Castor (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 Fairfield , Castor will become visible around 20:51 (EDT) as the dusk sky fades, 47° above your western horizon. It will then sink towards the horizon, setting at 01:39.
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|
Name
Castor
|
Object Type
Star
|
Position
| Constellation: | Gemini |
| Magnitude: Variable | 1.58 (V) [2] |
| B-V Color (mag): | 0.03 |
| Right ascension: | 07h34m36s [2] |
| Declination: | +31°53'19" [2] |
| Distance: | 15.6 parsec 50.8 lightyrs [3] |
| Proper motion (speed): | 240.3 mas/yr [3] |
| Proper motion (pos ang): | 232.8° |
Derived Quantities
| Absolute mag (V): | 0.61 |
Visibility from Fairfield
All times shown in Fairfield local time.