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A large sample of long-period giant planets has been discovered thanks to long-term radial velocity surveys, but only a few dozen of these planets have a precise radius measurement. Transiting gas giants are crucial targets for the study of…
Earth and Planetary Astrophysics · Physics
2023-06-14
S. Ulmer-Moll , H. P. Osborn , A. Tuson , J. A. Egger , M. Lendl , P. Maxted , A. Bekkelien , A. E. Simon , G. Olofsson , V. Adibekyan , Y. Alibert , A. Bonfanti , F. Bouchy , A. Brandeker , M. Fridlund , D. Gandolfi , C. Mordasini , C. M. Persson , S. Salmon , L. M. Serrano , S. G. Sousa , T. G. Wilson , M. Rieder , J. Hasiba , J. Asquier , D. Sicilia , I. Walter , R. Alonso , G. Anglada , D. Barrado y Navascues , S. C. C. Barros , W. Baumjohann , M. Beck , T. Beck , W. Benz , N. Billot , X. Bonfils , L. Borsato , C. Broeg , T. Bárczy , J. Cabrera , S. Charnoz , M. Cointepas , A. Collier Cameron , Sz. Csizmadia , P. E. Cubillos , M. B. Davies , M. Deleuil , A. Deline , L. Delrez , O. D. S. Demangeon , B. -O. Demory , X. Dumusque , D. Ehrenreich , N. L. Eisner , A. Erikson , A. Fortier , L. Fossati , M. Gillon , N. Grieves , M. Güdel , J. Hagelberg , R. Helled , S. Hoyer , K. G. Isaak , L. L. Kiss , J. Laskar , A. Lecavelier des Etangs , C. Lovis , D. Magrin , V. Nascimbeni , J. Otegi , R. Ottensammer , I. Pagano , E. Pallé , G. Peter , G. Piotto , D. Pollacco , A. Psaridi , D. Queloz , R. Ragazzoni , N. Rando , H. Rauer , I. Ribas , N. C. Santos , G. Scandariato , A. M. S. Smith , M. Steller , G. M. Szabó , D. Ségransan , N. Thomas , S. Udry , V. Van Grootel , J. Venturini , N. A. Walton
Aims. A transiting planet candidate with a sub-Neptune radius orbiting the nearby ($d$ = 51.9$\pm$0.07 pc) M1.5 V star TOI-1470 with a period of $\sim$2.5 d was announced by the NASA Transiting Exoplanet Survey Satellite (TESS), which…
Earth and Planetary Astrophysics · Physics
2023-07-26
E. González-Álvarez , M. R. Zapatero Osorio , J. A. Caballero , V. J. S. Béjar , C. Cifuentes , A. Fukui , E. Herrero , K. Kawauchi , J. H. Livingston , M. J. López-González , G. Morello , F. Murgas , N. Narita , E. Pallé , V. M. Passegger , E. Rodríguez , C. Rodríguez-López , J. Sanz-Forcada , A. Schweitzer , H. M. Tabernero , A. Quirrenbach , P. J. Amado , D. Charbonneau , D. R. Ciardi , S. Cikota , K. A. Collins , D. M. Conti , M. Fausnaugh , A. P. Hatzes , C. Hedges , Th. Henning , J. M. Jenkins , D. W. Latham , B. Massey , D. Moldovan , D. Montes , A. Panahi , A. Reiners , I. Ribas , G. R. Ricker , S. Seager , A. Shporer , G. Srdoc , P. Tenenbaum , R. Vanderspek , J. N. Winn , I. Fukuda , M. Ikoma , K. Isogai , Y. Kawai , M. Mori , M. Tamura , N. Watanabe
We present the discovery by the TESS mission of one transiting Neptune-sized planet, TOI-6223 b and two transiting super-Earths, TOI-1743 b and TOI-5799 b. We validate these planets using a statistical validation method, multi-color light…
Earth and Planetary Astrophysics · Physics
2025-10-22
S. Yalçınkaya , K. Barkaoui , Ö. Baştürk , M. Gillon , F. J. Pozuelos , M. Timmermans , B. V. Rackham , A. J. Burgasser , P. Mistry , A. Peláez-Torres , G. Morello , E. K. Pass , A. Bieryla , D. W. Latham , K. A. Collins , F. Akar , Z. Benkhaldoun , A. Burdanov , J. Brande , D. R. Ciardi , C. A. Clark , E. Ducrot , J. de Wit , B. O. Demory , E. M. Esmer , M. E. Everett , G. Fernández-Rodriguez , A. Fukui , M. Ghachoui , E. A. Gilbert , E. Girardin , Y. Gómez Maqueo Chew , K. Ikuta , K. Isogai , M. J. Hooton , M. Jafariyazani , E. Jehin , J. M. Jenkins , P. R. Karpoor , Y. Kawai , K. Kawauchi , A. Khandelwal , A. C. Kutluay , G. Lacedelli , M. Lendl , M. B. Lund , F. Murgas , N. Narita , E. Palle , P. P. Pedersen , I. Plauchu-Frayn , A. S. Polanski , D. Queloz , U. Schroffenegger , R. P. Schwarz , A. Shporer , E. Softich , S. Sohy , A. Soubkiou , G. Srdoc , I. A. Strakhov , A. H. M. J. Triaud , C. Ziegler , F. Zong Lang , S. Zúñiga-Fernández
Context. Characterization of warm giants is crucial to constrain giant planet formation and evolution. Measuring the mass and radius of these planets, combined with their moderated irradiation, allows us to estimate their planetary bulk…
Earth and Planetary Astrophysics · Physics
2026-02-19
Felipe I. Rojas , Rafael Brahm , Andrés Jordán , Néstor Espinoza , Thomas Henning , Jan Eberhardt , Melissa J. Hobson , Martin Schlecker , Marcelo Tala Pinto , Trifon Trifonov , Lyu Abe , Gaspar Bakos , Mauro Barbieri , Khalid Barkaoui , Christopher J. Burke , R. Paul Butler , Ilaria Carleo , Karen A. Collins , Jeffrey D. Crane , Zoltan Csubry , Phil Evans , Tristan Guillot , Chelsea X. Huang , Jon M. Jenkins , Matias I. Jones , Diana Kossakowski , David W. Latham , Andrew W. Mann , Djamel Mékarnia , Maximiliano Moyano , Sangeetha Nandakumar , Hugh P. Osborn , George Ricker , David Rodriguez , Paula Sarkis , Richard P. Schwarz , Sara Seager , Ramotholo Sefako , Stephen Shectman , Gregor Srdoc , Stephanie Striegel , Vincent Suc , Johanna Teske , Ian Thompson , Pascal Torres-Miranda , Roland Vanderspek , José Vines , Sharon X. Wang , Joshua N. Winn , Carl Ziegler
We present the validation of a transiting low-density exoplanet orbiting the M2.5 dwarf TOI 620 discovered by the NASA TESS mission. We utilize photometric data from both TESS and ground-based follow-up observations to validate the…
Earth and Planetary Astrophysics · Physics
2022-05-18
Michael A. Reefe , Rafael Luque , Eric Gaidos , Corey Beard , Peter P. Plavchan , Marion Cointepas , Bryson L. Cale , Enric Palle , Hannu Parviainen , Dax L. Feliz , Jason Eastman , Keivan Stassun , Jonathan Gagné , Jon M. Jenkins , Patricia T. Boyd , Richard C. Kidwell , Scott McDermott , Karen A. Collins , William Fong , Natalia Guerrero , Jose-Manuel Almenara-Villa , Jacob Bean , Charles A. Beichman , John Berberian , Allyson Bieryla , Xavier Bonfils , François Bouchy , Madison Brady , Edward M. Bryant , Luca Cacciapuoti , Caleb I. Cañas , David R. Ciardi , Kevin I. Collins , Ian Crossfield , Courtney D. Dressing , Philipp Eigmueller , Mohammed El Mufti , Emma Esparza-Borges , Akihiko Fukui , Peter Gao , Claire Geneser , Crystal L. Gnilka , Erica Gonzales , Arvind F. Gupta , Sam Halverson , Fred Hearty , Steve B. Howell , Jonathan Irwin , Shubham Kanodia , David Kasper , Takanori Kodama , Veselin Kostov , David W. Latham , Monika Lendl , Andrea Lin , John H. Livingston , Jack Lubin , Suvrath Mahadevan , Rachel Matson , Elisabeth Matthews , Felipe Murgas , Norio Narita , Patrick Newman , Joe Ninan , Ares Osborn , Samuel N. Quinn , Paul Robertson , Arpita Roy , Joshua Schlieder , Christian Schwab , Andreas Seifahrt , Gareth D. Smith , Ahmad Sohani , Guðmundur Stefánsson , Daniel Stevens , Julian Stürmer , Angelle Tanner , Ryan Terrien , Johanna Teske , David Vermilion , Sharon X. Wang , Justin Wittrock , Jason T. Wright , Mathias Zechmeister , Farzaneh Zohrabi
We report the discovery and Doppler mass measurement of a 7.4-day 2.3-$R_\oplus$ mini-Neptune around a metal-poor K dwarf BD+29 2654 (TOI-2018). Based on a high-resolution Keck/HIRES spectrum, the Gaia parallax, and multi-wavelength…
Earth and Planetary Astrophysics · Physics
2023-08-02
Fei Dai , Kevin C. Schlaufman , Henrique Reggiani , Luke Bouma , Andrew W. Howard , Ashley Chontos , Daria Pidhorodetska , Judah Van Zandt , Joseph M. Akana Murphy , Ryan A. Rubenzahl , Alex S. Polanski , Jack Lubin , Corey Beard , Steven Giacalone , Rae Holcomb , Natalie M. Batalha , Ian Crossfield , Courtney Dressing , Benjamin Fulton , Daniel Huber , Howard Isaacson , Stephen R. Kane , Erik A. Petigura , Paul Robertson , Lauren M. Weiss , Alexander A. Belinski , Andrew W. Boyle , Christopher J. Burke , Amadeo Castro-González , David R. Ciardi , Tansu Daylan , Akihiko Fukui , Holden Gill , Natalia M. Guerrero , Coel Hellier , Steve B. Howell , Jorge Lillo-Box , Felipe Murgas , Norio Narita , Enric Pallé , David R. Rodriguez , Arjun B. Savel , Avi Shporer , Keivan G. Stassun , Stephanie Striegel , Douglas A. Caldwell , Jon M. Jenkins , George R. Ricker , Sara Seager , Roland Vanderspek , Joshua N. Winn
We confirm the planetary nature of a warm Jupiter transiting the early M dwarf TOI-1899, using a combination of available TESS photometry; high-precision, near-infrared spectroscopy with the Habitable-zone Planet Finder; and speckle and…
Earth and Planetary Astrophysics · Physics
2020-09-07
Caleb I. Cañas , Gudmundur Stefansson , Shubham Kanodia , Suvrath Mahadevan , William D. Cochran , Michael Endl , Paul Robertson , Chad F. Bender , Joe P. Ninan , Corey Beard , Jack Lubin , Arvind F. Gupta , Mark E. Everett , Andrew Monson , Robert F. Wilson , Hannah M. Lewis , Mary Brewer , Steven R. Majewski , Leslie Hebb , Rebekah I. Dawson , Scott A. Diddams , Eric B. Ford , Connor Fredrick , Samuel Halverson , Fred Hearty , Andrea S. J. Lin , Andrew J. Metcalf , Jayadev Rajagopal , Lawrence W. Ramsey , Arpita Roy , Christian Schwab , Ryan C. Terrien , Jason T. Wright
TOI-1899 b is a rare exoplanet, a temperate Warm Jupiter orbiting an M-dwarf, first discovered by Ca\~nas et al. (2020) from a TESS single-transit event. Using new radial velocities (RVs) from the precision RV spectrographs HPF and NEID,…
Earth and Planetary Astrophysics · Physics
2023-08-09
Andrea S. J. Lin , Jessica E. Libby-Roberts , Jaime A. Alvarado-Montes , Caleb I. Cañas , Shubham Kanodia , Te Han , Leslie Hebb , Eric L. N. Jensen , Suvrath Mahadevan , Luke C. Powers , Tera N. Swaby , John Wisniewski , Corey Beard , Chad F. Bender , Cullen H. Blake , William D. Cochran , Scott A. Diddams , Robert C. Frazier , Connor Fredrick , Michael Gully-Santiago , Samuel Halverson , Sarah E. Logsdon , Michael W. McElwain , Caroline Morley , Joe P. Ninan , Jayadev Rajagopal , Lawrence W. Ramsey , Paul Robertson , Arpita Roy , Christian Schwab , Guðmundur Stefánsson , Daniel J. Stevens , Ryan C. Terrien , Jason T. Wright
We present photometric, astrometric and spectroscopic observations of the nearby (9.8 pc) low-mass binary Gl 569Bab (in turn being a companion to the early-M star Gl 569A), made with the Keck adaptive optics facility. Having observed Gl…
Astrophysics · Physics
2009-11-06
B. F. Lane , M. R. Zapatero Osorio , M. C. Britton , E. L. Martin , S. R. Kulkarni
We report the discovery of TOI-2285b, a sub-Neptune-sized planet transiting a nearby (42 pc) M dwarf with a period of 27.3 days. We identified the transit signal from the Transiting Exoplanet Survey Satellite photometric data, which we…
Earth and Planetary Astrophysics · Physics
2021-12-07
Akihiko Fukui , Tadahiro Kimura , Teruyuki Hirano , Norio Narita , Takanori Kodama , Yasunori Hori , Masahiro Ikoma , Enric Pallé , Felipe Murgas , Hannu Parviainen , Kiyoe Kawauchi , Mayuko Mori , Emma Esparza-Borges , Allyson Bieryla , Jonathan Irwin , Boris S. Safonov , Keivan G. Stassun , Leticia Alvarez-Hernandez , Víctor J. S. Béjar , Núria Casasayas-Barris , Guo Chen , Nicolas Crouzet , Jerome P. de Leon , Keisuke Isogai , Taiki Kagetani , Peter Klagyivik , Judith Korth , Seiya Kurita , Nobuhiko Kusakabe , John Livingston , Rafael Luque , Alberto Madrigal-Aguado , Giuseppe Morello , Taku Nishiumi , Jaume Orell-Miquel , Mahmoudreza Oshagh , Manuel Sánchez-Benavente , Monika Stangret , Yuka Terada , Noriharu Watanabe , Yujie Zou , Motohide Tamura , Takashi Kurokawa , Masayuki Kuzuhara , Jun Nishikawa , Masashi Omiya , Sébastien Vievard , Akitoshi Ueda , David W. Latham , Samuel N. Quinn , Ivan S. Strakhov , Alexandr A. Belinski , Jon M. Jenkins , George R. Ricker , Sara Seager , Roland Vanderspek , Joshua N. Winn , David Charbonneau , David R. Ciardi , Karen A. Collins , John P. Doty , Etienne Bachelet , Daniel Harbeck
We present the discovery of an $18.5\pm0.5$M$_{\rm Jup}$ brown dwarf (BD) companion to the M0V star TOI-1278. The system was first identified through a percent-deep transit in TESS photometry; further analysis showed it to be a grazing…
Solar and Stellar Astrophysics · Physics
2021-09-22
Étienne Artigau , Guillaume Hébrard , Charles Cadieux , Thomas Vandal , Neil J. Cook , René Doyon , Jonathan Gagné , Claire Moutou , Eder Martioli , Antonio Frasca , Farbod Jahandar , David Lafrenière , Lison Malo , Jean-François Donati , Pia Cortes-Zuleta , Isabelle Boisse , Xavier Delfosse , Andres Carmona , Pascal Fouqué , Julien Morin , Jason Rowe , Giuseppe Marino , Riccardo Papini , David R. Ciardi , Michael B. Lund , Jorge H. C. Martins , Stefan Pelletier , Luc Arnold , François Bouchy , Thierry Forveille , Nuno C. Santos , Xavier Bonfils , Pedro Figueira , Michael Fausnaugh , George Ricker , David W. Latham , Sara Seager , Joshua N. Winn , Jon M. Jenkins , Eric B. Ting , Guillermo Torres , João Gomes da Silva
We report the discovery and confirmation of TOI-4465 b, a $1.25^{+0.08}_{-0.07}~R_{J}$, $5.89\pm0.26~M_{J}$ giant planet orbiting a G dwarf star at $d\simeq$ 122 pc. The planet was detected as a single-transit event in data from Sector 40…
Earth and Planetary Astrophysics · Physics
2025-06-26
Zahra Essack , Diana Dragomir , Paul A. Dalba , Matthew P. Battley , David R. Ciardi , Karen A. Collins , Steve B. Howell , Matias I. Jones , Stephen R. Kane , Eric E. Mamajek , Christopher R. Mann , Ismael Mireles , Dominic Oddo , Lauren A. Sgro , Keivan G. Stassun , Solene Ulmer-Moll , Cristilyn N. Watkins , Samuel W. Yee , Carl Ziegler , Allyson Bieryla , Ioannis Apergis , Khalid Barkaoui , Rafael Brahm , Edward M. Bryant , Thomas M. Esposito , Pedro Figueira , Benjamin J. Fulton , Samuel Gill , Andrew W. Howard , Howard Isaacson , Alicia Kendall , Nicholas Law , Michael B. Lund , Andrew W. Mann , Rachel A. Matson , Felipe Murgas , Enric Palle , Samuel N. Quinn , Alexandre Revol , Suman Saha , Richard P. Schwarz , Ramotholo Sefako , Avi Shporer , Ivan A. Strakhov , Steven Villanueva , George R. Ricker , Roland Vanderspek , David W. Latham , Sara Seager , Joshua N. Winn , Pau Bosch-Cabot , Kevin I. Collins , Raquel Forés-Toribio , Fabian Rodriguez Frustagia , Eric Girardin , Ian J. Helm , Pablo Lewin , Jose A. Muñoz , Patrick Newman , Peter Plavchan , Gregor Srdoc , Chris Stockdale , Anaël Wünsche , Mario Billiani , Martin Davy , Alex Douvas , Keiichi Fukui , Bruno Guillet , Cory Ostrem , Michael Rushton , Angsar Schmidt , Andrea Finardi , Patrice Girard , Tateki Goto , Julien S. de Lambilly , Liouba Leroux , Fabrice Mortecrette , John W. Pickering , Michael Primm , Marc Ribot , Ethan Teng , Aad Verveen , Stefan Will , Mark Ziegler
We present the confirmation of a new sub-Neptune close to the transition between super-Earths and sub-Neptunes transiting the M2 dwarf TOI- 269 (TIC 220479565, V = 14.4 mag, J = 10.9 mag, Rstar = 0.40 Rsun, Mstar = 0.39 Msun, d = 57 pc).…
Earth and Planetary Astrophysics · Physics
2021-06-23
M. Cointepas , J. M. Almenara , X. Bonfils , F. Bouchy , N. Astudillo-Defru , F. Murgas , J. F. Otegi , A. Wyttenbach , D. R. Anderson , E. Artigau , B. L. Canto Martins , D. Charbonneau , K. A. Collins , K. I. Collins , J-J. Correia , S. Curaba , A. Delboulbe , X. Delfosse , R. F. Diaz , C. Dorn , R. Doyon , P. Feautrier , P. Figueira , T. Forveille , G. Gaisne , T. Gan , L. Gluck , R. Helled , C. Hellier , L. Jocou , P. Kern , S. Lafrasse , N. Law , I. C. Leao , C. Lovis , Y. Magnard , A. W. Mann , D. Maurel , J. R. de Medeiros , C. Melo , T. Moulin , F. Pepe , P. Rabou , S. Rochat , D. R. Rodriguez , A. Roux , N. C. Santos , D. Segransan , E. Stadler , E. B. Ting , J. D. Twicken , S. Udry , W. C. Waalkes , R. G. West , A. Wunsche , C. Ziegler , G. Ricker , R. Vanderspek , D. W. Latham , S. Seager , J. Winn , J. M. Jenkins
Thanks to the relative ease of finding and characterizing small planets around M dwarf stars, these objects have become cornerstones in the field of exoplanet studies. The current paucity of planets in long-period orbits around M dwarfs…
Earth and Planetary Astrophysics · Physics
2022-01-12
N. Schanche , F. J. Pozuelos , M. N. Günther , R. D. Wells , A. J. Burgasser , P. Chinchilla , L. Delrez , E. Ducrot , L. J. Garcia , Y. Gómez Maqueo Chew , E. Jofré , B. V. Rackham , D. Sebastian , K. G. Stassun , D. Stern , M. Timmermans , K. Barkaoui , A. Belinski , Z. Benkhaldoun , W. Benz , D. Charbonneau , Jessie L. Christiansen , Karen A. Collins , B. -O. Demory , M. Dévora-Pajares , J. de Wit , D. Dragomir , G. Dransfield , E. Furlan , M. Ghachou , M. Gillon , C. Gnilka , M. A. Gómez-Muñoz , N. Guerrero , M. Harris , K. Heng , C. E. Henze , K. Hesse , S. B. Howell , E. Jehin , J. Jenkins , Eric L. N. Jensen , M. Kunimoto , D. W. Latham , K. Lester , Kim K. McLeod , I. Mireles , C. A. Murray , P. Niraula , P. P. Pedersen , D. Queloz , E. V. Quintana , G. Ricker , A. Rudat , L. Sabin , B. Safonov , U. Schroffenegger , N. Scott , S. Seager , I. Strakhov , A. H. M. J. Triaud , R. Vanderspek , M. Vezie , J. Winn
We report the discovery and validation of two TESS exoplanets orbiting faint M dwarfs: TOI-4479b and TOI-2081b. We have jointly analyzed space (TESS mission) and ground based (MuSCAT2, MuSCAT3 and SINISTRO instruments) lightcurves using our…
Earth and Planetary Astrophysics · Physics
2022-10-05
E. Esparza-Borges , H. Parviainen , F. Murgas , E. Pallé , A. Maas , G. Morello , M. R. Zapatero-Osorio , K. Barkaoui , N. Narita , A. Fukui , N. Casasayas-Barris , M. Oshagh , N. Crouzet , D. Galán , G. E. Fernández , T. Kagetani , K. Kawauchi , T. Kodama , J. Korth , N. Kusakabe , A. Laza-Ramos , R. Luque , J. Livingston , A. Madrigal-Aguado , M. Mori , J. Orell-Miquel , M. Puig-Subirá , M. Stangret , Y. Terada , N. Watanabe , Y. Zou , A. Baliga Savel , A. A. Belinski , K. Collins , C. D. Dressing , S. Giacalone , H. Gill , M. V. Goliguzova , M. Ikoma , J. M. Jenkins , M. Tamura , J. D. Twicken , G. R. Ricker , R. P. Schwarz , S. Seager , A. Shporer , R. Vanderspek , J. Winn
TESS is revolutionising the search for planets orbiting bright and nearby stars. In sectors 3 and 4, TESS observed TOI-402 (TIC-120896927), a bright V=9.1 K1 dwarf also known as HD 15337, and found two transiting signals with period of 4.76…
Earth and Planetary Astrophysics · Physics
2019-07-10
X. Dumusque , O. Turner , C. Dorn , J. D. Eastman , R. Allart , V. Adibekyan , S. Sousa , N. C. Santos , C. Mordasini , V. Bourrier , F. Bouchy , A. Coffinet , M. D. Davies , R. F. Diaz , M. M. Fausnaugh , A. Glidden , N. Guerrero , C. E. Henze , J. M. Jenkins , D. W. Latham , C. Lovis , M. Mayor , F. Pepe , E. V. Quintana , G. R. Ricker , P. Rowden , D. Segransan , A. Suarez Mascareno , S. Seager , J . D. Twicken , S. Udry , R. K. Vanderspek , J. N. Winn
TOI-2015 is a known exoplanetary system around an M4 dwarf star, consisting of a transiting sub-Neptune planet in a 3.35-day orbital period, TOI-2015b, accompanied by a non-transiting companion, TOI-2015c. High-precision RV measurements…
Earth and Planetary Astrophysics · Physics
2025-02-12
K. Barkaoui , J. Korth , E. Gaidos , E. Agol , H. Parviainen , F. J. Pozuelos , E. Palle , N. Narita , S. Grimm , M. Brady , J. L. Bean , G. Morello , B. V. Rackham , A. J. Burgasser , V. Van Grootel , B. Rojas-Ayala , A. Seifahrt , E. Marfil , V. M. Passegger , M. Stalport , M. Gillon , K. A. Collins , A. Shporer , S. Giacalone , S. Yalçınkaya , E. Ducrot , M. Timmermans , A. H. M. J. Triaud , J. de Wit , A. Soubkiou , C. N. Watkins , C. Aganze , R. Alonso , P. J. Amado , R. Basant , Ö. Bastürk , Z. Benkhaldoun , A. Burdanov , Y. Calatayud-Borras , J. Chouqar , D. M. Conti , K. I. Collins , F. Davoudi , L. Delrez , C. D. Dressing , J. de Leon , M. D'evora-Pajares , B. O. Demory , G. Dransfield , E. Esparza-Borges , G. Fern'andez-Rodriguez , I. Fukuda , A. Fukui , P. P. M. Gallardo , L. Garcia , N. A. Garcia , M. Ghachoui , S. Gerald'ia-González , Y. Gómez Maqueo Chew , J. González-Rodríguez , M. N. Günther , Y. Hayashi , K. Horne , M. J. Hooton , C. C. Hsu , K. Ikuta , K. Isogai , E. Jehin , J. M. Jenkins , K. Kawauchi , T. Kagetani , Y. Kawai , D. Kasper , J. F. Kielkopf , P. Klagyivik , G. Lacedelli , D. W. Latham , F. Libotte , R. Luque , J. H. Livingston , L. Mancini , B. Massey , M. Mori , S. Muñoz Torres , F. Murgas , P. Niraula , J. Orell-Miquel , David Rapetti , R. Rebolo-Lopez , G. Ricker , R. Papini , P. P. Pedersen , A. Peláez-Torres , J. A. Pérez-Prieto , E. Poultourtzidis , P. M. Rodriguez , D. Queloz , A. B. Savel , N. Schanche , M. Sanchez-Benavente , L. Sibbald , R. Sefako , S. Sohy , A. Sota , R. P. Schwarz , S. Seager , D. Sebastian , J. Southworth , M. Stangret , G. Stefánsson , J. Stürmer , G. Srdoc , S. J. Thompson , Y. Terada , R. Vanderspek , G. Wang , N. Watanabe , F. P. Wilkin , J. Winn , R. D. Wells , C. Ziegler , S. Zúñiga-Fernández
We report the discovery of two transiting planets detected by the Transiting Exoplanet Survey Satellite (TESS), TOI-2374 b and TOI-3071 b, orbiting a K5V and an F8V star, respectively, with periods of 4.31 and 1.27 days, respectively. We…
Earth and Planetary Astrophysics · Physics
2024-06-21
Alejandro Hacker , Rodrigo F. Díaz , David J. Armstrong , Jorge Fernández Fernández , Simon Müller , Elisa Delgado-Mena , Sérgio G. Sousa , Vardan Adibekyan , Keivan G. Stassun , Karen A. Collins , Samuel W. Yee , Daniel Bayliss , Allyson Bieryla , François Bouchy , R. Paul Butler , Jeffrey D. Crane , Xavier Dumusque , Joel D. Hartman , Ravit Helled , Jon Jenkins , Marcelo Aron F. Keniger , Hannah Lewis , Jorge Lillo-Box , Michael B. Lund , Louise D. Nielsen , Ares Osborn , David Osip , Martin Paegert , Don J. Radford , Nuno C. Santos , Sara Seager , Stephen A. Shectman , Gregor Srdoc , Paul A. Strøm , Thiam-Guan Tan , Johanna K. Teske , Michael Vezie , David Watanabe , Cristilyn N. Watkins , Peter J. Wheatley , Joshua N. Winn , Bill Wohler , Carl Ziegler
We present observations of two bright M dwarfs (TOI-1634 and TOI-1685: $J=9.5-9.6$) hosting ultra-short period (USP) planets, identified by the TESS mission. The two stars are similar in temperature, mass, and radius…
Earth and Planetary Astrophysics · Physics
2021-09-29
Teruyuki Hirano , John H. Livingston , Akihiko Fukui , Norio Narita , Hiroki Harakawa , Hiroyuki Tako Ishikawa , Kohei Miyakawa , Tadahiro Kimura , Akifumi Nakayama , Naho Fujita , Yasunori Hori , Keivan G. Stassun , Allyson Bieryla , Charles Cadieux , David R. Ciardi , Karen A. Collins , Masahiro Ikoma , Andrew Vanderburg , Thomas Barclay , C. E. Brasseur , Jerome P. de Leon , John P. Doty , René Doyon , Emma Esparza-Borges , Gilbert A. Esquerdo , Elise Furlan , Eric Gaidos , Erica J. Gonzales , Klaus Hodapp , Nobuhiko Kusakabe , Masayuki Kuzuhara , David Lafrenière , David W. Latham , Bob Massey , Mayuko Mori , Felipe Murgas , Jun Nishikawa , Taku Nishiumi , Masashi Omiya , Martin Paegert , Enric Palle , Hannu Parviainen , Samuel N. Quinn , Steve B. Howell , Keisuke Isogai , Shane Jacobson , Jon M. Jenkins , Eric L. N. Jensen , Kiyoe Kawauchi , Takayuki Kotani , Tomoyuki Kudo , Seiya Kurita , Takashi Kurokawa , George R. Ricker , Richard P. Schwarz , Sara Seager , Peter Tenenbaum , Yuka Terada , Roland K. Vanderspek , Noriharu Watanabe , Joshua N. Winn
In the last decade, a dozen close-in giant planets have been discovered orbiting stars with spectral types ranging from M0 to M4, a mystery since known formation pathways do not predict the existence of such systems. Here, we confirm…
Earth and Planetary Astrophysics · Physics
2023-08-07
Amaury H. M. J. Triaud , Georgina Dransfield , Taiki Kagetani , Mathilde Timmermans , Norio Narita , Khalid Barkaoui , Teruyuki Hirano , Benjamin V. Rackham , Mayuko Mori , Thomas Baycroft , Zouhair Benkhaldoun , Adam J. Burgasser , Douglas A. Caldwell , Karen A. Collins , Yasmin T. Davis , Laetitia Delrez , Brice-Oliver Demory , Elsa Ducrot , Akihiko Fukui , Clàudia Jano Muñoz , Emmanuël Jehin , Lionel J. García , Mourad Ghachoui , Michaël Gillon , Yilen Gómez Maqueo Chew , Matthew J. Hooton , Masahiro Ikoma , Kiyoe Kawauchi , Takayuki Kotani , Alan M. Levine , Enric Pallé , Peter P. Pedersen , Francisco J. Pozuelos , Didier Queloz , Owen J. Scutt , Sara Seager , Daniel Sebastian , Motohide Tamura , Samantha Thompson , Noriharu Watanabe , Julien de Wit , Joshua N. Winn , Sebastián Zúñiga-Fernández