List of works by Xavier Delfosse

A HARPS view on K2-3 ⬇️

scientific article published in Astronomy and Astrophysics

A Mass for the Extrasolar Planet Gliese 876[CLC]b[/CLC] Determined from [ITAL]Hubble Space Telescope[/ITAL] Fine Guidance Sensor 3 Astrometry and High-Precision Radial Velocities ⬇️

scientific article published in the Astrophysical Journal

A global analysis ofSpitzerand new HARPS data confirms the loneliness and metal-richness of GJ 436 b ⬇️

scientific article published in Astronomy and Astrophysics

A hot Uranus transiting the nearby M dwarf GJ 3470

scientific article published in Astronomy and Astrophysics

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

scientific article

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

scientific article published in Astronomy and Astrophysics

A precise physical orbit for the m-dwarf binary Gliese 268 ⬇️

scientific article published in the Astrophysical Journal

A rocky planet transiting a nearby low-mass star ⬇️

scientific article

A second terrestrial Planet orbiting the nearby M dwarf LHS 1140

scientific article published in January 2019

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

A super-Earth orbiting the nearby M dwarf GJ 536 ⬇️

scientific article published in Astronomy and Astrophysics

A super-Earth transiting a nearby low-mass star

scientific article

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

scientific article published in Astronomy and Astrophysics

A temperate rocky super-Earth transiting a nearby cool star

scientific article

Accompanying optical interferometry worldwide: the JMMC tools and services

Accurate masses of low mass stars GJ 765.2AB (0.83 M_{sun}_ + 0.76 M_{sun}_)

scientific article published in January 2007

Accurate masses of very low mass stars. I. Gl 570BC (0.6M_{sun}_+0.4M_{sun}_)

scientific article

Accurate masses of very low mass stars. II. The very low mass triple system Gl 866

scholarly article

Accurate masses of very low mass stars. IV. Improved mass-luminosity relations

scientific article published in January 2000

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

scientific article published in January 2004

Atmospheric characterization of Proxima b by coupling the SPHERE high-contrast imager to the ESPRESSO spectrograph ⬇️

scientific article published in Astronomy and Astrophysics

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

CFBDS J005910.90-011401.3: reaching the T-Y brown dwarf transition?

scientific article published in Astronomy and Astrophysics

CFBDSIR 2149-0403: a 4-7 Jupiter-mass free-floating planet in the young moving group AB Doradus?

scientific article published in Astronomy and Astrophysics

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

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

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

scientific article published in Astronomy and Astrophysics

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

scientific article

Detecting planets around active stars: impact of magnetic fields on radial velocities and line bisectors

scholarly article

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

scientific article published in Astronomy and Astrophysics

Dynamical evolution of the Gliese 436 planetary system

scientific article published in Astronomy and Astrophysics

Dynamical evolution of the Gliese 581 planetary system

scientific article (publication date: February 2008)

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

scholarly article

ELODIE metallicity-biased search for transiting Hot Jupiters. IV. Intermediate period planets orbiting the stars HD 43691 and HD 132406

scientific article published in Astronomy and Astrophysics

Evidence of early disk-locking among low-mass members of the Orion Nebula Cluster

scientific article published in Astronomy and Astrophysics

Evidence of early disk-locking among low-mass members of the Orion Nebula Cluster(Corrigendum)

scientific article published in Astronomy and Astrophysics

Exploring the magnetic topologies of cool stars

Extrasolar planets and brown dwarfs around A-F type stars

scientific article published in Astronomy and Astrophysics

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

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

Five new very low mass binaries

scientific article published in January 2006

Follow-up observations of binary ultra-cool dwarfs

scientific article published in Astronomy and Astrophysics

GJ 367b: A dense, ultrashort-period sub-Earth planet transiting a nearby red dwarf star

scientific article published on 3 December 2021

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

scientific article published in Astronomy and Astrophysics

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

Hint of a transiting extended atmosphere on 55 Cancri b

scientific article published in Astronomy and Astrophysics

LP 349-25: A new tight M8V binary

scientific article published in January 2005

Large-scale magnetic topologies of M dwarfs

Large-scale magnetic topologies of early M dwarfs★

scientific article

Large-scale magnetic topologies of late M dwarfs★

scientific article (publication date: 20 July 2010)

Large-scale magnetic topologies of mid M dwarfs★

scholarly article

Line-by-line velocity measurements, an outlier-resistant method for precision velocimetry

Long-term magnetic activity of a sample of M-dwarf stars from the HARPS program. I. Comparison of activity indices

scientific article published in January 2011

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

scientific article

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

scholarly article

Mass-radius relation of low and very low-mass stars revisited with the VLTI

scientific article (publication date: October 2009)

Masses and compositions of three small planets orbiting the nearby M dwarf L231-32 (TOI-270) and the M dwarf radius valley

scientific article published on 24 August 2021

Metallicity of M dwarfs ⬇️

scientific article (publication date: August 2014)

Metallicity of M dwarfs

scientific article published in Astronomy and Astrophysics

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

scientific article published in January 2012

Metallicity of M dwarfs. III. Planet-metallicity and planet-stellar mass correlations of the HARPS GTO M dwarf sample

scientific article (publication date: 15 February 2013)

Misaligned spin-orbit in the XO-3 planetary system?

scientific article published in Astronomy and Astrophysics

Misaligned spin-orbit in the XO-3 planetary system?

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

article

Near-InfraRed Planet Searcher to Join HARPS on the ESO 3.6-metre Telescope

scientific article

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

New Mass and Radius Constraints on the LHS 1140 Planets -- LHS 1140 b is Either a Temperate Mini-Neptune or a Water World

scientific article published in January 2024

New neighbours. I. 13 new companions to nearby M dwarfs

scholarly article

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

scientific article published in January 2004

Observation of the full 12-hour-long transit of the exoplanet HD 80606b

scientific article published in Astronomy and Astrophysics

Photometric and spectroscopic detection of the primary transit of the 111-day-period planet HD 80 606 b

scientific article (publication date: April 2009)

Prized results from HARPS

Radial velocity homogeneous analysis of M dwarfs observed with HARPS: I. Exoplanet detection and candidates

scientific article published in September 2024

Refined parameters and spectroscopic transit of the super-massive planet HD 147506b

scientific article (publication date: April 2008)

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

scholarly article

SPIRou @ CFHT: data reduction software and simulation tools

SPIRou input catalogue: activity, rotation and magnetic field of cool dwarfs

scholarly article

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

article

Searching for very low-mass stars and brown dwarfs with DENIS

scientific article published in Astronomy and Astrophysics

Spin-orbit inclinations of the exoplanetary systems HAT-P-8b, HAT-P-9b, HAT-P-16b, and HAT-P-23b

scientific article published in Astronomy and Astrophysics

Spin-orbit misalignment in the HD 80606 planetary system

scientific article published in Astronomy and Astrophysics

Star-disk interaction in the T Tauri star V2129 Ophiuchi: An evolving accretion-ejection structure

scientific article

Stellar activity of planetary host star HD 189733

Stellar activity of planetary host star HD 189 733

scientific article published in Astronomy and Astrophysics

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

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

TOI-674b: An oasis in the desert of exo-Neptunes transiting a nearby M dwarf

scientific article published in September 2021

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

The CARMENES search for exoplanets around M dwarfs. A Neptune-mass planet traversing the habitable zone around HD 180617

scientific article

The Earth as an extrasolar transiting planet

scientific article

The HARPS search for southern extra-solar planets XXXII. Only 4 planets in the Gl~581 system

The HARPS search for southern extra-solar planets. VI. A Neptune-mass planet around the nearby M dwarf Gl 581

scientific article (publication date: 15 November 2005)

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

scientific article

The HARPS search for southern extra-solar planets. X. A msini=11M_{earth}_ planet around the nearby spotted M dwarf GJ 674

scientific article

The HARPS search for southern extra-solar planets. XI. Super-Earths (5 and 8 M) in a 3-planet system

scientific article (publication date: July 2007)

The HARPS search for southern extra-solar planets. XIV. Gl 176b, a super-Earth rather than a Neptune, and at a different period

scientific article (publication date: 2009)

The HARPS search for southern extra-solar planets. XIX. Characterization and dynamics of the GJ 876 planetary system

scientific article published in February 2010

The HARPS search for southern extra-solar planets. XLI. A dozen planets around the M dwarfs GJ 3138, GJ 3323, GJ 273, GJ 628, and GJ 3293

scientific article

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 HARPS search for southern extra-solar planets. XVII. Super-Earth and Neptune-mass planets in multiple planet systems HD 47 186 and HD 181 433

scholarly article

The HARPS search for southern extra-solar planets. XVIII. An Earth-mass planet in the GJ 581 planetary system

scientific article (publication date: November 2009)

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

scholarly article

The HARPS search for southern extra-solar planets. XXXI. The M-dwarf sample

scientific article

The HARPS search for southern extra-solar planets. XXXIII. Super-Earths around the M-dwarf neighbors Gl 433 and Gl 667C

scholarly article published in 'Astronomy and Astrophysics' in May 2013

The HARPS search for southern extra-solar planets. XXXIV. A planetary system around the nearby M dwarf GJ 163, with a super-Earth possibly in the habitable zone

scholarly article

The HARPS search for southern extra-solar planets. XXXVI. Planetary systems and stellar activity of the M dwarfs GJ 3293, GJ 3341, and GJ 3543 ⬇️

scholarly article

The HARPS survey for southern extra-solar planets. II. A 14 Earth-masses exoplanet around {mu} Arae

scientific article published in October 2004

The SOPHIE search for northern extrasolar planets. I. A companion around HD 16760 with mass close to the planet/brown-dwarf transition

scholarly article

The SOPHIE search for northern extrasolar planets. II. A multiple planet system around HD 9446 ⬇️

scientific article published in Astronomy and Astrophysics

The SOPHIE search for northern extrasolar planets. III. A Jupiter-mass companion around HD 109246

scientific article

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

scholarly article

The SOPHIE search for northern extrasolar planets. V. Follow-up of ELODIE candidates: Jupiter-analogs around Sun-like stars ⬇️

scientific article

The SOPHIE search for northern extrasolar planets. VI. Three new hot Jupiters in multi-planet extrasolar systems

scholarly article

The SOPHIE search for northern extrasolar planets. VII. A warm Neptune orbiting HD 164595 ⬇️

scientific article

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. X. Detection and characterization of giant planets by the dozen ⬇️

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

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

scientific article

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

scientific article

The SOPHIE search for northern extrasolar planets. XIV. A temperate (Teq ~ 300 K) super-earth around the nearby star Gliese 411

scientific article

The SOPHIE search for northern extrasolar planets. XV. A warm Neptune around the M dwarf Gl 378

scientific article

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 SOPHIE search for northern extrasolar planets. XVII. A wealth of new objects: Six cool Jupiters, three brown dwarfs, and 16 low-mass binary stars ⬇️

scientific article published on 21 May 2021

The SOPHIE search for northern extrasolar planets. XVIII. Six new cold Jupiters, including one of the most eccentric exoplanet orbits ⬇️

scientific article published in September 2021

The closest extrasolar planet. A giant planet around the M4 dwarf Gl876

scientific article published in January 1998

The long egress of GJ 436b’s giant exosphere

scientific article published in Astronomy and Astrophysics

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

The retrograde orbit of the HAT-P-6b exoplanet

scientific article published in Astronomy and Astrophysics

The stable magnetic field of the fully convective star V374 Peg

scientific article

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

Three new massive companions in the planet-brown dwarf boundary detected with SOPHIE

Paulina is supported by:

About Paulina

Help