2.83
Apparent Mag390
Distance (ly)B2IV
Spectral Type21,500
Temperature (K)Algenib marks the southeastern corner of the Great Square of Pegasus. It is a Beta Cephei variable pulsating every 3.6 hours.
Stellar Data
Apparent Magnitude2.83
Absolute Magnitude-2.7
Distance390 light-years
Spectral TypeB2IV
Temperature21,500 K
Luminosity5,840 L☉
Radius4.8 R☉
Mass8.9 M☉
Right Ascension00h 13m 14.2s
Declination+15° 11′ 01.0″
ConstellationPegasus
Notable Facts
- Algenib is a Beta Cephei variable pulsating every 3.6 hours
- It completes the fourth corner of the Great Square of Pegasus
- The name means the side in Arabic