Astronomy
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TOI-1438: A rare system with two short-period sub-Neptunes and a tentative long-period Jupiter-like planet orbiting a K0V star
Persson, Carina M.; Knudstrup, Emil; Carleo, Ilaria; Acu帽a-Aguirre, Lorena; Nowak, Grzegorz; Muresan, Alexandra; Jankowski, Dawid; Go藕dziewski, Krzysztof; Garc铆a, Rafael A.; Mathur, Savita; Palakkatharappil, Dinil B.; Borg, Lina; Mustill, Alexander James; Barrena, Rafael; Fridlund, Malcolm C.V.; Gandolfi, Davide; Hatzes, Artie P.; Korth, Judith; Luque, Rafael; Mart铆n, Eduardo L.; Masseron,… Read MoreOct. 23, 2025
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Discovery of the pre-main-sequence eclipsing binary MML 48
G贸mez Maqueo Chew, Yadira G贸mez Maqueo; Hebb, Leslie; Stempels, Henricus C.; Walter, Frederick M.; James, David J.; Feiden, Gregory A.; Petrucci, Romina P.; Lister, Tim A.; Baraffe, Isabelle; Brodheim, Max N.; Faedi, Francesca; Anderson, David R.; Street, Rachel A.; Hellier, Coel; Stassun, Keivan Guadalupe. (2025). Discovery of… Read MoreOct. 23, 2025
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FUMES. IV. Optical and Far-ultraviolet Spectra of a Flare on the M Dwarf GJ 4334
Duvvuri, Girish M.; Pineda, John Sebastian; Garci谩 Soto, Aylin; Berta-Thompson, Zachory K.; Youngblood, Allison A.; France, Kevin C.; Newton, Elisabeth R.; Stassun, Keivan Guadalupe. (2025). FUMES. IV. Optical and Far-ultraviolet Spectra of a Flare on the M Dwarf GJ 4334. Astronomical Journal, 170(4), 249. https://doi.org/10.3847/1538-3881/adff74… Read MoreOct. 23, 2025
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Atmospheric parameters and chemical abundances of young stars with APOGEE 鈥� I. Orion star-forming region
L贸pez-Valdivia, Ricardo; Adame, Luc铆a; Rom谩n-Z煤帽iga, Carlos G.; Hern谩ndez, Jesus V.; 艢anchez, Edilberto; Herrn谩ndez-Aburto, Itzarel; Fern谩ndez-Trincado, Jos茅 G.; Zagala Lagunas, Eduardo; Carigi, Leticia; M茅ndez-Delgado, Jos茅 Eduardo; Kounkel, Marina A.; Serna, Javier M.; Lane, Richard R.; Stassun, Keivan Guadalupe; Villanova, Sandro; Kim, Jinyoung Serena; Wolk, Scott J.; Stringfellow, Guy S.;… Read MoreOct. 23, 2025
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The SPACE Program I. The featureless spectrum of HD 86226 c challenges sub-Neptune atmosphere trends
Ang茅lique Kahle, Katherine A.; Blecic, Jasmina; Ashtari, Reza; Kreidberg, Laura; Kawashima, Yui; Cubillos, Patricio E.; Deming, L. Drake; Jenkins, James S.; Molli猫re, Paul; Redfield, Seth L.; Tian, Qiushi Chris; Vines, Jos茅 I.; Wilson, David J.; Acun茫, Lorena; Bitsch, Bertram; Brande, Jonathan; France, Kevin C.; Stevenson, Kevin B.; Crossfield,… Read MoreOct. 23, 2025
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Discovery of a transiting hot water-world candidate orbiting Ross 176 with TESS and CARMENES
Gerald铆a-Gonz谩lez, Samuel, Orell-Miquel, Jaume, Palle虂, Enric B., Murgas, Felipe, Lacedelli, Gaia, B茅jar, V铆ctor Javier S谩nchez, Caballero, Jos茅 A., Duque-Arribas, C., Lillo-Box, Jorge, & Montes, D. (2025). Discovery of a transiting hot water-world candidate orbiting Ross 176 with TESS and CARMENES. Astronomy and Astrophysics, 700, A216. https://doi.org/10.1051/0004-6361/202553719… Read MoreSep. 26, 2025
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Three hot Jupiters transiting K-dwarfs with significant heavy element masses
Frensch, Yolanda G.C., Bouchy, Fran莽ois, Lo Curto, Gaspare, Ulmer-Moll, Solene, Sousa, S茅rgio G., Santos, Nuno C., Stassun, Keivan Guadalupe, Watkins, Cristilyn N., Chakraborty, Hritam, & Barkaoui, Khalid. (2025). Three hot Jupiters transiting K-dwarfs with significant heavy element masses. Astronomy and Astrophysics, 700, A118. https://doi.org/10.1051/0004-6361/202553879… Read MoreSep. 26, 2025
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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
Gan, Tianjun, Cadieux, Charles, Ida, Shigeru, Wang, Sharon Xuesong, Mao, Shude, Lin, Zitao, Stassun, Keivan Guadalupe, Burgasser, Adam J., Howell, Steve B., & Clark, Catherine A. (2025). 鈥淎 new brown dwarf orbiting an M star and an investigation of the eccentricity distribution of transiting long-period brown dwarfs.鈥�… Read MoreAug. 25, 2025
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SDSS-V Milky Way Mapper (MWM): ASPCAP stellar parameters and abundances in SDSS-V Data Release 19
M茅sz谩ros, Szabolcs, Jofr茅, Paula, Johnson, Jennifer A., Bird, Jonathan C., Bovy, Jo, Casey, Andrew R., Chanam茅, Julio C., Cunha, K谩tia, De Lee, Nathan, & Frinchaboy, Peter M. (2025). 鈥淪DSS-V Milky Way Mapper (MWM): ASPCAP stellar parameters and abundances in SDSS-V Data Release 19.鈥� Astronomical Journal, 170(2), 96. Read MoreAug. 25, 2025
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Seasonal changes in the atmosphere of HD 80606 b observed with JWST鈥檚 NIRSpec/G395H
Sikora, James T., Rowe, Jason F., Splinter, Jared, Barat, Saugata, Dang, Lisa, Cowan, Nicolas B., Barclay, Thomas S., Col贸n, Knicole D., D茅sert, Jean Michel, & Kane, Stephen R. (2025). 鈥淪easonal changes in the atmosphere of HD 80606 b observed with JWST鈥檚 NIRSpec/G395H.鈥� Astronomical Journal, 170(2), 105. Read MoreAug. 25, 2025