τ-Ori (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-Ori is difficult to observe as it will appear no higher than 18° above the horizon. It will become visible at around 20:30 (EDT), 18° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 2 hours and 59 minutes after the Sun at 22:19.
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|
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 |
Visibility from Cambridge
All times shown in Cambridge local time.