Alpheratz (Star)
Color-magnitude diagram
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
Click and drag the chart above to pan around the sky, or use the mouse wheel to zoom.
Click to enlarge.
From Cambridge , Alpheratz is visible in the dawn sky, rising at 01:24 (EDT) – 3 hours and 59 minutes before the Sun – and reaching an altitude of 28° above the eastern horizon before fading from view as dawn breaks at around 04:24.
Begin typing the name of a town near to you, and then select the town from the list of options
which appear below.
|
Name
Alpheratz
|
Object type
Star
|
Other names
Position
| Right ascension: | 00h08m23s [3] |
| Declination: | +29°05'26" [3] |
| Constellation: | Andromeda |
| Magnitude: Variable | 2.06 (V) [3] 2.00 (BT) [2] 2.05 (VT) [2] |
| Distance: | 29.7 parsec 97.0 lightyrs [5] |
| B-V Color (mag): | -0.04 |
| Proper motion (speed): | 213.6 mas/yr[5] |
| Proper motion (pos ang): | 139.9° |
Derived quantities
| Absolute mag (V): | -0.31 |
Visibility from Cambridge
All times shown in Cambridge local time.