τ-And (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , τ-And is visible in the evening sky, becoming accessible around 17:26 (EST), 49° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 21:06, 88° above your southern horizon. It will continue to be observable until around 03:47, when it sinks below 19° above your north-western horizon.
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 |
Sources