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The Transit Timing and Atmosphere of Hot Jupiter HAT-P-37b

The Astronomical journal, 2022-02, Vol.163 (2), p.77 [Peer Reviewed Journal]

2022. The Author(s). Published by the American Astronomical Society. ;2022. The Author(s). Published by the American Astronomical Society. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;ISSN: 0004-6256 ;EISSN: 1538-3881 ;DOI: 10.3847/1538-3881/ac416d

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Title:
The Transit Timing and Atmosphere of Hot Jupiter HAT-P-37b
Author: A-thano, Napaporn ; Jiang, Ing-Guey ; Awiphan, Supachai ; Rattanamala, Ronnakrit ; Su, Li-Hsin ; Hengpiya, Torik ; Sariya, Devesh P. ; Yeh, Li-Chin ; Shlyapnikov, A. A. ; Gorbachev, Mark A. ; Rublevski, Alexey N. ; Mannaday, Vineet Kumar ; Thakur, Parijat ; Sahu, D. K. ; Mkrtichian, David ; Griv, Evgeny
Subjects: Atmospheric models ; Broadband ; Exoplanet astronomy ; Exoplanet atmospheres ; Extrasolar planets ; G stars ; Gas giant planets ; Jupiter ; Light curve ; Orbital resonances (celestial mechanics) ; Orbits ; Outliers (statistics) ; Physical properties ; Planets ; Spectroscopy ; Spectrum analysis ; Transit
Is Part Of: The Astronomical journal, 2022-02, Vol.163 (2), p.77
Description: Abstract We perform transit timing variation (TTV) and transmission spectroscopy analyses of the planet HAT-P-37b, which is a hot Jupiter orbiting a G-type star. Nine new transit light curves are obtained and analyzed together with 21 published light curves from the literature. The updated physical parameters of HAT-P-37b are presented. The TTV analyses show a possibility that the system has an additional planet that induced the TTVs amplitude signal of 1.74 ± 0.17 minutes. If the body is located near the 1:2 mean-motion resonance orbit, the sinusoidal TTV signal could be caused by the gravitational interaction of a sub-Earth-mass planet with mass of 0.06 M ⊕ . From the analysis of an upper-mass limit for the second planet, a Saturn-mass planet with orbital period less than 6 days is excluded. The broadband transmission spectra of HAT-P-37b favors a cloudy atmospheric model with an outlier spectrum in the B filter.
Publisher: Madison: The American Astronomical Society
Language: English
Identifier: ISSN: 0004-6256
EISSN: 1538-3881
DOI: 10.3847/1538-3881/ac416d
Source: DOAJ Directory of Open Access Journals
IOPscience (Open Access)
Alma/SFX Local Collection
Institute of Physics IOP eJournals Open Access

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The Transit Timing and Atmosphere of Hot Jupiter HAT-P-37b

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