czsky/en/star/R_TrA.md

346 B

name constellation created_by created_date updated_by updated_date
R TrA TrA editor.cs 2022-01-21 17:00:00 skybber 2022-04-03 08:10:35.759862

Cepheid changing its brightness by less than one magnitude: 6-6.8mag in a period of 3.389 days. For such a rapidly changing Cepheids, determining its brightness once a night is insufficient.