Planets
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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, Martín., 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
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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; Acuña-Aguirre, Lorena; Nowak, Grzegorz; Muresan, Alexandra; Jankowski, Dawid; Goździewski, Krzysztof; García, 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; Martín, Eduardo L.; Masseron,… Read MoreOct. 23, 2025
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The SPACE Program I. The featureless spectrum of HD 86226 c challenges sub-Neptune atmosphere trends
Angélique Kahle, Katherine A.; Blecic, Jasmina; Ashtari, Reza; Kreidberg, Laura; Kawashima, Yui; Cubillos, Patricio E.; Deming, L. Drake; Jenkins, James S.; Mollière, Paul; Redfield, Seth L.; Tian, Qiushi Chris; Vines, José I.; Wilson, David J.; Acunã, 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
Geraldía-González, Samuel, Orell-Miquel, Jaume, Pallé, Enric B., Murgas, Felipe, Lacedelli, Gaia, Béjar, Víctor Javier Sánchez, Caballero, José 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, François, Lo Curto, Gaspare, Ulmer-Moll, Solene, Sousa, Sérgio 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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Seasonal changes in the atmosphere of HD 80606 b observed with JWST’s NIRSpec/G395H
Sikora, James T., Rowe, Jason F., Splinter, Jared, Barat, Saugata, Dang, Lisa, Cowan, Nicolas B., Barclay, Thomas S., Colón, Knicole D., Désert, Jean Michel, & Kane, Stephen R. (2025). “Seasonal changes in the atmosphere of HD 80606 b observed with JWST’s NIRSpec/G395H.” Astronomical Journal, 170(2), 105. Read MoreAug. 25, 2025
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HD 35843: A Sun-like star hosting a long-period sub-Neptune and inner super-Earth
Hesse, Katharine M., Mireles, Ismael, Bouchy, François, Dragomir, Diana, Ulmer-Moll, Solene, Eisner, Nora L., Stassun, Keivan Guadalupe, Quinn, Samuel N., Osborn, Hugh P., & Sousa, Sérgio G. (2025). “HD 35843: A Sun-like star hosting a long-period sub-Neptune and inner super-Earth.” Astronomical Journal, 170(2), 108. https://doi.org/10.3847/1538-3881/add7d7… Read MoreAug. 25, 2025
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Giant Outer Transiting Exoplanet Mass (GOT ‘EM) Survey. VI. Confirmation of a Long-period Giant Planet Discovered with a Single TESS Transit
Essack, Zahra, Dragomir, Diana, Dalba, Paul A., Battley, Matthew P., Ciardi, David R., Collins, Karen A., Howell, Steve B., Jones, Matias I., Kane, Stephen R., Mamajek, Eric E., Mann, Christopher R., Mireles, Ismael, Oddo, Dominic, Sgro, Lauren A., Stassun, Keivan G., Ulmer-Moll, Solene, Watkins, Cristilyn N., Yee, Samuel… Read MoreJul. 28, 2025
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TOI-2407 b: a warm Neptune in the desert
Janó Muñoz, Carlos, Hooton, Matthew J., Pedersen, Per P., Barkaoui, Khalid, Rackham, Benjamin V., Burgasser, Adam J., Pozuelos, Francisco J., Stassun, Keivan G., Queloz, Didier, Triaud, Amaury H. M. J., Ziegler, Christoph, Almenara, José M., Timmermans, Mathilde, Bonfils, Xavier, Collins, Karen A., Demory, Brice O., Dransfield, Georgina, Ghachoui,… Read MoreJul. 28, 2025
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TOI-6478 b: A cold underdense Neptune transiting a fully convective M dwarf from the thick disc
Scott, Madison G., Triaud, Amaury H. M. J., Barkaoui, Khalid, Sebastian, Daniel, Burgasser, Adam J., Collins, Karen A., Dransfield, Georgina, Hellier, Coel, Howell, Steve B., Piette, Anjali A. A., Rackham, Benjamin V., Stassun, Keivan G., Stokholm, Amalie, Timmermans, Mathilde, Watkins, Cristilyn N., Fausnaugh, Michael, Fukui, Akihiko, Jenkins, Jon… Read MoreJul. 28, 2025