Stars
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Probabilistic Neural Network Approach to Determining Parameters of Eclipsing Binaries
Kounkel, Marina.; Sizemore, Logan.; Shen, Hidemi Mitani.; Chandler, Nicholas.; Reneau, Noah.; Pourlotfali, Ian.; Payton, Ronald L.; Hutchinson, Brian.; Medan, Ilija.; Stassun, Keivan. (2026). Probabilistic neural network approach to determining parameters of eclipsing binaries. Astronomical Journal, 171(5). https://doi.org/10.3847/1538-3881/ae5b79 Eclipsing binaries are pairs of stars that pass in front… Read MoreMay. 27, 2026
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Antisolar Differential Rotation May Have Revived Magnetic Braking in the Subgiant 31 Aquilae
Metcalfe, Travis S.; Van Saders, Jennifer L.; Ayres, Thomas R.; Buzasi, Derek.; Drake, Jeremy J.; Egeland, Ricky.; García, Rafael A.; Kochukhov, Oleg.; Saar, Steven H.; Stassun, Keivan G.; Basu, Sarbani.; Ong, J. M. Joel.; Stokholm, Amalie.; Bedding, Timothy R.; Breton, Sylvain N.; Ilyin, Ilya V.; Petit, Pascal.; Pinsonneault,… Read MoreMay. 26, 2026
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Mapping the Distant and Metal-poor Milky Way with SDSS-V
Chandra, Vedant; Cargile, Phillip A.; Ji, Alexander P.; Conroy, Charlie; Rix, Hans-Walter; Cunningham, Emily; Dias, Bruno; Laporte, Chervin; Cerny, William; Limberg, Guilherme; Bandyopadhyay, Avrajit; Bonaca, Ana; Casey, Andrew R.; Donor, John; Fernández-Trincado, José G.; Frinchaboy, Peter M.; Gupta, Pramod; Hawkins, Keith; Johnson, Jennifer A.; Kollmeier, Juna A.; Lucey,… Read MoreApr. 29, 2026
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TOI-1080 b: a temperate, rocky planet orbiting a quiet M4V host
Gómez Maqueo Chew, Yadira; Dransfield, George; Barkaoui, Khalid; Cadieux, Charles; Ducrot, Elsa; Rackham, Benjamin V.; Timmermans, Maarten; Burgasser, Adam J.; Segura, Antígona; Stassun, Keivan G.; Ziegler, Carl; Soubkiou, Ahmed; Almenara, José M.; Demory, Brice O.; Gillon, Michaël; Jenkins, Jon M.; Jofré, Ezequiel; Khandelwal, Ankit; Páez, Sebastián; Petrucci, Roberto;… Read MoreApr. 29, 2026
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An Oasis in the Brown Dwarf Desert: Confirmation of Two Low-mass Transiting Brown Dwarfs Discovered by TESS
Zhang, Elina Yuchen; Carmichael, Theron W.; Huber, Daniel; Stassun, Keivan G.; Fukui, Akihiko; Narita, Norio; Murgas, Felipe; Pallé, Enric; Latham, David W.; Calkins, Michael L.; Seager, Sara; Winn, Joshua N.; Vezie, Michael; Hounsell, Rebekah; Osborn, Hugh P.; Caldwell, Douglas A.; Jenkins, Jon M. (2026). An oasis in the… Read MoreApr. 29, 2026
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The Importance of Standardizing Spectra in the Era of Large Spectroscopic Surveys: A Case Study of M Dwarfs in SDSS-V
Medan, Ilija; Way, Zachary; Rojas-Ayala, Bárbara; Stringfellow, Guy S.; Sayres, Conor; Stassun, Keivan G.; Casey, Andrew R.; Lépine, Sébastien; Galligan, Emma; Souto, Diogo; Saydjari, Andrew K. (2025). The importance of standardizing spectra in the era of large spectroscopic surveys: A case study of M dwarfs in SDSS-V. Astronomical Journal,… Read MoreApr. 29, 2026
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SPYGLASS. VII-A. The Demographics and Ages of Small Nearby Young Associations
Kerr, Ronan; Paolino, Facundo Pérez; Tan, Jonathan C.; Speagle, Joshua S.; Kraus, Adam L.; Fernández-Trincado, José G.; Stassun, Keivan G.; Chanamé, Julio (2025). Spyglass. VII-A. The demographics and ages of small nearby young associations. Astrophysical Journal, 995(2), 217. https://doi.org/10.3847/1538-4357/ae1731 Recent surveys using data from the Gaia space telescope have… Read MoreApr. 29, 2026
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Giant Outer Transiting Exoplanet Mass (GOTa EM) survey: VII. TOI-6041: A multi-planet system including a warm Neptune exhibiting strong transit-timing variations
Heidari, Neda; Alnajjarine, Ahmad; Osborn, Hugh P.; Dragomir, Diana; Dalba, Paul; Benz, Willy; Hébrard, Guillaume; Laskar, Jacques; Billot, Nicolas; Günther, Maximilian N.; Wilson, Thomas G.; Alibert, Yann; Bonfanti, Andrea; Bieryla, Allyson; Broeg, Christopher; Correia, Alexandre C. M.; Egger, Jan A.; Essack, Ziyaad; Furlan, Elsa; Gandolfi, Davide; Grieves, Neil;… Read MoreApr. 29, 2026
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TOI-3862 b: A dense super-Neptune deep in the hot Neptune desert
Ilaria Carleo; Amadeo Castro-González; Enric Pallé; Felipe Murgas; Grzegorz Nowak; Gaia Lacedelli; Thomas Masseron; Emily W. Wong; Patrick Eggenberger; Vincent Bourrier; Dawid Jankowski; Krzysztof Goździewski; Douglas R. Alves; James S. Jenkins; Sergio Messina; Keivan G. Stassun; Jose I. Vines; Matteo Brogi; David R. Ciardi; Catherine A. Clark; William Cochran; Karen… Read MoreMar. 26, 2026
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Two temperate Earth- and Neptune-sized planets orbiting fully convective M dwarfs
Madison G. Scott; Georgina Dransfield; Mathilde Timmermans; Amaury H. M. J. Triaud; Benjamin V. Rackham; Khalid Barkaoui; Adam J. Burgasser; Karen A. Collins; Michaël Gillon; Steve B. Howell; Alan M. Levine; Francisco J. Pozuelos; Keivan G. Stassun; Carl Ziegler; Yilen Gomez Maqueo Chew; Catherine A. Clark; Yasmin Davis;… Read MoreMar. 26, 2026