The star τ-Sgr
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 Ashburn , τ-Sgr is not observable – it will reach its highest point in the sky during daytime and is no higher than 10° above the horizon at dawn.
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|
Name
τ-Sgr
|
Object Type
Star
|
Position
| Constellation: | Sagittarius |
| Magnitude: | 3.30 (V) [1] 4.82 (BT) [1] 3.43 (VT) [1] |
| B-V Color (mag): | 1.18 |
| Right ascension: | 19h06m56s [1] |
| Declination: | -27°40'13" [1] |
| Distance: | 37.3 parsec 121.6 lightyrs [2] |
| Proper motion (speed): | 254.9 mas/yr [2] |
| Proper motion (pos ang): | 191.5° |
Derived Quantities
| Absolute mag (V): | 0.44 |
Visibility from Ashburn
All times shown in Ashburn local time.