V640-Cas (Star)
Color-magnitude diagram
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
Click and drag the chart above to pan around the sky, or use the mouse wheel to zoom.
Click to enlarge.
From Cambridge , V640-Cas is visible all night. It will become visible at around 21:11 (EDT), 31° above your north-eastern horizon, as dusk fades to darkness. It will be lost to dawn twilight at around 04:24, 72° above your northern horizon.
Begin typing the name of a town near to you, and then select the town from the list of options
which appear below.
|
Name
V640-Cas
|
Object type
Star
|
Position
| Right ascension: | 00h06m15s [3] |
| Declination: | +58°26'12" [3] |
| Constellation: | Cassiopeia |
| Magnitude: | 6.19 (V) [3] 7.00 (BT) [2] 6.27 (VT) [2] |
| Distance: | 21.5 parsec 70.0 lightyrs [4] |
| B-V Color (mag): | 0.66 |
| Proper motion (speed): | 247.7 mas/yr[4] |
| Proper motion (pos ang): | 86.4° |
Derived quantities
| Absolute mag (V): | 4.53 |
Visibility from Cambridge
All times shown in Cambridge local time.