Bright Stars by Bayer Designation: Binary and Multiple Stars Codexery

Eta Piscis Austrini

Binary star system with a Be star and Maia variable.

Eta Piscis Austrini is a binary star system in Piscis Austrinus. The pair have a combined apparent visual magnitude of +5.43, bright enough to be seen with the naked eye. The system is located roughly 820 light years from the Sun. Its brightness varies between magnitude 5.33 and 5.44, tentatively attributed to a combination of a Be star and Maia variable.

Quick Facts

Combined apparent visual magnitude
+5.43
Parallax
3.99 mas
Distance
820 light years
Primary spectral type
B6 III
Secondary spectral type
B8.5 V

Facts from the source article.

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