Related papers: Expected performances of the Characterising Exopla…

Expected performances of the Characterising Exoplanet Satellite (CHEOPS). I. Photometric performances from ground-based calibration

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…

Instrumentation and Methods for Astrophysics · Physics 2020-03-04 Adrien Deline , Didier Queloz , Bruno Chazelas , Michaël Sordet , François Wildi , Andrea Fortier , Christopher Broeg , David Futyan , Willy Benz

Expected performances of the Characterising Exoplanet Satellite (CHEOPS) III. Data reduction pipeline: architecture and simulated performances

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…

Instrumentation and Methods for Astrophysics · Physics 2020-03-04 S. Hoyer , P. Guterman , O. Demangeon , S. G. Sousa , M. Deleuil , JC. Meunier , W. Benz , .

The CHEOPS mission

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…

Instrumentation and Methods for Astrophysics · Physics 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

Analysis of Early Science observations with the CHaracterising ExOPlanets Satellite (CHEOPS) using pycheops

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…

Earth and Planetary Astrophysics · Physics 2022-05-20 P. F. L. Maxted , D. Ehrenreich , T. G. Wilson , Y. Alibert , A. Collier Cameron , S. Hoyer , S. G. Sousa , G. Olofsson , A. Bekkelien , A. Deline , L. Delrez , A. Bonfanti , L. Borsato , R. Alonso , G. Anglada Escudé , D. Barrado , S. C. C. Barros , W. Baumjohann , M. Beck , T. Beck , W. Benz , N. Billot , F. Biondi , X. Bonfils , A. Brandeker , C. Broeg , T. Bárczy , J. Cabrera , S. Charnoz , C. Corral Van Damme , Sz. Csizmadia , M. B. Davies , M. Deleuil , O. D. S. Demangeon , B. -O. Demory , A. Erikson , H. G. Florén , A. Fortier , L. Fossati , M. Fridlund , D. Futyan , D. Gandolfi , M. Gillon , M. Guedel , P. Guterman , K. Heng , K. G. Isaak , L. Kiss , J. Laskar , A. Lecavelier des Etangs , M. Lendl , C. Lovis , D. Magrin , V. Nascimbeni , R. Ottensamer , I. Pagano , E. Pallé , G. Peter , G. Piotto , D. Pollacco , F. J. Pozuelos , D. Queloz , R. Ragazzoni , N. Rando , H. Rauer , C. Reimers , I. Ribas , S. Salmon , N. C. Santos , G. Scandariato , A. E. Simon , A. M. S. Smith , M. Steller , M. I. Swayne , Gy. M. Szabó , D. Ségransan , N. Thomas , S. Udry , V. Van Grootel , N. A. Walton

CHEOPS in-flight performance: A comprehensive look at the first 3.5 years of operations

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…

Instrumentation and Methods for Astrophysics · Physics 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

CHEOPS: A Transit Photometry Mission for ESA's Small Mission Programme

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…

Earth and Planetary Astrophysics · Physics 2013-05-13 C. Broeg , A. Fortier , D. Ehrenreich , Y. Alibert , W. Baumjohann , W. Benz , M. Deleuil , M. Gillon , A. Ivanov , R. Liseau , M. Meyer , G. Oloffson , I. Pagano , G. Piotto , D. Pollacco , D. Queloz , R. Ragazzoni , E. Renotte , M. Steller , N. Thomas , the CHEOPS team

CHEOPS performance for exomoons: The detectability of exomoons by using optimal decision algorithm

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…

Earth and Planetary Astrophysics · Physics 2016-03-09 A. E. Simon , Gy. M. Szabó , L. L. Kiss , A. Fortier , W. Benz

Forecasting the detectability of known radial velocity planets with the upcoming CHEOPS mission

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…

Earth and Planetary Astrophysics · Physics 2018-01-24 Joo Sung Yi , Jingjing Chen , David Kipping

In-situ observations of resident space objects with the CHEOPS space telescope

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…

Earth and Planetary Astrophysics · Physics 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

EChOSim: The Exoplanet Characterisation Observatory software simulator

EChOSim is the end-to-end time-domain simulator of the Exoplanet Characterisation Observatory (EChO) space mission. EChOSim has been developed to assess the capability EChO has to detect and characterize the atmospheres of transiting…

Instrumentation and Methods for Astrophysics · Physics 2015-08-06 E. Pascale , I. P. Waldmann , C. J. MacTavish , A. Papageorgiou , A. Amaral-Rogers , R. Varley , V. Coudé de Foresto , M. J. Griffin , M. Ollivier , S. Sarkar , L. Spencer , B. M. Swinyard , M. Tessenyi , G. Tinetti

The CHEOPS view of HD 95338b: refined transit parameters, and a search for exomoons

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…

Earth and Planetary Astrophysics · Physics 2025-09-24 Sz. Kálmán , A. E. Simon , A. Deline , Sz. Csizmadia , Gy. M. Szabó , D. Ehrenreich , T. G. Wilson , M. N. Günther , A. Heitzmann , S. G. Sousa , M. Farnir , A. Bonfanti , A. M. S. Smith , A. Pál , G. Scandariato , V. Adibekyan , A. Brandeker , S. Charnoz , B. Akinsanmi , S. C. C. Barros , X. Song , Y. Alibert , R. Alonso , T. Bárczy , D. Barrado Navascues , W. Baumjohann , W. Benz , N. Billot , F. Biondi , L. Borsato , C. Broeg , A. Collier Cameron , C. Corral van Damme , A. C. M. Correia , P. E. Cubillos , M. B. Davies , M. Deleuil , O. D. S. Demangeon , B. -O. Demory , A. Derekas , B. Edwards , J. A. Egger , A. Erikson , A. Fortier , L. Fossati , M. Fridlund , D. Gandolfi , K. Gazeas , M. Gillon , M. Güdel , P. Guterman , J. Hasiba , Ch. Helling , K. G. Isaak , L. L. Kiss , J. Korth , K. W. F. Lam , J. Laskar , A. Lecavelier des Etangs , A. Leleu , M. Lendl , D. Magrin , P. F. L. Maxted , B. Merín , C. Mordasini , 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 , N. C. Santos , D. Ségransan , M. Stalport , S. Sulis , S. Udry , B. Ulmer , S. Ulmer-Moll , V. Van Grootel , J. Venturini , E. Villaver , N. A. Walton , S. Wolf , T. Zingales

Exoplanet Characterization by Multi-Observatory Transit Photometry with TESS and CHEOPS

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,…

Earth and Planetary Astrophysics · Physics 2017-05-03 E. Gaidos , D. Kitzmann , K. Heng

The asteroseismic potential of CHEOPS

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…

Solar and Stellar Astrophysics · Physics 2018-12-19 A. Moya , S. Barceló Forteza , A. Bonfanti , S. J. A. J. Salmon , V. Van Grootel , D. Barrado

Simulation of Stray Light Contamination on CHEOPS Detector

The aim of this work is to quantify the amount of Earth stray light that reaches the CHEOPS (CHaracterising ExOPlanets Satellite) detector. It will carry out follow-up measurements on transiting planets. This requires exquisite data that…

Instrumentation and Methods for Astrophysics · Physics 2013-10-30 Thibault Kuntzer

Exploiting timing capabilities of the CHEOPS mission with warm-Jupiter planets

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…

Earth and Planetary Astrophysics · Physics 2021-06-23 Borsato L , Piotto G , Gandolfi D , Nascimbeni V , Lacedelli G , Marzari F , Billot N , Maxted P , Sousa S G , Cameron A C , Bonfanti A , Wilson T , Serrano L , Garai Z , Alibert Y , Alonso R , Asquier J , Bárczy T , Bandy T , Barrado D , Barros S C , Baumjohann W , Beck M , Beck T , Benz W , Bonfils X , Brandeker A , Broeg C , Cabrera J , Charnoz S , Csizmadia S , Davies M , Deleuil M , Delrez L , Demangeon O D , Demory B , Lecavelier des Etangs A , Ehrenreich D , Erikson A , Escudé G , Fortier A , Fossati L , Fridlund M , Gillon M , Guedel M , Hasiba J , Heng K , Hoyer S , Isaak K G , Kiss L L , Kopp E , Laskar J , Lendl M , Lovis C , Magrin D , Munari M , Ottensamer R , Peter G , Ragazzoni R , Rando N , Simon A E , Steller M , Olofsson G , Pagano I , Palle E , Pollacco D , Queloz D , Rauer H , Ribas I , Segransan D , Santos N M , Scandariato G , Smith A , Szabo G M , Thomas N , Udry S , Van Grootel , Walton N A

Precise Transit Photometry Using TESS II: Revisiting 28 Additional Transiting Systems With Updated Physical Properties

Precise physical properties of the known transiting exoplanets are essential for their precise atmospheric characterization using modern and upcoming instruments. Leveraging the large volume of high SNR photometric follow-up data from TESS,…

Earth and Planetary Astrophysics · Physics 2025-11-25 Suman Saha

CHES: a space-borne astrometric mission for the detection of habitable planets of the nearby solar-type stars

The Closeby Habitable Exoplanet Survey (CHES) mission is proposed to discover habitable-zone Earth-like planets of the nearby solar-type stars ($\sim 10~\mathrm{pc}$ away from our solar system) via micro-arcsecond relative astrometry. The…

Earth and Planetary Astrophysics · Physics 2023-02-28 Jianghui Ji , Haitao Li , Junbo Zhang , Liang Fang , Dong Li , Su Wang , Yang Cao , Lei Deng , Baoquan Li , Hao Xian , Xiaodong Gao , Ang Zhang , Fei Li , Jiacheng Liu , Zhaoxiang Qi , Sheng Jin , Yaning Liu , Guo Chen , Mingtao Li , Yao Dong , Zi Zhu , CHES consortium

Generation of an optimal target list for the Exoplanet Characterisation Observatory (EChO)

The Exoplanet Characterisation Observatory (EChO) has been studied as a space mission concept by the European Space Agency in the context of the M3 selection process. Through direct measurement of the atmospheric chemical composition of…

Earth and Planetary Astrophysics · Physics 2015-06-18 Ryan Varley , Ingo Waldmann , Enzo Pascale , Marcell Tessenyi , Morgan Hollis , Juan Carlos Morales , Giovanna Tinetti , Bruce Swinyard , Pieter Deroo , Marc Ollivier , Giusi Micela

Constraining Small Planet Compositions for Future Missions

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…

Earth and Planetary Astrophysics · Physics 2026-03-17 Larissa Palethorpe , Annelies Mortier , Jo Ann Egger , Ken Rice , Thomas G. Wilson , Andrew Vanderburg , Aldo S. Bonomo , Walter Boschin , Andrew Collier Cameron , Yoshi Nike Emilia Eschen , Avet Harutyunyan , Luca Malavolta , Aldo F. Martínez Fiorenzano , Alessandro Sozzetti , Manu Stalport , Vincent Van Eylen , Christopher Allan Watson

Precise characterisation of HD 15337 with CHEOPS: a laboratory for planet formation and evolution

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…

Earth and Planetary Astrophysics · Physics 2024-06-26 N. M. Rosário , O. D. S. Demangeon , S. C. C. Barros , D. Gandolfi , J. A. Egger , L. M. Serrano , H. P. Osborn , M. Beck , W. Benz , H. -G. Florén , P. Guterman , T. G. Wilson , Y. Alibert , L. Fossati , M. J. Hooton , L. Delrez , N. C. Santos , S. G. Sousa , A. Bonfanti , S. Salmon , V. Adibekyan , A. Nigioni , J. Venturini , R. Alonso , G. Anglada , J. Asquier , T. Bárczy , D. Barrado Navascues , O. Barragán , W. Baumjohann , T. Beck , N. Billot , F. Biondi , X. Bonfils , L. Borsato , A. Brandeker , C. Broeg , V. Cessa , S. Charnoz , A. Collier Cameron , Sz. Csizmadia , P. E. Cubillos , M. B. Davies , M. Deleuil , A. Deline , B. -O. Demory , D. Ehrenreich , A. Erikson , M. Esposito , A. Fortier , M. Fridlund , M. Gillon , M. Güdel , M. N. Günther , Ch. Helling , S. Hoyer , K. G. Isaak , L. L. Kiss , K. W. F. Lam , J. Laskar , A. Lecavelier des Etangs , M. Lendl , A. Luntzer , D. Magrin , P. F. L. Maxted , C. Mordasini , V. Nascimbeni , G. Olofsson , H. L. M. Osborne , R. Ottensamer , I. Pagano , E. Pallé , G. Peter , 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. Stalport , Gy. M. Szabó , N. Thomas , S. Udry , V. Van Eylen , V. Van Grootel , E. Villaver , I. Walter , N. A. Walton