Alpheratz (Star)

Color-magnitude diagram
Image of Alpheratz
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
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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
Other Names
α-And
21-And
HR 15
HD 358
HIP 677
TYC 1735-3180-1
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

Cambridge

Latitude:
Longitude:
Timezone:

42.38°N
71.11°W
EDT

Color scheme