Errai (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 , Errai is very well placed – it is close enough to the north celestial pole that it is high above the horizon all night.
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|
Name
Errai
|
Object Type
Star
|
Position
| Constellation: | Cepheus |
| Magnitude: Variable | 3.21 (V) [1] 4.53 (BT) [1] 3.32 (VT) [1] |
| B-V Color (mag): | 1.03 |
| Right ascension: | 23h39m20s [1] |
| Declination: | +77°37'56" [1] |
| Distance: | 14.1 parsec 46.0 lightyrs [2] |
| Proper motion (speed): | 135.4 mas/yr [2] |
| Proper motion (pos ang): | 339.3° |
Derived Quantities
| Absolute mag (V): | 2.47 |