Related papers: Detection and Characterization of the Temperate Su…

Discovery of a transiting hot water-world candidate orbiting Ross 176 with TESS and CARMENES

The case of Ross 176 is a late K-type star that hosts a promising water-world candidate planet. The star has a radius of $R_*$=0.569$\pm$0.020$R_{\odot}$ and a mass of $M_{\star}$ = 0.577 $\pm$ 0.024 $M_{\odot}$. We constrained the…

Earth and Planetary Astrophysics · Physics 2025-07-22 S. Geraldía-González , J. Orell-Miquel , E. Pallé , F. Murgas , G. Lacedelli , V. J. S. Béjar , J. A. Caballero , C. Duque-Arribas , J. Lillo-Box , D. Montes , G. Morello , E. Nagel , A. Schweitzer , H. M. Tabernero , Y. Calatayud-Borras , C. Cifuentes , G. Fernández-Rodríguez , A. Fukui , J. de Leon , N. Lodieu , R. Luque , M. Mori , N. Narita , H. Parviainen , E. Poultourtzidis , A. Reiners , I. Ribas , M. Schlecker , S. Seager , K. G. Stassun , T. Trifonov , S. Vanaverbeke , J. N. Winn

A Super-Earth Orbiting Near the Inner Edge of the Habitable Zone around the M4.5-dwarf Ross 508

We report the near-infrared radial-velocity (RV) discovery of a super-Earth planet on a 10.77-day orbit around the M4.5 dwarf Ross 508 ($J_\mathrm{mag}=9.1$). Using precision RVs from the Subaru Telescope IRD (InfraRed Doppler) instrument,…

Earth and Planetary Astrophysics · Physics 2022-07-06 Hiroki Harakawa , Takuya Takarada , Yui Kasagi , Teruyuki Hirano , Takayuki Kotani , Masayuki Kuzuhara , Masashi Omiya , Hajime Kawahara , Akihiko Fukui , Yasunori Hori , Hiroyuki Tako Ishikawa , Masahiro Ogihara , John Livingston , Timothy D. Brandt , Thayne Currie , Wako Aoki , Charles A. Beichman , Thomas Henning , Klaus Hodapp , Masato Ishizuka , Hideyuki Izumiura , Shane Jacobson , Markus Janson , Eiji Kambe , Takanori Kodama , Eiichiro Kokubo , Mihoko Konishi , Vigneshwaran Krishnamurthy , Tomoyuki Kudo , Takashi Kurokawa , Nobuhiko Kusakabe , Jungmi Kwon , Yuji Matsumoto , Michael W. McElwain , Koyu Mitsui , Takao Nakagawa , Norio Narita , Jun Nishikawa , Stevanus K. Nugroho , Eugene Serabyn , Takuma Serizawa , Aoi Takahashi , Akitoshi Ueda , Taichi Uyama , Sébastien Vievard , Ji Wang , John Wisniewski , Motohide Tamura , Bun'ei Sato

An ultra-short-period transiting super-Earth orbiting the M3 dwarf TOI-1685

Dynamical histories of planetary systems, as well as atmospheric evolution of highly irradiated planets, can be studied by characterizing the ultra-short-period planet population, which the TESS mission is particularly well suited to…

Earth and Planetary Astrophysics · Physics 2021-06-09 P. Bluhm , E. Palle , K. Molaverdikhani , J. Kemmer , A. P. Hatzes , D. Kossakowski , S. Stock , J. A. Caballero , J. Lillo-Box , V. J. S . Bejar , M. G. Soto , P. J. Amado , P. Brown , C. Cadieux , R. Cloutier , K. A. Collins , K. I. Collins , M. Cortes-Contreras , R. Doyon , S. Dreizler , N. Espinoza , A. Fukui , E. Gonzalez-Alvarez , Th. Henning , K. Horne , S. V. Jeffers , J. M. Jenkins , E. L. N. Jensen , A. Kaminski , J. F. Kielkopf , N. Kusakabe , M. Kuerster , D. Lafreniere , R. Luque , F. Murgas , D. Montes , J. C. Morales , N. Narita , V. M. Passegger , A. Quirrenbach , P. Schoefer , S. Reffert , A. Reiners , I. Ribas , G. R. Ricker , S. Seager , A. Schweitzer , R. P. Schwarz , M. Tamura , T. Trifonov , R. Vanderspek , J. Winn , M. Zechmeister , M. R. Zapatero Osorio

Mass determination of the ultra-short-period planet LHS 3844 b. First K-band radial velocity measurements with CRIRES+

We present the first planet mass measurement obtained with CRIRES+ radial velocity (RV) observations using the K-band gas cell. Our target, LHS 3844 b (TOI-136), is a transiting super-Earth with radius $R_b=1.286^{+0.043}_{-0.044}R_\oplus$…

Earth and Planetary Astrophysics · Physics 2026-03-31 E. Nagel , J. Köhler , M. Zechmeister , A. D. Rains , U. Seemann , A. Hatzes , A. Reiners , N. Piskunov , L. Boldt-Christmas , P. Bristow , P. Chaturvedi , D. Cont , S. Czesla , R. J. Dorn , E. Guenther , Y. Jung , O. Kochukhov , F. Lesjak , F. Lucertini , T. Marquart , L. Nortmann , M. Rengel , F. Rodler , J. V. Smoker

A quarter century of spectroscopic monitoring of the nearby M dwarf Gl 514. A super-Earth on an eccentric orbit moving in and out of the habitable zone

We investigated the presence of planetary companions around the nearby (7.6 pc) and bright ($V=9$ mag) early-type M dwarf Gl 514, analysing 540 radial velocities collected over nearly 25 years with the HIRES, HARPS, and CARMENES…

Earth and Planetary Astrophysics · Physics 2022-11-02 M. Damasso , M. Perger , J. M. Almenara , D. Nardiello , M. Pérez-Torres , A. Sozzetti , N. C. Hara , A. Quirrenbach , X. Bonfils , M. R. Zapatero Osorio , N. Astudillo-Defru , J. I. González Hernández , A. Suárez Mascareño , P. J. Amado , T. Forveille , J. Lillo-Box , Y. Alibert , J. A. Caballero , C. Cifuentes , X. Delfosse , P. Figueira , D. Galadí-Enríquez , A. P. Hatzes , Th. Henning , A. Kaminski , M. Mayor , F. Murgas , D. Montes , M. Pinamonti , A. Reiners , I. Ribas , V. J. S. Béjar , A. Schweitzer , M. Zechmeister

Discovery and mass measurement of the hot, transiting, Earth-sized planet GJ 3929 b

We report the discovery of GJ 3929 b, a hot Earth-sized planet orbiting the nearby M3.5 V dwarf star, GJ 3929 (G 180--18, TOI-2013). Joint modelling of photometric observations from TESS sectors 24 and 25 together with 73 spectroscopic…

Earth and Planetary Astrophysics · Physics 2022-03-14 J. Kemmer , S. Dreizler , D. Kossakowski , S. Stock , A. Quirrenbach , J. A. Caballero , P. J. Amado , K. A. Collins , N. Espinoza , E. Herrero , J. M. Jenkins , D. W. Latham , J. Lillo-Box , N. Narita , E. Pallé , A. Reiners , I. Ribas , G. Ricker , E. Rodríguez , S. Seager , R. Vanderspek , R. Wells , J. Winn , F. J. Aceituno , V. J. S. Béjar , T. Barclay , P. Bluhm , P. Chaturvedi , C. Cifuentes , K. I. Collins , M. Cortés-Contreras , B. -O. Demory , M. M. Fausnaugh , A. Fukui , Y. Gómez Maqueo Chew , D. Galadí-Enríquez , T. Gan , M. Gillon , A. Golovin , A. P. Hatzes , T. Henning , C. Huang , S. V. Jeffers , A. Kaminski , M. Kunimoto , M. Kürster , M. J. López-González , M. Lafarga , R. Luque , J. McCormac , K. Molaverdikhani , D. Montes , J. C. Morales , V. M. Passegger , S. Reffert , L. Sabin , P. Schöfer , N. Schanche , M. Schlecker , U. Schroffenegger , R. P. Schwarz , A. Schweitzer , A. Sota , P. Tenenbaum , T. Trifonov , S. Vanaverbeke , M. Zechmeister

TESS discovery of a sub-Neptune orbiting a mid-M dwarf TOI-2136

We present the discovery of TOI-2136b, a sub-Neptune planet transiting every 7.85 days a nearby M4.5V-type star, identified through photometric measurements from the TESS mission. The host star is located $33$ pc away with a radius of…

Earth and Planetary Astrophysics · Physics 2022-05-25 Tianjun Gan , Abderahmane Soubkiou , Sharon X. Wang , Zouhair Benkhaldoun , Shude Mao , Étienne Artigau , Pascal Fouqué , Steven Giacalone , Christopher A. Theissen , Christian Aganze , Karen A. Collins , Avi Shporer , Khalid Barkaoui , Mourad Ghachoui , Steve B. Howell , Claire Lamman , Olivier D. S. Demangeon , Artem Burdanov , Charles Cadieux , Jamila Chouqar , Kevin I. Collins , Neil J. Cook , Laetitia Delrez , Brice-Olivier Demory , René Doyon , Georgina Dransfield , Courtney D. Dressing , Elsa Ducrot , Jiahao Fan , Lionel Garcia , Holden Gill , Michaël Gillon , Crystal L. Gnilka , Yilen Gómez Maqueo Chew , Maximilian N. Günther , Christopher E. Henze , Chelsea X. Huang , Emmanuel Jehin , Eric L. N. Jensen , Zitao Lin , James McCormac , Catriona A. Murray , Prajwal Niraula , Peter P. Pedersen , Francisco J. Pozuelos , Didier Queloz , Benjamin V. Rackham , Arjun B. Savel , Nicole Schanche , Richard P. Schwarz , Daniel Sebastian , Samantha Thompson , Mathilde Timmermans , Amaury H. M. J. Triaud , Michael Vezie , Robert D. Wells , Julien de Wit , George R. Ricker , Roland Vanderspek , David W. Latham , Sara Seager , Joshua N. Winn , Jon M. Jenkins

The CARMENES search for exoplanets around M dwarfs. A sub-Neptunian mass planet in the habitable zone of HN Lib

We report the discovery of HN Lib b, a sub-Neptunian mass planet orbiting the nearby ($d \approx$ = 6.25 pc) M4.0 V star HN Lib detected by our CARMENES radial-velocity (RV) survey. We determined a planetary minimum mass of $M_\text{b}\sin…

Earth and Planetary Astrophysics · Physics 2023-07-19 E. González-Álvarez , J. Kemmer , P. Chaturvedi , J. A. Caballero , A. Quirrenbach , P. J. Amado , V. J. S. Béjar , C. Cifuentes , E. Herrero , D. Kossakowski , A. Reiners , I. Ribas , E. Rodríguez , C. Rodríguez-López , J. Sanz-Forcada , Y. Shan , S. Stock , H. M. Tabernero , L. Tal-Or , M. R. Zapatero Osorio , A. P. Hatzes , Th. Henning , M. J. López-González , D. Montes , J. C. Morales , E. Pallé , S. Pedraz , M. Perger , S. Reffert , S. Sabotta , A. Schweitzer , M. Zechmeister

The CARMENES search for exoplanets around M dwarfs: A low-mass planet in the temperate zone of the nearby K2-18

K2-18 is a nearby M2.5 dwarf, located at 34 pc and hosting a transiting planet which was first discovered by the {\it K2} mission and later confirmed with {\it Spitzer Space Telescope} observations. With a radius of $\sim 2 \, R_{\oplus}$…

Earth and Planetary Astrophysics · Physics 2018-06-01 Paula Sarkis , Thomas Henning , Martin Kürster , Trifon Trifonov , Mathias Zechmeister , Lev Tal-Or , Guillem Anglada-Escudé , Artie P. Hatzes , Marina Lafarga , Stefan Dreizler , Ignasi Ribas , José A. Caballero , Ansgar Reiners , Matthias Mallonn , Juan C. Morales , Adrian Kaminski , Jesús Aceituno , Pedro J. Amado , Victor J. S. Béjar , Hans-Jürgen Hagen , Sandra Jeffers , Andreas Quirrenbach , Ralf Launhardt , Christopher Marvin , David Montes

Planetary system around the nearby M dwarf GJ 357 including a transiting, hot, Earth-sized planet optimal for atmospheric characterization

We report the detection of a transiting Earth-size planet around GJ 357, a nearby M2.5V star, using data from the Transiting Exoplanet Survey Satellite (TESS). GJ 357 b (TOI-562.01) is a transiting, hot, Earth-sized planet (Teq=525+-11 K)…

Earth and Planetary Astrophysics · Physics 2019-08-07 R. Luque , E. Pallé , D. Kossakowski , S. Dreizler , J. Kemmer , N. Espinoza , J. Burt , G. Anglada-Escudé , V. J. S. Béjar , J. A. Caballero , K. A. Collins , K. I. Collins , M. Cortés-Contreras , E. Díez-Alonso , F. Feng , A. Hatzes , C. Hellier , T. Henning , S. V. Jeffers , L. Kaltenegger , M. Kürster , J. Madden , K. Molaverdikhani , D. Montes , N. Narita , G. Nowak , A. Ofir , M. Oshagh , H. Parviainen , A. Quirrenbach , S. Reffert , A. Reiners , C. Rodríguez-López , M. Schlecker , S. Stock , T. Trifonov , J. N. Winn , M. R. Zapatero Osorio , M. Zechmeister , P. J. Amado , D. R. Anderson , N. E. Batalha , F. F. Bauer , P. Bluhm , C. J. Burke , R. P. Butler , D. A. Caldwell , G. Chen , J. D. Crane , D. Dragomir , C. D. Dressing , S. Dynes , J. M. Jenkins , A. Kaminski , H. Klahr , T. Kotani , M. Lafarga , D. W. Latham , P. Lewin , S. McDermott , P. Montañés-Rodríguez , J. C. Morales , F. Murgas , E. Nagel , S. Pedraz , I. Ribas , G. R. Ricker , P. Rowden , S. Seager , S. A. Shectman , M. Tamura , J. Teske , J. D. Twicken , R. Vanderspeck , S. X. Wang , B. Wohler

Mass and density of the transiting hot and rocky super-Earth LHS 1478 b (TOI-1640 b)

One of the main objectives of the Transiting Exoplanet Survey Satellite ({TESS}) mission is the discovery of small rocky planets around relatively bright nearby stars. Here, we report the discovery and characterization of the transiting…

Earth and Planetary Astrophysics · Physics 2021-06-02 M. G. Soto , G. Anglada-Escudé , S. Dreizler , K. Molaverdikhani , J. Kemmer , C. Rodríguez-López , J. Lillo-Box , E. Pallé , N. Espinoza , J. A. Caballero , A. Quirrenbach , I. Ribas , A. Reiners , N. Narita , T. Hirano , P. J. Amado , V. J. S. Béjar , P. Bluhm , C. J. Burke , D. A. Caldwell , D. Charbonneau , R. Cloutier , K. A. Collins , M. Cortés-Contreras , E. Girardin , P. Guerra , H. Harakawa , A. P. Hatzes , J. Irwin , J. M. Jenkins , E. Jensen , K. Kawauchi , T. Kotani , T. Kudo , M. Kunimoto , M. Kuzuhara , D. W. Latham , D. Montes , J. C. Morales , M. Mori , R. P. Nelson , M. Omiya , S. Pedraz , V. M. Passegger , B. V. Rackham , A. Rudat , J. E. Schlieder , P. Schöfer , A. Schweitzer , A. Selezneva , C. Stockdale , M. Tamura , T. Trifonov , R. Vanderspek , D. Watanabe

A multi-planetary system orbiting the early-M dwarf TOI-1238

Two transiting planet candidates with super-Earth radii around the nearby K7--M0 dwarf star TOI-1238 were announced by TESS. We aim to validate their planetary nature using precise radial velocities (RV) taken with the CARMENES…

Earth and Planetary Astrophysics · Physics 2022-03-14 E. González-Álvarez , M. R. Zapatero Osorio , J. Sanz-Forcada , J. A. Caballero , S. Reffert , V. J. S. Béjar , A. P. Hatzes , E. Herrero , S. V. Jeffers , J. Kemmer , M. J. López-González , R. Luque , K. Molaverdikhani , G. Morello , E. Nagel , A. Quirrenbach , E. Rodríguez , C. Rodríguez-López , M. Schlecker , A. Schweitzer , S. Stock , V. M. Passegger , T. Trifonov , P. J. Amado , D. Baker , P. T. Boyd , C. Cadieux , D. Charbonneau , K. A. Collins , R. Doyon , S. Dreizler , N. Espinoza , G. Furész , E. Furlan , K. Hesse , S. B. Howell , J. M. Jenkins , R. C. Kidwell , D. W. Latham , K. K. McLeod , D. Montes , J. C. Morales , T. O'Dwyer , E. Pallé , S. Pedraz , A. Reiners , I. Ribas , S. N. Quinn , C. Schnaible , S. Seager , B. Skinner , J. C. Smith , R. P. Schwarz , A. Shporer , R. Vanderspek , J. N. Winn

TOI-431/HIP 26013: a super-Earth and a sub-Neptune transiting a bright, early K dwarf, with a third RV planet

We present the bright (V$_{mag} = 9.12$), multi-planet system TOI-431, characterised with photometry and radial velocities. We estimate the stellar rotation period to be $30.5 \pm 0.7$ days using archival photometry and radial velocities.…

Earth and Planetary Astrophysics · Physics 2021-08-18 Ares Osborn , David J. Armstrong , Bryson Cale , Rafael Brahm , Robert A. Wittenmyer , Fei Dai , Ian J. M. Crossfield , Edward M. Bryant , Vardan Adibekyan , Ryan Cloutier , Karen A. Collins , E. Delgado Mena , Malcolm Fridlund , Coel Hellier , Steve B. Howell , George W. King , Jorge Lillo-Box , Jon Otegi , S. Sousa , Keivan G. Stassun , Elisabeth C. Matthews , Carl Ziegler , George Ricker , Roland Vanderspek , David W. Latham , S. Seager , Joshua N. Winn , Jon M. Jenkins , Jack S. Acton , Brett C. Addison , David R. Anderson , Sarah Ballard , David Barrado , Susana C. C. Barros , Natalie Batalha , Daniel Bayliss , Thomas Barclay , Björn Benneke , John Berberian , Francois Bouchy , Brendan P. Bowler , César Briceño , Christopher J. Burke , Matthew R. Burleigh , Sarah L. Casewell , David Ciardi , Kevin I. Collins , Benjamin F. Cooke , Olivier D. S. Demangeon , Rodrigo F. Díaz , C. Dorn , Diana Dragomir , Courtney Dressing , Xavier Dumusque , Néstor Espinoza , P. Figueira , Benjamin Fulton , E. Furlan , E. Gaidos , C. Geneser , Samuel Gill , Michael R. Goad , Erica J. Gonzales , Varoujan Gorjian , Maximilian N. Günther , Ravit Helled , Beth A. Henderson , Thomas Henning , Aleisha Hogan , Saeed Hojjatpanah , Jonathan Horner , Andrew W. Howard , Sergio Hoyer , Dan Huber , Howard Isaacson , James S. Jenkins , Eric L. N. Jensen , Andrés Jordán , Stephen R. Kane , Richard C. Kidwell , John Kielkopf , Nicholas Law , Monika Lendl , M. Lund , Rachel A. Matson , Andrew W. Mann , James McCormac , Matthew W. Mengel , Farisa Y. Morales , Louise D. Nielsen , Jack Okumura , Hugh P. Osborn , Erik A. Petigura , Peter Plavchan , Don Pollacco , Elisa V. Quintana , Liam Raynard , Paul Robertson , Mark E. Rose , Arpita Roy , Michael Reefe , Alexandre Santerne , Nuno C. Santos , Paula Sarkis , J. Schlieder , Richard P. Schwarz , Nicholas J. Scott , Avi Shporer , A. M. S. Smith , C. Stibbard , Chris Stockdale , Paul A. Strøm , Joseph D. Twicken , Thiam-Guan Tan , A. Tanner , J. Teske , Rosanna H. Tilbrook , C. G. Tinney , Stephane Udry , Jesus Noel Villaseñor , Jose I. Vines , Sharon X. Wang , Lauren M. Weiss , Richard G. West , Peter J. Wheatley , Duncan J. Wright , Hui Zhang , F. Zohrabi

TOI-1235 b: a keystone super-Earth for testing radius valley emergence models around early M dwarfs

Small planets on close-in orbits tend to exhibit envelope mass fractions of either effectively zero or up to a few percent depending on their size and orbital period. Models of thermally-driven atmospheric mass loss and of terrestrial…

Earth and Planetary Astrophysics · Physics 2020-06-17 Ryan Cloutier , Joseph E. Rodriguez , Jonathan Irwin , David Charbonneau , Keivan G. Stassun , Annelies Mortier , David W. Latham , Howard Isaacson , Andrew W. Howard , Stéphane Udry , Thomas G. Wilson , Christopher A. Watson , Matteo Pinamonti , Florian Lienhard , Paolo Giacobbe , Pere Guerra , Karen A. Collins , Allyson Beiryla , Gilbert A. Esquerdo , Elisabeth Matthews , Rachel A. Matson , Steve B. Howell , Elise Furlan , Ian J. M. Crossfield , Jennifer G. Winters , Chantanelle Nava , Kristo Ment , Eric D. Lopez , George Ricker , Roland Vanderspek , Sara Seager , Jon M. Jenkins , Eric B. Ting , Peter Tenenbaum , Alessandro Sozzetti , Lizhou Sha , Damien Ségransan , Joshua E. Schlieder , Dimitar Sasselov , Arpita Roy , Paul Robertson , Ken Rice , Ennio Poretti , Giampaolo Piotto , David Phillips , Joshua Pepper , Francesco Pepe , Emilio Molinari , Teo Mocnik , Giuseppina Micela , Michel Mayor , Aldo F. Martinez Fiorenzano , Franco Mallia , Jack Lubin , Christophe Lovis , Mercedes López-Morales , Molly R. Kosiarek , John F. Kielkopf , Stephen R. Kane , Eric L. N. Jensen , Giovanni Isopi , Daniel Huber , Michelle L. Hill , Avet Harutyunyan , Erica Gonzales , Steven Giacalone , Adriano Ghedina , Andrea Ercolino , Xavier Dumusque , Courtney D. Dressing , Mario Damasso , Paul A. Dalba , Rosario Cosentino , Dennis M. Conti , Knicole D. Colón , Kevin I. Collins , Andrew Collier Cameron , David Ciardi , Jessie Christiansen , Ashley Chontos , Massimo Cecconi , Douglas A. Caldwell , Christopher Burke , Lars Buchhave , Charles Beichman , Aida Behmard , Corey Beard , Joseph M. Akana Murphy

The Magnetically Induced Radial Velocity Variation of Gliese 341 and an Upper Limit to the Mass of Its Transiting Earth-sized Planet

The Transiting Exoplanet Survey Satellite (TESS) mission identified a potential 0.88 REarth planet with a period of 7.577 days, orbiting the nearby M1V star GJ 341 (TOI 741.01). This system has already been observed by the James Webb Space…

Earth and Planetary Astrophysics · Physics 2025-02-13 Victoria DiTomasso , Mercedes Lopez-Morales , Sarah Peacock , Luca Malavolta , James Kirk , Kevin B. Stevenson , Guangwei Fu , Jacob Lustig-Yaeger

A transiting, temperate mini-Neptune orbiting the M dwarf TOI-1759 unveiled by TESS

We report the discovery and characterization of TOI-1759~b, a temperate (400 K) sub-Neptune-sized exoplanet orbiting the M~dwarf TOI-1759 (TIC 408636441). TOI-1759 b was observed by TESS to transit on sectors 16, 17 and 24, with only one…

Earth and Planetary Astrophysics · Physics 2022-02-23 Néstor Espinoza , Enric Pallé , Jonas Kemmer , Rafael Luque , José A. Caballero , Carlos Cifuentes , Enrique Herrero , Víctor J. Sánchez Béjar , Stephan Stock , Karan Molaverdikhani , Giuseppe Morello , Diana Kossakowski , Martin Schlecker , Pedro J. Amado , Paz Bluhm , Miriam Cortés-Contreras , Thomas Henning , Laura Kreidberg , Martin Kürster , Marina Lafarga , Nicolas Lodieu , Juan Carlos Morales , Mahmoudreza Oshagh , Vera M. Passegger , Alexey Pavlov , Andreas Quirrenbach , Sabine Reffert , Ansgar Reiners , Ignasi Ribas , Eloy Rodríguez , Cristina Rodríguez López , Andreas Schweitzer , Trifon Trifonov , Priyanka Chaturvedi , Stefan Dreizler , Sandra V. Jeffers , Adrian Kaminski , María José López-González , Jorge Lillo-Box , David Montes , Grzegorz Nowak , Santos Pedraz , Siegfried Vanaverbeke , Maria R. Zapatero Osorio , Mathias Zechmeister , Karen A. Collins , Eric Girardin , Pere Guerra , Ramon Naves , Ian J. M. Crossfield , Elisabeth C. Matthews , Steve B. Howell , David R. Ciardi , Erica Gonzales , Rachel A. Matson , Charles A. Beichman , Joshua E. Schlieder , Thomas Barclay , Michael Vezie , Jesus Noel Villaseñor , Tansu Daylan , Ismael Mireies , Diana Dragomir , Joseph D. Twicken , Jon Jenkins , Joshua N. Winn , David Latham , George Ricker , Sara Seager

HADES RV Programme with HARPS-N at TNG VI. GJ 3942 b behind dominant activity signals

Short- to mid-term magnetic phenomena on the stellar surface of M-type stars cannot only resemble the effects of planets in radial velocity data, but also may hide them. We analyze 145 spectroscopic HARPS-N observations of GJ 3942 taken…

Solar and Stellar Astrophysics · Physics 2019-03-26 M. Perger , I. Ribas , M. Damasso , J. C. Morales , L. Affer , A. Suárez Mascareño , G. Micela , J. Maldonado , J. I. González Hernández , R. Rebolo , G. Scandariato , G. Leto , R. Zanmar Sanchez , S. Benatti , A. Bignamini , F. Borsa , A. Carbognani , R. Claudi , S. Desidera , M. Esposito , M. Lafarga , A. F. Martinez Fiorenzano , E. Herrero , E. Molinari , V. Nascimbeni , I. Pagano , M. Pedani , E. Poretti , M. Rainer , A. Rosich , A. Sozzetti , B. Toledo-Padrón

A super-Earth on a close-in orbit around the M1V star GJ 740. A HADES and CARMENES collaboration

M-dwarfs have proven to be ideal targets for planetary radial velocity (RV) searches due to their higher planet-star mass contrast. The HADES and CARMENES programs aim to carry out extensive searches of exoplanetary systems around this type…

Earth and Planetary Astrophysics · Physics 2021-04-07 B. Toledo-Padrón , A. Suárez Mascareño , J. I. González Hernández , R. Rebolo , M. Pinamonti , M. Perger , G. Scandariato , M. Damasso , A. Sozzetti , J. Maldonado , S. Desidera , I. Ribas , G. Micela , L. Affer , E. González-Alvarez , G. Leto , I. Pagano , R. Zanmar Sánchez , P. Giacobbe , E. Herrero , J. C. Morales , P. J. Amado , J. A. Caballero , A. Quirrenbach , A. Reiners , M. Zechmeister

Gliese 12 b: A temperate Earth-sized planet at 12 pc ideal for atmospheric transmission spectroscopy

Recent discoveries of Earth-sized planets transiting nearby M dwarfs have made it possible to characterize the atmospheres of terrestrial planets via follow-up spectroscopic observations. However, the number of such planets receiving low…

Earth and Planetary Astrophysics · Physics 2024-05-24 M. Kuzuhara , A. Fukui , J. H. Livingston , J. A. Caballero , J. P. de Leon , T. Hirano , Y. Kasagi , F. Murgas , N. Narita , M. Omiya , Jaume Orell-Miquel , E. Palle , Q. Changeat , E. Esparza-Borges , H. Harakawa , C. Hellier , Yasunori Hori , Kai Ikuta , H. T. Ishikawa , T. Kodama , T. Kotani , T. Kudo , J. C. Morales , M. Mori , E. Nagel , H. Parviainen , V. Perdelwitz , A. Reiners , I. Ribas , J. Sanz-Forcada , B. Sato , A. Schweitzer , H. M. Tabernero , T. Takarada , T. Uyama , N. Watanabe , M. Zechmeister , N. Abreu García , W. Aoki , C. Beichman , V. J. S. Béjar , T. D. Brandt , Y. Calatayud-Borras , I. Carleo , D. Charbonneau , K. A. Collins , T. Currie , J. P. Doty , S. Dreizler , G. Fernández-Rodríguez , I. Fukuda , D. Galán , S. Geraldía-González , J. González-Garcia , Y. Hayashi , C. Hedges , T. Henning , K. Hodapp , M. Ikoma , K. Isogai , S. Jacobson , M. Janson , J. M. Jenkins , T. Kagetani , E. Kambe , Y. Kawai , K. Kawauchi , E. Kokubo , M. Konishi , J. Korth , V. Krishnamurthy , T. Kurokawa , N. Kusakabe , J. Kwon , A. Laza-Ramos , F. Libotte , R. Luque , A. Madrigal-Aguado , Y. Matsumoto , D. Mawet , M. W. McElwain , P. P. Meni Gallardo , G. Morello , S. Mu~noz Torres , J. Nishikawa , S. K. Nugroho , M. Ogihara , A. Pel'aez-Torres , D. Rapetti , M. S'anchez-Benavente , M. Schlecker , S. Seager , E. Serabyn , T. Serizawa , M. Stangret , A. Takahashi , H. Teng , M. Tamura , Y. Terada , A. Ueda , T. Usuda , R. Vanderspek , S. Vievard , D. Watanabe , J. N. Winn , M. R. Zapatero Osorio

The CARMENES search for exoplanets around M dwarfs. Rotational variation in activity indicators of Ross 318, YZ CMi, TYC 3529-1437-1, and EV Lac

The CARMENES instrument is searching for periodic radial-velocity (RV) variations of M dwarfs, which are induced by orbiting planets. However, there are other potential sources of such variations, including rotational modulation caused by…

Solar and Stellar Astrophysics · Physics 2022-07-20 P. Schöfer , S. V. Jeffers , A. Reiners , M. Zechmeister , B. Fuhrmeister , M. Lafarga , I. Ribas , A. Quirrenbach , P. J. Amado , J. A. Caballero , G. Anglada-Escudé , F. F. Bauer , V. J. S. Béjar , M. Cortés-Contreras , E. Díez Alonso , S. Dreizler , E. W. Guenther , O. Herbort , E. N. Johnson , A. Kaminski , M. Kürster , D. Montes , J. C. Morales , S. Pedraz , L. Tal-Or