θ-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 , θ-Per is visible all night. It will become visible at around 17:24 (EST), 53° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 20:55, 83° above your northern horizon. It will continue to be observable until around 04:32, when it sinks below 18° above your north-western horizon.
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|
Name
θ-Per
|
Object type
Star
|
Other names
Position
| Right ascension: | 02h44m12s [6] |
| Declination: | +49°13'40" [6] |
| Constellation: | Perseus |
| Magnitude: Variable | 4.11 (V) [3] 4.70 (BT) [2] 4.16 (VT) [2] 3.98 (G) [6] 4.25 (BP) [6] 3.55 (RP) [6] |
| Distance: | 11.2 parsec 36.3 lightyrs [6] |
| B-V Color (mag): | 0.50 |
| Proper motion (speed): | 346.4 mas/yr[6] |
| Proper motion (pos ang): | 104.9° |
Derived quantities
| Absolute mag (V): | 3.87 |
Visibility from Cambridge
All times shown in Cambridge local time.