The star τ-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 Fairfield , τ-Sgr is difficult to observe as it will appear no higher than 19° above the horizon. It is visible in the dawn sky, rising at 01:36 (EDT) – 4 hours and 25 minutes before the Sun – and reaching an altitude of 19° above the southern horizon before fading from view as dawn breaks at around 04:51.
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|
Name
τ-Sgr
|
Object Type
Star
|
Position
| Constellation: | Sagittarius |
| Magnitude: | 3.30 (V)[2] 4.82 (BT)[2] 3.43 (VT)[2] |
| B-V Color (mag): | 1.18 |
| Right Ascension: | 19h06m56s [2] |
| Declination: | -27°40'13" [2] |
| Distance: | 41.7 parsec 135.8 lightyrs [1] |
| Proper motion (speed): | 254.3 mas/yr [1] |
| Proper motion (pos ang): | 190.5° |
Derived Quantities
| Absolute Mag (V): | 0.20 |