σ-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 , σ-Per is visible all night. It will become visible at around 17:27 (EST), 32° above your north-eastern horizon, as dusk fades to darkness. It will be lost to dawn twilight at around 05:29, 27° above your north-western horizon.
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|
Name
σ-Per
|
Object type
Star
|
Other names
Position
| Right ascension: | 03h30m34s [4] |
| Declination: | +47°59'43" [4] |
| Constellation: | Perseus |
| Magnitude: Variable | 4.34 (V) [2] 6.13 (BT) [2] 4.49 (VT) [2] 3.87 (G) [4] 4.61 (BP) [4] 3.05 (RP) [4] |
| Distance: | 105.2 parsec 342.9 lightyrs [4] |
| B-V Color (mag): | 1.39 |
| Proper motion (speed): | 19.4 mas/yr[4] |
| Proper motion (pos ang): | 11.8° |
Derived quantities
| Absolute mag (V): | -0.77 |
Visibility from Cambridge
All times shown in Cambridge local time.