Magnitude 4.92 Apparent magnitude (V) 4.92 | Constellation Monoceros | |
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3 Monocerotis is a class B5III (blue giant) star in the constellation Monoceros. Its apparent magnitude is 4.92 and it is approximately 780 light years away based on parallax.
In addition to the primary, which is itself a spectroscopic binary, there is one companion, B, with magnitude 7.96 and separation 1.9".
References
3 Monocerotis Wikipedia(Text) CC BY-SA