Magnitude 4.81 | Constellation Sextans | |
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21 Sagittarii (21 Sgr) is a class K2II (orange bright giant) star in the constellation Sagittarius. Its apparent magnitude is 4.81 and it is approximately 410 light years away based on parallax.
It has one companion, B, at separation 1.7" and magnitude 7.43, with type reported as A5.
References
21 Sagittarii Wikipedia(Text) CC BY-SA