τ-Ori (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , τ-Ori will become visible at around 20:19 (EDT), 25° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 3 hours and 44 minutes after the Sun at 22:54.
Name
τ-Ori
|
Object type
Star
|
Other names
Position
Right ascension: | 05h17m36s [4] |
Declination: | −06°50'40" [4] |
Constellation: | Orion |
Magnitude: | 3.57 (V) [2] 3.44 (BT) [2] 3.56 (VT) [2] 3.59 (G) [4] 3.59 (BP) [4] 3.63 (RP) [4] |
Distance: | 166.3 parsec 542.0 lightyrs [4] |
B-V Color (mag): | -0.10 |
Proper motion (speed): | 20.2 mas/yr[4] |
Proper motion (pos ang): | 241.5° |
Derived quantities
Absolute mag (V): | -2.54 |
Sources