Rigel. I. MOST photometry and RV monitoring

Rigel ({beta} Ori, B8 Ia) is a nearby blue supergiant displaying {alpha} Cyg type variability, and is one of the nearest Type II supernova progenitors. As such it is an...参宿七（Rigel，β Ori，B8 Ia）是一颗邻近的蓝超巨星（blue supergiant），呈现出天鹅座α型（α Cyg）变星的光变特性，同时亦是距离地球最近的II型超新星（Type II supernova）前身星之一。正因如此，它是一类……