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Characterizing the Time Variability of 2M1207 A + b with JWST NIRSpec/PRISM

We present JWST NIRSpec/PRISM integral field unit time-resolved observations of 2M1207 A and b (TWA 27), an ∼10 Myr binary system consisting of an ∼2500 K substellar primary hosting an ∼1300 K companion. Our data provide 20 time-resolved spectra over an observation spanning 12.56 hr. We provide an e...

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Autori principali: Arthur D. Adams, Yifan Zhou, Gabriel-Dominique Marleau, Daniel Apai, Beth A. Biller, Aarynn L. Carter, Johanna M. Vos, Niall Whiteford, Stephan Birkmann, Theodora Karalidi, Xianyu Tan, Jason Wang, Yuhiko Aoyama, Brendan P. Bowler, Mickaël Bonnefoy, Jun Hashimoto
Natura: Artigo
Lingua:Inglês
Pubblicazione: IOP Publishing 2025-01-01
Serie:The Astronomical Journal
Soggetti:
Brown dwarfs
Exoplanet atmospheric variability
Extrasolar gaseous planets
James Webb Space Telescope
Direct imaging
Accesso online:https://doi.org/10.3847/1538-3881/ae07d2
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