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List of works by Xavier Bonfils

A 1.55 R⊕ habitable-zone planet hosted by TOI-715, an M4 star near the ecliptic South Pole

scholarly article

A HARPS view on K2-3 ⬇️

scientific article published in Astronomy and Astrophysics

A More Precise Mass for GJ 1214 b and the Frequency of Multiplanet Systems Around Mid-M Dwarfs

scientific article published on 4 October 2021

A Second Planet Transiting LTT 1445A and a Determination of the Masses of Both Worlds

scientific article published on 14 March 2022

A close-in puffy Neptune with hidden friends: The enigma of TOI 620

scientific article

A giant comet-like cloud of hydrogen escaping the warm Neptune-mass exoplanet GJ 436b

scientific article (publication date: 24 June 2015)

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 pair of sub-Neptunes transiting the bright K-dwarf TOI-1064 characterized with CHEOPS

scientific article published on 13 January 2022

A rocky planet transiting a nearby low-mass star ⬇️

scientific 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

A super-Earth transiting a nearby low-mass star

scientific article

A temperate Earth-sized planet with tidal heating transiting an M6 star

scientific article published on 17 May 2023

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

ATMOSPHERIX: I- An open source high resolution transmission spectroscopy pipeline for exoplanets atmospheres with SPIRou

scientific article published on 14 September 2023

ATMOSPHERIX: II- Characterizing exoplanet atmospheres through transmission spectroscopy with SPIRou

scientific article published on 14 September 2023

Absolute masses and radii determination in multiplanetary systems without stellar models ⬇️

scientific article

Accretion dynamics in the classical T Tauri star V2129 Ophiuchi

scientific article published in Astronomy and Astrophysics

Accurate Spitzer infrared radius measurement for the hot Neptune GJ 436b

scientific article published in Astronomy and Astrophysics

Accurate Spitzer infrared radius measurement for the hot Neptune GJ 436b

scientific article

An educated search for transiting habitable planets:

scientific article published in Astronomy and Astrophysics

Analysis of Early Science observations with the CHaracterising ExOPlanets Satellite (CHEOPS) using PYCHEOPS

scholarly article

Atmospheric characterization of terrestrial exoplanets in the mid-infrared: biosignatures, habitability, and diversity

scientific article published on 10 September 2021

BEBOP III. Observations and an independent mass measurement of Kepler-16 (AB) b -- the first circumbinary planet detected with radial velocities

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

scientific article published in Astronomy and Astrophysics

Characterizing Exoplanetary Atmospheres at High Resolution with SPIRou: Detection of Water on HD 189733 b

scientific article published on 9 November 2021

Company for the ultra-high density, ultra-short period sub-Earth GJ 367 b: discovery of two additional low-mass planets at 11.5 and 34 days

Discovery of two warm mini-Neptunes with contrasting densities orbiting the young K3V star TOI-815

Disentangling between stellar activity and planetary signals

Disentangling stellar activity and planetary signals

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 against the young hot-Jupiter around BD +20 1790

scientific article published in Astronomy and Astrophysics

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)

Finding exoplanets orbiting young active stars – I. Technique

scientific article

GJ 1252 b: A 1.2 R ⊕ Planet Transiting an M3 Dwarf at 20.4 pc

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

scientific article published on 3 December 2021

HIRES: the high resolution spectrograph for the E-ELT

Hint of a transiting extended atmosphere on 55 Cancri b

scientific article published in Astronomy and Astrophysics

How the planetary research helps to the stellar dynamo understanding

Investigating the young AU Mic system with SPIRou: large-scale stellar magnetic field and close-in planet mass

scientific article published on 01 December 2020

LHS 1815b: The First Thick-disk Planet Detected by TESS

scientific article

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

Metallicity of M dwarfs ⬇️

scientific article (publication date: August 2014)

Metallicity of M dwarfs

scientific article published in Astronomy and Astrophysics

Milli-arcsecond Astrophysics with VSI, the VLTI Spectro-imager in the ELT Era

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?

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

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

scientific article published in Astronomy and Astrophysics

Orbital misalignment of the Neptune-mass exoplanet GJ 436b with the spin of its cool star

scientific article published in Nature

PIONIER: a 4-telescope visitor instrument at VLTI

scientific article published in Astronomy and Astrophysics

PIONIER: a visitor instrument for VLTI

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

scientific article (publication date: April 2009)

Planets observed with CHEOPS. Two super-Earths orbiting the red dwarf star TOI-776

scientific article published in April 2024

Planets or Spots: tests and diagnostics in single and multi-planet systems

Precise characterisation of HD 15337 with CHEOPS: a laboratory for planet formation and evolution

Prized results from HARPS

Prospects for near-infrared characterisation of hot Jupiters with the VLTI Spectro-Imager (VSI)

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

scientific article published in September 2024

Recurring Outbursts and Nuclear Fragmentation of Comet C/2001 A2 (LINEAR) ⬇️

scientific article published in the Astrophysical Journal

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

scientific article (publication date: April 2008)

SOAP. A tool for the fast computation of photometry and radial velocity induced by stellar spots

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

SPIRou @ CFHT: data reduction software and simulation tools

SWEET-Cat: A catalogue of parameters for Stars With ExoplanETs

scientific article published in 'Astronomy and Astrophysics' in August 2013

Science case for 1 mas spectro-imagining in the near-infrared

Search for a habitable terrestrial planet transiting the nearby red dwarf GJ 1214

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

Spitzer observations of GJ 3470 b: a very low-density neptune-size planet orbiting a metal-rich M dwarf ⬇️

scientific article published in the Astrophysical Journal

Stellar activity of planetary host star HD 189733

Stellar activity of planetary host star HD 189 733

scientific article published in Astronomy and Astrophysics

TESS and CHEOPS discover two warm sub-Neptunes transiting the bright K-dwarf HD 15906

scientific article published in August 2023

TOI-1199 b and TOI-1273 b: Two new transiting hot Saturns detected and characterized with SOPHIE and TESS

scientific article

TOI-1231 b: A Temperate, Neptune-sized Planet Transiting the Nearby M3 Dwarf NLTT 24399

scientific article

TOI-1431b/MASCARA-5b: A Highly Irradiated Ultrahot Jupiter Orbiting One of the Hottest and Brightest Known Exoplanet Host Stars ⬇️

scientific article published in December 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-1736 and TOI-2141: two systems including sub-Neptunes around solar analogs revealed by TESS and SOPHIE

scientific article

TOI-3235 b: a transiting giant planet around an M4 dwarf star

TOI-663: A newly discovered multi-planet system with three transiting mini-Neptunes orbiting an early M star

scientific article published in May 2024

TOI-836: A super-Earth and mini-Neptune transiting a nearby K-dwarf

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

TW Hya under CRIRES light: evidence against the presence of a hot Jupiter

TW Hydrae: evidence of stellar spots instead of a Hot Jupiter

scientific article published in Astronomy and Astrophysics

The Earth as an extrasolar transiting planet

scientific article

The HARPS search for southern extra-solar planets. I. HD330075b: A new ``hot Jupiter''

scholarly article

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. 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 search for southern extrasolar planets. XXIII. 8 planetary companions to low-activity solar-type stars

scientific article published in Astronomy and Astrophysics

The LHS 1678 System: Two Earth-sized Transiting Planets and an Astrometric Companion Orbiting an M Dwarf Near the Convective Boundary at 20 pc

scholarly article

The PLATO 2.0 mission

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

scientific article

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 high-energy environment and atmospheric escape of the mini-Neptune K2-18 b

scientific article

The large-scale magnetic field of Proxima Centauri near activity maximum

scientific article published on 30 October 2020

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

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

Transit detection of the long-period volatile-rich super-Earth ν² Lupi d with CHEOPS ⬇️

scientific article published on 28 June 2021

Two Warm Neptunes transiting HIP 9618 revealed by TESS & Cheops

scientific article published on 30 May 2023

VSI: the VLTI spectro-imager

Validation of a Third Planet in the LHS 1678 System

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