τ-Per (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From South El Monte , τ-Per is visible in the dawn sky, rising at 21:03 (PDT) and reaching an altitude of 56° above the north-eastern horizon before fading from view as dawn breaks at around 04:49.
|
Name
τ-Per
|
Object type
Star
|
Other names
Position
| Right ascension: | 02h54m15s [6] |
| Declination: | +52°45'44" [6] |
| Constellation: | Perseus |
| Magnitude: | 3.94 (V) [3] 4.86 (BT) [2] 4.02 (VT) [2] 3.71 (G) [6] 4.16 (BP) [6] 3.15 (RP) [6] |
| Distance: | 80.8 parsec 263.5 lightyrs [6] |
| B-V Color (mag): | 0.74 |
| Proper motion (speed): | 8.7 mas/yr[6] |
| Proper motion (pos ang): | 252.8° |
Derived quantities
| Absolute mag (V): | -0.63 |
Sources