Stars
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TOI-333b: A Neptune-desert planet around an F7V star
Alves, Douglas R.; Jenkins, James S.; Vines, Jos矇 I.; Moyano, Maximilano; Anderson, David R.; Magliano, Christian; Covone, G.; Stassun, Keivan Guadalupe; Soubkiou, Abderahmane; Gillen, Edward C. P.; Battley, Matthew P.; Hughes, Alexander; Armstrong, David J.; Saha, Suman; Hawthorn, Faith; Wheatley, Peter J.; Collins, Karen A.; Schwarz, Richard P.;… Read MoreFebruary 25, 2026
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Stellar Library of Differential Emission Measures and Extreme Ultraviolet Spectra: Dwarf Stars Observed by the Extreme Ultraviolet Explorer
Duvvuri, Girish M.; Berta-Thompson, Zachory K.; Pineda, John Sebastian; France, Kevin C.; Brown, Alexander; Youngblood, Allison A.; Wilson, David J.; Froning, Cynthia S.; Schneider, Peter Christian; Ayres, Thomas R.; & Stassun, Keivan Guadalupe. (2025).��Stellar library of differential emission measures and extreme ultraviolet spectra: Dwarf stars observed by… Read MoreFebruary 25, 2026
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A decade of transit photometry for K2-19: Revised system architecture ���
Almenara, J. M., Mardling, R. A., Leleu, A., D穩az, R. F., Bonfils, X., Jiang, I. G., Yeh, L., Yang, M., Stassun, K. G., A-Thano, N., Edwards, B., Bouchy, F., Bourrier, V., Deline, A., Ehrenreich, D., Fontanet, E., Forveille, T., Jenkins, J. M., Kwok, L. K. W., Lendl, M. Read MoreDecember 19, 2025
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Calibration of binary population synthesis models using white dwarf binaries from APOGEE, GALEX, and Gaia
Rubio, A. C., Breivik, K., Badenes, C., El-Badry, K., Anguiano, B., Linck, E., Majewski, S. R., & Stassun, K. G. (2025).��Calibration of binary population synthesis models using white dwarf binaries from APOGEE, GALEX, and Gaia.��Astronomy and Astrophysics,��704, A6.��https://doi.org/10.1051/0004-6361/202555600 This study looks at how pairs… Read MoreDecember 19, 2025
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Two warm Earth-sized exoplanets and an Earth-sized candidate in the M5V-M6V binary system TOI-2267
Z繳niga-Fern獺ndez, Sebastian., Pozuelos, Francisco J., Devora-Pajares, Mart穩n., Cuello, Nicolas., Greklek-McKeon, Michael., Stassun, Keivan Guadalupe., van Grootel, Val矇rie., Rojas-Ayala, B獺rbara., Korth, Judith., G羹nther, Maximilian N., Burgasser, Adam J., Hsu, Chihchun., Rackham, Benjamin V., Barkaoui, Khalid., Timmermans, Mathilde., Cadieux, Charles., Alonso, Roi., Strakhov, Ivan A., Howell, Steve B., Littlefield, Colin.,… Read MoreNovember 23, 2025
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A Galactic Interloper: A Study of the Camelopardis OB1 Association���s Clusters and Its Visitor from the Perseus Arm
Mullen, Joseph P.; Mast, Amanda; Kounkel, Marina A.; Stassun, Keivan Guadalupe; Roman-Lopes, Alexandre; Tan, Jonathan C. (2025). A Galactic Interloper: A Study of the Camelopardis OB1 Association’s Clusters and Its Visitor from the Perseus Arm. Astrophysical Journal, 992(1), 17. https://doi.org/10.3847/1538-4357/adfb7a Within the Camelopardalis OB1… Read MoreOctober 23, 2025
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Discovery of the pre-main-sequence eclipsing binary MML 48
G籀mez Maqueo Chew, Yadira G籀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 MoreOctober 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獺 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 MoreOctober 23, 2025
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Atmospheric parameters and chemical abundances of young stars with APOGEE ��� I. Orion star-forming region
L籀pez-Valdivia, Ricardo; Adame, Luc穩a; Rom獺n-Z繳簽iga, Carlos G.; Hern獺ndez, Jesus V.; ��anchez, Edilberto; Herrn獺ndez-Aburto, Itzarel; Fern獺ndez-Trincado, Jos矇 G.; Zagala Lagunas, Eduardo; Carigi, Leticia; M矇ndez-Delgado, Jos矇 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 MoreOctober 23, 2025
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Three hot Jupiters transiting K-dwarfs with significant heavy element masses
Frensch, Yolanda G.C., Bouchy, Fran癟ois, Lo Curto, Gaspare, Ulmer-Moll, Solene, Sousa, S矇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 MoreSeptember 26, 2025