D. Ségransan

University of Geneva — Switzerland

Physics and Astronomy · Physical Sciences

86h-index30.5kcitations734works5.52yr avg
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Research Topics

Stellar, planetary, and galactic studies(631), Astronomy and Astrophysical Research(434), Astro and Planetary Science(287), Astrophysics and Star Formation Studies(279), Astronomical Observations and Instrumentation(168)

Publications687 total

A decade of solar high-fidelity spectroscopy and precise radial velocities from HARPS-N
Astronomy and Astrophysics·2025Open Access
Inferring planet occurrence rates from radial velocities
arXiv (Cornell University)·2025Open Access
HARPS-N, TESS, and CHEOPS discover a transiting sub-Neptune and two outer companions around the bright solar analogue HD 85426
arXiv (Cornell University)·2025Open Access
Detailed cool star flare morphology with CHEOPS and TESS <i>(Corrigendum)</i>
Astronomy and Astrophysics·2025· 1 citedOpen Access
Atmospheric composition and circulation of the ultra-hot Jupiter WASP-121b with joint NIRPS, HARPS and CRIRES+ transit spectroscopy
Astronomy and Astrophysics·2025· 1 citedOpen Access
A Decade of Solar High-Fidelity Spectroscopy and Precise Radial Velocities from HARPS-N
ArXiv.org·2025Open Access
An ultra-short period super-Earth and sub-Neptune spanning the Radius Valley orbiting the kinematic thick disc star TOI-2345
Monthly Notices of the Royal Astronomical Society·2025Open Access
NIRPS and TESS reveal a peculiar system around the M dwarf TOI-756: A transiting sub-Neptune and a cold eccentric giant
Astronomy and Astrophysics·2025· 1 citedOpen Access
Transit timing variations in HIP 41378: CHEOPS and TESS confirm a non-transiting sixth planet in the system
Astronomy and Astrophysics·2025Open Access
Quantifying thermal water dissociation in the dayside photosphere of WASP-121 b using NIRPS
Astronomy and Astrophysics·2025· 1 citedOpen Access
Spectral analysis of two directly imaged benchmark L dwarf companions at the stellar-substellar boundary
Astronomy and Astrophysics·2025· 1 citedOpen Access
Chromaticity of stellar activity in radial velocities
Astronomy and Astrophysics·2025· 2 citedOpen Access
Radial velocity homogeneous analysis of M dwarfs observed with HARPS
Astronomy and Astrophysics·2025· 2 citedOpen Access
A comprehensive study on radial velocity signals using ESPRESSO: Pushing precision to the 10 cm/s level
Astronomy and Astrophysics·2025· 3 citedOpen Access
NIRPS detection of delayed atmospheric escape from the warm and misaligned Saturn-mass exoplanet WASP-69 b
Astronomy and Astrophysics·2025· 5 citedOpen Access
Diving into the planetary system of Proxima with NIRPS
Astronomy and Astrophysics·2025· 7 citedOpen Access
Hydride ion continuum hides absorption signatures in the NIRPS near-infrared transmission spectrum of the ultra-hot gas giant WASP-189b
Astronomy and Astrophysics·2025· 4 citedOpen Access
Geometric albedo of WASP-12 b and WASP-76 b in the CHEOPS and TESS bandpasses (<i>Corrigendum</i>)
Astronomy and Astrophysics·2025· 1 citedOpen Access
A comprehensive study on radial velocity signals using ESPRESSO: Pushing precision to the 10 cm/s level
arXiv (Cornell University)·2025Open Access
CORALIE radial-velocity search for companions around evolved stars (CASCADES)
Astronomy and Astrophysics·2025· 1 citedOpen Access
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Frequent Co-authors

S. Udry(42), F. Pepe(39), D. Queloz(34), C. Lovis(27), M. Mayor(26), F. Bouchy(20), N. C. Santos(19), A. Collier Cameron(14), M. Gillon(14), W. Benz(12), D. R. Anderson(11), C. Hellier(11), P. F. L. Maxted(11), B. Smalley(11), R. G. West(11), X. Delfosse(11), X. Dumusque(10), A. H. M. J. Triaud(10), T. Forveille(10), D. Pollacco(9)