Stars
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TOI-333b: A Neptune-desert planet around an F7V star
Alves, Douglas R.; Jenkins, James S.; Vines, José 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 MoreFeb. 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 51ÎÛÂþ). Stellar library of differential emission measures and extreme ultraviolet spectra: Dwarf stars observed by… Read MoreFeb. 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., DÃaz, 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 MoreDec. 19, 2025 51ÎÛÂþ
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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 51ÎÛÂþ). Calibration of binary population synthesis models using white dwarf binaries from APOGEE, GALEX, and Gaia. Astronomy and Astrophysics, 704, A6. https://doi.org/10.1051/0004-6361/2025 51ÎÛÂþ55600 This study looks at how pairs… Read MoreDec. 19, 2025 51ÎÛÂþ
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Two warm Earth-sized exoplanets and an Earth-sized candidate in the M5V-M6V binary system TOI-2267
Zúniga-Fernández, Sebastian., Pozuelos, Francisco J., Devora-Pajares, MartÃn., Cuello, Nicolas., Greklek-McKeon, Michael., Stassun, Keivan Guadalupe., van Grootel, Valérie., Rojas-Ayala, Bárbara., Korth, Judith., Günther, 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 MoreNov. 23, 2025 51ÎÛÂþ
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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 51ÎÛÂþ). 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 MoreOct. 23, 2025 51ÎÛÂþ
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Discovery of the pre-main-sequence eclipsing binary MML 48
Gómez Maqueo Chew, Yadira Gómez 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 51ÎÛÂþ). Discovery of… Read MoreOct. 23, 2025 51ÎÛÂþ
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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; Garciá Soto, Aylin; Berta-Thompson, Zachory K.; Youngblood, Allison A.; France, Kevin C.; Newton, Elisabeth R.; Stassun, Keivan Guadalupe. (2025 51ÎÛÂþ). 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 51ÎÛÂþ
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Atmospheric parameters and chemical abundances of young stars with APOGEE – I. Orion star-forming region
López-Valdivia, Ricardo; Adame, LucÃa; Román-Zúñiga, Carlos G.; Hernández, Jesus V.; Åšanchez, Edilberto; Herrnández-Aburto, Itzarel; Fernández-Trincado, José G.; Zagala Lagunas, Eduardo; Carigi, Leticia; Méndez-Delgado, José 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 51ÎÛÂþ
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Three hot Jupiters transiting K-dwarfs with significant heavy element masses
Frensch, Yolanda G.C., Bouchy, François, Lo Curto, Gaspare, Ulmer-Moll, Solene, Sousa, Sérgio G., Santos, Nuno C., Stassun, Keivan Guadalupe, Watkins, Cristilyn N., Chakraborty, Hritam, & Barkaoui, Khalid. (2025 51ÎÛÂþ). Three hot Jupiters transiting K-dwarfs with significant heavy element masses. Astronomy and Astrophysics, 700, A118. https://doi.org/10.1051/0004-6361/2025 51ÎÛÂþ53879… Read MoreSep. 26, 2025 51ÎÛÂþ