Errai (Star)
Color-magnitude diagram
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
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From Ashburn , 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
|
Other names
Position
| Right ascension: | 23h39m20s [2] |
| Declination: | +77°37'56" [2] |
| Constellation: | Cepheus |
| Magnitude: Variable | 3.21 (V) [2] 4.53 (BT) [2] 3.32 (VT) [2] |
| Distance: | 14.1 parsec 46.0 lightyrs [3] |
| B-V Color (mag): | 1.03 |
| Proper motion (speed): | 135.4 mas/yr[3] |
| Proper motion (pos ang): | 339.3° |
Derived quantities
| Absolute mag (V): | 2.47 |
Visibility from Ashburn
All times shown in Ashburn local time.