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We present a precise characterization of the TOI-561 planetary system obtained by combining previously published data with TESS and CHEOPS photometry, and a new set of $62$ HARPS-N radial velocities (RVs). Our joint analysis confirms the…

Earth and Planetary Astrophysics · Physics 2022-02-09 G. Lacedelli , T. G. Wilson , L. Malavolta , M. J. Hooton , A. Collier Cameron , Y. Alibert , A. Mortier , A. Bonfanti , R. D. Haywood , S. Hoyer , G. Piotto , A. Bekkelien , A. M. Vanderburg , W. Benz , X. Dumusque , A. Deline , M. López-Morales , L. Borsato , K. Rice , L. Fossati , D. W. Latham , A. Brandeker , E. Poretti , S. G. Sousa , A. Sozzetti , S. Salmon , C. J. Burke , V. Van Grootel , M. M. Fausnaugh , V. Adibekyan , C. X. Huang , H. P. Osborn , A. J. Mustill , E. Pallé , V. Bourrier , V. Nascimbeni , R. Alonso , G. Anglada , T. Bárczy , D. Barrado y Navascues , S. C. C. Barros , W. Baumjohann , M. Beck , T. Beck , N. Billot , X. Bonfils , C. Broeg , L. A. Buchhave , J. Cabrera , S. Charnoz , R. Cosentino , Sz. Csizmadia , M. B. Davies , M. Deleuil , L. Delrez , O. Demangeon , B. -O. Demory , D. Ehrenreich , A. Erikson , E. Esparza-Borges , H. -G. Florén , A. Fortier , M. Fridlund , D. Futyan , D. Gandolfi , A. Ghedina , M. Gillon , M. Güdel , P. Gutermann , A. Harutyunyan , K. Heng , K. G. Isaak , J. M. Jenkins , L. Kiss , J. Laskar , A. Lecavelier des Etangs , M. Lendl , C. Lovis , D. Magrin , L. Marafatto , A. F. Martinez Fiorenzano , P. F. L. Maxted , M. Mayor , G. Micela , E. Molinari , F. Murgas , N. Narita , G. Olofsson , R. Ottensamer , I. Pagano , A. Pasetti , M. Pedani , F. A. Pepe , G. Peter , D. F. Phillips , D. Pollacco , D. Queloz , R. Ragazzoni , N. Rando , F. Ratti , H. Rauer , I. Ribas , N. C. Santos , D. Sasselov , G. Scandariato , S. Seager , D. Ségransan , L. M. Serrano , A. E. Simon , A. M. S. Smith , M. Steinberger , M. Steller , Gy. Szabó , N. Thomas , J. D. Twicken , S. Udry , N. Walton , J. N. Winn

We report the discovery of TOI-561, a multi-planet system in the galactic thick disk that contains a rocky, ultra-short period planet (USP). This bright ($V=10.2$) star hosts three small transiting planets identified in photometry from the…

Based on HARPS-N radial velocities (RVs) and TESS photometry, we present a full characterisation of the planetary system orbiting the late G dwarf TOI-561. After the identification of three transiting candidates by TESS, we discovered two…

TOI-561 is a galactic thick disk star hosting an ultra-short period (0.45 day orbit) planet with a radius of 1.37 R$_{\oplus}$, making it one of the most metal-poor ([Fe/H] = -0.41) and oldest ($\sim$10 Gyr) sites where an Earth-sized…

We report the discovery of a third planet transiting the star TOI-1260, previously known to host two transiting sub-Neptune planets with orbital periods of 3.127 and 7.493 days, respectively. The nature of the third transiting planet with a…

The TOI-178 system consists of a nearby late K-dwarf transited by six planets in the super-Earth to mini-Neptune regime, with orbital periods between 1.9 and 20.7 days. All planets but the innermost one form a chain of Laplace resonances.…

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…

We aim to refine the fundamental parameters of the TOI-2141 planetary system, which includes a transiting sub-Neptune orbiting a Sun-like star in a relatively long orbit of 18.26 days, by combining new photometric and spectroscopic…

We present the discovery and characterization of six short-period, transiting giant planets from NASA's Transiting Exoplanet Survey Satellite (TESS) -- TOI-1811 (TIC 376524552), TOI-2025 (TIC 394050135), TOI-2145 (TIC 88992642), TOI-2152…

Earth and Planetary Astrophysics · Physics 2023-04-21 Joseph E. Rodriguez , Samuel N. Quinn , Andrew Vanderburg , George Zhou , Jason D. Eastman , Erica Thygesen , Bryson Cale , David R. Ciardi , Phillip A. Reed , Ryan J. Oelkers , Karen A. Collins , Allyson Bieryla , David W. Latham , B. Scott Gaudi , Coel Hellier , Kirill Sokolovsky , Jack Schulte , Gregor Srdoc , John Kielkopf , Ferran Grau Horta , Bob Massey , Phil Evans , Denise C. Stephens , Kim K. McLeod , Nikita Chazov , Vadim Krushinsky , Mourad Ghachoui , Boris Safonov , Cayla M. Dedrick , Dennis Conti , Didier Laloum , Steven Giacalone , Carl Ziegler , Pere Guerra Serra , Ramon Naves Nogues , Felipe Murgas , Edward J. Michaels , George R. Ricker , Roland K. Vanderspek , Joshua N. Winn , Jon M. Jenkins , Brett Addison , Owen Alfaro , D. R. Anderson , Elias Ayad , Timothy Bedding , Alexandr A. Belinsky , Zouhair Benkhaldoun , Perry Berlind , Cullen H. Blake , Michael J. Bowen , Brendan P. Bowler , Andrew W. Boyle , Dalton Branson , Cesar Briceno , Michael L. Calkins , Emma Campbell , Laura Chomiuk , Kevin I. Collins , Matthew A. Cornachione , Ahmed Daassou , Courtney D. Dressing , Gilbert A. Esquerdo , Dax L. Feliz , William Fong , Tianjun Gan , Holden Gill , Maria V. Goliguzova , Jarrod Hansen , Eric G. Hintz , Jonathan Horner , Chelsea X. Huang , David J. James , Jacob S. Jensen , Samson A. Johnson , Stephen R. Kane , Khalid Barkaoui , Myung-Jin Kim , Kingsley Kim , Rudolf B. Kuhn , Nicholas Law , Pablo Lewin , Huigen Liu , Michael B. Lund , Andrew W. Mann , Nate McCrady , Matthew W. Mengel , Jessica Mink , Lauren Murphy , Norio Narita , Patrick Newman , Jack Okumura , Hugh P. Osborn , Martin Paegert , Enric Palle , Joshua Pepper , Peter Plavchan , Alexander A. Popov , Markus Rabus , Jessica Ranshaw , Jennifer Rodriguez , Dong-Goo Roh , Michael A Reefe , Arjun B. Savel , Richard P. Schwarz , Avi Shporer , Robert J. Siverd , David H. Sliski , Keivan G. Stassun , Daniel J. Stevens , Abderahmane Soubkiou , Eric B. Ting , C. G. Tinney , Noah Vowell , Payton Walton , R. G. West , Maurice L. Wilson , Robert A. Wittenmyer , Justin M. Wittrock , Jason T. Wright , Hui Zhang , Evan Zobel

We report the discovery of a warm Neptune and a hot sub-Neptune transiting TOI-421 (BD-14 1137, TIC 94986319), a bright (V=9.9) G9 dwarf star in a visual binary system observed by the TESS space mission in Sectors 5 and 6. We performed…

Earth and Planetary Astrophysics · Physics 2021-01-18 Ilaria Carleo , Davide Gandolfi , Oscar Barragán , John H. Livingston , Carina M. Persson , Kristine W. F. Lam , Aline Vidotto , Michael B. Lund , Carolina Villarreal D'Angelo , Karen A. Collins , Luca Fossati , Andrew W. Howard , Daria Kubyshkina , Rafael Brahm , Antonija Oklopčić , Paul Mollière , Seth Redfield , Luisa Maria Serrano , Fei Dai , Malcolm Fridlund , Francesco Borsa , Judith Korth , Massimiliano Esposito , Matías R. Díaz , Louise Dyregaard Nielsen , Coel Hellier , Savita Mathur , Hans J. Deeg , Artie P. Hatzes , Serena Benatti , Florian Rodler , Javier Alarcon , Lorenzo Spina , Ângela R. G. Santos , Iskra Georgieva , Rafael A. García , Lucía González-Cuesta , George R. Ricker , Roland Vanderspek , David W. Latham , Sara Seager , Joshua N. Winn , Jon M. Jenkins , Simon Albrecht , Natalie M. Batalha , Corey Beard , Patricia T. Boyd , François Bouchy , Jennifer A. Burt , R. Paul Butler , Juan Cabrera , Ashley Chontos , David Ciardi , William D. Cochran , Kevin I. Collins , Jeffrey D. Crane , Ian Crossfield , Szilard Csizmadia , Diana Dragomir , Courtney Dressing , Philipp Eigmüller , Michael Endl , Anders Erikson , Nestor Espinoza , Michael Fausnaugh , Fabo Feng , Erin Flowers , Benjamin Fulton , Erica J. Gonzales , Nolan Grieves , Sascha Grziwa , Eike W. Guenther , Natalia M. Guerrero , Thomas Henning , Diego Hidalgo , Teruyuki Hirano , Maria Hjorth , Daniel Huber , Howard Isaacson , Matias Jones , Andrés Jordán , Petr Kabáth , Stephen R. Kane , Emil Knudstrup , Jack Lubin , Rafael Luque , Ismael Mireles , Norio Narita , David Nespral , Prajwal Niraula , Grzegorz Nowak , Enric Palle , Martin Pätzold , Erik A Petigura , Jorge Prieto-Arranz , Heike Rauer , Paul Robertson , Mark E. Rose , Arpita Roy , Paula Sarkis , Joshua E. Schlieder , Damien Ségransan , Stephen Shectman , Marek Skarka , Alexis M. S. Smith , Jeffrey C. Smith , Keivan Stassun , Johanna Teske , Joseph D. Twicken , Vincent Van Eylen , Sharon Wang , Lauren M. Weiss , Aurélien Wyttenbach

Ultrashort-period (USP) exoplanets -- with $R_p \leq 2~$R$_{\oplus}$ and periods $\leq$1 day -- are expected to be stripped of volatile atmospheres by intense host star irradiation, which is corroborated by their nominal bulk densities and…

We report the discovery of TOI-2180 b, a 2.8 $M_{\rm J}$ giant planet orbiting a slightly evolved G5 host star. This planet transited only once in Cycle 2 of the primary Transiting Exoplanet Survey Satellite (TESS) mission. Citizen…

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

Long-period transiting planets provide the opportunity to better understand the formation and evolution of planetary systems. Their atmospheric properties remain largely unaltered by tidal or radiative effects of the host star, and their…

Determining the architecture of multi-planetary systems is one of the cornerstones of understanding planet formation and evolution. Resonant systems are especially important as the fragility of their orbital configuration ensures that no…

Earth and Planetary Astrophysics · Physics 2021-01-25 A. Leleu , Y. Alibert , N. C. Hara , M. J. Hooton , T. G. Wilson , P. Robutel , J. -B. Delisle , J. Laskar , S. Hoyer , C. Lovis , E. M. Bryant , E. Ducrot , J. Cabrera , L. Delrez , J. S. Acton , V. Adibekyan , R. Allart , C. Allende Prieto , R. Alonso , D. Alves , D. R. Anderson , D. Angerhausen , G. Anglada Escudé , J. Asquier , D. Barrado , S. C. C. Barros , W. Baumjohann , D. Bayliss , M. Beck , T. Beck , A. Bekkelien , W. Benz , N. Billot , A. Bonfanti , X. Bonfils , F. Bouchy , V. Bourrier , G. Boué , A. Brandeker , C. Broeg , M. Buder , A. Burdanov , M. R. Burleigh , T. Bárczy , A. C. Cameron , S. Chamberlain , S. Charnoz , B. F. Cooke , C. Corral Van Damme , A. C. M. Correia , S. Cristiani , M. Damasso , M. B. Davies , M. Deleuil , O. D. S. Demangeon , B. -O. Demory , P. Di Marcantonio , G. Di Persio , X. Dumusque , D. Ehrenreich , A. Erikson , P. Figueira , A. Fortier , L. Fossati , M. Fridlund , D. Futyan , D. Gandolfi , A. García Muñoz , L. J. Garcia , S. Gill , E. Gillen , M. Gillon , M. R. Goad , J. I. González Hernández , M. Guedel , M. N. Günther , J. Haldemann , B. Henderson , K. Heng , A. E. Hogan , K. Isaak , E. Jehin , J. S. Jenkins , A. Jordán , L. Kiss , M. H. Kristiansen , K. Lam , B. Lavie , A. Lecavelier des Etangs , M. Lendl , J. Lillo-Box , G. Lo Curto , D. Magrin , C. J. A. P. Martins , P. F. L. Maxted , J. McCormac , A. Mehner , G. Micela , P. Molaro , M. Moyano , C. A. Murray , V. Nascimbeni , N. J. Nunes , G. Olofsson , H. P. Osborn , M. Oshagh , R. Ottensamer , I. Pagano , E. Pallé , P. P. Pedersen , F. A. Pepe , C. M. Persson , G. Peter , G. Piotto , G. Polenta , D. Pollacco , E. Poretti , F. J. Pozuelos , D. Queloz , R. Ragazzoni , N. Rando , F. Ratti , H. Rauer , L. Raynard , R. Rebolo , C. Reimers , I. Ribas , N. C. Santos , G. Scandariato , J. Schneider , D. Sebastian , M. Sestovic , A. E. Simon , A. M. S. Smith , S. G. Sousa , A. Sozzetti , M. Steller , A. Suárez Mascareño , Gy. M. Szabó , D. Ségransan , N. Thomas , S. Thompson , R. H. Tilbrook , A. Triaud , O. Turner , S. Udry , V. Van Grootel , H. Venus , F. Verrecchia , J. I. Vines , N. A. Walton , R. G. West , P. J. Wheatley , D. Wolter , M. R. Zapatero Osorio
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