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Loading contentBubup is a wolf-rayet star in the constellation Mensa (Mensae), lying about 124.96 light-years from Earth.
Wolf-Rayet. Evolved, massive stars shedding their outer layers in powerful stellar winds. Such stars have surface temperatures around ≥ 30,000 K and appear blue to the eye.
| Spectral type | WN... |
| Apparent magnitude | 6.69 |
| Absolute magnitude | 3.77 |
| Luminosity (Sun = 1) | 2.696 |
| Colour index (B−V) | 0.584 |
| Distance | 124.96 ly (38.31 pc) |
Values are real catalogue data; fields without a reliable value are omitted, never estimated.
A Wolf-Rayet star is a hot, evolved, massive star driving away its outer layers in fierce stellar winds, often a prelude to a supernova.
Facts on this topic will be cited from these primary and reference sources.
Aggregated, openly-licensed star catalogue combining Hipparcos, the Yale Bright Star Catalogue, and the Gliese Catalogue of Nearby Stars.
High-precision parallax, magnitude, and position for ~118,000 stars.