activity
19972024
most citedThe CHEOPS mission

292 citations · 2.6k across the 71 of their papers we have counts for

collaborators

72 papers

astro-ph.IM2024★ 1 cited

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

A. Fortier, A. E. Simon, C. Broeg +128

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 exc…

astro-ph.EP2023★ 16 cited

A full transit of Lupi d and the search for an exomoon in its Hill sphere with CHEOPS

D. Ehrenreich, L. Delrez, B. Akinsanmi +90

The planetary system around the naked-eye star Lupi (HD 136352; TOI-2011) is composed of three exoplanets with masses of 4.7, 11.2, and 8.6 Earth masses. The TESS and CHEOPS…

astro-ph.EP2022★ 8 cited

Discovery of TOI-1260d and the characterisation of the multi-planet system

Kristine W. F. Lam, J. Cabrera, M. J. Hooton +83

We report the discovery of a third planet transiting the star TOI-1260, previously known to host two transiting sub-Neptune planets with orbital periods of 3.127 and 7.493 days, re…

astro-ph.EP2022★ 45 cited

Uncovering the true periods of the young sub-Neptunes orbiting TOI-2076

Hugh P. Osborn, Andrea Bonfanti, Davide Gandolfi +93

Context: TOI-2076 is a transiting three-planet system of sub-Neptunes orbiting a bright (G = 8.9 mag), young ( Myr) K-type star. Although a validated planetary system, th…

astro-ph.EP2022★ 42 cited

Investigating the architecture and internal structure of the TOI-561 system planets with CHEOPS, HARPS-N and TESS

G. Lacedelli, T. G. Wilson, L. Malavolta +115

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 HARPS-N…

astro-ph.EP2022★ 63 cited

The atmosphere and architecture of WASP-189 b probed by its CHEOPS phase curve

A. Deline, M. J. Hooton, M. Lendl +83

Gas giants orbiting close to hot and massive early-type stars can reach dayside temperatures that are comparable to those of the coldest stars. These "ultra-hot Jupiters" have atmo…

astro-ph.EP2021★ 78 cited

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

P. F. L. Maxted, D. Ehrenreich, T. G. Wilson +77

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…

astro-ph.EP2021★ 48 cited

Spi-OPS: Spitzer and CHEOPS confirm the near-polar orbit of MASCARA-1 b and reveal a hint of dayside reflection

M. J. Hooton, S. Hoyer, D. Kitzmann +82

The light curves of tidally locked hot Jupiters transiting fast-rotating, early-type stars are a rich source of information about both the planet and star, with full-phase coverage…

astro-ph.EP2021★ 1 cited

The changing face of AU Mic b: stellar spots, spin-orbit commensurability, and Transit Timing Variations as seen by CHEOPS and TESS

Gy. M. Szabó, D. Gandolfi, A. Brandeker +78

AU Mic is a young planetary system with a resolved debris disc showing signs of planet formation and two transiting warm Neptunes near mean-motion resonances. Here we analyse three…

astro-ph.EP2021★ 87 cited

Transit detection of the long-period volatile-rich super-Earth Lupi d with

Laetitia Delrez, David Ehrenreich, Yann Alibert +75

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…

astro-ph.EP2021★ 52 cited

CHEOPS Precision Phase Curve of the Super-Earth 55 Cnc e

B. M. Morris, L. Delrez, A. Brandeker +79

55 Cnc e is a transiting super-Earth (radius and mass ) orbiting a G8V host star on a 17-hour orbit. Spitzer observations of the planet's phase…

astro-ph.SR2021★ 29 cited

The EBLM project -- VIII. First results for M-dwarf mass, radius and effective temperature measurements using CHEOPS light curves

M. I. Swayne, P. F. L. Maxted, A. H. M. J. Triaud +93

The accuracy of theoretical mass, radius and effective temperature values for M-dwarf stars is an active topic of debate. Differences between observed and theoretical values have r…

astro-ph.EP2021★ 32 cited

A transit survey to search for planets around hot subdwarfs: I. methods and performance tests on light curves from Kepler, K2, TESS, and CHEOPS

V. Van Grootel, F. J. Pozuelos, A. Thuillier +79

Context. Hot subdwarfs experienced strong mass loss on the Red Giant Branch (RGB) and are now hot and small He-burning objects. Aims. In this project we aim to perform a transit su…

astro-ph.EP2021★ 82 cited

CHEOPS observations of the HD 108236 planetary system: A fifth planet, improved ephemerides, and planetary radii

A. Bonfanti, L. Delrez, M. J. Hooton +106

The detection of a super-Earth and three mini-Neptunes transiting the bright ( = 9.2 mag) star HD 108236 (also known as TOI-1233) was recently reported on the basis of TESS and…

astro-ph.EP2021★ 195 cited

Six transiting planets and a chain of Laplace resonances in TOI-178

A. Leleu, Y. Alibert, N. C. Hara +152

Determining the architecture of multi-planetary systems is one of the cornerstones of understanding planet formation and evolution. Resonant systems are especially important as the…

astro-ph.EP2020★ 109 cited

The hot dayside and asymmetric transit of WASP-189b seen by CHEOPS

M. Lendl, Sz. Csizmadia, A. Deline +102

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 CHEO…

astro-ph.IM2020★ 292 cited

The CHEOPS mission

Willy Benz, Christopher Broeg, Andrea Fortier +107

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…

astro-ph.IM2020★ 18 cited

Expected performances of the Characterising Exoplanet Satellite (CHEOPS) II. The CHEOPS simulator

David Futyan, Andrea Fortier, Mathias Beck +14

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 ho…

astro-ph.IM2019★ 19 cited

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

Adrien Deline, Didier Queloz, Bruno Chazelas +6

The Characterising Exoplanet Satellite (CHEOPS) is a space mission designed to perform photometric observations of bright stars to obtain precise radii measurements of transiting p…

physics.ins-det2010★ 4 cited

First experience in operating the population of the condition databases for the CMS experiment

M. De Gruttola, S. Di Guida, D. Futyan +6

Reliable population of the condition databases is critical for the correct operation of the online selection as well as of the offline reconstruction and analysis of data. We will…

physics.ins-det2010★ 5 cited

Persistent storage of non-event data in the CMS databases

M. De Gruttola, S. Di Guida, D. Futyan +8

In the CMS experiment, the non event data needed to set up the detector, or being produced by it, and needed to calibrate the physical responses of the detector itself are stored i…

hep-ex2005

The Discovery Potential of Supersymmetry at CMS within the mSUGRA Model Using Same-Sign Di-Muons

D. Futyan, A. Drozdetskiy, D. Acosta +1

A detailed study of the same-sign muon signature within the mSUGRA model is described. Selection criteria based on the missing transverse energy in the events and the jet and muon…

hep-ex2001★ 17 cited

Search for Leptoquarks in Electron-Photon Scattering at sqrt(s_ee) up to 209 GeV at LEP

The OPAL collaboration, G. Abbiendi

Searches for first generation scalar and vector leptoquarks, and for squarks in R-parity violating SUSY models with the direct decay of the squark into Standard Model particles, ha…

hep-ex2001★ 65 cited

Search for Doubly Charged Higgs Bosons with the OPAL detector at LEP

The OPAL collaboration, G. Abbiendi

A search for pair-produced doubly charged Higgs bosons has been performed using data samples corresponding to an integrated luminosity of about 614 pb-1 collected with the OPAL det…