Astronotes5/20/2020

DY Centauri – stellar evolution while you watch

Apostolos Christou
By Simon Jeffery, AOP Research Astronomer  In 1930, Dorrit Hoffleit reported that star number #4749 in the Harvard List of variables had faded four times between 1897 and 1929, and identified it as an R Coronae Borealis (RCB) variable. RCB stars are luminous low-mass stars (red giants) with surfaces around […]