Keck/NIRSPEC Studies of He i in the Atmospheres of Two Inflated Hot Gas Giants Orbiting K Dwarfs: WASP-52b and WASP-177b

Kirk, James; A. Dos Santos, Leonardo; López‐Morales, Mercedes; K. Alam, Munazza; Oklopčić, Antonija; MacLeod, Morgan; Zeng, Li; Zhou, George

doi:10.3847/1538-3881/ac722f

Public

Keck/NIRSPEC Studies of He i in the Atmospheres of Two Inflated Hot Gas Giants Orbiting K Dwarfs: WASP-52b and WASP-177b

Published in The Astronomical Journal • Jun 29, 2022

Authors:

James Kirk

Leonardo A. Dos Santos

Mercedes López‐Morales

Abstract

Abstract We present the detection of neutral helium at 10833 Å in the atmosphere of WASP-52b and tentative evidence of helium in the atmosphere of the grazing WASP-177b, using high-resolution observations acquired with the NIRSPEC instrument on the Keck II telescope. We detect excess absorption by h...

Subject

Exoplanet

Physics

Atmosphere (unit)

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