Steven B. Charnley

Goddard Space Flight Center — United States

Physics and Astronomy · Physical Sciences

50h-index9.2kcitations578works7.72yr avg
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Research Topics

Astro and Planetary Science(220), Astrophysics and Star Formation Studies(215), Molecular Spectroscopy and Structure(159), Atmospheric Ozone and Climate(117), Advanced Chemical Physics Studies(75)

Publications578 total

JCMT detection of HCN emission from 3I/ATLAS at 2.1 au
Monthly Notices of the Royal Astronomical Society·2026· 3 citedOpen Access
CH$_3$OH and HCN in Interstellar Comet 3I/ATLAS Mapped with the ALMA Atacama Compact Array: Distinct Outgassing Behaviors and a Remarkably High CH$_3$OH/HCN Production Rate Ratio
arXiv (Cornell University)·2025Open Access
The Evolution in Coma Molecular Composition of Comet C/2017 K2 (PanSTARRS) Across the H$_2$O Sublimation Zone: ALMA Imaging of an H$_2$O-Dominated Coma
arXiv (Cornell University)·2025Open Access
The Molecular Inventory of TMC-1 with GOTHAM Observations
The Astrophysical Journal Supplement Series·2025· 4 citedOpen Access
Protostars at Subsolar Metallicity: First Detection of Large Solid-state Complex Organic Molecules in the Large Magellanic Cloud
The Astrophysical Journal Letters·2025· 2 citedOpen Access
JWST Detection of a Carbon-dioxide-dominated Gas Coma Surrounding Interstellar Object 3I/ATLAS
The Astrophysical Journal Letters·2025· 29 citedOpen Access
ALMA Observations of Molecular Complexity in the Large Magellanic Cloud: Probing the Star-forming Region N 160
The Astrophysical Journal·2025· 2 citedOpen Access
The Molecular Inventory of TMC-1 with GOTHAM Observations
arXiv (Cornell University)·2025Open Access
ALMA Imaging of Comet C/2017 K2 (PanSTARRS) En Route to the H2O Sublimation Zone
2025Open Access
Temporal Variability of Titan’s Equatorial Zonal Winds Between 2012-2
2025Open Access
The Robust Detection and Spatial Distribution of Acetaldehyde in Orion KL: Atacama Large Millimeter/submillimeter Array Observations and Chemical Modeling
The Astrophysical Journal·2025· 1 citedOpen Access
ALMA Observations of Molecular Complexity in the Large Magellanic Cloud: Probing the Star-forming Region N160
arXiv (Cornell University)·2025Open Access
The First Detection of Molecular Activity in the Largest Known Oort Cloud Comet: ALMA Imaging of C/2014 UN271 (Bernardinelli–Bernstein) at 16.6 au from the Sun
The Astrophysical Journal Letters·2025· 2 citedOpen Access
Charting circumstellar chemistry of carbon-rich asymptotic giant branch stars
Astronomy and Astrophysics·2025Open Access
Charting circumstellar chemistry of carbon-rich asymptotic giant branch stars. II. Abundances and spatial distributions of CS
arXiv (Cornell University)·2025Open Access
Improved Carbon and Nitrogen Isotopic Ratios for CH<sub>3</sub>CN in Titan’s Atmosphere Using ALMA
The Planetary Science Journal·2025· 3 citedOpen Access
Discovery of the Seven-ring Polycyclic Aromatic Hydrocarbon Cyanocoronene (C<sub>24</sub>H<sub>11</sub>CN) in GOTHAM Observations of TMC-1
The Astrophysical Journal Letters·2025· 50 citedOpen Access
Cospatial ice mapping of H2O with CO2 and CO across a molecular cloud with JWST/NIRCam
Nature Astronomy·2025· 5 citedOpen Access
Charting circumstellar chemistry of carbon-rich asymptotic giant branch stars
Astronomy and Astrophysics·2025Open Access
FAUST
Astronomy and Astrophysics·2025· 1 citedOpen Access
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Frequent Co-authors

P. Ehrenfreund(11), Scott Rodgers(10), Martin Cordiner(9), Yi‐Jehng Kuan(8), Zbigniew Kisiel(8), Brett A. McGuire(6), Stefanie N. Milam(6), Ryan A. Loomis(5), Andrew M. Burkhardt(5), Ci Xue(5), Anthony J. Remijan(5), T. J. Millar(4), D. Bockelée–Morvan(4), Edwin A. Bergin(4), Z. Peeters(4), N. Biver(4), P. Bryan Changala(4), M. J. Mumma(3), Hui‐Chun Huang(3), D. C. Lis(3)