V638-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 , V638-Cas is visible all night. It will become visible at around 21:41 (EDT), 31° above your north-eastern horizon, as dusk fades to darkness. It will be lost to dawn twilight at around 03:56, 77° above your northern horizon.
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|
Name
V638-Cas
|
Object type
Star
|
Other names
Position
| Right ascension: | 23h02m43s [4] |
| Declination: | +55°14'11" [4] |
| Constellation: | Cassiopeia |
| Magnitude: Variable | 6.52 (V) [2] 6.42 (BT) [2] 6.51 (VT) [2] 6.51 (G) [4] 6.44 (BP) [4] 6.52 (RP) [4] |
| Distance: | 204.1 parsec 665.3 lightyrs [4] |
| B-V Color (mag): | -0.08 |
| Proper motion (speed): | 18.3 mas/yr[4] |
| Proper motion (pos ang): | 80.2° |
Derived quantities
| Absolute mag (V): | -0.03 |
Visibility from Cambridge
All times shown in Cambridge local time.