Rukbat (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 , Rukbat is not readily observable since it lies so far south that it will never rise more than 7° above the horizon.
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|
Name
Rukbat
|
Object type
Star
|
Other names
Position
| Right ascension: | 19h23m53s [4] |
| Declination: | −40°36'59" [4] |
| Constellation: | Sagittarius |
| Magnitude: | 3.94 (V) [2] 3.82 (BT) [2] 3.93 (VT) [2] 3.95 (G) [4] 3.89 (BP) [4] 4.00 (RP) [4] |
| Distance: | 55.2 parsec 180.0 lightyrs [4] |
| B-V Color (mag): | -0.09 |
| Proper motion (speed): | 124.2 mas/yr[4] |
| Proper motion (pos ang): | 165.2° |
Derived quantities
| Absolute mag (V): | 0.23 |
Visibility from Cambridge
All times shown in Cambridge local time.