Unukalhai (Star)
From Cambridge , Unukalhai is difficult to observe as it will appear no higher than 17° above the horizon. It is visible in the dawn sky, rising at 04:14 (EST) – 2 hours and 39 minutes before the Sun – and reaching an altitude of 17° above the eastern horizon before fading from view as dawn breaks at around 05:50.
Name
Unukalhai
|
Object type
Star
|
Right ascension: | 15h44m16s [6] |
Declination: | +06°25'32" [6] |
Constellation: | Serpens Caput |
Magnitude: | 2.63 (V) [3] 4.17 (BT) [2] 2.76 (VT) [2] 2.33 (G) [6] 3.32 (BP) [6] 1.98 (RP) [6] |
Distance: | 22.8 parsec 74.2 lightyrs [6] |
B-V Color (mag): | 1.18 |
Proper motion (speed): | 141.5 mas/yr[6] |
Proper motion (pos ang): | 71.2° |
Absolute mag (V): | 0.84 |
All times shown in Cambridge local time.