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 22:37 (PDT) and reaching an altitude of 39° above the north-eastern horizon before fading from view as dawn breaks at around 04:31.
|
Name
τ-Per
|
Object type
Star
|
Position
| Right ascension: | 02h54m15s [3] |
| Declination: | +52°45'44" [3] |
| Constellation: | Perseus |
| Magnitude: Variable | 3.94 (V) [3] 4.86 (BT) [2] 4.02 (VT) [2] |
| Distance: | 77.9 parsec 254.1 lightyrs [5] |
| B-V Color (mag): | 0.74 |
| Proper motion (speed): | 4.5 mas/yr[5] |
| Proper motion (pos ang): | 196.1° |
Derived quantities
| Absolute mag (V): | -0.52 |
Sources