4-Cas (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 Cambridge , 4-Cas 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 04:27, 41° above your north-eastern horizon. At dusk, it will become visible at around 20:54 (EDT), 15° above your northern horizon.
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|
Name
4-Cas
|
Object type
Star
|
Other names
Position
| Right ascension: | 23h24m50s [4] |
| Declination: | +62°16'57" [4] |
| Constellation: | Cassiopeia |
| Magnitude: Variable | 4.98 (V) [2] 7.13 (BT) [2] 5.16 (VT) [2] 4.16 (G) [4] 5.22 (BP) [4] 3.16 (RP) [4] |
| Distance: | 256.9 parsec 837.3 lightyrs [4] |
| B-V Color (mag): | 1.68 |
| Proper motion (speed): | 16.0 mas/yr[4] |
| Proper motion (pos ang): | 134.6° |
Derived quantities
| Absolute mag (V): | -2.07 |
Visibility from Cambridge
All times shown in Cambridge local time.