Related papers: HATS-8b: A Low-Density Transiting Super-Neptune

HD152843 b & c: the masses and orbital periods of a sub-Neptune and a super-puff Neptune

We present the characterisation of the two transiting planets around HD 152843 (TOI 2319, TIC 349488688) using an intensive campaign of HARPS-N radial velocities, and two sectors of TESS data. These data reveal a unique and fascinating…

Earth and Planetary Astrophysics · Physics 2023-10-24 B. A. Nicholson , S. Aigrain , N. L. Eisner , M. Cretignier , O. Barragán , L. Kaye , J. Taylor , J. Owen , A. Mortier , L. Affer , W. Boschin , A. Collier Cameron , M. Damasso , L. Di Fabrizio , V. DiTomasso , X. Dumusque , A. Gehdina , A. Harutyunyan , D. W. Latham , M. Lopez-Morales , V. Lorenzi , A. F. Martínez Fiorenzano , E. Molinari , M. Pedani , M. Pinamonti , A. Sozzetti , K. Rice

K2-110 b - a massive mini-Neptune exoplanet

We report the discovery of the exoplanet K2-110 b (previously EPIC212521166b) from K2 photometry orbiting in a 13.8637d period around an old, metal-poor K3 dwarf star. With a V-band magnitude of 11.9, K2-110 is particularly amenable to RV…

Earth and Planetary Astrophysics · Physics 2017-08-02 H. P. Osborn , A. Santerne , S. C. C. Barros , N. C. Santos , X. Dumusque , L. Malavolta , D. J. Armstrong , S. Hojjatpanah , O. Demangeon , V. Adibekyan , J. M. Almenara , D. Barrado , D. Bayliss , I. Boisse , F. Bouchy , D. J. A. Brown , A. C. Cameron , D. Charbonneau , M. Deleuil , E. Delgado Mena , R. F. Díaz , G. Hébrard , J. Kirk , G. W. King , K. W. F. Lam , D. Latham , J. Lillo-Box , T. M. Louden , C. Lovis , M. Marmier , J. McCormac , E. Molinari , D. Pollacco , S. G. Sousa , S. Udry , S. R. Walker

The HARPS search for southern extra-solar planets. VI. A Neptune-mass planet around the nearby M dwarf Gl 581

We report the discovery of a Neptune-mass planet around Gl 581 (M3V, M = 0.31 Msol), based on precise Doppler measurements with the HARPS spectrograph at La Silla Observatory. The radial velocities reveal a circular orbit of period P =…

Astrophysics · Physics 2009-11-11 X. Bonfils , T. Forveille , X. Delfosse , S. Udry , M. Mayor , C. Perrier , F. Bouchy , F. Pepe , D. Queloz , J. -L. Bertaux

Mass determinations of the three mini-Neptunes transiting TOI-125

The Transiting Exoplanet Survey Satellite, TESS, is currently carrying out an all-sky search for small planets transiting bright stars. In the first year of the TESS survey, steady progress was made in achieving the mission's primary…

Earth and Planetary Astrophysics · Physics 2020-01-27 L. D. Nielsen , D. Gandolfi , D. J. Armstrong , J. S. Jenkins , M. Fridlund , N. C. Santos , F. Dai , V. Adibekyan , R. Luque , J. H. Steffen , M. Esposito , F. Meru , S. Sabotta , E. Bolmont , D. Kossakowski , J. F. Otegi , F. Murgas , M. Stalport , F. ~Rodler , M. R. Díaz , N. T. ~Kurtovic , G. Ricker , R. Vanderspek , D. W. Latham , S. Seager , J. N. Winn , J. M. Jenkins , R. Allart J. M. ~Almenara D. Barrado , S. C. C. Barros , D. Bayliss , Z. M. Berdiñas , I. Boisse , F. Bouchy , P. Boyd , D. J. A. Brown , E. M. Bryant , C. Burke , W. D. Cochran , B. F. Cooke , O. D. S. Demangeon , R. F. Díaz , J. Dittman , C. Dorn , X. Dumusque , R. A. García , L. González-Cuesta , S. Grziwa , I. Georgieva , N. Guerrero , A. P. Hatzes , R. Helled , C. E. Henze , S. Hojjatpanah , J. Korth , K. W. F. ~Lam , J. ~Lillo-Box , T. A. Lopez , J. Livingston , S. Mathur , O. Mousis , N. Narita , H. P. Osborn , E. Palle , P. A. Peña Rojas , C. M. ~Persson , S. N. Quinn , H. Rauer , S. Redfield , A. ~Santerne , L. A. dos Santos , J. V. Seidel , S. G. Sousa , E. B. Ting , M. Turbet , S. Udry , A. Vanderburg , V. Van Eylen , J. I. Vines , P. J. Wheatley , P. A. Wilson

Transiting exoplanets from the CoRoT space mission. XIII. CoRoT-13b: a dense hot Jupiter in transit around a star with solar metallicity and super-solar lithium content

We announce the discovery of the transiting planet CoRoT-13b. Ground based follow-up in CFHT and IAC80 confirmed CoRoT's observations. The mass of the planet was measured with the HARPS spectrograph and the properties of the host star were…

Earth and Planetary Astrophysics · Physics 2015-05-19 J. Cabrera , H. Bruntt , M. Ollivier , R. F. Diaz , Sz. Csizmadia , S. Aigrain , R. Alonso , J. -M. Almenara , M. Auvergne , A. Baglin , P. Barge , A. S. Bonomo , P. Borde , F. Bouchy , L. Carone , S. Carpano , M. Deleuil , H. J. Deeg , R. Dvorak , A. Erikson , S. Ferraz-Mello , M. Fridlund , D. Gandolfi , J. -C. Gazzano , M. Gillon , E. W. Guenther , T. Guillot , A. Hatzes , M. Havel , G. Hebrard , L. Jorda , A. Leger , A. Llebaria , H. Lammer , C. Lovis , T. Mazeh , C. Moutou , A. Ofir , P. von Paris , M. Patzold , D. Queloz , H. Rauer , D. Rouan , A. Santerne , J. Schneider , B. Tingley , R. Titz-Weider , G. Wuchterl

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

LRG-BEASTS: Evidence for clouds in the transmission spectrum of HATS-46 b

We have performed low-resolution ground-based spectroscopy of HATS-46 b in transmission, using the EFOSC2 instrument on the ESO New Technology Telescope (NTT). HATS-46 b is a highly-inflated exoplanet that is a prime target for transmission…

Earth and Planetary Astrophysics · Physics 2023-03-29 E. Ahrer , P. J. Wheatley , S. Gandhi , J. Kirk , G. W. King , T. Louden , L. Welbanks

A high obliquity orbit for the hot-Jupiter HATS-14b transiting a 5400K star

We report a spin-orbit misalignment for the hot-Jupiter HATS-14b, measuring a projected orbital obliquity of |lambda|= 76 -5/+4 deg. HATS-14b orbits a high metallicity, 5400 K G dwarf in a relatively short period orbit of 2.8 days. This…

Earth and Planetary Astrophysics · Physics 2015-10-30 G. Zhou , D. Bayliss , J. D. Hartman , B. J. Fulton , G. Á. Bakos , A. W. Howard , H. Isaacson , G. W. Marcy , B. P. Schmidt , R. Brahm , A. Jordán

TIC~257060897b: an inflated, low-density, hot-Jupiter transiting a rapidly evolving subgiant star

We report the discovery of a new transiting exoplanet orbiting the star TIC~257060897 and detected using {\it TESS} full frame images. We acquired HARPS-N time-series spectroscopic data, and ground-based photometric follow-up observations…

Earth and Planetary Astrophysics · Physics 2021-10-20 M. Montalto , L. Malavolta , J. Gregorio , G. Mantovan , S. Desidera , G. Piotto , V. Nascimbeni , V. Granata , E. E. Manthopoulou , R. Claudi

HAT-P-13b,c: a transiting hot Jupiter with a massive outer companion on an eccentric orbit

We report on the discovery of a planetary system with a close-in transiting hot Jupiter on a near circular orbit and a massive outer planet on a highly eccentric orbit. The inner planet, HAT-P-13b, transits the bright V=10.622 G4 dwarf star…

Earth and Planetary Astrophysics · Physics 2015-05-13 G. A. Bakos , A. W. Howard , R. W. Noyes , J. Hartman , G. Torres , Geza Kovacs , D. A. Fischer , D. W. Latham , J. A. Johnson , G. W. Marcy , D. D. Sasselov , R. P. Stefanik , B. Sipocz , Gabor Kovacs , G. A. Esquerdo , A. Pal , J. Lazar , I. Papp

A Mini-Neptune Orbiting the Metal-poor K Dwarf BD+29 2654

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

The Transit Light Curve Project. VII. The Not-So-Bloated Exoplanet HAT-P-1b

We present photometry of the G0 star HAT-P-1 during six transits of its close-in giant planet, and we refine the estimates of the system parameters. Relative to Jupiter's properties, HAT-P-1b is 1.20 +/- 0.05 times larger and its surface…

Astrophysics · Physics 2009-06-23 Joshua N. Winn , Matthew J. Holman , Gaspar A. Bakos , Andras Pal , John Asher Johnson , Peter K. G. Williams , Avi Shporer , Tsevi Mazeh , Jose Fernandez , David W. Latham , Michael Gillon

First observation of a planetary transit with the SPARC4 CCD: improved parameters for HATS-24b

The photometric monitoring of planetary transits is an important method for the characterization of exoplanets. Transiting exoplanets allow measurements of the planetary radius and mass, providing information on the physical structure of…

Earth and Planetary Astrophysics · Physics 2019-02-12 Janderson M. Oliveira , Eder Martioli , Marcelo Tucci-Maia

Transiting exoplanets from the CoRoT space mission IX. CoRoT-6b: a transiting `hot Jupiter' planet in an 8.9d orbit around a low-metallicity star

The CoRoT satellite exoplanetary team announces its sixth transiting planet in this paper. We describe and discuss the satellite observations as well as the complementary ground-based observations - photometric and spectroscopic - carried…

Earth and Planetary Astrophysics · Physics 2015-05-14 M. Fridlund , G. Hebrard , R. Alonso , M. Deleuil , D. Gandolfi , M. Gillon , H. Bruntt , A. Alapini , Sz. Csizmadia , T. Guillot , H. Lammer , S. Aigrain , J. M. Almenara , M. Auvergne , A. Baglin , P. Barge , P. Borde , F. Bouchy , J. Cabrera , L. Carone , S. Carpano , H. J. Deeg , R. De la Reza , R. Dvorak , A. Erikson , S. Ferraz-Mello , E. Guenther , P. Gondoin , R. den Hartog , A. Hatzes , L. Jorda , A. Leger , A. Llebaria , P. Magain , T. Mazeh , C. Moutou , M. Ollivier , M. Patzold , D. Queloz , H. Rauer , D. Rouan , B. Samuel , J. Schneider , A. Shporer , B. Stecklum , B. Tingley , J. Weingrill , G. Wuchterl

Warm terrestrial planet with half the mass of Venus transiting a nearby star

The advent of a new generation of radial velocity instruments has allowed us to break the one Earth-mass barrier. We report a new milestone in this context with the detection of the lowest-mass planet measured so far using radial…

Earth and Planetary Astrophysics · Physics 2021-09-08 Olivier D. S. Demangeon , M. R. Zapatero Osorio , Y. Alibert , S. C. C. Barros , V. Adibekyan , H. M. Tabernero , A. Antoniadis-Karnavas , J. D. Camacho , A. Suárez Mascareño , M. Oshagh , G. Micela , S. G. Sousa , C. Lovis , F. A. Pepe , R. Rebolo , S. Cristiani , N. C. Santos , R. Allart , C. Allende Prieto , D. Bossini , F. Bouchy , A. Cabral , M. Damasso , P. Di Marcantonio , V. D'Odorico , D. Ehrenreich , J. Faria , P. Figueira , R. Génova Santos , J. Haldemann , N. Hara , J. I. González Hernández , B. Lavie , J. Lillo-Box , G. Lo Curto , C. J. A. P. Martins , D. Mégevand , A. Mehner , P. Molaro , N. J. Nunes , E. Pallé , L. Pasquini , E. Poretti , A. Sozzetti , S. Udry

A Hubble PanCET Study of HAT-P-11b: A Cloudy Neptune with a Low Atmospheric Metallicity

We present the first comprehensive look at the $0.35-5$ $\mu$m transmission spectrum of the warm ($\sim 800$ K) Neptune HAT-P-11b derived from thirteen individual transits observed using the Hubble and Spitzer Space Telescopes. Along with…

Earth and Planetary Astrophysics · Physics 2019-12-02 Yayaati Chachan , Heather A. Knutson , Peter Gao , Tiffany Kataria , Ian Wong , Gregory W. Henry , Björn Benneke , Michael Zhang , Joanna Barstow , Jacob L. Bean , Thomas M. Evans , Nikole K. Lewis , Megan Mansfield , Mercedes López-Morales , Nikolay Nikolov , David K. Sing , Hannah Wakeford

WASP-38b: A Transiting Exoplanet in an Eccentric, 6.87d Period Orbit

We report the discovery of WASP-38b, a long period transiting planet in an eccentric 6.871815 day orbit. The transit epoch is 2455335.92050 +/- 0.00074 (HJD) and the transit duration is 4.663 hours. WASP-38b's discovery was enabled due to…

Earth and Planetary Astrophysics · Physics 2015-05-20 S. C. C. Barros , F. Faedi , A. Collier Cameron , T. A. Lister , J. McCormac , D. Pollacco , E. K. Simpson , B. Smalley , R. A. Street , I. Todd , A. H. M. J. Triaud , I. Boisse , F. Bouchy , G. Hebrard , C. Moutou , F. Pepe , D. Queloz , A. Santerne , D. Segransan , S. Udry , J. Bento , O. W. Butters , B. Enoch , C. A. Haswell , C. Hellier , F. P. Keenan , G. R. M. Miller , V. Moulds , A. J. Norton , N. Parley , I. Skillen , C. A. Watson , R. G. West , P. J. Wheatley

The HARPS search for southern extrasolar planets: XXXIII. New multi-planet systems in the HARPS volume limited sample: a super-Earth and a Neptune in the habitable zone

The vast diversity of planetary systems detected to date is defying our capability of understanding their formation and evolution. Well-defined volume-limited surveys are the best tool at our disposal to tackle the problem, via the…

Earth and Planetary Astrophysics · Physics 2013-01-16 G. Lo Curto , M. Mayor , W. Benz , F. Bouchy , G. Hebrard , C. Lovis , C. Moutou , D. Naef , F. Pepe , D. Queloz , N. C. Santos , D. Segransan , S. Udry

Kepler and Ground-based Transits of the Exo-Neptune HAT-P-11b

We analyze 26 archival Kepler transits of the exo-Neptune HAT-P-11b, supplemented by ground-based transits observed in the blue (B-band) and near-IR (J-band). Both the planet and host star are smaller than previously believed; our analysis…

Earth and Planetary Astrophysics · Physics 2015-05-28 Drake Deming , Pedro V. Sada , Brian Jackson , Steven W. Peterson , Eric Agol , Heather A. Knutson , Donald E. Jennings , Flynn Haase , Kevin Bays

WASP-21b: a hot-Saturn exoplanet transiting a thick disc star

We report the discovery of WASP-21b, a new transiting exoplanet discovered by the Wide Angle Search for Planets (WASP) Consortium and established and characterized with the FIES, SOPHIE, CORALIE and HARPS fiber-fed echelle spectrographs. A…

Earth and Planetary Astrophysics · Physics 2015-05-19 F. Bouchy , L. Hebb , I. Skillen , A. Collier Cameron , B. Smalley , S. Udry , D. R. Anderson , I. Boisse , B. Enoch , C. A. Haswell , G. Hébrard , C. Hellier , Y. Joshi , S. R. Kane , P. F. L. Maxted , M. Mayor , C. Moutou , F. Pepe , D. Pollacco , D. Queloz , D. Ségransan , E. K. Simpson , A. M. S. Smith , H. C. Stempels , R. Street , A. H. M. J. Triaud , R. G. West , P. J. Wheatley