Alderamin (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 Ashburn (click to change), Alderamin is visible all night because it is circumpolar. It will be highest in the sky shortly before dawn, when it will be lost to twilight at around 04:44, 62° above your north-eastern horizon. At dusk, it will become visible at around 21:23 (EDT), 18° above your northern horizon.
|
Name
Alderamin
|
Object Type
Star
|
Position
| Constellation: | Cepheus |
| Magnitude: Variable | 2.47 (V)[2] 2.76 (BT)[1] 2.49 (VT)[1] |
| B-V Color (mag): | 0.25 |
| Right Ascension: | 21h18m34s [2] |
| Declination: | +62°35'07" [2] |
| Distance: | 15.5 parsec 50.4 lightyears [2] |
| Proper motion (speed): | 159.4 mas/yr [2] |
| Proper motion (pos ang): | 72.1° |
Derived Quantities
| Absolute Mag (V): | 1.52 |