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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

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…

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 CHaracterizing ExOPlanet Satellite (CHEOPS), to be launched in December 2019, will detect and characterize small size exoplanets via ultra high precision photometry during transits. CHEOPS is designed as a follow-up telescope and…

天体物理仪器与方法 · 物理学 2020-03-04 S. Hoyer , P. Guterman , O. Demangeon , S. G. Sousa , M. Deleuil , JC. Meunier , W. Benz , .

Ground based radial velocity (RV) searches continue to discover exoplanets below Neptune mass down to Earth mass. Furthermore, ground based transit searches now reach milli-mag photometric precision and can discover Neptune size planets…

The CHaracterising ExOPlanet Satellite (CHEOPS) is a partnership between the European Space Agency and Switzerland with important contributions by 10 additional ESA member States. It is the first S-class mission in the ESA Science…

地球与行星天体物理 · 物理学 2024-11-28 Nicolas Billot , Stephan Hellmich , Willy Benz , Andrea Fortier , David Ehrenreich , Christopher Broeg , Alexis Heitzmann , Anja Bekkelien , Alexis Brandeker , Yann Alibert , Roi Alonso , Tamas Bárczy , David Barrado Navascues , Susana C. C. Barros , Wolfgang Baumjohann , Federico Biondi , Luca Borsato , Andrew Collier Cameron , Carlos Corral van Damme , Alexandre C. M. Correia , Szilard Csizmadia , Patricio E. Cubillos , Melvyn B. Davies , Magali Deleuil , Adrien Deline , Olivier D. S. Demangeon , Brice-Olivier Demory , Aliz Derekas , Billy Edwards , Jo Ann Egger , Anders Erikson , Luca Fossati , Malcolm Fridlund , Davide Gandolfi , Kosmas Gazeas , Michaël Gillon , Manuel Güdel , Maximilian N. Günther , Ch. Helling , Kate G. Isaak , Laszlo L. Kiss , Judith Korth , Kristine W. F. Lam , Jacques Laskar , Alain Lecavelier des Etangs , Monika Lendl , Demetrio Magrin , Pierre F. L. Maxted , Marko Mecina , Bruno Merín , Christoph Mordasini , Valerio Nascimbeni , Göran Olofsson , Roland Ottensamer , Isabella Pagano , Enric Pallé , Gisbert Peter , Daniele Piazza , Giampaolo Piotto , Don Pollacco , Didier Queloz , Roberto Ragazzoni , Nicola Rando , Heike Rauer , Ignasi Ribas , Martin Rieder , Nuno C. Santos , Gaetano Scandariato , Damien Ségransan , Attila E. Simon , Alexis M. S. Smith , Sérgio G. Sousa , Manu Stalport , Sophia Sulis , Gyula M. Szabó , Stéphane Udry , Bernd Ulmer , Solène Ulmer-Moll , Valérie Van Grootel , Julia Venturini , Eva Villaver , Nicholas A. Walton , Thomas G. Wilson

CHEOPS is a space telescope specifically designed to monitor transiting exoplanets orbiting bright stars. In September 2023, CHEOPS completed its nominal mission and remains in excellent operational conditions. The mission has been extended…

天体物理仪器与方法 · 物理学 2024-06-05 A. Fortier , A. E. Simon , C. Broeg , G. Olofsson , A. Deline , T. G. Wilson , P. F. L. Maxted , A. Brandeker , A. Collier Cameron , M. Beck , A. Bekkelien , N. Billot , A. Bonfanti , G. Bruno , J. Cabrera , L. Delrez , B. -O. Demory , D. Futyan , H. -G. Florén , M. N. Günther , A. Heitzmann , S. Hoyer , K. G. Isaak , S. G. Sousa , M. Stalport , A. Turin , P. Verhoeve , B. Akinsanmi , Y. Alibert , R. Alonso , D. Bánhidi , T. Bárczy , D. Barrado , S. C. Barros , W. Baumjohann , T. Baycroft , T. Beck , W. Benz , B. I. Bíró , A. Bódi , X. Bonfils , L. Borsato , S. Charnoz , B. Cseh , Sz. Csizmadia , I. Csányi , P. E. Cubillos , M. B. Davies , Y. T. Davis , M. Deleuil , O. D. S. Demangeon , A. Derekas , G. Dransfield , E. Ducrot , D. Ehrenreich , A. Erikson , C. Fariña , L. Fossati , M. Fridlund , D. Gandolfi , Z. Garai , L. Garcia , M. Gillon , Y. Gómez Maqueo Chew , M. A. Gómez-Muñoz , V. Granata , M. Güdel , P. Guterman , T. Hegedüs , Ch. Helling , E. Jehin , Cs. Kalup , D. Kilkenny , L. Kiss , L. Kriskovics , K. W. F. Lam , J. Laskar , A. Lecavelier des Etangs , M. Lendl , A. Lopez Pina , A. Luntzer , D. Magrin , N. J. Miller , D. Modrego Contreras , C. Mordasini , M. Munari , C. A. Murray , V. Nascimbeni , H. Ottacher , R. Ottensamer , I. Pagano , A. Pál , E. Pallé , A. Pasetti , P. Pedersen , G. Peter , R. Petrucci , G. Piotto , A. Pizarro-Rubio , D. Pollacco , T. Pribulla , D. Queloz , R. Ragazzoni , N. Rando , H. Rauer , I. Ribas , L. Sabin , N. C. Santos , G. Scandariato , N. Schanche , U. Schroffenegger , O. J. Scutt , D. Sebastian , D. Ségransan , B. Seli , A. M. S. Smith , R. Southworth , M. R. Standing , M. Gy. Szabó , R. Szakáts , N. Thomas , M. Timmermans , A. H. M. J. Triaud , S. Udry , V. Van Grootel , J. Venturini , E. Villaver , J. Vinkó , N. A. Walton , R. Wells , D. Wolter

Many attempts have already been made for detecting exomoons around transiting exoplanets but the first confirmed discovery is still pending. The experience that have been gathered so far allow us to better optimize future space telescopes…

地球与行星天体物理 · 物理学 2016-03-09 A. E. Simon , Gy. M. Szabó , L. L. Kiss , A. Fortier , W. Benz

We present 17 transit light curves of seven known warm-Jupiters observed with the CHaracterising ExOPlanet Satellite (CHEOPS). The light curves have been collected as part of the CHEOPS Guaranteed Time Observation (GTO) program that…

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

Space-based photometric surveys have discovered large numbers of planets transiting other stars, but these observe in a single band-pass and yield only the planet radius, orbital period, and transit duration. Information on the masses,…

地球与行星天体物理 · 物理学 2017-05-03 E. Gaidos , D. Kitzmann , K. Heng

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

K2-139 b is a warm Jupiter with an orbital period of 28.4 d, but only three transits of this system have previously been observed, in the long-cadence mode of K2, limiting the precision with which the orbital period can be determined, and…

地球与行星天体物理 · 物理学 2022-06-29 Alexis M. S. Smith , Szilard Csizmadia

We aim to constrain the internal structure and composition of HD 15337 b and c, two short-period planets situated on opposite sides of the radius valley, using new transit photometry and radial velocity data. We acquire 6 new transit visits…

The CHEOPS space mission dedicated to exoplanet follow-up was launched in December 2019, equipped with the capacity to perform photometric measurements at the 20 ppm level. As CHEOPS carries out its observations in a broad optical passband,…

Exoplanets transiting bright nearby stars are key objects for advancing our knowledge of planetary formation and evolution. The wealth of photons from the host star gives detailed access to the atmospheric, interior, and orbital properties…

Rapidly rotating early-type main-sequence stars with transiting planets are interesting in many aspects. Unfortunately, several astrophysical effects in such systems are not well understood yet. Therefore, we performed a photometric…

地球与行星天体物理 · 物理学 2022-05-04 Zoltán Garai , Theodor Pribulla , József Kovács , Gyula M. Szabó , Antonio Claret , Richard Komžík , Emil Kundra

Asteroseismology has been impressively boosted during the last decade mainly thanks to space missions such as Kepler/K2 and CoRoT. This has a large impact, in particular, in exoplanetary sciences since the accurate characterization of the…

太阳与恒星天体物理 · 物理学 2018-12-19 A. Moya , S. Barceló Forteza , A. Bonfanti , S. J. A. J. Salmon , V. Van Grootel , D. Barrado

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…

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