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 , Alderamin is visible all night because it is circumpolar. It will be highest in the sky at dusk, becoming accessible at around 18:05 (EST), 45° above your north-western horizon. It will be lost to dawn twilight at around 06:28, 25° above your north-eastern horizon.
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|
Name
Alderamin
|
Object Type
Star
|
Position
| Constellation: | Cepheus |
| Magnitude: Variable | 2.47 (V)[2] 2.49 (VT)[1] 2.76 (BT)[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 |