List of works - Nicola Astudillo-Defru

A HARPS view on K2-3 ⬇️

scientific article published in Astronomy and Astrophysics

A Pair of TESS Planets Spanning the Radius Valley around the Nearby Mid-M Dwarf LTT 3780

scientific article

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

scientific article published on 14 March 2022

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

scientific article

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 super-Earth orbiting the nearby M dwarf GJ 536 ⬇️

scientific article published in Astronomy and Astrophysics

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

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

Characterization of a set of small planets with TESS and CHEOPS and an analysis of photometric performance

scientific article published in 2023

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

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

scientific article

Discovery of a hot, transiting, Earth-sized planet and a second temperate, non-transiting planet around the M4 dwarf GJ 3473 (TOI-488)

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

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

scientific article published in Astronomy and Astrophysics

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

HD207897 b: A dense sub-Neptune transiting a nearby and bright K-type star ⬇️

scientific article published in 2022

Hot Exoplanet Atmospheres Resolved with Transit Spectroscopy (HEARTS). I. Detection of hot neutral sodium at high altitudes on WASP-49b

scientific article published in January 2017

Hot Exoplanet Atmospheres Resolved with Transit Spectroscopy (HEARTS). II. A broadened sodium feature on the ultra-hot giant WASP-76b

scholarly article

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

scientific article

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

Optical and Near-infrared Radial Velocity Content of M Dwarfs: Testing Models with Barnard’s Star

scientific article published in Astronomical Journal

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

scientific article published in Nature

Planetary system LHS 1140 revisited with ESPRESSO and TESS

scientific article

Strong H I Lyman-{alpha} variations from an 11 Gyr-old host star: a planetary origin?

scientific article published in January 2017

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

scientific article

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

scientific article published in September 2021

The 55 Cancri system reassessed

scholarly article

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

scientific article

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. 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 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 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. XVIII. Six new cold Jupiters, including one of the most eccentric exoplanet orbits ⬇️

scientific article published in September 2021

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

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

TraMoS project – III. Improved physical parameters, timing analysis and starspot modelling of the WASP-4b exoplanet system from 38 transit observations

scientific article

List of works by Nicola Astudillo-Defru

A HARPS view on K2-3 ⬇️

A Pair of TESS Planets Spanning the Radius Valley around the Nearby Mid-M Dwarf LTT 3780

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

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

A rocky planet transiting a nearby low-mass star ⬇️

A second terrestrial Planet orbiting the nearby M dwarf LHS 1140

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

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

A temperate rocky super-Earth transiting a nearby cool star

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

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

Characterization of a set of small planets with TESS and CHEOPS and an analysis of photometric performance

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

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

Discovery of a hot, transiting, Earth-sized planet and a second temperate, non-transiting planet around the M4 dwarf GJ 3473 (TOI-488)

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

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

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

HD207897 b: A dense sub-Neptune transiting a nearby and bright K-type star ⬇️

Hot Exoplanet Atmospheres Resolved with Transit Spectroscopy (HEARTS). I. Detection of hot neutral sodium at high altitudes on WASP-49b

Hot Exoplanet Atmospheres Resolved with Transit Spectroscopy (HEARTS). II. A broadened sodium feature on the ultra-hot giant WASP-76b

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

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

Optical and Near-infrared Radial Velocity Content of M Dwarfs: Testing Models with Barnard’s Star

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

Planetary system LHS 1140 revisited with ESPRESSO and TESS

Strong H I Lyman-{alpha} variations from an 11 Gyr-old host star: a planetary origin?

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

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

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

The 55 Cancri system reassessed

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

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

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

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

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 ⬇️

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

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

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

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

The SOPHIE search for northern extrasolar planets. X. Detection and characterization of giant planets by the dozen ⬇️

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

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

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

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

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

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

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

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

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

TraMoS project – III. Improved physical parameters, timing analysis and starspot modelling of the WASP-4b exoplanet system from 38 transit observations

Validation of a Third Planet in the LHS 1678 System