| Corvus | |
| Pronunciation | KOR vus |
| Abbreviation | Crv |
| Genitive | Corvi |
| Pronunciation | KOR vee |
| Meaning in English | the Crow |
| Right ascension | 12 h |
| Declination | -20° |
| Visible to latitude | Between 60° and -90° |
| On meridian | 21:00 May 10 |
| Area - Total | Ranked 70th 184 sq. deg. |
| Stars with apparent magnitude < 3 |
2 |
| Brightest star - Apparent magnitude | Gienah 2.59 |
| Meteor showers | Corvids (26 June) |
| Bordering constellations | •Virgo •Crater •Hydra |
Corvus (Latin - the crow, or raven) is a small southern constellation with only 11 stars visible to the naked eye (brighter than magnitude 5.5). It was one of the 48 constellations listed by Ptolemy, and also counts among the 88 modern constellations.
| Table of contents |
|
2 Notable stars 3 Mythology |
Notable deep sky objects
Corvus contains no Messier objects. The Ringtail peculiar galaxy consists of the possibly colliding NGC 4038 and NGC 4039, and appears to have a heart shape as seen from Terra.
| BD | Names and catalog numbers | Magnitude | Ly away | Comment |
|---|---|---|---|---|
| γ | Gienah, Gienah Ghurab, HD106625106625 | 2.59 | 190 | |
| β | Kraz, HD109379 | 2.65 | 96 | |
| δ | Algorab, Algoral, Algorel, Algores, ADS 8572, HD108767 | 3.0 9.2 | 120 or 88? | White primary star and a pale purple companion. |
| ε | Minkar, HD105707 | 3.00 | 140 | |
| α | Al Chiba, Al Minliar al Ghurab, Alchiba, Alchita, Alkhiba, HD105452 | 4.02 | 49 | |
| ζ | HD107348 | 5.2 13.7 | 360 | Double star. |
| VV | Struve 1669, ADS 8627 | 6.0 6.0 | 278 | Quadruple. |
| R | 6.7 / 14.4 | Variable star with a 317.03 day cycle. | ||
| Ross 695, HIP 60559 | 12.4 | 29.64 | Very close to Sol, with a proper motion of 2.52 seconds of arc per year. |
δ, γ, ε, and β form the 'sail' asterism; and γ and δ serve as pointers toward (Spica).
Mythology
In Greek mythology the crow is sent to fetch a cup (Crater (constellation)) of water but instead returns with a water snake (Hydra (constellation)).