OBSERVING VARIABLE STARS
The
by Greg Bryant
Ups and Downs
of RCB Stars
OR ANGE STAR: ESO; LIGHT CURVE: S&T
ILLUSTR ATION / DATA COURTESY A AVSO
These intriguing variables are as rare as they are fascinating.
30
MARCH 2 021 * SK Y & TELESCOPE
Sky & Telescope - March 2021
Table of Contents for the Digital Edition of Sky & Telescope - March 2021