τ-Gem (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , τ-Gem will become visible at around 20:19 (EDT), 71° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 03:22.
Name
τ-Gem
|
Object type
Star
|
Other names
Position
Right ascension: | 07h11m08s [4] |
Declination: | +30°14'41" [4] |
Constellation: | Gemini |
Magnitude: Variable | 4.40 (V) [2] 6.05 (BT) [2] 4.53 (VT) [2] 4.02 (G) [4] 4.66 (BP) [4] 3.27 (RP) [4] |
Distance: | 120.1 parsec 391.5 lightyrs [4] |
B-V Color (mag): | 1.29 |
Proper motion (speed): | 57.4 mas/yr[4] |
Proper motion (pos ang): | 212.3° |
Derived quantities
Absolute mag (V): | -1.00 |
Sources