OD
Olivier D. S. Demangeon
astro-ph.EPastro-ph.SRastro-ph.IMastro-ph.GAcs.DLExobiologyphysics.data-anphysics.gen-phphysics.space-phPlanets
On Valency
published · living versionsW_v2snk925·v1 · currentpublished
A remnant planetary core in the hot-Neptune desert
with David J. Armstrong, Théo A. Lopez, Vardan Adibekyan, Richard A. Booth +89
1 version
W_kxbebmtq·v1published
W_ynufkxb8·v1published
Preprints & journals
224 papers in the corpus · 2011–2026Uncovering temperate worlds: an updated look at the K2-3 system with ESPRESSO2609.17792v1 · Avidaan Srivastava, Emma Pimentel, Am'elie Gressier et al.2026 · 0 citationsarXiv
Effect of stellar spot-only spectral lines in high-resolution transit spectroscopy2609.03568v1 · W. Dethier, E. Cristo, O. D. S. Demangeon 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
Predicting Radial Velocities from Rossiter-McLaughlin Time Series Observations2607.29232v1 · Vardan Adibekyan, Olivier Demangeon, Diogo Teixeira et al.2026 · 0 citationsarXiv
Assessing the Impact of Varying HSO Cross Sections on Photochemical Models: Implications for the Spectral Characterization of Terrestrial Exoplanets2607.04275v1 · Alexandre Branco, Clara Sousa-Silva, Wynter Broussard et al.2026 · 0 citationsarXiv
A decade of monitoring the HIP 41378's planetary system2606.23103v1 · S. Grouffal, A. Santerne, X. Dumusque et al.2026 · 0 citationsarXiv
Spin-Orbit Geometry of AU Mic b and c from Back-to-Back Transits Observed Contemporaneously with Magellan PFS, LCOGT, and CHEOPS2605.29946v2 · Zitao Lin, Gyula M. Szab'o, Krzysztof Sz. Zieli'nski et al.2026 · 0 citationsarXiv
The small transiting planet population revealed by ESPRESSO with extreme precision radial velocities2605.27002v1 · M. J. Hobson, B. Lavie, F. Bouchy 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
Reinforcing Prestige: Journal Citation Biases in Astronomy2603.25349v1 · Vardan Adibekyan, Olivier Demangeon, Tiago Campante et al.2026 · 0 citationsarXiv
Impact of stellar spots on the high-resolution transmission spectra of a giant planet around a Sun-like star2603.13075v1 · Jennifer P. Lucero, O. D. S. Demangeon, E. Cristo et al.2026 · 0 citationsarXiv
HARPS-N, TESS, and CHEOPS discover a transiting sub-Neptune and two outer companions around the bright solar analogue HD 854262511.08473v1 · F. Lienhard, A. Mortier, A. Collier Cameron et al.2025 · 2 citationsarXiv
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
SOAPv4: A new step toward modeling stellar signatures in exoplanet research2510.08319v1 · E. Cristo, J. P. Faria, N. C. Santos et al.2025 · 7 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)
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)
The star HIP 41378 potentially misaligned with its cohort of long-period planets2507.01807v2 · S. Grouffal, A. Santerne, V. Bourrier et al.2025 · 5 citationsA&A 701, A173 (2025)
A systematic bias in template-based RV extraction algorithms2506.23261v1 · Andr'e M. Silva, N. C. Santos, J. P. Faria et al.2025 · 9 citationsA&A 700, A93 (2025)
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
PoET: the Paranal solar ESPRESSO Telescope2505.08540v1 · Nuno C. Santos, Alexandre Cabral, Ines Leite et al.2025 · 3 citations2025, The Messenger 194, 21-25
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)
Exploring the Neptunian Desert: Insights from a Homogeneous Planetary Sample2504.16164v1 · Lauren Doyle, David J. Armstrong, Lorena Acuna et al.2025 · 15 citationsarXiv
A Swarm of WASP Planets: Nine giant planets identified by the WASP survey2504.08091v1 · Nicole Schanche, Guillaume H'ebrard, Keivan G. Stassun et al.2025 · 2 citationsarXiv
TOI-512: Super-Earth transiting a K-type star discovered by TESS and ESPRESSO2502.14472v1 · J. Rodrigues, S.C. Barros, N.C. Santos et al.2025 · 3 citationsarXiv
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
Characterization of seven transiting systems including four warm Jupiters from SOPHIE and TESS2412.08527v1 · N. Heidari, G. H'ebrard, E. Martioli et al.2024 · 12 citationsA&A 694, A36 (2025)
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)
Linking the primordial composition of planet building disks to the present-day composition of rocky exoplanets2410.17984v1 · V. Adibekyan, M. Deal, C. Dorn et al.2024 · 14 citationsA&A 692, A67 (2024)
Architecture of TOI-561 planetary system2410.18169v3 · G. Piotto, T. Zingales, L. Borsato et al.2024 · 4 citationsarXiv
The obliquity and atmosphere of the hot Jupiter WASP-122b (KELT-14b) with ESPRESSO: An aligned orbit and no sign of atomic or molecular absorption2410.00800v1 · M. Stangret, E. Palle, E. Esparza-Borges et al.2024 · 2 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)
ESPRESSO reveals blueshifted neutral iron emission lines on the dayside of WASP-76 b2409.13519v1 · A. R. Costa Silva, O. D. S. Demangeon, N. C. Santos et al.2024 · 13 citationsAstronomy & Astrophysics, 689, A8, 15 (2024)
SWEET-Cat: A view on the planetary mass-radius relation2409.11965v1 · S.G. Sousa, V. Adibekyan, E. Delgado-Mena et al.2024 · 9 citationsA&A 691, A53 (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
TOI-1408: Discovery and Photodynamical Modeling of a Small Inner Companion to a Hot Jupiter Revealed by TTVs2407.17798v1 · Judith Korth, Priyanka Chaturvedi, Hannu Parviainen et al.2024 · 25 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)
The PLATO Mission2406.05447v2 · Heike Rauer, Conny Aerts, Juan Cabrera et al.2024 · 13 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
Career total: at least 711 works. 224 are in this corpus.Showing the 50 most recent.
Profile built from the corpus for this byline.
Author records are still filling in while the Hub is in alpha. If this is your page, you'll be able to claim it soon. Spot a mistake? Tell us.