TOI-712: a system of adolescent mini-Neptunes extending to the habitable zone
Sydney Vach, Samuel N. Quinn, Andrew Vanderburg, Stephen R. Kane,, Karen A. Collins, Adam L. Kraus, George Zhou, Amber A. Medina, Richard P., Schwarz, Kevin I. Collins, Dennis M. Conti, Chris Stockdale, Bob Massey, Olga, Suarez, Tristan Guillot, Djamel Mekarnia, Lyu Abe

TL;DR
This paper reports the discovery of a young, multi-planet system around star TOI-712, including mini-Neptunes and a candidate near the habitable zone, providing insights into early planetary evolution.
Contribution
First detailed characterization of a young multi-planet system with mini-Neptunes near the habitable zone using TESS data.
Findings
Discovered three transiting mini-Neptunes and one Earth-sized candidate.
System age estimated between 500 Myr and 1.1 Gyr.
One planet candidate located near the habitable zone.
Abstract
As an all-sky survey, NASA's mission is able to detect the brightest and rarest types of transiting planetary systems, including young planets that enable study of the evolutionary processes that occur within the first billion years. Here, we report the discovery of a young, multi-planet system orbiting the bright K4.5V star, TOI-712 (, , , K). From the light curve, we measure a rotation period of 12.48 days, and derive an age between about Myr and 1.1 Gyr. The photometric observations reveal three transiting mini-Neptunes (, , ), with orbital periods of days, days, and days. After…
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Taxonomy
TopicsStellar, planetary, and galactic studies · Astronomy and Astrophysical Research · Astrophysics and Star Formation Studies
