τ-Cap (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , τ-Cap is visible in the dawn sky, rising at 00:19 (EDT) and reaching an altitude of 28° above the south-eastern horizon before fading from view as dawn breaks at around 03:52.
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Name
τ-Cap
|
Object type
Star
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Other names
Position
| Right ascension: | 20h39m16s [4] |
| Declination: | −14°57'17" [4] |
| Constellation: | Capricornus |
| Magnitude: | 5.24 (V) [2] 5.09 (BT) [2] 5.23 (VT) [2] 5.70 (G) [4] 5.14 (BP) [4] 5.30 (RP) [4] |
| Distance: | 348.4 parsec 1135.9 lightyrs [3] |
| B-V Color (mag): | -0.12 |
| Proper motion (speed): | 19.6 mas/yr[3] |
| Proper motion (pos ang): | 172.3° |
Derived quantities
| Absolute mag (V): | -2.47 |
Sources