Related papers: TOI-880 is an Aligned, Coplanar, Multi-planet Syst…

Using Star Spots to Measure the Spin-orbit Alignment of Transiting Planets

Spectroscopic follow-up of dozens of transiting planets has revealed the degree of alignment between the equators of stars and the orbits of the planets they host. Here we determine a method, applicable to spotted stars, that can reveal the…

Earth and Planetary Astrophysics · Physics 2015-05-28 Philip A. Nutzman , Daniel C. Fabrycky , Jonathan J. Fortney

Stellar Obliquities in Long-period Exoplanet Systems (SOLES) I: The Spin-Orbit Alignment of K2-140 b

Obliquity measurements for stars hosting relatively long-period giant planets with weak star-planet tidal interactions may play a key role in distinguishing between formation theories for shorter-period hot Jupiters. Few such obliquity…

Earth and Planetary Astrophysics · Physics 2021-11-24 Malena Rice , Songhu Wang , Andrew W. Howard , Howard Isaacson , Fei Dai , Xian-Yu Wang , Corey Beard , Aida Behmard , Casey Brinkman , Ryan A. Rubenzahl , Gregory Laughlin

Stellar obliquities in exoplanetary systems

The rotation of a star and the revolutions of its planets are not necessarily aligned. This article reviews the measurement techniques, key findings, and theoretical interpretations related to the obliquities (spin-orbit angles) of…

Earth and Planetary Astrophysics · Physics 2022-08-23 Simon H. Albrecht , Rebekah I. Dawson , Joshua N. Winn

Architecture of TOI-561 planetary system

We present new observations from CHEOPS and TESS to clarify the architecture of the planetary system hosted by the old Galactic thick disk star TOI-561. Our global analysis, which also includes previously published photometric and radial…

Earth and Planetary Astrophysics · Physics 2024-11-01 G. Piotto , T. Zingales , L. Borsato , J. A. Egger , A. C. M. Correia , A. E. Simon , H. G. Florén , S. G. Sousa , P. F. L. Maxted , D. Nardiello , L. Malavolta , T. G. Wilson , Y. Alibert , V. Adibekyan , A. Bonfanti , R. Luque , N. C. Santos , M. J. Hooton , L. Fossati , A. M. S. Smith , S. Salmon , G. Lacedelli , R. Alonso , T. Bárczy , D. Barrado Navascues , S. C. C. Barros , W. Baumjohann , T. Beck , W. Benz , N. Billot , A. Brandeker , C. Broeg , M. Buder , A. Collier Cameron , 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 , M. Fridlund , D. Gandolfi , K. Gazeas , M. Gillon , M. Güdel , M. N. Günther , A. Heitzmann , Ch. Helling , K. G. Isaak , L. L. Kiss , J. Korth , K. W. F. Lam , J. Laskar , A. Lecavelier des Etangs , M. Lendl , P. Leonardi , D. Magrin , G. Mantovan , C. Mordasini , V. Nascimbeni , G. Olofsson , R. Ottensamer , I. Pagano , E. Pallé , G. Peter , R. Ottensamer , D. Pollacco , D. Queloz , R. Ragazzoni , N. Rando , F. Ratti , H. Rauer , I. Ribas , G. Scandariato , D. Ségransan , D. Sicilia , M. Stalport , S. Sulis , Gy. M. Szabó , S. Udry , S. Ulmer-Moll , V. Van Grootel , J. Venturini , E. Villaver , N. A. Walton , J. N. Winn , S. Wolf

Improved characterization of the TOI-2141 system: a dense sub-Neptune with non-transiting inner and outer companions

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…

Earth and Planetary Astrophysics · Physics 2026-01-14 R. Luque , K. W. F. Lam , J. Cabrera , A. Bonfanti , Y. N. E. Eschen , G. Olofsson , W. Benz , N. Billot , A. Brandeker , A. C. M. Correia , L. Fossati , D. Gandolfi , H. P. Osborn , C. Pezzotti , S. G. Sousa , T. G. Wilson , S. Wolf , Y. Alibert , R. Alonso , J. Asquier , T. Bárczy , D. Barrado , S. C. C. Barros , W. Baumjohann , F. Biondi , L. Borsato , C. Broeg , A. Collier Cameron , Sz. Csizmadia , P. E. Cubillos , M. B. Davies , M. Deleuil , A. Deline , O. D. S. Demangeon , B. -O. Demory , A. Derekas , B. Edwards , J. A. Egger , D. Ehrenreich , A. Erikson , A. Fortier , M. Fridlund , K. Gazeas , M. Gillon , M. Güdel , M. N. Günther , A. Heitzmann , Ch. Helling , K. G. Isaak , T. Keller , L. L. Kiss , J. Korth , J. Laskar , A. Lecavelier des Etangs , A. Leleu , M. Lendl , D. Magrin , G. Mantovan , P. F. L. Maxted , B. Merín , C. Mordasini , V. Nascimbeni , R. Ottensamer , I. Pagano , E. Pallé , G. Peter , D. Piazza , G. Piotto , D. Pollacco , D. Queloz , R. Ragazzoni , N. Rando , H. Rauer , I. Ribas , N. C. Santos , G. Scandariato , D. Ségransan , A. E. Simon , A. M. S. Smith , M. Stalport , S. Sulis , Gy. M. Szabó , S. Udry , B. Ulmer , S. Ulmer-Moll , V. Van Grootel , J. Venturini , E. Villaver , N. A. Walton , D. Wolter

Planet-Planet Eclipse and the Rossiter-McLaughlin Effect of a Multiple Transiting System: Joint Analysis of the Subaru Spectroscopy and the Kepler Photometry

We report a joint analysis of the Rossiter-McLaughlin (RM) effect with Subaru and the Kepler photometry for Kepler Object of Interest (KOI) 94 system. The system comprises four transiting planet candidates with orbital periods of 22.3…

Earth and Planetary Astrophysics · Physics 2015-06-11 Teruyuki Hirano , Norio Narita , Bun'ei Sato , Yasuhiro H. Takahashi , Kento Masuda , Yoichi Takeda , Wako Aoki , Motohide Tamura , Yasushi Suto

Transit least-squares survey -- III. A $1.9\,R_\oplus$ transit candidate in the habitable zone of Kepler-160 and a nontransiting planet characterized by transit-timing variations

The Sun-like star Kepler-160 (KOI-456) has been known to host two transiting planets, Kepler-160 b and c, of which planet c shows substantial transit-timing variations (TTVs). We used the archival Kepler photometry of Kepler-160 to search…

Earth and Planetary Astrophysics · Physics 2020-06-04 René Heller , Michael Hippke , Jantje Freudenthal , Kai Rodenbeck , Natalie M. Batalha , Steve Bryson

An Aligned Very-Low-Mass Star Orbiting an M dwarf and Obliquity Patterns Across Giant Planets, Brown Dwarfs, and Binary Stars

Stellar obliquity serves as a key diagnostic for tracing the dynamical evolution of bound systems-from giant planets and brown dwarfs to stellar binaries-revealing whether these diverse populations share analogous histories. Here, we report…

Earth and Planetary Astrophysics · Physics 2026-04-13 Tianjun Gan , Alexandrine L'Heureux , Étienne Artigau , Charles Cadieux , René Doyon , Neil J. Cook , Shude Mao

Photo-dynamical characterisation of the TOI-178 resonant chain

The TOI-178 system consists of a nearby late K-dwarf transited by six planets in the super-Earth to mini-Neptune regime, with radii ranging from 1.2 to 2.9 earth radius and orbital periods between 1.9 and 20.7 days. All planets but the…

Earth and Planetary Astrophysics · Physics 2024-08-28 A. Leleu , J. -B. Delisle , L. Delrez , E. M. Bryant , A. Brandeker , H. P. Osborn , N. Hara , T. G. Wilson , N. Billot , M. Lendl , D. Ehrenreich , H. Chakraborty , M. N. Günther , M. J. Hooton , Y. Alibert , R. Alonso , D. R. Alves , D. R. Anderson , I. Apergis , D. Armstrong , T. Bárczy , D. Barrado Navascues , S. C. C. Barros , M. P. Battley , W. Baumjohann , D. Bayliss , T. Beck , W. Benz , L. Borsato , C. Broeg , M. R. Burleigh , S. L. Casewell , A. Collier Cameron , A. C. M. Correia , Sz. Csizmadia , P. E. Cubillos , M. B. Davies , M. Deleuil , A. Deline , O. D. S. Demangeon , B. -O. Demory , A. Derekas , B. Edwards , A. Erikson , A. Fortier , L. Fossati , M. Fridlund , D. Gandolfi , K. Gazeas , E. Gillen , M. Gillon , M. R. Goad , M. Güdel , F. Hawthorn , A. Heitzmann , Ch. Helling , K. G. Isaak , J. S. Jenkins , J. M. Jenkins , A. Kendall , L. L. Kiss , J. Korth , K. W. F. Lam , J. Laskar , D. W. Latham , A. Lecavelier des Etangs , D. Magrin , P. F. L. Maxted , J. McCormac , C. Mordasini , M. Moyano , V. Nascimbeni , G. Olofsson , A. Osborn , R. Ottensamer , I. Pagano , E. Pallé , G. Peter , G. Piotto , D. Pollacco , D. Queloz , R. Ragazzoni , N. Rando , H. Rauer , I. Ribas , G. Ricker , S. Saha , N. C. Santos , G. Scandariato , S. Seager , D. Ségransan , A. E. Simon , A. M. S. Smith , S. G. Sousa , M. Stalport , S. Sulis , Gy. M. Szabó , S. Udry , V. Van Grootel , R. Vanderspek , J. Venturini , E. Villaver , J. I. Vinés , N. A. Walton , R. G. West , J. Winn , T. Zivave

TOI-3884 b: A rare 6-R$_{\oplus}$ planet that transits a low-mass star with a giant and likely polar spot

The Transiting Exoplanet Survey Satellite mission identified a deep and asymmetric transit-like signal with a periodicity of 4.5 days orbiting the M4 dwarf star TOI-3884. The signal has been confirmed by follow-up observations collected by…

Earth and Planetary Astrophysics · Physics 2022-11-16 J. M. Almenara , X. Bonfils , T. Forveille , N. Astudillo-Defru , D. R. Ciardi , R. P. Schwarz , K. A. Collins , M. Cointepas , M. B. Lund , F. Bouchy , D. Charbonneau , R. F. Díaz , X. Delfosse , R. C. Kidwell , M. Kunimoto , D. W. Latham , J. J. Lissauer , F. Murgas , G. Ricker , S. Seager , M. Vezie , D. Watanabe

TOI-2015b: a sub-Neptune in strong gravitational interaction with an outer non-transiting planet

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

Photo-dynamical Analysis of Circumbinary Multi-planet system TOI-1338: a Fully Coplanar Configuration with a Puffy Planet

TOI-1338 is the first circumbinary planet system discovered by TESS. It has one transiting planet at P$\sim$95 day and an outer non-transiting planet at P$\sim$215 day complemented by RV observation. Here we present a global photo-dynamical…

Earth and Planetary Astrophysics · Physics 2024-04-30 Mu-Tian Wang , Hui-Gen Liu

TOI-283 b: A transiting mini-Neptune in a 17.6-day orbit discovered with TESS and ESPRESSO

Super-Earths and mini-Neptunes are missing from our Solar System, yet they appear to be the most abundant planetary types in our Galaxy. A detailed characterization of key planets within this population is important for understanding the…

Earth and Planetary Astrophysics · Physics 2025-10-20 F. Murgas , E. Pallé , A. Suárez Mascareño , J. Korth , F. J. Pozuelos , M. J. Hobson , B. Lavie , C. Lovis , S. G. Sousa , D. Bossini , H. Parviainen , A. Castro-González , V. Adibekyan , C. Allende Prieto , Y. Alibert , F. Bouchy , C. Briceño , D. A. Caldwell , D. Ciardi , C. Clark , K. A. Collins , K. I. Collins , S. Cristiani , X. Dumusque , D. Ehrenreich , P. Figueira , E. Furlan , R. Génova Santos , C. Gnilka , J. I. González Hernández , Z. Hartman , S. B. Howell , J. M. Jenkins , N. Law , C. Littlefield , G. Lo Curto , A. W. Mann , C. J. A. P. Martins , A. Mehner , G. Micela , P. Molaro , N. J. Nunes , F. Pepe , R. Rebolo , H. M. Relles , N. C. Santos , N. J. Scott , S. Seager , A. Sozzetti , S. Udry , C. N. Watkins , J. N. Winn , M. R. Zapatero Osorio , C. Ziegler

TOI-4641b: An Aligned Warm Jupiter Orbiting a Bright (V=7.5) Rapidly Rotating F-star

We report the discovery of TOI-4641b, a warm Jupiter transiting a rapidly rotating F-type star with a stellar effective temperature of 6560 K. The planet has a radius of 0.73 $R_{Jup}$, a mass smaller than 3.87 $M_{Jup}$ $(3\sigma)$, and a…

Earth and Planetary Astrophysics · Physics 2023-12-08 Allyson Bieryla , George Zhou , Juliana García-Mejía , Tyler R. Farnington , David W. Latham , Brad Carter , Jiayin Dong , Chelsea X. Huang , Simon J. Murphy , Avi Shporer , Karen A. Collins , Samuel N. Quinn , Mark E. Everett , Lars A. Buchhave , René Tronsgaard , David Charbonneau , Marshall C. Johnson , Gilbert A. Esquerdo , Michael Calkins , Perry Berlind , Jon M. Jenkins , George R. Ricker , Sara Seager , Joshua N. Winn , Thomas Barclay , Ismael Mireles , Martin Paegert , Joseph D. Twicken

The TOI-763 system: sub-Neptunes orbiting a Sun-like star

We report the discovery of a planetary system orbiting TOI-763 (aka CD-39 7945), a $V=10.2$, high proper motion G-type dwarf star that was photometrically monitored by the TESS space mission in Sector 10. We obtain and model the stellar…

Earth and Planetary Astrophysics · Physics 2020-08-31 M. Fridlund , J. Livingston , D. Gandolfi , C. M. Persson , K. W. F. Lam , K. G. Stassun , C. Hellier , J. Korth , A. P. Hatzes , L. Malavolta , R. Luque , S. Redfield , E. W. Guenther , S. Albrecht , O. Barragan , S. Benatti , L. Bouma , J. Cabrera , W. D. Cochran , Sz. Csizmadia , F. Dai , H. J. Deeg , M. Esposito , I. Georgieva , S. Grziwa , L. González Cuesta , T. Hirano , J. M. Jenkins , P. Kabath , E. Knudstrup , D. W. Latham , S. Mathur , S. E. Mullally , N. Narita , G. Nowak , A. O. H. Olofsson , E. Palle , M. Pätzold , E. Pompei , H. Rauer , G. Ricker , F. Rodler , S. Seager , L. M. Serrano , A. M. S. Smith , L. Spina , J. Subjak , P. Tenenbaum , E. B. Ting , A. Vanderburg , R. Vanderspek , V. Van Eylen , S. Villanueva , J. N. Winn

TOI-7510: A solar-analog system of three transiting giant planets near a Laplace resonance chain

We report the confirmation and initial characterization of a compact and dynamically rich multiple giant planet system orbiting the solar analog TOI-7510. The system was recently identified as a candidate two-planet system in a…

Earth and Planetary Astrophysics · Physics 2025-11-26 J. M. Almenara , A. Leleu , T. Guillot , R. Mardling , F. Bouchy , T. Forveille , J. Winn , L. Abe , M. Beltrame , P. Bendjoya , X. Bonfils , A. Deline , J. -B. Delisle , R. F. Díaz , E. Fridén , M. Hobson , R. M. Hoogenboom , J. M. Jenkins , J. Korth , M. Lendl , D. Mékarnia , A. C. Petit , M. Rosenqvist , O. Suárez , A. H. M. J. Triaud , S. Udry

Mass determination of the three long-period Neptune- and sub-Neptune-sized planets transiting TOI-282

TOI-282 is a bright (V=9.38) F8 main-sequence star known to host three transiting long-period ($P_b$=22.9 d, $P_c$=56.0 d, and $P_d$=84.3 d) small ($R_p\approx$ 2-4 $R_{\oplus}$) planets. The orbital period ratio of the two outermost…

Earth and Planetary Astrophysics · Physics 2025-11-10 A. Barone , F. Rodler , D. Gandolfi , A. Bonfanti , P. Leonardi , L. Visca , M. Fridlund , M. Brogi , L. Fossati , P. E. Cubillos , W. D. Cochran , S. Csizmadia , J. Livingston , G. Nowak , E. Pallé , C. M. Persson , S. Redfield , H. Schmerling , A. M. S. Smith

A super-Earth and two sub-Neptunes transiting the nearby and quiet M dwarf TOI-270

We report the Transiting Exoplanet Survey Satellite discovery of three small planets transiting one of the nearest and brightest M dwarf hosts to date, TOI-270 (TIC 259377017; K-mag 8.3; 22.5 parsec). The M3V-type star is transited by the…

Earth and Planetary Astrophysics · Physics 2020-05-21 Maximilian N. Günther , Francisco J. Pozuelos , Jason A. Dittmann , Diana Dragomir , Stephen R. Kane , Tansu Daylan , Adina D. Feinstein , Chelsea Huang , Timothy D. Morton , Andrea Bonfanti , L. G. Bouma , Jennifer Burt , Karen A. Collins , Jack J. Lissauer , Elisabeth Matthews , Benjamin T. Montet , Andrew Vanderburg , Songhu Wang , Jennifer G. Winters , George R. Ricker , Roland K. Vanderspek , David W. Latham , Sara Seager , Joshua N. Winn , Jon M. Jenkins , James D. Armstrong , Khalid Barakoui , Natalie Batalha , Jacob L. Bean , Douglas A. Caldwell , David R. Ciardi , Kevin I. Collins , Ian Crossfield , Michael Fausnaugh , Gabor Furesz , Tianjun Gan , Michaël Gillon , Natalia Guerrero , Keith Horne , Steve B. Howell , Michael Ireland , Giovanni Isopi , Emmanuël Jehin , John F. Kielkopf , Sebastien Lepine , Franco Mallia , Rachel A. Matson , Gordon Myers , Enric Palle , Samuel N. Quinn , Howard M. Relles , Bárbara Rojas-Ayala , Joshua Schlieder , Ramotholo Sefako , Avi Shporer , Juan C. Suárez , Thiam-Guan Tan , Eric B. Ting , Joseph D. Twicken , Ian A. Waite

A Transiting Giant on a 7.7-Year Orbit Revealed by TTVs in the TOI-201 System

We report the detection and characterization of TOI-201 c, a long-period transiting companion to the warm Jupiter TOI-201 b. Its presence was first inferred from high-amplitude transit timing variations (TTVs) in TOI-201 b, pointing to a…

Earth and Planetary Astrophysics · Physics 2025-12-02 Gracjan Maciejewski , Weronika Łoboda

The star HIP 41378 potentially misaligned with its cohort of long-period planets

The obliquity between the stellar spin axis and the planetary orbit, detected via the Rossiter-McLaughlin (RM) effect, is a tracer of the formation history of planetary systems. While obliquity measurements have been extensively applied to…

Earth and Planetary Astrophysics · Physics 2025-09-17 S. Grouffal , A. Santerne , V. Bourrier , V. Kunovac , C. Dressing , B. Akinsanmi , C. Armstrong , S. Baliwal , O. Balsalobre-Ruza , S. C. C. Barros , D. Bayliss , I. J. M. Crossfield , O. Demangeon , X. Dumusque , S. Giacalone , C. K. Harada , H. Isaacson , H. Kellermann , J. Lillo-Box , J. Llama , A. Mortier , E. Palle , A. S. Rajpurohit , M. Rice , N. C. Santos , J. V. Seidel , R. Sharma , S. G. Sousa , L. Thomas , E. V. Turtelboom , S. Udry , P. J. Wheatley