| Identity |
| Name: | Mirfak, alpha Persei |
| Hipparcos catalog ID: | 15863 |
| Other star catalog entries: | HD 20902
SAO 38787
BD B+49 917
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| Appearance |
| Visual magnitude: | 1.79 (source: ground based) |
| Spectral type: | F5Ib |
| |
| Position and motion (Epoch J1991.25) in J2000 reference frame |
| Right ascension | 3h 24m 19.34860s (+/-0.00002s) |
| Declination | 49° 51' 40.4750" (+/-0.0001") |
| Parallax: | 6.44 (+/-0.17) mas |
| Derived distance: | 506 light-years |
| Proper motion in R.A.: | 23.75 (+/-0.16) mas/year |
| Proper motion in declination: | -26.23 (+/-0.15) mas/year |
| Constellation: | Perseus | |