Stars
-
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
-
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
-
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
-
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 MoreFeb. 25, 2026
-
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
-
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 MoreDec. 19, 2025
-
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
-
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 MoreOct. 23, 2025
-
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). Discovery of… Read MoreOct. 23, 2025
-
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). 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