Search filters

List of works by Romain Allart

A candidate short-period sub-Earth orbiting Proxima Centauri

scholarly article

A spectral survey of an ultra-hot Jupiter

scientific article published in July 2019

A sub-Neptune and a non-transiting Neptune-mass companion unveiled by ESPRESSO around the bright late-F dwarf HD 5278 (TOI-130)

scientific article published in April 2021

Atomic iron and titanium in the atmosphere of the exoplanet KELT-9b.

scientific article published on 15 August 2018

Awesome SOSS: transmission spectroscopy of WASP-96b with NIRISS/SOSS

scientific article published on 14 June 2023

Detection of Helium in the Atmosphere of the Exo-Neptune HAT-P-11b

scientific article

Detection of barium in the atmospheres of the ultra-hot gas giants WASP-76b and WASP-121b

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

HD 22496 b: The first ESPRESSO stand-alone planet discovery

scientific article published in October 2021

High-resolution confirmation of an extended helium atmosphere around WASP-107b

scientific article

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

Into the storm: diving into the winds of the ultra-hot Jupiter WASP-76 b with HARPS and ESPRESSO

scientific article published in September 2021

Mass determinations of the three mini-Neptunes transiting TOI-125

scientific article published on 23 January 2020

Muted Features in the JWST NIRISS Transmission Spectrum of Hot-Neptune LTT 9779 b

scientific article published in February 2024

Near-Infrared Transmission Spectroscopy of HAT-P-18 b with NIRISS: Disentangling Planetary and Stellar Features in the Era of JWST

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

Nightside condensation of iron in an ultrahot giant exoplanet

scientific article published on 11 March 2020

Non-Detections of Helium in the Young Sub-Jovian Planets K2-100b, HD 63433b, & V1298 Tau c

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

scientific article published in Nature

Retrieving the transmission spectrum of HD 209458b using CHOCOLATE: a new chromatic Doppler tomography technique

scientific article published on 21 December 2021

Revisiting Proxima with ESPRESSO

scientific article published on 27 May 2020

Search for helium in the upper atmosphere of the hot Jupiter WASP-127 b using Gemini/Phoenix

scientific article published in August 2020

Six transiting planets and a chain of Laplace resonances in TOI-178

scholarly article

Spectrally resolved helium absorption from the extended atmosphere of a warm Neptune-mass exoplanet

scientific article published in Science

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

scientific article published in January 2017

The CORALIE survey for southern extrasolar planets. XVIII. Three new massive planets and two low-mass brown dwarfs at greater than 5 AU separation

scholarly article

The Near Infrared Imager and Slitless Spectrograph for the James Webb Space Telescope. III. Single Object Slitless Spectroscopy

scientific article published in July 2023

The Rossiter–McLaughlin effect revolutions: an ultra-short period planet and a warm mini-Neptune on perpendicular orbits

scientific article published in October 2021

The atmosphere of HD 209458b seen with ESPRESSO

scientific article published in March 2021

The obliquity and atmosphere of the hot Jupiter WASP-122b (KELT-14b) with ESPRESSO: An aligned orbit and no sign of atomic or molecular absorption

scientific article published in November 2024

Transits of Known Planets Orbiting a Naked-eye Star

scientific article published on 21 August 2020

Warm terrestrial planet with half the mass of Venus transiting a nearby star

scientific article published in September 2021

Where Is the Water? Jupiter-like C/H Ratio but Strong H<sub>2</sub>O Depletion Found on τ Boötis b Using SPIRou

scientific article published on 28 July 2021