The Featherweight Giant: Unraveling the Atmosphere of a 17 Myr Planet with JWST

The Featherweight Giant: Unraveling the Atmosphere of a 17 Myr Planet with JWST

The characterization of young planets (<300 Myr) is pivotal for understanding planet formation and evolution. We present the 3–5 μ m transmission spectrum of the 17 Myr, Jupiter-size ( R ∼10 R _⊕ ) planet, HIP 67522b, observed with JWST NIRSpec/G395H. To check for spot contamination, we obtain a...

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Main Authors: Pa Chia Thao, Andrew W. Mann, Adina D. Feinstein, Peter Gao, Daniel Thorngren, Yoav Rotman, Luis Welbanks, Alexander Brown, Girish M. Duvvuri, Kevin France, Isabella Longo, Angeli Sandoval, P. Christian Schneider, David J. Wilson, Allison Youngblood, Andrew Vanderburg, Madyson G. Barber, Mackenna L. Wood, Natasha E. Batalha, Adam L. Kraus, Catriona Anne Murray, Elisabeth R. Newton, Aaron Rizzuto, Benjamin M. Tofflemire, Shang-Min Tsai, Jacob L. Bean, Zachory K. Berta-Thompson, Thomas M. Evans-Soma, Cynthia S. Froning, Eliza M.-R. Kempton, Yamila Miguel, J. Sebastian Pineda
Format: Article
Language:English
Published: IOP Publishing 2024-01-01
Series:The Astronomical Journal
Subjects:
Exoplanet atmospheric composition
Exoplanet evolution
James Webb Space Telescope
Starspots
Transmission spectroscopy
Online Access:https://doi.org/10.3847/1538-3881/ad81d7
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https://doi.org/10.3847/1538-3881/ad81d7

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