η-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 , η-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 04:44, 28° above your north-eastern horizon. At dusk, it will become visible at around 20:41 (EDT), 16° above your north-western horizon.
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|
Name
η-Cas
|
Object type
Star
|
Position
| Right ascension: | 00h49m05s [3] |
| Declination: | +57°48'59" [3] |
| Constellation: | Cassiopeia |
| Magnitude: | 3.46 (V) [3] 4.16 (BT) [2] 3.52 (VT) [2] |
| Distance: | 6.0 parsec 19.4 lightyrs [5] |
| B-V Color (mag): | 0.58 |
| Proper motion (speed): | 1.22 arcsec/yr[5] |
| Proper motion (pos ang): | 117.2° |
Derived quantities
| Absolute mag (V): | 4.59 |
Visibility from Cambridge
All times shown in Cambridge local time.