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List of works by Xavier Delfosse

51-100 of 145 results

The SOPHIE search for northern extrasolar planets. XVI. HD 158259: A compact planetary system in a near-3:2 mean motion resonance chain

scholarly article

The HARPS search for southern extra-solar planets. VII. A very hot Jupiter orbiting HD212301

scientific article

Modelling the magnetic activity and filtering radial velocity curves of young Suns : the weak-line T Tauri star LkCa 4

article

The SOPHIE search for northern extrasolar planets. IV. Massive companions in the planet-brown dwarf boundary

scholarly article

The HARPS search for southern extra-solar planets. XXVI. Two giant planets around M0 dwarfs

scholarly article

A short-period super-Earth orbiting the M2.5 dwarf GJ 3634. Detection with HARPS velocimetry and transit search with Spitzer photometry

scientific article published in Astronomy and Astrophysics

The SOPHIE search for northern extrasolar planets. VIII. Follow-up of ELODIE candidates: long-period brown-dwarf companions

scientific article

The SOPHIE search for northern extrasolar planets. XI. Three new companions and an orbit update: Giant planets in the habitable zone

scientific article

Metallicity of M dwarfs. II. A comparative study of photometric metallicity scales

scientific article published in January 2012

Bright opportunities for atmospheric characterization of small planets: masses and radii of K2-3 b, c, and d and GJ3470 b from radial velocity measurements and Spitzer transits

scientific article published in January 2019

The SOPHIE search for northern extrasolar planets. XII. Three giant planets suitable for astrometric mass determination with Gaia

scientific article

Long-term magnetic activity of a sample of M-dwarf stars from the HARPS program. II. Activity and radial velocity

scientific article

Characterization of the hot Neptune GJ 436 b with Spitzer and ground-based observations

scientific article published in Astronomy and Astrophysics

Near-infrared transmission spectrum of the warm-Uranus GJ 3470b with the Wide Field Camera-3 on theHubbleSpace Telescope

scientific article published in Astronomy and Astrophysics

HST/STIS Lyman-αobservations of the quiet M dwarf GJ 436

scientific article published in Astronomy and Astrophysics

Extrasolar planets and brown dwarfs around A-F type stars

scientific article published in Astronomy and Astrophysics

ELODIE metallicity-biased search for transiting Hot Jupiters V. An intermediate-period Jovian planet orbiting HD45652

scholarly article

Metallicity of M dwarfs

scientific article (publication date: August 2014)

The HARPS search for southern extra-solar planets. XLII. A system of Earth-mass planets around the nearby M dwarf YZ Ceti

scholarly article

The Earth as an extrasolar transiting planet

scientific article

Detection of an optical transient following the 13 March 2000 short/hard gamma-ray burst

scientific article published in Astronomy and Astrophysics

Characterization of the K2-18 multi-planetary system with HARPS. A habitable zone super-Earth and discovery of a second, warm super-Earth on a non-coplanar orbit

scientific article published in Astronomy and Astrophysics

Dynamical evolution of the Gliese 581 planetary system

scientific article (publication date: February 2008)

TOI-1296b and TOI-1298b observed with TESS and SOPHIE: two hot Saturn-mass exoplanets with different densities around metal-rich stars

scientific article published in September 2021

A temperate exo-Earth around a quiet M dwarf at 3.4 parsec

scientific article published in Astronomy and Astrophysics

Extrasolar planets and brown dwarfs around a-f type stars. VII. {theta} Cygni radial velocity variations: planets or stellar phenomenon?

scientific article (publication date: November 2009)

Eyes on K2-3: A system of three likely sub-Neptunes characterized with HARPS-N and HARPS

scientific article published in Astronomy and Astrophysics

New neighbours. III. 21 new companions to nearby dwarfs, discovered with adaptive optics

scientific article published in January 2004

The mass of planet GJ 676A b from ground-based astrometry. A planetary system with two mature gas giants suitable for direct imaging

scientific article published in Astronomy and Astrophysics

SOPHIE velocimetry of Kepler transit candidates. I. Detection of the low-mass white dwarf KOI 74b

scholarly article

A second terrestrial Planet orbiting the nearby M dwarf LHS 1140

scientific article published in January 2019

Higher-precision radial velocity measurements with the SOPHIE spectrograph using octagonal-section fibers

A maximum entropy approach to detect close-in giant planets around active stars

scientific article published in Astronomy and Astrophysics

Three Red Suns in the Sky: A Transiting, Terrestrial Planet in a Triple M-dwarf System at 6.9 pc

scientific article published on 23 September 2019

A hot terrestrial planet orbiting the bright M dwarf L 168-9 unveiled by TESS

scientific article

The long egress of GJ 436b’s giant exosphere

scientific article published in Astronomy and Astrophysics

An L0 dwarf companion in the brown dwarf desert, at 30 AU

scientific article published in January 2004

Five new very low mass binaries

scientific article published in January 2006

SPIRou: the near-infrared spectropolarimeter/high-precision velocimeter for the Canada-France-Hawaii telescope

article

A super-Earth orbiting the nearby M dwarf GJ 536

scientific article published in Astronomy and Astrophysics

Magnetic activity and hot Jupiters of young Suns: the weak-line T Tauri stars V819 Tau and V830 Tau

scholarly article

Extrasolar planets and brown dwarfs around AF-type stars. X. The SOPHIE sample: combining the SOPHIE and HARPS surveys to compute the close giant planet mass-period distribution around AF-type stars

scientific article

The SOPHIE search for northern extrasolar planets. XIII. Two planets around M-dwarfs Gl617A and Gl96

scientific article

TOI–1278 B: SPIRou Unveils a Rare Brown Dwarf Companion in Close-in Orbit around an M Dwarf

scientific article published on 16 September 2021

CFBDSIR 2149-0403: young isolated planetary-mass object or high-metallicity low-mass brown dwarf?

scientific article published in Astronomy and Astrophysics

Follow-up observations of binary ultra-cool dwarfs

scientific article published in Astronomy and Astrophysics

Confirmation of the radial velocity super-Earth K2-18c with HARPS and CARMENES

scientific article

TOI-1452 b: SPIRou and TESS Reveal a Super-Earth in a Temperate Orbit Transiting an M4 Dwarf

scientific article published on 12 August 2022

TOI-269 b: an eccentric sub-Neptune transiting a M2 dwarf revisited with ExTrA

scientific article

Dynamical evolution of the Gliese 436 planetary system

scientific article published in Astronomy and Astrophysics