Related papers: The TOI-763 system: sub-Neptunes orbiting a Sun-li…

TOI-1055 b: Neptunian planet characterised with HARPS, TESS, and CHEOPS

TOI-1055 is a Sun-like star known to host a transiting Neptune-sized planet on a 17.5-day orbit (TOI-1055 b). Radial velocity (RV) analyses carried out by two independent groups using nearly the same set of HARPS spectra have provided…

Earth and Planetary Astrophysics · Physics 2023-03-08 A. Bonfanti , D. Gandolfi , J. A. Egger , L. Fossati , J. Cabrera , A. Krenn , Y. Alibert , W. Benz , N. Billot , H. -G. Florén , M. Lendl , V. Adibekyan , S. Salmon , N. C. Santos , S. G. Sousa , T. G. Wilson , O. Barragán , A. Collier Cameron , L. Delrez , M. Esposito , E. Goffo , H. Osborne , H. P. Osborn , L. M. Serrano , V. Van Eylen , J. Alarcon , R. Alonso , G. Anglada , T. Bárczy , D. Barrado Navascues , S. C. C. Barros , W. Baumjohann , M. Beck , T. Beck , M. Bedell , X. Bonfils , L. Borsato , A. Brandeker , C. Broeg , S. Charnoz , C. Corral Van Damme , Sz. Csizmadia , P. E. Cubillos , M. B. Davies , M. Deleuil , O. D. S. Demangeon , B. -O. Demory , D. Ehrenreich , A. Erikson , A. Fortier , M. Fridlund , M. Gillon , M. Güdel , S. Hoyer , K. G. Isaak , F. Kerschbaum , L. L. Kiss , J. Laskar , A. Lecavelier des Etangs , D. Lorenzo-Oliveira , C. Lovis , D. Magrin , L. Marafatto , P. F. L. Maxted , J. Meléndez , C. Mordasini , V. Nascimbeni , G. Olofsson , R. Ottensamer , I. Pagano , E. Pallé , G. Peter , D. Piazza , G. Piotto , D. Pollacco , D. Queloz , R. Ragazzoni , N. Rando , H. Rauer , I. Ribas , G. Scandariato , D. Ségransan , A. E. Simon , A. M. S. Smith , M. Steller , Gy. M. Szabó , N. Thomas , S. Udry , B. Ulmer , V. Van Grootel , J. Venturini , N. A. Walton

The TESS-Keck Survey. XIX. A Warm Transiting Sub-Saturn Mass Planet and a non-Transiting Saturn Mass Planet Orbiting a Solar Analog

The Transiting Exoplanet Survey Satellite (TESS) continues to dramatically increase the number of known transiting exoplanets, and is optimal for monitoring bright stars amenable to radial velocity (RV) and atmospheric follow-up…

Earth and Planetary Astrophysics · Physics 2024-03-14 Michelle L. Hill , Stephen R. Kane , Paul A. Dalba , Mason MacDougall , Tara Fetherolf , Zhexing Li , Daria Pidhorodetska , Natalie M. Batalha , Ian J. M. Crossfield , Courtney Dressing , Benjamin Fulton , Andrew W. Howard , Daniel Huber , Howard Isaacson , Erik A Petigura , Paul Robertson , Lauren M. Weiss , Aida Behmard , Corey Beard , Ashley Chontos , Fei Dai , Steven Giacalone , Lea A. Hirsch , Rae Holcomb , Jack Lubin , Andrew W. Mayo , Teo Mocnik , Joseph M. Akana Murphy , Alex S. Polanski , Lee J. Rosenthal , Ryan A. Rubenzahl , Nicholas Scarsdale , Emma V. Turtelboom , Judah Van Zandt , Allyson Bieryla , David R. Ciardi , Jason D. Eastman , Ben Falk , Katharine M. Hesse , David W. Latham , John Livingston , Rachel A. Matson , Elisabeth Matthews , George R. Ricker , Alexander Rudat , Joshua E. Schlieder , S. Seager , Joshua N. Winn

Three Red Suns in the Sky: A Transiting, Terrestrial Planet in a Triple M Dwarf System at 6.9 Parsecs

We present the discovery from TESS data of LTT 1445Ab. At a distance of 6.9 parsecs, it is the second nearest transiting exoplanet system found to date, and the closest one known for which the primary is an M dwarf. The host stellar system…

Earth and Planetary Astrophysics · Physics 2024-09-05 Jennifer G. Winters , Amber A. Medina , Jonathan M. Irwin , David Charbonneau , Nicola Astudillo-Defru , Elliott P. Horch , Jason D. Eastman , Eliot Vrijmoet , Todd J. Henry , Hannah Diamond-Lowe , Elaine Winston , Thomas Barclay , Xavier Bonfils , George R. Ricker , Roland Vanderspek , David W. Latham , Sara Seager , Joshua N. Winn , Jon M. Jenkins , St'ephane Udry , Joseph D. Twicken , Johanna K. Teske , Peter Tenenbaum , Francesco Pepe , Felipe Murgas , Philip S. Muirhead , Jessica Mink , Christophe Lovis , Alan M. Levine , S'ebastien L'epine , Wei-Chun Jao , Christopher E. Henze , G'abor Fur'esz , Thierry Forveille , Pedro Figueira , Gilbert A. Esquerdo , Courtney D. Dressing , Rodrigo F. D'iaz , Xavier Delfosse , Chris J. Burke , Franois Bouchy , Perry Berlind , Jose-Manuel Almenara

HD 191939: Three Sub-Neptunes Transiting a Sun-like Star Only 54 pc Away

We present the discovery of three sub-Neptune-sized planets transiting the nearby and bright Sun-like star HD 191939 (TIC 269701147, TOI 1339), a $K_{s}=7.18$ magnitude G8 V dwarf at a distance of only 54 parsecs. We validate the planetary…

Earth and Planetary Astrophysics · Physics 2020-08-26 Mariona Badenas-Agusti , Maximilian N. Günther , Tansu Daylan , Thomas Mikal-Evans , Andrew Vanderburg , Chelsea X. Huang , Elisabeth Matthews , Benjamin V. Rackham , Allyson Bieryla , Keivan G. Stassun , Stephen R. Kane , Avi Shporer , Benjamin J. Fulton , Michelle L. Hill , Grzegorz Nowak , Ignasi Ribas , Enric Pallé , Jon M. Jenkins , David W. Latham , Sara Seager , George R. Ricker , Roland K. Vanderspek , Joshua N. Winn , Oriol Abril-Pla , Karen A. Collins , Pere Guerra Serra , Prajwal Niraula , Zafar Rustamkulov , Thomas Barclay , Ian J. M. Crossfield , Steve B. Howell , David R. Ciardi , Erica J. Gonzales , Joshua E. Schlieder , Douglas A. Caldwell , Michael Fausnaugh , Scott McDermott , Martin Paegert , Joshua Pepper , Mark E. Rose , Joseph D. Twicken

The GAPS programme at TNG LXIV: An inner eccentric sub-Neptune and an outer sub-Neptune-mass candidate around BD+00 444 (TOI-2443)

We examined in depth the star BD+00 444 (GJ 105.5, TOI-2443; V = 9.5 mag; d = 23.9 pc), with the aim of characterizing and confirming the planetary nature of its small companion, the planet candidate TOI-2443.01, which was discovered by…

Earth and Planetary Astrophysics · Physics 2024-12-25 L. Naponiello , A. S. Bonomo , L. Mancini , M. L. Steinmeyer , K. Biazzo , D. Polychroni , C. Dorn , D. Turrini , A. F. Lanza , A. Sozzetti , S. Desidera , M. Damasso , K. A. Collins , I. Carleo , K. I. Collins , S. Colombo , M. C. D'Arpa , X. Dumusque , M. Gonzalez , G. Guilluy , V. Lorenzi , G. Mantovan , D. Nardiello , M. Pinamonti , R. P. Schwarz , V. Singh , C. N. Watkins , T. Zingales

Searching for GEMS: TOI-6383Ab, a giant planet transiting an M3-dwarf star in a binary system

We report on the discovery of a transiting giant planet around the 3500 K M3-dwarf star TOI-6383A located 172 pc from Earth. It was detected by the Transiting Exoplanet Survey Satellite (TESS) and confirmed by a combination of ground-based…

Earth and Planetary Astrophysics · Physics 2024-09-26 Lia Marta Bernabò , Shubham Kanodia , Caleb I. Canas , William D. Cochran , Szilárd Csizmadia , Suvrath Mahadevan , Gudhmundur Stefánsson , Arvind F. Gupta , Andrew Monson , Henry A. Kobulnicky , Alexander K. Larsen , Ethan G. Cotter , Alexina Birkholz , Tera N. Swaby , Gregory Zeimann , Chad F. Bender , Scott A. Diddams , Jessica E. Libby-Roberts , Andrea S. J. Lin , Joe P. Ninan , Heike Rauer , Varghese Reji , Paul Robertson , Arpita Roy , Christian Schwab

Unveiling the internal structure and formation history of the three planets transiting HIP 29442 (TOI-469) with CHEOPS

Multiplanetary systems spanning the radius valley are ideal testing grounds for exploring the proposed explanations for the observed bimodality in the radius distribution of close-in exoplanets. One such system is HIP 29442 (TOI-469), an…

Earth and Planetary Astrophysics · Physics 2024-08-28 J. A. Egger , H. P. Osborn , D. Kubyshkina , C. Mordasini , Y. Alibert , M. N. Günther , M. Lendl , A. Brandeker , A. Heitzmann , A. Leleu , M. Damasso , A. Bonfanti , T. G. Wilson , S. G. Sousa , J. Haldemann , L. Delrez , M. J. Hooton , T. Zingales , R. Luque , R. Alonso , J. Asquier , T. Bárczy , D. Barrado Navascues , S. C. C. Barros , W. Baumjohann , W. Benz , N. Billot , L. Borsato , C. Broeg , M. Buder , A. Castro-González , A. Collier Cameron , A. C. M. Correia , D. Cortes , Sz. Csizmadia , P. E. Cubillos , M. B. Davies , M. Deleuil , A. Deline , O. D. S. Demangeon , B. -O. Demory , A. Derekas , B. Edwards , D. Ehrenreich , A. Erikson , A. Fortier , L. Fossati , M. Fridlund , D. Gandolfi , K. Gazeas , M. Gillon , M. Güdel , Ch. Helling , K. G. Isaak , L. L. Kiss , J. Korth , K. W. F. Lam , J. Laskar , B. Lavie , A. Lecavelier des Etangs , C. Lovis , A. Luntzer , D. Magrin , P. F. L. Maxted , B. Merín , M. Munari , V. Nascimbeni , G. Olofsson , R. Ottensamer , I. Pagano , E. Pallé , G. Peter , D. Piazza , G. Piotto , D. Pollacco , D. Queloz , R. Ragazzoni , N. Rando , H. Rauer , I. Ribas , J. Rodrigues , N. C. Santos , G. Scandariato , D. Ségransan , A. E. Simon , A. M. S. Smith , M. Stalport , S. Sulis , Gy. M. Szabó , S. Udry , V. Van Grootel , J. Venturini , E. Villaver , N. A. Walton

Giant Outer Transiting Exoplanet Mass (GOTEM) Survey.VII. TOI-6041: a multi-planet system including a warm Neptune exhibiting strong TTVs

We present the characterization of the TOI-6041 system, a bright ($V = 9.84 \pm 0.03$) G7-type star hosting at least two planets. The inner planet, TOI-6041b, is a warm Neptune with a radius of $4.55^{+0.18}_{-0.17}\,R_\oplus$, initially…

Earth and Planetary Astrophysics · Physics 2026-03-11 N. Heidari , A. Alnajjarine , H. P. Osborn , D. Dragomir , P. Dalba , W. Benz , G. Hébrard , J. Laskar , N. Billot , M. N. Günther , T. G. Wilson , Y. Alibert , A. Bonfanti , A. Bieryla , C. Broeg , A. C. M. Correia , J. A. Egger , Z. Essack , E. Furlan , D. Gandolfi , N. Grieves , S. Howell , D. LaCourse , C. Pezzotti , T. Pritchard , S. G. Sousa , S. Ulmer-Moll , S. Villanueva , R. Alonso , J. Asquier , T. Bárczy , D. Barrado , S. C. Barros , W. Baumjohann , L. Borsato , A. Brandeker , M. Buder , A. Collier Cameron , S. Csizmadia , P. E. Cubillos , M. B. Davies , M. Deleuil , X. Delfosse , A. Deline , O. D. S. Demangeon , B. Demory , A. Derekas , B. Edwards , D. Ehrenreich , A. Erikson , A. Fortier , L. Fossati , M. Fridlund , K. Gazeas , M. Gillon , M. Güdel , J. Hasiba , A. Heitzmann , C. Helling , J. M. Jenkins , T. Keller , K. G. Stassun , L. Kiss , J. Korth , K. W. F. Lam , D. W. Latham , A. Lecavelier des Etangs , A. Leleu , M. Lendl , P. F. L. Maxted , S. McDermott , B. Merín , C. Mordasini , V. Nascimbeni , G. Nowak , G. Olofsson , I. Pagano , E. Pallé , G. Piotto , D. Pollacco , D. Queloz , R. Ragazzoni , H. Rauer , I. Ribas , G. Ricker , N. C. Santos , G. Scandariato , S. Seager , D. Ségransan , A. E. Simon , A. M. S. Smith , M. Stalport , S. Striegel , S. Sulis , G. M. Szabó , S. Udry , V. Van Grootel , R. Vanderspek , J. Venturini , E. Villaver , V. Viotto , N. A. Walton , J. N. Winn , S. Wolf

TESS Giants Transiting Giants. VII. A Hot Saturn Orbiting an Oscillating Red Giant Star

We present the discovery of TOI-7041 b (TIC 201175570 b), a hot Saturn transiting a red giant star with measurable stellar oscillations. We observe solar-like oscillations in TOI-7041 with a frequency of maximum power of $\nu_{\rm max} =…

Earth and Planetary Astrophysics · Physics 2024-10-16 Nicholas Saunders , Samuel K. Grunblatt , Daniel Huber , J. M. Joel Ong , Kevin C. Schlaufman , Daniel Hey , Yaguang Li , R. P. Butler , Jeffrey D. Crane , Steve Shectman , Johanna K. Teske , Samuel N. Quinn , Samuel W. Yee , Rafael Brahm , Trifon Trifonov , Andrés Jordán , Thomas Henning , David K. Sing , Meredith MacGregor , Emma Page , David Rapetti , Ben Falk , Alan M. Levine , Chelsea X. Huang , Michael B. Lund , George R. Ricker , S. Seager , Joshua N. Winn , Jon M. Jenkins

TOI-2285b: A 1.7 Earth-radius Planet Near the Habitable Zone around a Nearby M Dwarf

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

TOI 762 A b and TIC 46432937 b: Two Giant Planets Transiting M Dwarf Stars

We present the discovery of TOI 762 A b and TIC 46432937 b, two giant planets transiting M dwarf stars. Transits of both systems were first detected from observations by the NASA TESS mission, and the transiting objects are confirmed as…

Earth and Planetary Astrophysics · Physics 2024-07-11 Joel D. Hartman , Daniel Bayliss , Rafael Brahm , Edward M. Bryant , Andrés Jordán , Gáspár Á. Bakos , Melissa J. Hobson , Elyar Sedaghati , Xavier Bonfils , Marion Cointepas , Jose Manuel Almenara , Khalid Barkaoui , Mathilde Timmermans , George Dransfield , Elsa Ducrot , Sebastián Zúñiga-Fernández , Matthew J. Hooton , Peter Pihlmann Pedersen , Francisco J. Pozuelos , Amaury H. M. J. Triaud , Michaël Gillon , Emmanuel Jehin , William C. Waalkes , Zachory K. Berta-Thompson , Steve B. Howell , Elise Furlan , George R. Ricker , Roland Vanderspek , Sara Seager , Joshua N. Winn , Jon M. Jenkins , David Rapetti , Karen A. Collins , David Charbonneau , Christopher J. Burke , David R. Rodriguez

Characterisation of the Warm-Jupiter TOI-1130 system with CHEOPS and photo-dynamical approach

Among the thousands of exoplanets discovered to date, approximately a few hundred gas giants on short-period orbits are classified as "lonely" and only a few are in a multi-planet system with a smaller companion on a close orbit. The…

Earth and Planetary Astrophysics · Physics 2024-09-04 L. Borsato , D. Degen , A. Leleu , M. J. Hooton , J. A. Egger , A. Bekkelien , A. Brandeker , A. Collier Cameron , M. N. Günther , V. Nascimbeni , C. M. Persson , A. Bonfanti , T. G. Wilson , A. C. M. Correia , T. Zingales , T. Guillot , A. H. M. J. Triaud , G. Piotto , D. Gandolfi , L. Abe , Y. Alibert , R. Alonso , T. Bárczy , D. Barrado Navascues , S. C. C. Barros , W. Baumjohann , T. Beck , P. Bendjoya , W. Benz , N. Billot , C. Broeg , M. -D. Busch , Sz. Csizmadia , P. E. Cubillos , M. B. Davies , M. Deleuil , A. Deline , L. Delrez , O. D. S. Demangeon , B. -O. Demory , A. Derekas , B. Edwards , D. Ehrenreich , A. Erikson , A. Fortier , L. Fossati , M. Fridlund , K. Gazeas , M. Gillon , M. Güdel , A. Heitzmann , Ch. Helling , S. Hoyer , K. G. Isaak , L. L. Kiss , J. Korth , K. W. F. Lam , J. Laskar , A. Lecavelier des Etangs , M. Lendl , D. Magrin , L. Marafatto , P. F. L. Maxted , M. Mecina , D. Mékarnia , C. Mordasini , D. Mura , G. Olofsson , R. Ottensamer , I. Pagano , E. Pallé , G. Peter , D. Pollacco , D. Queloz , R. Ragazzoni , N. Rando , F. Ratti , H. Rauer , I. Ribas , S. Salmon , N. C. Santos , G. Scandariato , D. Ségransan , A. E. Simon , A. M. S. Smith , S. G. Sousa , M. Stalport , O. Suarez , S. Sulis , Gy. M. Szabó , S. Udry , V. Van Grootel , J. Venturini , E. Villaver , N. A. Walton , D. Wolter

Radii, masses, and transit-timing variations of the three-planet system orbiting the naked-eye star TOI-396

TOI-396 is an F6V star ($V\approx6.4$) orbited by three transiting planets. The orbital periods of the two innermost planets are close to the 5:3 commensurability ($P_b \sim3.6$ d and $P_c \sim6.0$ d). To measure the masses of the three…

Earth and Planetary Astrophysics · Physics 2025-01-08 A. Bonfanti , I. Amateis , D. Gandolfi , L. Borsato , J. A. Egger , P. E. Cubillos , D. Armstrong , I. C. Leão , M. Fridlund , B. L. Canto Martins , S. G. Sousa , J. R. De Medeiros , L. Fossati , V. Adibekyan , A. Collier Cameron , S. Grziwa , K. W. F. Lam , E. Goffo , L. D. Nielsen , F. Rodler , J. Alarcon , J. Lillo-Box , W. D. Cochran , R. Luque , S. Redfield , N. C. Santos , S. C. C. Barros , D. Bayliss , X. Dumusque , M. A. F. Keniger , J. Livingston , F. Murgas , G. Nowak , A. Osborn , H. P. Osborn , E. Pallé , C. M. Persson , L. M. Serrano , P. A. Strøm , S. Udry , P. J. Wheatley

The TESS-Keck Survey I: A Warm Sub-Saturn-mass Planet and a Caution about Stray Light in TESS Cameras

We report the detection of a Saturn-size exoplanet orbiting HD 332231 (TOI 1456) in light curves from the Transiting Exoplanet Survey Satellite (TESS). HD 332231, an F8 dwarf star with a V-band magnitude of 8.56, was observed by TESS in…

Earth and Planetary Astrophysics · Physics 2020-05-01 Paul A. Dalba , Arvind F. Gupta , Joseph E. Rodriguez , Diana Dragomir , Chelsea X. Huang , Stephen R. Kane , Samuel N. Quinn , Allyson Bieryla , Gilbert A. Esquerdo , Benjamin J. Fulton , Nicholas Scarsdale , Natalie M. Batalha , Corey Beard , Aida Behmard , Ashley Chontos , Ian J. M. Crossfield , Courtney D. Dressing , Steven Giacalone , Michelle L. Hill , Lea A. Hirsch , Andrew W. Howard , Daniel Huber , Howard Isaacson , Molly Kosiarek , Jack Lubin , Andrew W. Mayo , Teo Mocnik , Joseph M. Akana Murphy , Erik A. Petigura , Paul Robertson , Lee J. Rosenthal , Arpita Roy , Ryan A. Rubenzahl , Judah Van Zandt , Lauren M. Weiss , Emil Knudstrup , Mads F. Andersen , Frank Grundahl , Xinyu Yao , Joshua Pepper , Steven Villanueva , David R. Ciardi , Ryan Cloutier , Thomas Lee Jacobs , Martti H. Kristiansen , Daryll M. LaCourse , Monika Lendl , Hugh P. Osborn , Enric Palle , Keivan G. Stassun , Daniel J. Stevens , George R. Ricker , Roland Vanderspek , David W. Latham , S. Seager , Joshua N. Winn , Jon M. Jenkins , Douglas A. Caldwell , Tansu Daylan , William Fong , Robert F. Goeke , Mark E. Rose , Pamela Rowden , Joshua E. Schlieder , Jeffrey C. Smith , Andrew Vanderburg

TOI-2084 b and TOI-4184 b: two new sub-Neptunes around M dwarf stars

We present the discovery and validation of two TESS exoplanets orbiting nearby M dwarfs: TOI-2084b, and TOI-4184b. We characterized the host stars by combining spectra from Shane/Kast and Magellan/FIRE, SED (Spectral Energy Distribution)…

Earth and Planetary Astrophysics · Physics 2023-06-28 K. Barkaoui , M. Timmermans , A. Soubkiou , B. V. Rackham , A. J. Burgasser , J. Chouqar , F. J. Pozuelos , K. A. Collins , S. B. Howell , R. Simcoe , C. Melis , K. G. Stassun , J. Tregloan-Reed , M. Cointepas , M. Gillon , X. Bonfils , E. Furlan , C. L. Gnilka , J. M. Almenara , R. Alonso , Z. Benkhaldoun , M. Bonavita , F. Bouchy , A. Burdanov , P. Chinchilla , F. Davoudi , L. Delrez , O. Demangeon , M. Dominik , B. -O. Demory , J. de Wit , G. Dransfield , E. Ducrot , A. Fukui , T. C. Hinse , M. J. Hooton , E. Jehin , J. M. Jenkins , U. G. Jørgensen , D. W. Latham , L. Garcia , S. Carrazco-Gaxiola , M. Ghachoui , Y. Gómez Maqueo Chew , M. N. Günther , J. McCormac , F. Murgas , C. A. Murray , N. Narita , P. Niraula , P. P. Pedersen , D. Queloz , R. Rebolo-López , G. Ricker , L. Sabin , S. Sajadian , N. Schanche , R. P. Schwarz , S. Seager , D. Sebastian , R. Sefako , S. Sohy , J. Southworth , G. Srdoc , S. J. Thompson , A. H. M. J. Triaud , R. Vanderspek , R. D. Wells , J. N. Winn , S. Zúñiga-Fernández

A Mini-Neptune and a Venus-Zone Planet in the Radius Valley Orbiting the Nearby M2-dwarf TOI-1266: Validation with the Habitable-zone Planet Finder

We report on the validation of two planets orbiting the nearby (36pc) M2 dwarf TOI-1266 observed by the TESS mission. The inner planet is sub-Neptune-sized ($R=2.46 \pm 0.08 R_\oplus$) with an orbital period of 10.9 days. The outer planet…

Earth and Planetary Astrophysics · Physics 2020-06-22 Gudmundur Stefansson , Ravi Kopparapu , Andrea Lin , Suvrath Mahadevan , Caleb Cañas , Shubham Kanodia , Joe Ninan , William Cochran , Michael Endl , Leslie Hebb , John Wisniewski , Arvind Gupta , Mark Everett , Chad Bender , Scott Diddams , Eric Ford , Connor Fredrick , Samuel Halverson , Fred Hearty , Eric Levi , Marissa Maney , Andrew Metcalf , Andrew Monson , Lawrence Ramsey , Paul Robertson , Arpita Roy , Christian Schwab , Ryan Terrien , Jason Wright

Transit Timing Variations in the three-planet system: TOI-270

We present ground and space-based photometric observations of TOI-270 (L231-32), a system of three transiting planets consisting of one super-Earth and two sub-Neptunes discovered by TESS around a bright (K-mag=8.25) M3V dwarf. The planets…

Earth and Planetary Astrophysics · Physics 2023-08-22 Laurel Kaye , Shreyas Vissapragada , Maximilian N. Gunther , Suzanne Aigrain , Thomas Mikal-Evans , Eric L. N. Jensen , Hannu Parviainen , Francisco J. Pozuelos , Lyu Abe , Jack S. Acton , Abdelkrim Agabi , Douglas R. Alves , David R. Anderson , David J. Armstrong , Khalid Barkaoui , Oscar Barragan , Bjorn Benneke , Patricia T. Bo yd , Rafael Brahm , Ivan Bruni , Edward M. Bryant , Matthew R. Burleigh , Sarah L. Casewell , David Ciardi , Ryan Cloutier , Karen A. Collins , Kevin I. Collins , Dennis M. Conti , Ian J. M. Crossfield , Nicolas Crouzet , Tansu Daylan , Diana Dragomir , Georgina Dransfield , Daniel F abrycky , Michael Fausnaugh , Gabor Fuuresz , Tianjun Gan , Samuel Gill , Michael Gillon , Michael R Goad , Varoujan Gorjian , Michael Greklek-McKeon , Natalia Guerrero , Tristan Guillot , Emmanuel Jehin , J. S. Jenkins , Monika Lendl , Jacob Kamler , Stephen R. Kane , John F. Kielkopf , Michelle Kunimoto , Wenceslas Marie-Sainte , James McCormac , Djamel Mekarnia , Farisa Y. Morales , Maximiliano Moyano , Enric Palle , Vivien Parmentier , Howard M. Relles , Francois-Xavier Schmider , Richard P. Schwarz , S. Seager , Alexis M. S. Smith , Thiam-Guan Tan , Jake Taylor , Amaury H. M. J. Triaud , Joseph D. Twicken , Stephane Udry , J. I. Vines , Gavin Wang , Peter J. Wheatley , Joshua N. Winn

The HD 60779 Planetary System: A Transiting Sub-Neptune on a 30-day Orbit and a More Massive Outer World

We present the discovery of the planetary system orbiting the bright (V = 7.2), nearby (35 pc), Sun-like star HD 60779, which has a mass of 1.050 +/- 0.044 solar masses and a radius of 1.129 +/- 0.013 solar radii. We report two TESS…

Earth and Planetary Astrophysics · Physics 2025-08-26 Victoria DiTomasso , David Charbonneau , Andrew Vanderburg , Mercedes López-Morales , Shreyas Vissapragada , Annelies Mortier , Thomas G. Wilson , Elyse Incha , Andrew Collier Cameron , Luca Malavolta , Lars A. Buchhave , David W. Latham , Matteo Pinamonti , Stephanie Striegel , Michael Fausnaugh , Luke Bouma , Ben Falk , Robert Aloisi , Xavier Dumusque , A. Anna John , Ben S. Lakeland , A. F. Martínez Fiorenzano , Luca Naponiello , Belinda Nicholson , Emily K. Pass , Francesco Alfonso Pepe , Federica Rescigno , Alessandro Sozzetti , Daisy A. Turner , Saul A. Rappaport , Mark Omohundro , Brian P. Powell , Robert Gagliano , Thomas L. Jacobs , Veselin B. Kostov , Martti H. Kristiansen , Daryll M. LaCourse , Allan R. Schmitt , Hans Martin Schwengeler , Ivan A. Terentev

A 34.6-day transiting sub-Neptune in the TOI-1422 planetary system

TOI-1422 is a G2 V star ($V = 10.6$ mag) known to host a warm Neptune-sized planet, TOI-1422 b, with a mass and radius of about $9M_{\oplus}$ and $4R_{\oplus}$, on a circular orbit with a period of $12.997$ days. An outer planetary…

Earth and Planetary Astrophysics · Physics 2025-11-18 L. Naponiello , P. Leonardi , M. Damasso , M. -L. Steinmeyer , M. Stalport , C. Dorn , A. S. Bonomo , L. Mancini , A. Sozzetti , S. Benatti , S. Colombo , R. Cosentino

Planetary system around LTT 1445A unveiled by ESPRESSO: Multiple planets in a triple M-dwarf system

We present radial velocity follow-up obtained with ESPRESSO of the M-type star LTT 1445A (TOI-455), for which a transiting planet b with an orbital period of~5.4 days was detected by TESS. We report the discovery of a second transiting…

Earth and Planetary Astrophysics · Physics 2023-05-10 B. Lavie , F. Bouchy , C. Lovis , M. Zapatero Osorio , A. Deline , S. Barros , P. Figueira , A. Sozzetti , J. I. Gonzalez Hernandez , J. Lillo-Box , J. Rodrigues , A. Mehner , M. Damasso , V. Adibekyan , Y. Alibert , C. Allende Prieto , S. Cristiani , V. DOdorico , P. Di Marcantonio , D. Ehrenreich , R. Genova Santos , G. Lo Curto , C. J. A. P. Martins , G. Micela , P. Molaro , N. Nunes , E. Palle , F. Pepe , E. Poretti , R. Rebolo , N. Santos , S. Sousa , A. Suarez Mascareno , H. Tabrenero , S. Udry