Ryan J. MacDonald
- 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
- The MIRI Exoplanets Orbiting White Dwarfs (MEOW) Survey: Mid-Infrared Excess Reveals a Giant Planet Candidate around a Nearby White Dwarf
2024/08/29 by Mary Anne Limbach, Limbach, Mary Anne, Andrew Vanderburg +41 · 4 voices · 11 citations
Physics and Astronomy · #Astronomy and Astrophysical Research #Stellar, planetary, and galactic studies #astro-ph.EP #astro-ph.SR
- Transmission Spectroscopy of the Habitable Zone Exoplanet LHS 1140 b with JWST/NIRISS
2024/06/21 by Charles Cadieux, René Doyon, Cadieux, Charles +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
- 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
- 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
- JWST-TST DREAMS: Secondary Atmosphere Constraints for the Habitable Zone Planet TRAPPIST-1 e
2025/09/05 by Ana Glidden, Sukrit Ranjan, Glidden, Ana +57 · 4 voices · 10 citations
Chemistry · Earth and Planetary Sciences · Physics and Astronomy · #Spectroscopy and Laser Applications #Atmospheric Ozone and Climate #Stellar, planetary, and galactic studies
- Double Trouble: Two Transits of the Super-Earth GJ 1132 b Observed with JWST NIRSpec G395H
2023/10/16 by Erin May, E. M. May, Ryan J. MacDonald +22 · 1 voice · 10 citations
Physics and Astronomy · #Pulsars and Gravitational Waves Research #Stellar, planetary, and galactic studies #Astrophysical Phenomena and Observations
- 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 · 11 citations
Chemistry · #Spectroscopy and Laser Applications
- The Effect of Stellar Contamination on Low-resolution Transmission Spectroscopy: Needs Identified by NASA's Exoplanet Exploration Program Study Analysis Group 21
2022/01/24 by Benjamin V. Rackham, Rackham, Benjamin V., Néstor Espinoza +119 · 6 citations
Earth and Planetary Sciences · Physics and Astronomy · #Astronomy and Astrophysical Research #Atmospheric Ozone and Climate #Earth and Planetary Astrophysics (astro-ph.EP) #FOS: Physical sciences #Instrumentation and Methods for Astrophysics (astro-ph.IM) #Solar and Stellar Astrophysics (astro-ph.SR) #Stellar, planetary, and galactic studies
- REAL GROSS DOMESTIC INCOME, RELATIVE PRICES, AND ECONOMIC PERFORMANCE ACROSS THE OECD
2010/04/16 by Ryan J. MacDonald, Ryan Macdonald · 3 citations
Economics, Econometrics and Finance · #Fiscal Policy and Economic Growth #Economic Growth and Productivity #Monetary Policy and Economic Impact
- Thermal Emission and Confirmation of the Frigid White Dwarf Exoplanet WD 1856+534b
2025/04/23 by Mary Anne Limbach, Andrew Vanderburg, Limbach, Mary Anne +29 · 3 voices · 8 citations
Physics and Astronomy · #Astronomy and Astrophysical Research #Stellar, planetary, and galactic studies #Adaptive optics and wavefront sensing
- JWST-TST DREAMS: Quartz Clouds in the Atmosphere of WASP-17b
2023/10/12 by David Grant, Grant, David, Nikole K. Lewis +81 · 2 voices · 4 citations
Physics and Astronomy · #Earth and Planetary Astrophysics (astro-ph.EP) #FOS: Physical sciences #astro-ph.EP
- JWST/NIRCam Transmission Spectroscopy of the Nearby Sub-Earth GJ 341b
2024/01/11 by James Kirk, Kevin B. Stevenson, Kirk, James +37 · 5 citations
Chemistry · Engineering · Physics and Astronomy · #Astronomical Observations and Instrumentation #Astrophysics and Star Formation Studies #Earth and Planetary Astrophysics (astro-ph.EP) #FOS: Physical sciences #Spectroscopy and Laser Applications
- Implementation of Aerosol Mie Scattering in POSEIDON with Application to the hot Jupiter HD 189733 b's Transmission, Emission, and Reflected Light Spectrum
2024/10/25 by Elijah Mullens, Nikole K. Lewis, Mullens, Elijah +3 · 8 citations
Physics and Astronomy · #Astro and Planetary Science #Astronomy and Astrophysical Research #Earth and Planetary Astrophysics (astro-ph.EP) #FOS: Physical sciences #Instrumentation and Methods for Astrophysics (astro-ph.IM) #Stellar, planetary, and galactic studies
- Evidence for a volcanic atmosphere on the sub-Earth L98-59b
2025/01/30 by Aaron Bello-Arufe, Bello-Arufe, Aaron, Mario Damiano +19 · 7 citations
Biochemistry, Genetics and Molecular Biology · Earth and Planetary Sciences · Physics and Astronomy · #Astro and Planetary Science #Earth and Planetary Astrophysics (astro-ph.EP) #FOS: Physical sciences #Geomagnetism and Paleomagnetism Studies #Geophysics and Gravity Measurements
- Strict limits on potential secondary atmospheres on the temperate rocky exo-Earth TRAPPIST-1 d
2025/08/11 by Caroline Piaulet, Caroline Piaulet-Ghorayeb, Björn Benneke +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
- Cthulhu: An Open Source Molecular and Atomic CrossSection Computation Code for Substellar Atmospheres
2024/10/05 by A. Agrawal, Arnav Agrawal, Ryan J. MacDonald · 1 voice · 2 citations
Earth and Planetary Sciences · Chemistry · Physics and Astronomy · #Atmospheric Ozone and Climate #Spectroscopy and Laser Applications #Advanced Chemical Physics Studies
- JWST-TST DREAMS: Quartz Clouds in the Atmosphere of WASP-17b
2023/10/01 by David Grant, Nikole K. Lewis, Hannah R. Wakeford +39 · 1 voice · 2 citations
Physics and Astronomy · #Astro and Planetary Science #Astrophysics and Star Formation Studies #Stellar, planetary, and galactic studies
- 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
- Aerosols and hydrocarbons in the atmosphere of a white dwarf planet
2026/07/01 by Ryan J. MacDonald, Christopher E. O'Connor, Christopher E. O’Connor +21 · 1 voice
Physics and Astronomy · #Astronomy and Astrophysical Research #Astrophysics and Star Formation Studies #Stellar, planetary, and galactic studies #astro-ph.EP #astro-ph.SR
- Mid-Infrared Spectrum of the Disk around the Forming Companion GQ Lup B Revealed by JWST/MIRI
2024/04/10 by Gabriele Cugno, Cugno, Gabriele, Polychronis Patapis +13 · 2 citations
Physics and Astronomy · #Astronomy and Astrophysical Research #Astrophysical Phenomena and Observations #Earth and Planetary Astrophysics (astro-ph.EP) #FOS: Physical sciences #Pulsars and Gravitational Waves Research #Solar and Stellar Astrophysics (astro-ph.SR)
- 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
- JWST-TST DREAMS: NIRSpec/PRISM Transmission Spectroscopy of the Habitable Zone Planet TRAPPIST-1 e
2025/09/05 by Néstor Espinoza, Espinoza, Néstor, Natalie H. Allen +67 · 1 voice · 7 citations
Chemistry · Physics and Astronomy · #Earth and Planetary Astrophysics (astro-ph.EP) #FOS: Physical sciences #Instrumentation and Methods for Astrophysics (astro-ph.IM) #Solar and Stellar Astrophysics (astro-ph.SR)
- The Importance of Optical Wavelength Data on Atmospheric Retrievals of Exoplanet Transmission Spectra
2024/03/12 by Charlotte Fairman, Fairman, Charlotte, Hannah R. Wakeford +3 · 1 voice · 1 citation
Decision Sciences · Engineering · Physics and Astronomy · #Astronomy and Astrophysical Research #Calibration and Measurement Techniques #Scientific Measurement and Uncertainty Evaluation #astro-ph.EP #astro-ph.IM
- From the Shadows: The Impact of Nightside Thermal Emission on Ultra-hot Jupiter Transmission Spectra Retrievals
2024/08/14 by John A. Kappelmeier, Ryan J. MacDonald, Kappelmeier, John A. +3 · 1 citation
Engineering · Physics and Astronomy · #Astro and Planetary Science #Astronomical Observations and Instrumentation #Astronomy and Astrophysical Research #Earth and Planetary Astrophysics (astro-ph.EP) #FOS: Physical sciences
- Additional JWST/NIRSpec Transits of the Rocky M Dwarf Exoplanet GJ 1132 b Reveal a Featureless Spectrum
2025/08/14 by Katherine A. Bennett, Ryan J. MacDonald, Bennett, Katherine A. +37 · 1 voice · 2 citations
#astro-ph.EP
- JWST NIRISS Transmission Spectroscopy of the Super-Earth GJ 357b, a Favourable Target for Atmospheric Retention
2025/05/30 by Jake Taylor, Taylor, Jake, Michael Radica +39 · 1 voice · 1 citation
#astro-ph.EP #astro-ph.SR