ρ¹-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 , ρ¹-Sgr will become visible at around 17:27 (EST), 20° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 3 hours and 39 minutes after the Sun at 19:55.
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|
Name
ρ¹-Sgr
|
Object type
Star
|
Other names
Position
| Right ascension: | 19h21m40s [4] |
| Declination: | −17°50'49" [4] |
| Constellation: | Sagittarius |
| Magnitude: Variable | 3.91 (V) [2] 4.18 (BT) [2] 3.94 (VT) [2] 3.89 (G) [4] 4.00 (BP) [4] 3.64 (RP) [4] |
| Distance: | 40.0 parsec 130.4 lightyrs [4] |
| B-V Color (mag): | 0.21 |
| Proper motion (speed): | 34.3 mas/yr[4] |
| Proper motion (pos ang): | 309.0° |
Derived quantities
| Absolute mag (V): | 0.90 |
Visibility from Cambridge
All times shown in Cambridge local time.