Approved DP Proposals - CHEOPS Guest Observers Programme
Approved proposals for the discretionary Programme (DP)
Up to 5% of the observing time on CHEOPS may be taken up by the Discretionary Programme (DP). Proposals can be submitted at any time. All details and criteria can be found at this link.
Proposal ID |
Surname of PI [Country] |
Title of Proposal |
# Orbits |
| 001 (EP) | Jenkins (CL) |
Constraining the scattering properties of condensates in the ultrahot neptune, LTT 9779b |
30 |
|
005 (EP) |
Kostov (US) |
Solving the orbital ambiguitiy of a new transiting circumbinary planet TIC 172900988b |
12 |
| 007 (EP) | Heidari (FR) |
Observing the second HD88986b transit event: a temperate sub-Neptunre characterised by TESS and SOPHIE |
101.7 |
| 008 (EP) | Edwards (FR) | Catching the Transit of a Long Period Planet to Support Future Atmospheric Characterisation | 14 |
| 010 (EP) | Akinsanmi (CH) | Resolving the dynamical history of the hot Jupiter WASP-132b and its inner mini-Neptune companion | 18 |
| 014 (EP) | Scarsdale (US) | Period measurement of the brightest-host transiting habitable zone terrestrial exoplanet | 40 |
| 015 (EP) | Mortier (UK) | The coolest small planet: Catching the transit of a small planet orbiting an M dwarf with P>100d and a precise mass from HARPS-N | 78.35 |
| 018 (EP) | Dattilo (US) | Confirmation of four planet candidates around an extremely young star | 64 |
| 019 (EP) | Mohr (US) | Period Confirmation for The Sub-Neptune Exoplanet with The Longest Period | 10 |
| 020 (EP) | Tusay (US) | An Optical Lever-arm for JWST Spectra of K2-22b | 23 |
| 022 (EP) | Vissapragada (US) | The First Neptune Desert Progenitor System | 30 |
| 023 (EP) | Standing (ES) | Characterisation of TESS Multi-planet Circumbinary System | 53 |
| 024 (EP) | Almenara (FR) | Confirming a transiting super-Earth in the optimistic habitable zone with CHEOPS | 16 |
| 025 (Other) | Saunders (US) | Neptune Stellar Occultation: Measure Neptune’s Stratosphere and Determine the Feasibility of Space-Based Stellar Occultation Observations with CHEOPS | 4 |
| 026 (EP) | Louca (NL) | DS Tuc A b | 9 |
| 027 (EP) | Giacalone (US) | Measuring the Orbital Tilt and Composition of the Disintegrating Planet BD+05 4868 Ab with Simultaneous High-Resolution Spectroscopy and CHEOPS Photometry | 78 |
| 028 (EP) | Almenara (FR) | Pinning down the period of a TESS planetary candidate | 20 |
| 029 (EP) | Leonardi (IT) | Lost and Found: Constraining the radius and mass of a progenitor of sub-Neptunes | 36 (P2) |
| 030 (EP) | Naponiello (IT) | Investigating the giant TTVs around a Solar-type star | 17 (P2) |
| 031 (EP) | Leonardi (IT) | Probing the Youngest Transiting Exoplanet's Atmosphere: Investigation TOI-6963 b by combining spectroscopy and photometry | 34 (P1) |
| 036 (EP) | Spencer (US) | Constraining the Orbit of a Temperate Long-Period Sub-Neptune around a Young K-Dwarf | 10.18 |
| 037 (EP) | French (UK) | Precise Mass Determination of Kepler-1647AB b Through Eclipse Timing Variations | 66 |
| Total number of orbits awarded since the start of the CHEOPS mission | 764.23 |
Key to table: EP - Exoplanet Science; SP – Stellar Physics; Other – Other topics.
This website was last updated on 5 August 2025.