Matches in SemOpenAlex for { <https://semopenalex.org/work/W3200909175> ?p ?o ?g. }
- W3200909175 endingPage "45" @default.
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- W3200909175 abstract "Abstract TOI-1266c is a recently discovered super-Venus in the radius valley orbiting an early M dwarf. However, its notional bulk density (∼2.2 g cm −3 ) is consistent with a large volatile fraction, suggesting that it might have volatile reservoirs that have survived billions of years at more than twice Earth’s insolation. On the other hand, the upper mass limit paints a picture of a cool super-Mercury dominated by >50% iron core (∼9.2 g cm −3 ) that has tiptoed up to the collisional stripping limit and into the radius gap. Here we examine several hypothetical states for TOI-1266c using a combination of new and updated open-source atmospheric escape, radiative−convective, and photochemical models. We find that water-rich atmospheres with trace amounts of H 2 and CO 2 are potentially detectable (S/N > ∼ 5) in less than 20 hr of James Webb Space Telescope (JWST) observing time. We also find that water vapor spectral features are not substantially impacted by the presence of high-altitude water or ice clouds owing to the presence of a significant amount of water above the cloud deck, although further work with self-consistent cloud models is needed. Regardless of its mass, however, TOI-1266c represents a unique proving ground for several hypotheses related to the evolution of sub-Neptunes and Venus-like worlds, particularly those near the radius valley." @default.
- W3200909175 created "2021-09-27" @default.
- W3200909175 creator A5002280175 @default.
- W3200909175 creator A5006807849 @default.
- W3200909175 creator A5044505518 @default.
- W3200909175 creator A5048423230 @default.
- W3200909175 creator A5057539235 @default.
- W3200909175 creator A5064880814 @default.
- W3200909175 creator A5082329280 @default.
- W3200909175 date "2022-02-01" @default.
- W3200909175 modified "2023-10-16" @default.
- W3200909175 title "A Snowball in Hell: The Potential Steam Atmosphere of TOI-1266c" @default.
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