The star 21-Sgr
Color-magnitude diagram
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
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From Ashburn , 21-Sgr will become visible around 20:10 (EDT) as the dusk sky fades, 29° above your southern horizon. It will then sink towards the horizon, setting at 00:25.
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|
Name
21-Sgr
|
Object Type
Star
|
Position
| Constellation: | Sagittarius |
| Magnitude: | 4.87 (V) [1] 6.78 (BT) [1] 5.03 (VT) [1] 4.28 (G) [2] 5.17 (BP) [2] 3.49 (RP) [2] |
| B-V Color (mag): | 1.49 |
| Right ascension: | 18h25m21s [2] |
| Declination: | -20°32'30" [2] |
| Distance: | 139.3 parsec 454.2 lightyrs [2] |
| Proper motion (speed): | 25.4 mas/yr [2] |
| Proper motion (pos ang): | 167.7° |
Derived Quantities
| Absolute mag (V): | -0.85 |