Alpheratz (Star)
Color-magnitude diagram
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
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From Cambridge , Alpheratz is visible in the dawn sky, rising at 20:55 (EDT) – 8 hours and 31 minutes before the Sun – and reaching an altitude of 73° above the south-eastern horizon before fading from view as dawn breaks around 04:23.
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|
Name
Alpheratz
|
Object Type
Star
|
Position
| Constellation: | Andromeda |
| Magnitude: Variable | 2.06 (V)[2] 2.00 (BT)[1] 2.05 (VT)[1] |
| B-V Color (mag): | -0.04 |
| Right Ascension: | 00h08m23s [2] |
| Declination: | +29°05'26" [2] |
| Distance: | 29.7 parsec 97.0 lightyrs [3] |
| Proper motion (speed): | 213.6 mas/yr [3] |
| Proper motion (pos ang): | 139.9° |
Derived Quantities
| Absolute Mag (V): | -0.31 |