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Accurate mass and radius measurements of small transiting exoplanets are essential for probing their compositions, formation histories, and potential habitability. We present a uniform analysis of six planetary systems (each hosting at…

Much remains to be understood about the nature of exoplanets smaller than Neptune, most of which have been discovered in compact multi-planet systems. With its inner ultra-short period planet b aligned with the star and two larger outer…

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…

The transiting long-period exoplanets are the most interesting follow-up targets for the next-generation instruments, using the most sophisticated observational techniques. However, the scarcity in their transit events often leads to larger…

地球与行星天体物理 · 物理学 2025-04-03 Suman Saha

Despite the ever-increasing number of known exoplanets, no uncontested detections have been made of their satellites, known as exomoons. The quest to find exomoons is at the forefront of exoplanetary sciences. Certain space-born instruments…

The Characterising Exoplanet Satellite (CHEOPS) is a space mission designed to perform photometric observations of bright stars to obtain precise radii measurements of transiting planets. The high-precision photometry of CHEOPS relies on…

The HD108236 system was first announced with the detection of four small planets based on TESS data. Shortly after, the transit of an additional planet with a period of 29.54d was serendipitously detected by CHEOPS. In this way, HD108236…

CHEOPS(CHaracterising ExOPlanet Satellite) is an ESA S-class mission that observes bright stars at high cadence from low-Earth orbit. The main aim of the mission is to characterize exoplanets that transit nearby stars using ultrahigh…

The CHaracterising ExOPlanet Satellite (CHEOPS) is a mission dedicated to the search for exoplanetary transits through high precision photometry of bright stars already known to host planets. The telescope will provide the unique capability…

The Characterizing Exoplanets Satellite (CHEOPS) mission is planned for launch next year with a major objective being to search for transits of known RV planets, particularly those orbiting bright stars. Since the radial velocity method is…

地球与行星天体物理 · 物理学 2018-01-24 Joo Sung Yi , Jingjing Chen , David Kipping

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…

地球与行星天体物理 · 物理学 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 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…

TESS is revolutionising the search for planets orbiting bright and nearby stars. In sectors 3 and 4, TESS observed TOI-402 (TIC-120896927), a bright V=9.1 K1 dwarf also known as HD 15337, and found two transiting signals with period of 4.76…

The harvest of exoplanet discoveries has opened the area of exoplanet characterisation. But this cannot be achieved without a careful analysis of the host star parameters. The system of HD219134 hosts two transiting exoplanets and at least…

The detection of a super-Earth and three mini-Neptunes transiting the bright ($V$ = 9.2 mag) star HD 108236 (also known as TOI-1233) was recently reported on the basis of TESS and ground-based light curves. We perform a first…

地球与行星天体物理 · 物理学 2021-02-24 A. Bonfanti , L. Delrez , M. J. Hooton , T. G. Wilson , L. Fossati , Y. Alibert , S. Hoyer , A. J. Mustill , H. P. Osborn , V. Adibekyan , D. Gandolfi , S. Salmon , S. G. Sousa , A. Tuson , V. Van Grootel , J. Cabrera , V. Nascimbeni , P. F. L. Maxted , S. C. C. Barros , N. Billot , X. Bonfils , L. Borsato , C. Broeg , M. B. Davies , M. Deleuil , O. D. S. Demangeon , M. Fridlund , G. Lacedelli , M. Lendl , C. Persson , N. C. Santos , G. Scandariato , Gy. M. Szabó , A. Collier Cameron , S. Udry , W. Benz , M. Beck , D. Ehrenreich , A. Fortier , K. G. Isaak , D. Queloz , R. Alonso , J. Asquier , T. Bandy , T. Bárczy , D. Barrado , O. Barragán , W. Baumjohann , T. Beck , A. Bekkelien , M. Bergomi , M-D. Busch , A. Brandeker , V. Cessa , S. Charnoz , B. Chazelas , C. Corral Van Damme , B. -O. Demory , A. Erikson , J. Farinato , D. Futyan , A. Garcia Muñoz , M. Gillon , M. Guedel , P. Guterman , J. Hasiba , K. Heng , E. Hernandez , L. Kiss , T. Kuntzer , J. Laskar , A. Lecavelier des Etangs , C. Lovis , D. Magrin , L. Malvasio , L. Marafatto , H. Michaelis , M. Munari , G. Olofsson , H. Ottacher , R. Ottensamer , I. Pagano , E. Pallé , G. Peter , D. Piazza , G. Piotto , D. Pollacco , R. Ragazzoni , N. Rando , F. Ratti , H. Rauer , I. Ribas , M. Rieder , R. Rohlfs , F. Safa , M. Salatti , D. Ségransan , A. E. Simon , A. M. S. Smith , M. Sordet , M. Steller , N. Thomas , M. Tschentscher , V. Van Eylen , V. Viotto , I. Walter , N. A. Walton , F. Wildi , D. Wolter

The CHaracterising ExOPlanet Satellite (CHEOPS) was selected in 2012, as the first small mission in the ESA Science Programme and successfully launched in December 2019. CHEOPS is a partnership between ESA and Switzerland with important…

天体物理仪器与方法 · 物理学 2020-11-18 Willy Benz , Christopher Broeg , Andrea Fortier , Nicola Rando , Thomas Beck , Mathias Beck , Didier Queloz , David Ehrenreich , Pierre Maxted , Kate Isaak , Nicolas Billot , Yann Alibert , Roi Alonso , Carlos António , Joel Asquier , Timothy Bandy , Tamas Bárczy , David Barrado , Susana Barros , Wolfgang Baumjohann , Anja Bekkelien , Maria Bergomi , Federico Biondi , Xavier Bonfils , Luca Borsato , Alexis Brandeker , Martin-Diego Busch , Juan Cabrera , Virginie Cessa , Sébastien Charnoz , Bruno Chazelas , Andrew Collier Cameron , Carlos Corral Van Damme , David Cortes , Melvyn Davies , Magali Deleuil , Adrien Deline , Laetitia Delrez , Olivier Demangeon , Brice-Olivier Demory , Anders Erikson , Jacopo Farinato , Luca Fossati , Malcolm Fridlund , David Futyan , Davide Gandolfi , Antonio Garcia Munoz , Michaël Gillon , Pascal Guterman , Antonio Gutierrez , Johann Hasiba , Kevin Heng , Eduardo Hernandez , Sergio Hoyer , Laszlo Kiss , Zsolt Kovacs , Thibault Kuntzer , Jacques Laskar , Alain Lecavelier des Etangs , Monika Lendl , Amador López , Ivan Lora , Christophe Lovis , Theresa Lüftinger , Demetrio Magrin , Luca Malvasio , Luca Marafatto , Harald Michaelis , Diana de Miguel , David Modrego , Matteo Munari , Valerio Nascimbeni , Göran Olofsson , Harald Ottacher , Roland Ottensamer , Isabella Pagano , Roberto Palacios , Enric Pallé , Gisbert Peter , Daniele Piazza , Giampaolo Piotto , Alberto Pizarro , Don Pollaco , Roberto Ragazzoni , Francesco Ratti , Heike Rauer , Ignasi Ribas , Martin Rieder , Reiner Rohlfs , Frederic Safa , Mario Salatti , Nuno Santos , Gaetano Scandariato , Damien Ségransan , Attila Simon , Alexis Smith , Michael Sordet , Sergio Sousa , Manfred Steller , Gyula Szabó , Janos Szoke , Nicolas Thomas , Matthias Tschentscher , Stéphane Udry , Valérie Van Grootel , Valentina Viotto , Ingo Walter , Nicholas Walton , François Wildi , David Wolter
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