Cebalrai (Star)
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 Cambridge , Cebalrai is visible all night. It will become visible at around 21:37 (EDT), 31° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 01:04, 52° above your southern horizon. It will be lost to dawn twilight at around 03:48, 37° above your south-western horizon.
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|
Name
Cebalrai
|
Object type
Star
|
Other names
Position
| Right ascension: | 17h43m28s [4] |
| Declination: | +04°34'04" [4] |
| Constellation: | Ophiuchus |
| Magnitude: | 2.75 (V) [2] 4.28 (BT) [2] 2.88 (VT) [2] 2.44 (G) [4] 3.40 (BP) [4] 2.11 (RP) [4] |
| Distance: | 25.5 parsec 83.1 lightyrs [4] |
| B-V Color (mag): | 1.19 |
| Proper motion (speed): | 164.8 mas/yr[4] |
| Proper motion (pos ang): | 345.3° |
Derived quantities
| Absolute mag (V): | 0.72 |
Visibility from Cambridge
All times shown in Cambridge local time.