Search Results - "Seager, S."
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A Temperature and Abundance Retrieval Method for Exoplanet Atmospheres
Published in The Astrophysical journal (10-12-2009)“…We present a new method to retrieve molecular abundances and temperature profiles from exoplanet atmosphere photometry and spectroscopy. We run millions of…”
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A Framework for Quantifying the Degeneracies of Exoplanet Interior Compositions
Published in The Astrophysical journal (01-04-2010)“…Several transiting super-Earths are expected to be discovered in the coming few years. While tools to model the interior structure of transiting planets exist,…”
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3
High Metallicity and Non-equilibrium Chemistry in the Dayside Atmosphere of hot-Neptune GJ 436b
Published in The Astrophysical journal (01-03-2011)“…We present a detailed analysis of the dayside atmosphere of the hot-Neptune GJ 436b, based on recent Spitzer observations. We report statistical constraints on…”
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Toward a List of Molecules as Potential Biosignature Gases for the Search for Life on Exoplanets and Applications to Terrestrial Biochemistry
Published in Astrobiology (01-06-2016)“…Thousands of exoplanets are known to orbit nearby stars. Plans for the next generation of space-based and ground-based telescopes are fueling the anticipation…”
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A BIOMASS-BASED MODEL TO ESTIMATE THE PLAUSIBILITY OF EXOPLANET BIOSIGNATURE GASES
Published in The Astrophysical journal (01-10-2013)“…Biosignature gas detection is one of the ultimate future goals for exoplanet atmosphere studies. We have created a framework for linking biosignature gas…”
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6
Flares, Rotation, and Planets of the AU Mic System from TESS Observations
Published in The Astronomical journal (01-04-2022)“…Abstract AU Mic is a young (∼24 Myr), pre-main-sequence M dwarf star that was observed in the first month of science observations of the Transiting Exoplanet…”
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A Unique Solution of Planet and Star Parameters from an Extrasolar Planet Transit Light Curve
Published in The Astrophysical journal (10-03-2003)Get full text
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Identifying Exoplanets with Deep Learning. V. Improved Light-curve Classification for TESS Full-frame Image Observations
Published in The Astronomical journal (01-03-2023)“…Abstract The TESS mission produces a large amount of time series data, only a small fraction of which contain detectable exoplanetary transit signals…”
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Mass-Radius Relationships for Solid Exoplanets
Published in The Astrophysical journal (10-11-2007)“…We use new interior models of cold planets to investigate the mass-radius relationships of solid exoplanets, considering planets made primarily of iron,…”
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Theoretical Transmission Spectra during Extrasolar Giant Planet Transits
Published in The Astrophysical journal (10-07-2000)Get full text
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The TESS Grand Unified Hot Jupiter Survey. II. Twenty New Giant Planets
Published in The Astrophysical journal. Supplement series (01-03-2023)“…Abstract NASA’s Transiting Exoplanet Survey Satellite (TESS) mission promises to improve our understanding of hot Jupiters by providing an all-sky,…”
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Early-time Light Curves of Type Ia Supernovae Observed with TESS
Published in The Astrophysical journal (01-02-2021)“…Abstract We present the early-time light curves of Type Ia supernovae (SNe Ia) observed in the first six sectors of Transiting Exoplanet Survey Satellite…”
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On the Method to Infer an Atmosphere on a Tidally Locked Super Earth Exoplanet and Upper Limits to GJ 876d
Published in The Astrophysical journal (01-10-2009)“…We develop a method to infer or rule out the presence of an atmosphere on a tidally locked hot super Earth. The question of atmosphere retention is a…”
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The young HD 73583 (TOI-560) planetary system: two 10-M⊕ mini-Neptunes transiting a 500-Myr-old, bright, and active K dwarf
Published in Monthly notices of the Royal Astronomical Society (11-06-2022)“…ABSTRACT We present the discovery and characterization of two transiting planets observed by TESS in the light curves of the young and bright (V = 9.67) star…”
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TOI-1859b: A 64 Day Warm Jupiter on an Eccentric and Misaligned Orbit
Published in Astrophysical journal. Letters (01-07-2023)“…Abstract Warm Jupiters are close-in giant planets with relatively large planet–star separations (i.e., 10 < a / R ⋆ < 100). Given their weak tidal interactions…”
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TOI-3235 b: A Transiting Giant Planet around an M4 Dwarf Star
Published in Astrophysical journal. Letters (01-03-2023)“…Abstract We present the discovery of TOI-3235 b, a short-period Jupiter orbiting an M dwarf with a stellar mass close to the critical mass at which stars…”
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A Second Earth-sized Planet in the Habitable Zone of the M Dwarf, TOI-700
Published in Astrophysical journal. Letters (01-02-2023)“…Abstract We report the discovery of TOI-700 e, a 0.95 R ⊕ planet residing in the Optimistic Habitable Zone (HZ) of its host star. This discovery was enabled by…”
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TOI-1994b: A Low-mass Eccentric Brown Dwarf Transiting A Subgiant Star
Published in The Astronomical journal (01-03-2024)“…Abstract We present the discovery of TOI-1994b, a low-mass brown dwarf transiting a hot subgiant star on a moderately eccentric orbit. TOI-1994 has an…”
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Verification of Gaia Data Release 3 Single-lined Spectroscopic Binary Solutions With Three Transiting Low-mass Secondaries
Published in The Astronomical journal (01-12-2023)“…Abstract While secondary mass inferences based on single-lined spectroscopic binary (SB1) solutions are subject to sin i degeneracies, this degeneracy can be…”
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Ocean Planet or Thick Atmosphere: On the Mass-Radius Relationship for Solid Exoplanets with Massive Atmospheres
Published in The Astrophysical journal (01-02-2008)“…The bulk composition of an exoplanet is commonly inferred from its average density. For small planets, however, the average density is not unique within the…”
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