30-Sgr (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 , 30-Sgr is visible in the dawn sky, rising at 23:37 (EDT) and reaching an altitude of 25° above the southern horizon before fading from view as dawn breaks at around 04:04.
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|
Name
30-Sgr
|
Object type
Star
|
Other names
Position
| Right ascension: | 18h50m50s [4] |
| Declination: | −22°09'44" [4] |
| Constellation: | Sagittarius |
| Magnitude: | 6.29 (V) [2] 6.73 (BT) [2] 6.32 (VT) [2] 6.21 (G) [4] 6.39 (BP) [4] 5.86 (RP) [4] |
| Distance: | 67.0 parsec 218.4 lightyrs [4] |
| B-V Color (mag): | 0.34 |
| Proper motion (speed): | 38.5 mas/yr[4] |
| Proper motion (pos ang): | 207.6° |
Derived quantities
| Absolute mag (V): | 2.16 |
Visibility from Cambridge
All times shown in Cambridge local time.