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Romain Allart

  1. JWST Reveals CH4, CO2, and H2O in a Metal-rich Miscible Atmosphere on a Two-Earth-Radius Exoplanet
    2024/03/05 by Björn Benneke, Pierre-Alexis Roy, Benneke, Björn +59 · 2 voices · 20 citations
    Chemistry · #Spectroscopy and Laser Applications
  2. Muted Features in the JWST NIRISS Transmission Spectrum of Hot-Neptune LTT 9779 b
    2024/01/28 by Michael Radica, Radica, Michael, Louis-Philippe Coulombe +29 · 11 citations
    Engineering · Physics and Astronomy · #Astronomical Observations and Instrumentation #Calibration and Measurement Techniques #Earth and Planetary Astrophysics (astro-ph.EP) #FOS: Physical sciences #Gamma-ray bursts and supernovae
  3. Strict limits on potential secondary atmospheres on the temperate rocky exo-Earth TRAPPIST-1 d
    2025/08/11 by Caroline Piaulet, Caroline Piaulet-Ghorayeb, Piaulet-Ghorayeb, Caroline +52 · 2 voices · 9 citations
    Physics and Astronomy · #Astronomy and Astrophysical Research #Astrophysics and Star Formation Studies #Atmosphere (unit) #Atmospheric escape #Circumstellar habitable zone #Exoplanet #Planet #Planetary habitability #Stellar, planetary, and galactic studies #Temperate climate #Terrestrial planet #astro-ph.EP #astro-ph.SR
  4. Transmission spectroscopy of WASP-52 b with JWST NIRISS: Water and helium atmospheric absorption, alongside prominent star-spot crossings
    2024/12/22 by Marylou Fournier-Tondreau, Fournier-Tondreau, Marylou, Kim Morel +42 · 7 citations
    Chemistry · Engineering · Physics and Astronomy · #Absorption (acoustics) #Absorption spectroscopy #Astronomy #Astronomy and Astrophysical Research #Astrophysics #Atomic physics #Earth and Planetary Astrophysics (astro-ph.EP) #Engineering #FOS: Physical sciences #Helium #Materials science #Optics #Physics #Spectroscopy #Spectroscopy and Laser Applications #Star (game theory) #Stellar, planetary, and galactic studies #Telecommunications #Transmission (telecommunications)
  5. Statistical trends in JWST transiting exoplanet atmospheres
    2025/01/03 by Guangwei Fu, Kevin B. Stevenson, Fu, Guangwei +32 · 1 voice · 5 citations
    Physics and Astronomy · #Astro and Planetary Science #Astronomy #Astronomy and Astrophysical Research #Environmental science #Exoplanet #Physics #Planet #Stellar, planetary, and galactic studies #astro-ph.EP
  6. Super-Earth masses and stellar abundances from NIRPS reveal tentative evidence for water-rich formation around M dwarfs
    2026/04/08 by Drew Weisserman, Nicole Gromek, Ryan Cloutier +104 · 2 voices
    Physics and Astronomy · #Astronomy and Astrophysical Research #Exoplanet #Planet #Planetary system #Scientific Research and Discoveries #Star formation #Stars #Stellar evolution #Stellar mass #Stellar, planetary, and galactic studies #Terrestrial planet
  7. The breaking of cold traps and onset of titanium in ultra-hot Jupiter atmospheres: WASP-189b in context
    2026/06/09 by Stefan Pelletier, S. Pelletier, R. Allart +115 · 3 voices
    Physics and Astronomy · #Astro and Planetary Science #Astronomy and Astrophysical Research #Stellar, planetary, and galactic studies #astro-ph.EP
  8. The Days Drag On on WASP-121 b: Interpreting its NIRISS Spectroscopic Phase Curve with General Circulation Models
    2026/05/02 by Robert C. Frazier, Emily Rauscher, Jared Splinter +18 · 1 voice
    Physics and Astronomy · #astro-ph.EP