BD+20 1790 radial velocities and photometry

In a previous paper we reported a planetary companion to the young and very active K5Ve star BD+20 1790. This paper aims to more rigorously assess the nature of the radial...此前我们曾在一篇学术论文中报道了年轻且高活动度的K5Ve型恒星BD+20 1790的一颗行星伴星。本文旨在更严谨地评估径向……的本质。