| Identity |
| Name: | Alpheratz, alpha Andromedae |
| Hipparcos catalog ID: | 677 |
| Other star catalog entries: | HD 358
SAO 73765
BD B+28 4
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| |
| Appearance |
| Visual magnitude: | 2.07 (source: Hipparcos) |
| Spectral type: | B9p |
| |
| Position and motion (Epoch J1991.25) in J2000 reference frame |
| Right ascension | 0h 8m 23.16812s (+/-0.00002s) |
| Declination | 29° 5' 26.9821" (+/-0.0002") |
| Parallax: | 33.62 (+/-0.35) mas |
| Derived distance: | 97.0 light-years |
| Proper motion in R.A.: | 137.46 (+/-0.38) mas/year |
| Proper motion in declination: | -163.44 (+/-0.21) mas/year |
| Constellation: | Andromeda | |