Mirfak

Alpha Persei

Perseus

1.79
Apparent Mag
510
Distance (ly)
F5Ib
Spectral Type
6,350
Temperature (K)

Mirfak is the brightest star in Perseus and the brightest member of the Alpha Persei Cluster, a yellow-white supergiant dominating a rich field of blue stars.

Stellar Data

Apparent Magnitude1.79
Absolute Magnitude-4.5
Distance510 light-years
Spectral TypeF5Ib
Temperature6,350 K
Luminosity5,000 L☉
Radius68 R☉
Mass8.5 M☉
Right Ascension03h 24m 19.4s
Declination+49° 51′ 40.2″
ConstellationPerseus

Notable Facts

  • Mirfak is the brightest member of the Alpha Persei moving group
  • Its name means elbow in Arabic
  • It is surrounded by a cluster of young blue stars

More Stars in Perseus

View constellation