τ-And (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 , τ-And is visible in the dawn sky, rising at 21:50 (EDT) and reaching an altitude of 49° above the eastern horizon before fading from view as dawn breaks at around 03:45.
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|
Name
τ-And
|
Object type
Star
|
Other names
Position
| Right ascension: | 01h40m34s [2] |
| Declination: | +40°34'37" [2] |
| Constellation: | Andromeda |
| Magnitude: Variable | 4.95 (V) [2] 4.84 (BT) [2] 4.94 (VT) [2] |
| Distance: | 218.3 parsec 711.8 lightyrs [3] |
| B-V Color (mag): | -0.09 |
| Proper motion (speed): | 28.6 mas/yr[3] |
| Proper motion (pos ang): | 146.1° |
Derived quantities
| Absolute mag (V): | -1.74 |
Visibility from Cambridge
All times shown in Cambridge local time.