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Michael Radica

  1. Identification of carbon dioxide in an exoplanet atmosphere
    2022/08/24 by The JWST Transiting Exoplanet Community Early Release Science Team, JWST Transiting Exoplanet Community Early Release Science Team, Eva-Maria Ahrer +147 · 2 voices · 20 citations
    Physics and Astronomy · Earth and Planetary Sciences · #Stellar, planetary, and galactic studies #Astro and Planetary Science #Atmospheric Ozone and Climate
  2. Transmission Spectroscopy of the Habitable Zone Exoplanet LHS 1140 b with JWST/NIRISS
    2024/06/21 by Charles Cadieux, Cadieux, Charles, René Doyon +45 · 1 voice · 16 citations
    Engineering · Physics and Astronomy · #Astronomy and Astrophysical Research #Calibration and Measurement Techniques #Earth and Planetary Astrophysics (astro-ph.EP) #FOS: Physical sciences #Stellar, planetary, and galactic studies #astro-ph.EP
  3. A Comprehensive Reanalysis of K2-18 b's JWST NIRISS+NIRSpec Transmission Spectrum
    2025/01/30 by Stephen P. Schmidt, Ryan J. MacDonald, Schmidt, Stephen P. +34 · 8 voices · 14 citations
    Engineering · Earth and Planetary Sciences · #Calibration and Measurement Techniques #Atmospheric Ozone and Climate
  4. Insufficient evidence for DMS and DMDS in the atmosphere of K2-18 b
    2025/05/19 by R. Luque, Caroline Piaulet, C. Piaulet-Ghorayeb +19 · 8 voices · 8 citations
    Physics and Astronomy · Earth and Planetary Sciences · #Astro and Planetary Science #Solar and Space Plasma Dynamics #Geophysics and Gravity Measurements
  5. The Near Infrared Imager and Slitless Spectrograph for the James Webb Space Telescope. I. Instrument Overview and In-flight Performance
    2023/09/01 by René Doyon, Chris J. Willott, John B. Hutchings +78 · 19 citations
    Physics and Astronomy · #Stellar, planetary, and galactic studies #Adaptive optics and wavefront sensing #Astronomy and Astrophysical Research
  6. Atmospheric Reconnaissance of TRAPPIST-1 b with JWST/NIRISS: Evidence for Strong Stellar Contamination in the Transmission Spectra
    2023/09/13 by Olivia Lim, Björn Benneke, René Doyon +22 · 1 voice · 14 citations
    Physics and Astronomy · #astro-ph.EP #astro-ph.SR
  7. Characterizing the Near-infrared Spectra of Flares from TRAPPIST-1 During JWST Transit Spectroscopy Observations
    2023/10/05 by Ward S. Howard, Adam F. Kowalski, Howard, Ward S. +36 · 3 voices · 11 citations
    Earth and Planetary Sciences · Physics and Astronomy · #Geophysics and Gravity Measurements #Solar and Space Plasma Dynamics #astro-ph.EP #astro-ph.SR
  8. The Near Infrared Imager and Slitless Spectrograph for the James Webb Space Telescope -- I. Instrument Overview and in-Flight Performance
    2023/06/05 by René Doyon, Doyon, Rene, Chris J. Willott +123 · 12 citations
    Physics and Astronomy · #Adaptive optics and wavefront sensing #Astronomy and Astrophysical Research #FOS: Physical sciences #Instrumentation and Methods for Astrophysics (astro-ph.IM) #Stellar, planetary, and galactic studies
  9. The JWST Rocky Worlds DDT Program Reveals GJ 3929b to Likely Be a Bare Rock
    2025/08/17 by Qiao Xue, Michael Zhang, Xue, Qiao +38 · 2 voices · 3 citations
    Physics and Astronomy · #Stellar, planetary, and galactic studies #Astrophysics and Star Formation Studies #Astronomy and Astrophysical Research
  10. Promise and Peril: Stellar Contamination and Strict Limits on the Atmosphere Composition of TRAPPIST-1c from JWST NIRISS Transmission Spectra
    2024/09/28 by Michael Radica, Caroline Piaulet, Caroline Piaulet-Ghorayeb +24 · 1 voice · 16 citations
    Engineering · Physics and Astronomy · #Astronomical Observations and Instrumentation #Astronomy and Astrophysical Research #Calibration and Measurement Techniques #astro-ph.EP
  11. JWST Reveals CH4, CO2, and H2O in a Metal-rich Miscible Atmosphere on a Two-Earth-Radius Exoplanet
    2024/03/05 by Björn Benneke, Benneke, Björn, Pierre-Alexis Roy +59 · 11 citations
    Chemistry · #Spectroscopy and Laser Applications
  12. Muted Features in the JWST NIRISS Transmission Spectrum of Hot-Neptune LTT 9779 b
    2024/01/28 by Michael Radica, Louis-Philippe Coulombe, Radica, Michael +29 · 8 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
  13. exoTEDRF: An EXOplanet Transit and Eclipse Data Reduction Framework
    2024/07/24 by Michael Radica, Radica, Michael · 7 citations
    Earth and Planetary Sciences · Engineering · #Geophysics and Gravity Measurements #Astronomical Observations and Instrumentation #GNSS positioning and interference
  14. 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 · 8 citations
    Physics and Astronomy · #Astronomy and Astrophysical Research #Astrophysics and Star Formation Studies #Stellar, planetary, and galactic studies #astro-ph.EP #astro-ph.SR
  15. 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 · 4 citations
    Chemistry · Physics and Astronomy · #Astronomy and Astrophysical Research #Earth and Planetary Astrophysics (astro-ph.EP) #FOS: Physical sciences #Spectroscopy and Laser Applications #Stellar, planetary, and galactic studies
  16. Enabling Robust Exoplanet Atmospheric Retrievals with Gaussian Processes
    2025/03/27 by Yoav Rotman, Luis Welbanks, Rotman, Yoav +10 · 1 voice · 4 citations
    Physics and Astronomy · Earth and Planetary Sciences · #Stellar, planetary, and galactic studies #Atmospheric Ozone and Climate #Astro and Planetary Science
  17. Detailed Architecture of the L 98-59 System and Confirmation of a Fifth Planet in the Habitable Zone
    2025/07/12 by Charles Cadieux, Alexandrine L'Heureux, Cadieux, Charles +27 · 4 voices · 2 citations
    #astro-ph.EP
  18. JWST-TST DREAMS: A Precise Water Abundance for Hot Jupiter WASP-17b from the NIRISS SOSS Transmission Spectrum
    2024/12/04 by Dana R. Louie, Elijah Mullens, Lili Alderson +31 · 1 voice · 3 citations
    Physics and Astronomy · #Astro and Planetary Science #Astronomy and Astrophysical Research #Stellar, planetary, and galactic studies #astro-ph.EP
  19. JWST NIRISS Transmission Spectroscopy of the Super-Earth GJ 357b, a Favourable Target for Atmospheric Retention
    2025/05/30 by Jake Taylor, Michael Radica, Taylor, Jake +39 · 1 voice · 1 citation
    #astro-ph.EP #astro-ph.SR
  20. An Earth-like Density for the Temperate Earth-sized Planet GJ 12b
    2025/06/25 by Madison Brady, Jacob Bean, Brady, Madison +21 · 2 voices · 1 citation
    Physics and Astronomy · #Earth and Planetary Astrophysics (astro-ph.EP) #FOS: Physical sciences #astro-ph.EP
  21. KRONOS II: Solar-like Umbra and Penumbra Properties on the Young Sun V1298~Tau
    2026/06/15 by Matthew M. Murphy, Adina D. Feinstein, Meir E. Schochet +14 · 2 voices
    #astro-ph.SR #astro-ph.EP