NGTS-10b：迄今发现的最短周期热木星
地球与行星天体物理
2020-02-25 v2
摘要
我们报告了由下一代凌星巡天（NGTS）发现的一颗新的超短周期凌星热木星。NGTS-10b 的质量和半径分别为 M 和 R，并以 天的周期绕其宿主恒星运转，使其成为迄今发现的最短周期热木星。宿主是一颗 Gyr 老的 K5V 恒星（=\,K），具有太阳金属丰度（[Fe/H] = \,dex），显示出中等的恒星活动迹象。NGTS-10b 加入了超短周期木星的最短名单，它们是研究星-行星潮汐相互作用的主要候选体。NGTS-10b 仅在 个洛希半径处绕其宿主运转，我们假设恒星潮汐品质因子 ，计算出其中位剩余内旋时间为 \,Myr，且未来十年可测量的凌星时间偏移为 \,秒。
引用
@article{arxiv.1909.12424,
title = {NGTS-10b: The shortest period hot Jupiter yet discovered},
author = {James McCormac and Edward Gillen and James A. G. Jackman and David J. A. Brown and Daniel Bayliss and Peter J. Wheatley and Richard G. West and David R. Anderson and David J. Armstrong and Francois Bouchy and Joshua T. Briegal and Matthew R. Burleigh and Juan Cabrera and Sarah L. Casewell and Alexander Chaushev and Bruno Chazelas and Paul Chote and Benjamin F. Cooke and Jean C. Costes and Szilard Csizmadia and Philipp Eigmuller and Anders Erikson and Emma Foxell and Boris T. Gaensicke and Michael R. Goad and Maximilian N. Gunther and Simon T. Hodgkin and Matthew J. Hooton and James S. Jenkins and Gregory Lambert and Monika Lendl and Emma Longstaff and Tom Louden and Maximiliano Moyano and Louise D. Nielsen and Don Pollacco and Didier Queloz and Heike Rauer and Liam Raynard and Alexis M. S. Smith and Barry Smalley and Maritza Soto and Oliver Turner and Stephane Udry and Jose I. Vines and Simon. R. Walker and Christopher A. Watson},
journal= {arXiv preprint arXiv:1909.12424},
year = {2020}
}
备注
16 pages, 19 figures and 5 tables. Submitted 27 Sept 2019. Accepted 10 Jan 2020. Published 20 Feb 2020