Astronomy
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The Two-zone Temperature Distribution Model: Inferences on the Structure and Composition of Dusty Protoplanetary Disks
Grimble, William; Kastner, Joel; Sargent, B.; Stassun, Keivan G. (2025). The two-zone temperature distribution model: Inferences on the structure and composition of dusty protoplanetary disks. Astrophysical Journal, 995(1), 86. https://doi.org/10.3847/1538-4357/ae1601 To better understand protoplanetary disks—the disks of gas and dust around young stars where planets form—scientists need models… Read MoreApr. 29, 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, AntÃgona; 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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Sloan Digital Sky Survey. V. Pioneering Panoptic Spectroscopy
Kollmeier, Juna A.; Rix, Hans-Walter; Aerts, Conny; Aird, James; Alfaro, Pablo Vera; Almeida, Andrés; Anderson, Scott F.; Arseneau, Stefan M.; Assef, Roberto J.; Aviram, Shir; Aydar, Catarina; Badenes, Carles; Bandyopadhyay, Avrajit; Barger, Kat; Barkhouser, Robert H.; Bauer, Franz E.; Behmard, Aida; Bender, Chad; Besser, Felipe; Bhattarai, Binod; Bilgi,… 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