czsky/en/star/R_TrA.md

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---
name: R TrA
constellation: TrA
created_by: editor.cs
created_date: 2022-01-21 17:00:00
updated_by: skybber
updated_date: 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.