Browsing by Author "Udry, Stéphane"

Now showing items 1-4 of 4

  • A Pair of TESS Planets Spanning the Radius Valley around the Nearby Mid-M Dwarf LTT 3780 

    Cloutier, Ryan; Eastman, Jason D.; Rodríguez, Joseph E.; Astudillo Defru, Nicola; Bonfils, Xavier; Mortier, Annelies; Watson, Christopher A.; Stalport, Manu; Pinamonti, Matteo; Lienhard, Florian; Harutyunyan, Avet; Damasso, Mario; Latham, David W.; Collins, Karen A.; Massey, Robert; Irwin, Jonathan; Winters, Jennifer G.; Charbonneau, David; Ziegler, Carl; Matthews, Elisabeth; Crossfield, Ian J. M.; Kreidberg, Laura; Quinn, Samuel N.; Ricker, George; Vanderspek, Roland; Seager, Sara; Winn, Joshua; Jenkins, Jon M.; Vezie, Michael; Udry, Stéphane; Twicken, Joseph D.; Tenenbaum, Peter; Sozzetti, Alessandro; Ségransan, Damien; Schlieder, Joshua E.; Sasselov, Dimitar; Santos, Nuno C.; Rice, Ken; Rackham, Benjamin V.; Poretti, Ennio; Piotto, Giampaolo; Phillips, David; Pepe, Francesco; Molinari, Emilio; Mignon, Lucile; Micela, Giuseppina; Melo, Claudio; De Medeiros, José R.; Mayor, Michel; Matson, Rachel A.; Martínez Fiorenzano, Aldo F.; Mann, Andrew W.; Magazzú, Antonio; Lovis, Christophe; López-Morales, Mercedes; López, Eric; Lissauer, Jack J.; Lépine, Sébastien; Law, Nicholas; Kielkopf, John F.; Johnson, John A.; Jensen, Eric L. N.; Howell, Steve B.; Gonzáles, Erica; Ghedina, Adriano; Forveille, Thierry; Figueira, Pedro; Dumusque, Xavier; Dressing, Courtney D.; Doyon, René; Díaz, Rodrigo F.; Di Fabrizio, Luca; Delfosse, Xavier; Cosentino, Rosario; Conti, Dennis M.; Collins, Kevin I.; Collier Cameron, Andrew; Ciardi, David; Caldwell, Douglas A.; Burke, Christopher; Buchhave, Lars; Briceño, César; Boyd, Patricia; Bouchy, François; Beichman, Charles; Artigau, Étienne; Almenara, José Manuel (2020-07)
    We present the confirmation of two new planets transiting the nearby mid-M dwarf LTT 3780 (TIC 36724087, TOI-732, V = 13.07, Ks = 8.204, Rs = 0.374 R⊙, Ms = 0.401 M⊙, d = 22 pc). The two planet candidates are identified ...

  • A Second Planet Transiting LTT 1445A and a Determination of the Masses of Both Worlds 

    Winters, Jennifer; Cloutier, Ryan; Medina, Amber; Irwin, Jonathan; Charbonneau, David; Astudillo Defru, Nicola; Bonfils, Xavier; Howard, Andrew; Isaacson, Howard; Bean, Jacob; Seifahrt, Andreas; Teske, Johanna; Eastman, Jason; Twicken, Joseph; Collins, Karen; Jensen, Eric; Quinn, Samuel; Payne, Matthew; Kristiansen, Martti; Spencer, Alton; Vanderburg, Andrew; Zechmeister, Mathias; Weiss, Lauren; Xuesong Wang, Sharon; Wang, Gavin; Udry, Stéphane; Terentev, Ivan; Stürmer, Julian; Stefánsson, Gudmundur; Shporer, Avi; Shectman, Stephen; Sefako, Ramotholo; Martin Schwengeler, Hans; Schwarz, Richard; Scarsdale, Nicholas; Rubenzahl, Ryan; Roy, Arpita; Rosenthal, Lee; Robertson, Paul; Petigura, Erik; Pepe, Francesco; Omohundro, Mark; Akana Murphy, Joseph; Murgas, Felipe; Močnik, Teo; Montet, Benjamin; Mennickent, Ronald; Mayo, Andrew; Massey, Bob; Lubin, Jack; Lovis, Christophe; Lewin, Pablo; Kasper, David; Kane, Stephen; Jenkins, Jon; Huber, Daniel; Horne, Keith; Hill, Michelle; Gorrini, Paula; Giacalone, Steven; Fulton, Benjamin; Forveille, Thierry; Figueira, Pedro; Fetherolf, Tara; Dressing, Courtney; Díaz, Rodrigo; Delfosse, Xavier; Dalba, Paul; Dai, Fei; Cortés, C.; Crossfield, Ian; Crane, Jeffrey; Conti, Dennis; Collins, Kevin; Chontos, Ashley; Butler, R.; Brown, Peyton; Brady, Madison; Behmard, Aida; Beard, Corey; Batalha, Natalie; Almenara, José Manuel (2022)
    LTT 1445 is a hierarchical triple M-dwarf star system located at a distance of 6.86 pc. The primary star LTT 1445A (0.257 Me) is known to host the transiting planet LTT 1445Ab with an orbital period of 5.36 days, making ...

  • The high-energy environment and atmospheric escape of the mini-Neptune K2-18 b 

    dos Santos, Leonardo A.; Ehrenreich, David; Bourrier, Vincent; Astudillo Defru, Nicola; Bonfils, Xavier; Forget, François; Lovis, Christophe; Pepe, Francesco; Udry, Stéphane (2020-01-31)
    K2-18 b is a transiting mini-Neptune that orbits a nearby (38 pc), cool M3 dwarf and is located inside its region of temperate irradiation. We report on the search for hydrogen escape from the atmosphere K2-18 b using ...

  • Three Red Suns in the Sky: A Transiting, Terrestrial Planet in a Triple M-dwarf System at 6.9 pc 

    Winters, Jennifer G.; Medina, Amber A.; Irwin, Jonathan M.; Charbonneau, David; Astudillo Defru, Nicola; Horch, Elliott P.; Eastman, Jason D.; Vrijmoet, Eliot Halley; Henry, Todd J.; Diamond-Lowe, Hannah; Winston, Elaine; Barclay, Thomas; Bonfils, Xavier; Ricker, George R.; Vanderspek, Roland; Latham, David W.; Seager, Sara; Winn, Joshua N.; Jenkins, Jon M.; Udry, Stéphane; Twicken, Joseph D.; Teske, Johanna K.; Tenenbaum, Peter; Pepe, Francesco; Murgas, Felipe; Muirhead, Philip S.; Mink, Jessica; Lovis, Christophe; Levine, Alan M.; Lépine, Sébastien; Jao, Wei-Chun; Henze1, Cristopher E.; Furész, Gábor; Forveille, Thierry; Figueira, Pedro; Esquerdo, Gilbert A.; Dressing, Courtney D.; Díaz, Rodrigo F.; Delfosse, Xavier; Burke, Christopher J.; Bouchy, François; Berlind, Perry; Almenara, José Manuel (2019-10)
    We present the discovery from Transiting Exoplanet Survey Satellite (TESS) data of LTT 1445Ab. At a distance of 6.9 pc, it is the second nearest transiting exoplanet system found to date, and the closest one known for ...