σ-Ara (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 , σ-Ara is not readily observable since it lies so far south that it will never rise more than 1° above the horizon.
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|
Name
σ-Ara
|
Object type
Star
|
Other names
Position
| Right ascension: | 17h35m39s [4] |
| Declination: | −46°30'21" [4] |
| Constellation: | Ara |
| Magnitude: | 4.56 (V) [2] 4.53 (BT) [2] 4.56 (VT) [2] 4.52 (G) [4] 4.54 (BP) [4] 4.51 (RP) [4] |
| Distance: | 117.3 parsec 382.2 lightyrs [4] |
| B-V Color (mag): | -0.03 |
| Proper motion (speed): | 46.7 mas/yr[4] |
| Proper motion (pos ang): | 212.4° |
Derived quantities
| Absolute mag (V): | -0.78 |
Visibility from Cambridge
All times shown in Cambridge local time.