Blue-white main-sequence star · Corvus
Algorab
Also known as: δ Corvi (δ Crv), HIP 60965
mag 2.987 light-years
About
Algorab (δ Corvi) is a blue-white main-sequence star of magnitude 2.9 in Corvus, about 87 light-years away.
How to find it
- Algorab is in the constellation Corvus.
- Best evenings: around mid-May it is highest at about 9 pm (10 pm in summer time); a month earlier, two hours later.
- Where on Earth: it is seen well, at least 10° up, from south of 63° N.
When it rises and sets tonight, how high it climbs and how much the Moon gets in the way are worked out in your browser for your place.
What you will see
- EyesEasy, even from town.
- Binoculars (10×50)A sharp point; binoculars bring out its colour and the fainter stars around it.
- Telescope (6–8 inch)Still a point of light at any magnification — stars are too far away to show a disc. Low in the sky, bright stars twinkle and flash colours.
Stars look the same in any instrument: brighter and sharper, but never bigger.
Facts
| Proper name | Algorab |
|---|---|
| Designation | δ Corvi (δ Crv) |
| Hipparcos number | HIP 60965 |
| Type | Blue-white main-sequence star |
| Spectral type | B9.5V |
| Colour | WhiteB−V colour index −0.01 |
| Magnitude | 2.9The smaller the number, the brighter. |
| Distance | 87 light-yearsThe light you see left it around 1939. |
| Proper motion | 0.25″ per year across the sky |
| Constellation | Corvus |
| Right ascension (J2000) | 12h 29m 51.9s |
| Declination (J2000) | −16° 30′ 55″ |
More in Corvus
Sources and credits
Star data: HYG Database by David Nash, CC BY-SA 4.0. All data sources →