K2-295 b 与 K2-237 b：两颗凌星热木星
地球与行星天体物理
2020-02-07 v2
摘要
我们报道了由 K2 发现的两颗凌星热木星系统。K2-295（在 Campaign 8 中观测）是一颗 K5 型矮星，其宿主行星略小于木星，以 4.0 d 的周期轨道运行。我们独立发现了 K2-237 b（Campaign 11），其每 2.2 d 环绕一颗 F6 型矮星，且拥有比木星大 50 - 60% 的膨胀半径。我们使用通过 HARPS 与 FIES 光谱仪获得的高精度视向速度测量来测定行星质量。我们发现 K2-295 b 具有与土星相似的质量，而 K2-237 b 比木星略重。
引用
@article{arxiv.1807.05865,
title = {K2-295 b and K2-237 b: two transiting hot Jupiters},
author = {A. M. S. Smith and Sz. Csizmadia and D. Gandolfi and S. Albrecht and R. Alonso and O. Barragán and J. Cabrera and W. D. Cochran and F. Dai and H. Deeg and Ph. Eigmüller and M. Endl and A. Erikson and M. Fridlund and A. Fukui and S. Grziwa and E. W. Guenther and A. P. Hatzes and D. Hidalgo and T. Hirano and J. Korth and M. Kuzuhara and J. Livingston and N. Narita and D. Nespral and P. Niraula and G. Nowak and E. Palle and M. Pätzold and C. M. Persson and J. Prieto-Arranz and H. Rauer and S. Redfield and I. Ribas and V. Van Eylen},
journal= {arXiv preprint arXiv:1807.05865},
year = {2020}
}
备注
26 pages, 12 figures, accepted for publication in Acta Astronomica