η-Per (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-Per is visible in the dawn sky, becoming accessible around 03:15 (EDT), when it reaches an altitude of 17° above your north-eastern horizon. It will then reach an altitude of 21° before fading from view as dawn breaks at 03:56.
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|
Name
η-Per
|
Object type
Star
|
Other names
Position
| Right ascension: | 02h50m41s [4] |
| Declination: | +55°53'43" [4] |
| Constellation: | Perseus |
| Magnitude: | 3.76 (V) [2] 5.94 (BT) [2] 3.94 (VT) [2] 3.14 (G) [4] 4.17 (BP) [4] 2.42 (RP) [4] |
| Distance: | 306.2 parsec 998.2 lightyrs [4] |
| B-V Color (mag): | 1.70 |
| Proper motion (speed): | 21.2 mas/yr[4] |
| Proper motion (pos ang): | 129.6° |
Derived quantities
| Absolute mag (V): | -3.67 |
Visibility from Cambridge
All times shown in Cambridge local time.