marleau, et al. Astronomy & Astrophysics 701 A208 (2025) https://doi.org/10.1051/0004-6361/202554986
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W. Ceva, E. C. Matthews, E. L. Rickman, D. Ségransan, A. Vigan, B. P. Bowler, T. Forveille, K. Franson, J. Hagelberg and S. Udry Astronomy & Astrophysics 701 A78 (2025) https://doi.org/10.1051/0004-6361/202555310
Searching for Planets Orbiting Vega with the James Webb Space Telescope
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Three Years of High-contrast Imaging of the PDS 70 b and c Exoplanets at Hα with MagAO-X: Evidence of Strong Protoplanet Hα Variability and Circumplanetary Dust
Laird M. Close, Jared R. Males, Jialin 嘉霖 Li 李, Sebastiaan Y. Haffert, Joseph D. Long, Alexander D. Hedglen, Alycia J. Weinberger, Katherine B. Follette, Daniel Apai, Rene Doyon, Warren Foster, Victor Gasho, Kyle Van Gorkom, Olivier Guyon, Maggie Y. Kautz, Jay Kueny, Jennifer Lumbres, Avalon McLeod, Eden McEwen, Clarissa Pavao, Logan Pearce, Laura Perez, Lauren Schatz, Judit Szulágyi, Kevin Wagner and Ya-Lin Wu The Astronomical Journal 169(1) 35 (2025) https://doi.org/10.3847/1538-3881/ad8648
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BEBOP VIII. SOPHIE radial velocities reveal an eccentric, circumbinary brown dwarf
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OASIS Survey Direct Imaging and Astrometric Discovery of HIP 71618 B: A Substellar Companion Suitable for the Roman Coronagraph Technology Demonstration*
Mona El Morsy, Thayne Currie, Brianna Lacy, Taylor L. Tobin, Qier An, Yiting Li, Ziying Gu, Masayuki Kuzuhara, Danielle Bovie, Dillon Peng, Jeffrey Chilcote, Olivier Guyon, Miles Lucas, Timothy D. Brandt, Robert de Rosa, Tyler D. Groff, Markus Janson, N. J. Kasdin, Julien Lozi, Christian Marois, Bertrand Mennesson, Naoshi Murakami, Eric Nielsen, Sabina Sagynbayeva, Nour Skaf, et al. The Astrophysical Journal Letters 995(1) L4 (2025) https://doi.org/10.3847/2041-8213/ae195f
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NIRC2 Interferometric Imaging of the HD 34282 Transition Disk’s Small Grain Structure
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A New Brown Dwarf Orbiting an M Star and an Investigation of the Eccentricity Distribution of Transiting Long-period Brown Dwarfs
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GASTLI: A Python package for coupled interior–atmosphere modelling of volatile-rich planets
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Temporal variability in transmission spectra of H2-dominated exoplanets: The influence of thermal evolution and stellar irradiation on atmospheric composition
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Combining reference-star and angular differential imaging for high-contrast imaging of extended sources
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Ján Šubjak, David W. Latham, Samuel N. Quinn, Perry Berlind, Michael L. Calkins, Gilbert A. Esquerdo, Rafael Brahm, José A. Caballero, Karen A. Collins, Eike Guenther, Jan Janík, Petr Kabáth, Richard P. Schwarz, Thiam-Guan Tan, Leonardo Vanzi, Roberto Zambelli, Carl Ziegler, Jon M. Jenkins, Ismael Mireles, Sara Seager, Avi Shporer, Stephanie Striegel and Joshua N. Winn Astronomy & Astrophysics 688 A120 (2024) https://doi.org/10.1051/0004-6361/202349028
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Efficiently Searching for Close-in Companions Around Young M Dwarfs Using a Multiyear PSF Library
Aniket Sanghi, Jerry W. Xuan, Jason J. Wang, Dimitri Mawet, Brendan P. Bowler, Henry Ngo, Marta L. Bryan, Garreth Ruane, Olivier Absil and Elsa Huby The Astronomical Journal 168(5) 215 (2024) https://doi.org/10.3847/1538-3881/ad769f
TOI-1994b: A Low-mass Eccentric Brown Dwarf Transiting A Subgiant Star
Emma Page, Joshua Pepper, Duncan Wright, Joseph E. Rodriguez, Robert A. Wittenmyer, Stephen R. Kane, Brett Addison, Timothy Bedding, Brendan P. Bowler, Thomas Barclay, Karen A. Collins, Phil Evans, Jonathan Horner, Eric L. N. Jensen, Marshall C. Johnson, John Kielkopf, Ismael Mireles, Peter Plavchan, Samuel N. Quinn, S. Seager, Avi Shporer, Keivan G. Stassun, Stephanie Striegel, Joshua N. Winn, George Zhou and Carl Ziegler The Astronomical Journal 167(3) 109 (2024) https://doi.org/10.3847/1538-3881/ad1a18
NGTS-28Ab: a short period transiting brown dwarf
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A Survey of Protoplanetary Disks Using the Keck/NIRC2 Vortex Coronagraph
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E. Nasedkin, P. Mollière, S. Lacour, M. Nowak, L. Kreidberg, T. Stolker, J. J. Wang, W. O. Balmer, J. Kammerer, J. Shangguan, R. Abuter, A. Amorim, R. Asensio-Torres, M. Benisty, J.-P. Berger, H. Beust, S. Blunt, A. Boccaletti, M. Bonnefoy, H. Bonnet, M. S. Bordoni, G. Bourdarot, W. Brandner, F. Cantalloube, P. Caselli, et al. Astronomy & Astrophysics 687 A298 (2024) https://doi.org/10.1051/0004-6361/202449328
Fresh view of the hot brown dwarf HD 984 B through high-resolution spectroscopy
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JWST-TST High Contrast: JWST/NIRCam Observations of the Young Giant Planet β Pic b
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Thirteen New M Dwarf + T Dwarf Pairs Identified with WISE/NEOWISE
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Rotation and Abundances of the Benchmark Brown Dwarf HD 33632 Ab from Keck/KPIC High-resolution Spectroscopy
Chih-Chun Hsu, Jason J. 劲飞 Wang 王, Jerry W. Xuan, Jean-Baptiste Ruffio, Evan Morris, Daniel Echeverri, Yinzi Xin, Joshua Liberman, Luke Finnerty, Katelyn Horstman, Ben Sappey, Gregory W. Doppmann, Dimitri Mawet, Nemanja Jovanovic, Michael P. Fitzgerald, Jacques-Robert Delorme, J. Kent Wallace, Ashley Baker, Randall Bartos, Geoffrey A. Blake, Benjamin Calvin, Sylvain Cetre, Ronald A. López, Jacklyn Pezzato, Tobias Schofield, et al. The Astrophysical Journal 971(1) 9 (2024) https://doi.org/10.3847/1538-4357/ad58d3
ROME. IV. An Arecibo Search for Substellar Magnetospheric Radio Emissions in Purported Exoplanet-hosting Systems at 5 GHz
Are These Planets or Brown Dwarfs? Broadly Solar Compositions from High-resolution Atmospheric Retrievals of ∼10–30 M
Jup Companions
Jerry W. Xuan, Chih-Chun Hsu, Luke Finnerty, Jason Wang, Jean-Baptiste Ruffio, Yapeng Zhang, Heather A. Knutson, Dimitri Mawet, Eric E. Mamajek, Julie Inglis, Nicole L. Wallack, Marta L. Bryan, Geoffrey A. Blake, Paul Mollière, Neda Hejazi, Ashley Baker, Randall Bartos, Benjamin Calvin, Sylvain Cetre, Jacques-Robert Delorme, Greg Doppmann, Daniel Echeverri, Michael P. Fitzgerald, Nemanja Jovanovic, Joshua Liberman, et al. The Astrophysical Journal 970(1) 71 (2024) https://doi.org/10.3847/1538-4357/ad4796
Short-period post-common envelope binaries with Balmer emission from SDSS and LAMOST based on ZTF photometric data
A Volume-limited Sample of Ultracool Dwarfs. II. The Substellar Age and Mass Functions in the Solar Neighborhood
William M. J. Best, Aniket Sanghi, Michael C. Liu, Eugene A. Magnier and Trent J. Dupuy The Astrophysical Journal 967(2) 115 (2024) https://doi.org/10.3847/1538-4357/ad39ef
The Initial Mass Function Based on the Full-sky 20 pc Census of ∼3600 Stars and Brown Dwarfs
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The Epoch of Giant Planet Migration Planet Search Program. II. A Young Hot Jupiter Candidate around the AB Dor Member HS Psc*
Quang H. Tran, Brendan P. Bowler, William D. Cochran, Samuel Halverson, Suvrath Mahadevan, Joe P. Ninan, Paul Robertson, Guđmundur Stefánsson and Ryan C. Terrien The Astronomical Journal 167(5) 193 (2024) https://doi.org/10.3847/1538-3881/ad2eaf
Spin-orbit alignment in very low mass tight binaries: results for the 2MASS J0746425+200032AB and 2MASS J1314203+132001AB systems using spectroscopic and optically derived rotational estimates
SCExAO/CHARIS Multiwavelength High-contrast Imaging of the BD+45°598 Debris Disk
Maria Vincent, Kellen Lawson, Thayne Currie, Jonathan P. Williams, Olivier Guyon, Julien Lozi, Vincent Deo and Sébastien Vievard The Astronomical Journal 168(1) 6 (2024) https://doi.org/10.3847/1538-3881/ad4864
HST astrometry of the closest brown dwarfs‐II. Improved parameters and constraints on a third body
Searching for Planets Orbiting Fomalhaut with JWST/NIRCam
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JWST/NIRCam Imaging of Young Stellar Objects. I. Constraints on Planets Exterior to the Spiral Disk Around MWC 758
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High-Contrast Imaging: Hide and Seek with Exoplanets
Precise Bolometric Luminosities and Effective Temperatures of 23 Late-T and Y Dwarfs Obtained with JWST
Samuel A. Beiler, Michael C. Cushing, J. Davy Kirkpatrick, Adam C. Schneider, Sagnick Mukherjee, Mark S. Marley, Federico Marocco and Richard L. Smart The Astrophysical Journal 973(2) 107 (2024) https://doi.org/10.3847/1538-4357/ad6301
JWST-TST High Contrast: Achieving Direct Spectroscopy of Faint Substellar Companions Next to Bright Stars with the NIRSpec Integral Field Unit
Jean-Baptiste Ruffio, Marshall D. Perrin, Kielan K. W. Hoch, Jens Kammerer, Quinn M. Konopacky, Laurent Pueyo, Alex Madurowicz, Emily Rickman, Christopher A. Theissen, Shubh Agrawal, Alexandra Z. Greenbaum, Brittany E. Miles, Travis S. Barman, William O. Balmer, Jorge Llop-Sayson, Julien H. Girard, Isabel Rebollido, Rémi Soummer, Natalie H. Allen, Jay Anderson, Charles A. Beichman, Andrea Bellini, Geoffrey Bryden, Néstor Espinoza, Ana Glidden, et al. The Astronomical Journal 168(2) 73 (2024) https://doi.org/10.3847/1538-3881/ad5281
Convective mixing in distant and close-in giant planets
Orbital and Atmospheric Characterization of the 1RXS J034231.8+121622 System using High-resolution Spectroscopy Confirms that the Companion is a Low-mass Star
Clarissa R. Do Ó, Ben Sappey, Quinn M. Konopacky, Jean-Baptiste Ruffio, Kelly K. O’Neil, Tuan Do, Gregory Martinez, Travis S. Barman, Jayke S. Nguyen, Jerry W. Xuan, Christopher A. Theissen, Sarah Blunt, William Thompson, Chih-Chun Hsu, Ashley Baker, Randall Bartos, Geoffrey A. Blake, Benjamin Calvin, Sylvain Cetre, Jacques-Robert Delorme, Greg Doppmann, Daniel Echeverri, Luke Finnerty, Michael P. Fitzgerald, Julie Inglis, et al. The Astronomical Journal 167(6) 278 (2024) https://doi.org/10.3847/1538-3881/ad3df3