5.17
Apparent Mag1,300
Distance (ly)O9.5V
Spectral Type33,000
Temperature (K)Mu Columbae is a runaway O-type star ejected from the Orion Nebula region about 2.5 million years ago.
Stellar Data
Apparent Magnitude5.17
Absolute Magnitude-2.87
Distance1,300 light-years
Spectral TypeO9.5V
Temperature33,000 K
Luminosity20,000 L☉
Radius4.5 R☉
Mass16 M☉
Right Ascension05h 45m 59.9s
Declination-32° 18′ 23.2″
ConstellationColumba
Notable Facts
- Mu Columbae was ejected from Orion about 2.5 million years ago
- It is one of the fastest known runaway stars
- AE Aurigae was ejected in the opposite direction at the same time