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20 April 2024

» arxiv » 1902.9710

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TOI-150: A transiting hot Jupiter in the TESS southern CVZ
Caleb I. Cañas ; Gudmundur Stefansson ; Andrew J. Monson ; Johanna K. Teske ; Chad F. Bender ; Suvrath Mahadevan ; Conny Aerts ; Rachael L. Beaton ; R. Paul Butler ; Kevin R. Covey ; Jeffrey D. Crane ; Nathan De Lee ; Matias R. Diaz ; Scott W. Fleming ; D. A. Garcia-Hernandez ; Fred R. Hearty ; Juna A. Kollmeier ; Steven R. Majewski ; Christian Nitschelm ; Donald P. Schneider ; Stephen A. Shectman ; Keivan G. Stassun ; Andrew Tkachenko ; Sharon X. Wang ; Songhu Wang ; John C. Wilson ;
Date:	26 Feb 2019
Abstract:	We report the detection of a hot Jupiter ($M_{p}=1.72pm0.09 M_{J}$, $R_{p}=1.38pm0.04 R_{J}$) orbiting a middle-aged star ($log g=4.152^{+0.030}_{-0.043}$) in the TESS southern continuous viewing zone ($eta=-79.59^{circ}$). We confirm the planetary nature of the candidate TOI-150.01 using radial velocity observations from the APOGEE-2 South spectrograph and the Carnegie Planet Finder Spectrograph, ground-based photometric observations from the robotic Three-hundred MilliMeter Telescope at Las Campanas Observatory, and Gaia distance estimates. Large scale spectroscopic surveys, such as APOGEE/APOGEE-2, now have sufficient radial velocity precision to directly confirm the signature of giant exoplanets, making such data sets valuable tools in the TESS-era. Continual monitoring of TOI-150 by TESS can reveal additional planets and subsequent observations can provide insights into planetary system architectures involving a hot Jupiter around a star about halfway through its main-sequence life.
Source:	arXiv, 1902.9710
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