CB
C. Broeg
astro-ph.EPastro-ph.SRastro-ph.IMastro-phastro-ph.COastro-ph.GAGasesphysics.data-anphysics.space-phPlanets
On Valency
published · living versionsW_qzhza6w2·v1 · currentpublished
CHEOPS: A Transit Photometry Mission for ESA's Small Mission Programme
with A. Fortier, D. Ehrenreich, Y. Alibert, W. Baumjohann +16
1 version
Preprints & journals
114 papers in the corpus · 2004–2026WALTzER: Wide-band Atmospheric Laboratory for Transiting Exoplanet Research2610.21705v1 · A. G. Sreejith, L. Fossati, M. Lendl et al.2026 · 0 citationsarXiv
Searching for hot water world candidates with CHEOPS: II. A low-density super-Earth orbiting the K dwarf TOI-22112610.08922v1 · J. A. Egger, P. Cort'es-Zuleta, D. Kubyshkina et al.2026 · 0 citationsarXiv
CHEOPS photometry from 2024 reveals a reversal in the transit-timing variations of AU Mic c2608.01120v1 · Z. Garai, Gy. M. Szab'o, D. Gandolfi et al.2026 · 0 citationsarXiv
An Ultra-Short Period Super-Earth and a Sub-Neptune Orbiting the K dwarf TOI-43112605.12324v1 · Yoshi Nike Emilia Eschen, Thomas G. Wilson, Andrew Collier Cameron et al.2026 · 0 citationsarXiv
The multi-planet system TOI-5624: Four transiting sub-Neptunes with an outer companion revealed by transit-timing variations2604.15035v2 · A. Bonfanti, D. Gandolfi, P. Leonardi et al.2026 · 1 citationA&A 709, A265 (2026)
Gas-depleted planet formation occurred in the four-planet system around the red dwarf LHS 1903.41678587 · Wilson, Thomas G, Simpson, Anna M, Collier Cameron, Andrew et al.2026 · 1 citationScience (New York, N.Y.). 2026;392(6795):eadl2348
NIRPS tightens the mass estimate of GJ 3090 b and detects a planet near the stellar rotation period2601.09330v2 · Pierrot Lamontagne, Drew Weisserman, Charles Cadieux et al.2026 · 1 citationA&A, 706 (2026) A278
NIRPS and TESS reveal a peculiar system around the M dwarf TOI-756: A transiting sub-Neptune and a cold eccentric giant2510.14927v1 · L'ena Parc, Francois Bouchy, Neil J. Cook et al.2025 · 5 citationsA&A, 702, A138 (2025)
An Ultra-Short Period Super-Earth and Sub-Neptune Spanning the Radius Valley Orbiting the Kinematic Thick Disk Star TOI-23452510.12783v1 · Yoshi Nike Emilia Eschen, Thomas G. Wilson, Andrea Bonfanti et al.2025 · 0 citationsarXiv
Transit Timing Variations in HIP 41378: CHEOPS and TESS confirm a non-transiting sixth planet in the system2509.14156v3 · P. Leonardi, L. Borsato, L. Pagliaro et al.2025 · 3 citationsA&A 702, A211 (2025)
A four-planet system orbiting the old thick disk star TOI-12032509.10136v1 · D. Gandolfi, A. Alnajjarine, L. M. Serrano et al.2025 · 1 citationarXiv
Improved characterization of the TOI-2141 system: a dense sub-Neptune with non-transiting inner and outer companions2509.00762v1 · R. Luque, K. W. F. Lam, J. Cabrera et al.2025 · 0 citationsA&A 704, A174 (2025)
Quantifying thermal water dissociation in the dayside photosphere of WASP-121 b using NIRPS2508.06626v1 · Luc Bazinet, Romain Allart, Bjorn Benneke et al.2025 · 4 citationsA&A 701, A276 (2025)
Diving into the planetary system of Proxima with NIRPS -- Breaking the metre per second barrier in the infrared2507.21751v1 · Alejandro Su'arez Mascareno, 'Etienne Artigau, Lucile Mignon et al.2025 · 12 citations2025, A&A, 700, A11
NIRPS joining HARPS at ESO 3.6 m. On-sky performance and science objectives2507.21767v1 · Francois Bouchy, Rene Doyon, Francesco Pepe et al.2025 · 30 citationsA&A, 700, A10 (2025)
Blind search for activity-sensitive lines in the near-infrared using HARPS and NIRPS observations of Proxima and Gl 5812507.21262v1 · Joao Gomes da Silva, Elisa Delgado-Mena, Nuno C. Santos et al.2025 · 4 citationsarXiv
NIRPS detection of delayed atmospheric escape from the warm and misaligned Saturn-mass exoplanet WASP-69b2507.21284v1 · Romain Allart, Yann Carteret, Vincent Bourrier et al.2025 · 7 citationsarXiv
The CHEOPS view of HD 95338b: refined transit parameters, and a search for exomoons2507.15318v1 · Sz. K'alm'an, A. E. Simon, A. Deline et al.2025 · 1 citationA&A 701, A240 (2025)
NuAncestor: an artificial satellite-borne star for accurate frequency calibration of ground-based EPRV spectrographs2507.08413v1 · F. Pepe, M. Bugatti, A. Baur et al.2025 · 0 citationsarXiv
The KELT-7b atmospheric thermal-inversion conundrum revisited with CHEOPS, TESS, and additional data2506.20432v1 · Z. Garai, A. Krenn, P.E. Cubillos et al.2025 · 2 citationsarXiv
An Eccentric Sub-Neptune Moving Into the Evaporation Desert2505.10324v2 · Sydney Jenkins, Andrew Vanderburg, Ritika Sethi et al.2025 · 2 citationsarXiv
CHEOPS Ground Segment: Systems and Automation for Mission and Science Operations2505.08352v1 · Alexis Heitzmann, Mar'ia J. Gonz'alez Bonilla, Anja Bekkelien et al.2025 · 0 citationsarXiv
Dark skies of the slightly eccentric WASP-18 b from its optical-to-infrared dayside emission2505.01544v2 · A. Deline, P. E. Cubillos, L. Carone et al.2025 · 9 citationsA&A 699, A150 (2025)
Searching for Hot Water World Candidates with CHEOPS: Refining the radii and analysing the internal structures and atmospheric lifetimes of TOI-238 b and TOI-1685 b2502.07887v1 · J. A. Egger, D. Kubyshkina, Y. Alibert et al.2025 · 6 citationsA&A 696, A28 (2025)
Transit-timing variations in the AU Mic system observed with CHEOPS2501.13575v1 · 'A. Boldog, Gy. M. Szab'o, L. Kriskovics et al.2025 · 6 citationsarXiv
CHEOPS observations confirm nodal precession in the WASP-33 system2412.08557v1 · A. M. S. Smith, Sz. Csizmadia, V. Van Grootel et al.2024 · 2 citationsA&A 2025 693 A128
A joint effort to discover and characterize two resonant mini Neptunes around TOI-1803 with TESS, HARPS-N and CHEOPS2412.05423v1 · T. Zingales, L. Malavolta, L. Borsato et al.2024 · 3 citationsA&A 695, A273 (2025)
In-situ observations of resident space objects with the CHEOPS space telescope2411.18326v1 · Nicolas Billot, Stephan Hellmich, Willy Benz et al.2024 · 3 citationsJournal of Space Safety Engineering, Volume 11, Issue 3, September 2024, Pages 498-506
A possible misaligned orbit for the young planet AU Mic c2411.16958v2 · H. Yu, Z. Garai, M. Cretignier et al.2024 · 13 citationsarXiv
A close outer companion to the ultra-hot Jupiter TOI-2109 b?2411.07797v1 · J.-V. Harre, A. M. S. Smith, S. C. C. Barros et al.2024 · 10 citationsA&A 692, A254 (2024)
Architecture of TOI-561 planetary system2410.18169v3 · G. Piotto, T. Zingales, L. Borsato et al.2024 · 4 citationsarXiv
The CHEOPS view on the climate of WASP-3 b2409.16268v1 · G. Scandariato, L. Carone, P. E. Cubillos et al.2024 · 3 citationsA&A 692, A129 (2024)
The K2-24 planetary system revisited by CHEOPS2409.02995v3 · V. Nascimbeni, L. Borsato, P. Leonardi et al.2024 · 5 citationsA&A 690, A349 (2024)
TOI-757 b: an eccentric transiting mini-Neptune on a 17.5-d orbit2407.20525v1 · A. Alqasim, N. Grieves, N. M. Ros'ario et al.2024 · 3 citationsarXiv
ANDES, the high resolution spectrograph for the ELT: science goals, project overview and future developments2407.14601v1 · A. Marconi, M. Abreu, V. Adibekyan et al.2024 · 19 citationsarXiv
Characterisation of the Warm-Jupiter TOI-1130 system with CHEOPS and photo-dynamical approach2407.06097v1 · L. Borsato, D. Degen, A. Leleu et al.2024 · 16 citationsA&A 689, A52 (2024)
Unveiling the internal structure and formation history of the three planets transiting HIP 29442 (TOI-469) with CHEOPS2406.18653v1 · J. A. Egger, H. P. Osborn, D. Kubyshkina et al.2024 · 26 citationsA&A 688, A223 (2024)
NIRPS first light and early science: breaking the 1 m/s RV precision barrier at infrared wavelengths2406.08304v2 · 'Etienne Artigau, Francois Bouchy, Ren'e Doyon et al.2024 · 0 citationsarXiv
CHEOPS in-flight performance: A comprehensive look at the first 3.5 years of operations2406.01716v1 · A. Fortier, A.E. Simon, C. Broeg et al.2024 · 1 citationarXiv
HIP 41378 observed by CHEOPS: Where is planet d?2405.20077v1 · S. Sulis, L. Borsato, S. Grouffal et al.2024 · 4 citationsA&A 686, L18 (2024)
Photo-dynamical characterisation of the TOI-178 resonant chain2405.13732v1 · A. Leleu, J.-B. Delisle, L. Delrez et al.2024 · 10 citationsA&A 688, A211 (2024)
Characterisation of the TOI-421 planetary system using CHEOPS, TESS, and archival radial velocity data2404.11074v1 · A. F. Krenn, D. Kubyshkina, L. Fossati et al.2024 · 14 citationsarXiv
Precise characterisation of HD 15337 with CHEOPS: a laboratory for planet formation and evolution2403.16621v1 · N. M. Ros'ario, O. D. S. Demangeon, S. C. C. Barros et al.2024 · 6 citationsA&A 686, A282 (2024)
Detailed cool star flare morphology with CHEOPS and TESS2403.17065v1 · G. Bruno, I. Pagano, G. Scandariato et al.2024 · 12 citationsarXiv
The tidal deformation and atmosphere of WASP-12b from its phase curve2402.10486v2 · B. Akinsanmi, S. C. C. Barros, M. Lendl et al.2024 · 19 citationsarXiv
Discovery of two warm mini-Neptunes with contrasting densities orbiting the young K3V star TOI-8152401.15709v2 · Angelica Psaridi, Hugh Osborn, Francois Bouchy et al.2024 · 4 citationsarXiv
The EBLM Project XI. Mass, radius and effective temperature measurements for 23 M-dwarf companions to solar-type stars observed with CHEOPS2312.11339v1 · M. I. Swayne, P. F. L. Maxted, A. H. M. J. Triaud et al.2023 · 24 citationsarXiv
Characterising TOI-732 b and c: New insights into the M-dwarf radius and density valley2311.12577v2 · A. Bonfanti, M. Brady, T. G. Wilson et al.2023 · 37 citationsarXiv
CHEOPS observations of KELT-20 b/MASCARA-2 b: An aligned orbit and signs of variability from a reflective dayside2311.03264v2 · V. Singh, G. Scandariato, A. M. S. Smith et al.2023 · 0 citationsarXiv
A resonant sextuplet of sub-Neptunes transiting the bright star HD 110067.38030780 · Luque, R, Osborn, H P, Leleu, A et al.2023 · 64 citationsNature. 2023;623(7989):932-937
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