τ¹-Hya (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From South El Monte , τ¹-Hya is visible in the dawn sky, rising at 03:11 (PDT) – 3 hours and 39 minutes before the Sun – and reaching an altitude of 30° above the south-eastern horizon before fading from view as dawn breaks at around 05:51.
Name
τ¹-Hya
|
Object type
Star
|
Position
Right ascension: | 09h29m08s [2] |
Declination: | −02°46'08" [2] |
Constellation: | Hydra |
Magnitude: | 4.59 (V) [2] 4.92 (VT) [2] |
Distance: | 17.3 parsec 56.5 lightyrs [3] |
B-V Color (mag): | 0.41 |
Proper motion (speed): | 99.0 mas/yr[3] |
Proper motion (pos ang): | 91.5° |
Derived quantities
Absolute mag (V): | 3.40 |
Sources