Canes Venatici
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Template:Infobox Constellation
Canes Venatici (Latin for hunting dogs) is a small northern constellation that was introduced by Johannes Hevelius in the 17th century. It is supposed to represent the dogs Chara and Asterion held on a leash by Boötes.
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Notable features
Canes Venatici is one of three constellations that represent dogs, along with Canis Major and Canis Minor. The constellation's brightest star is α CVn, whose proper name is Cor Caroli, named by Edmund Halley in memory of the English King Charles I. It is of magnitude 2.90.
Y CVn, sometimes known as "La Superba", is a semiregular variable star that varies between magnitudes 4.7 and 6.2 over a period of around 158 days. It is a very red star.
Notable deep sky objects
Canes Venatici contains five Messier objects, including five galaxies. One of the more significant galaxies in Canes Venatici is the Whirlpool Galaxy, M51 (NGC 5194 and NGC 5195), a spiral galaxy that is seen face on. This was the first galaxy recognised as having a spiral structure, this structure being first observed by Lord Rosse in 1845.
M51.arp.500pix.jpg
Other galaxies in Canes Venatici include the Sunflower Galaxy (M63 or NGC 5055), Spiral Galaxy M94, and Spiral Galaxy M106,
Messier 3 (M3, or NGC 5272) is a globular cluster. It is 18′ in diameter, and at magnitude 6.3 is bright enough to be seen in binoculars.
Table of leading stars
This table lists all stars in Canes Venatici with either a Bayer designation or a Flamsteed designation.
| Common name | Bayer designation | Flamsteed designation | Variable designation | Other designations | Right ascension | Declination | Magnitude |
|---|---|---|---|---|---|---|---|
| 2 | ADS 8489 | 12h 16m 07.6s | +40° 39′ 37″ | 5.66 | |||
| 3 | 12h 19m 48.7s | +48° 59′ 03″ | 5.29 | ||||
| 4 | AI | 12h 23m 47.0s | +42° 32′ 34″ | 6.06v | |||
| 5 | Var | 12h 24m 01.5s | +51° 33′ 44″ | 4.80v | |||
| 6 | 12h 25m 50.9s | +39° 01′ 07″ | 5.02 | ||||
| 7 | 12h 30m 02.9s | +51° 32′ 08″ | 6.21 | ||||
| β | 8 | 12h 33m 44.5s | +41° 21′ 27″ | 4.26 | |||
| 9 | 12h 38m 46.3s | +40° 52′ 28″ | 6.37 | ||||
| 10 | 12h 44m 59.5s | +39° 16′ 44″ | 5.95 | ||||
| 11 | 12h 48m 41.8s | +48° 28′ 01″ | 6.27 | ||||
| Cor Caroli | α | 12 | ADS 8706 | 12h 56m 01.7s | +38° 19′ 06″ | 2.90 | |
| 14 | 13h 05m 44.5s | +35° 47′ 56″ | 5.25 | ||||
| 15 | ADS 8805 | 13h 09m 42.0s | +38° 32′ 02″ | 6.28 | |||
| 17 | ADS 8805 | 13h 10m 03.2s | +38° 29′ 56″ | 5.91 | |||
| 19 | 13h 15m 32.0s | +40° 51′ 19″ | 5.79 | ||||
| 20 | AO | 13h 17m 32.5s | +40° 34′ 21″ | 4.73v | |||
| 21 | BK | 13h 18m 14.5s | +49° 40′ 55″ | 5.15v | |||
| 23 | 13h 20m 19.0s | +40° 09′ 02″ | 5.60 | ||||
| 24 | 13h 34m 27.3s | +49° 00′ 58″ | 4.70 | ||||
| 25 | ADS 8974 | 13h 37m 27.6s | +36° 17′ 42″ | 4.82 |
Source: The Bright Star Catalogue, 5th Revised Ed.
Stars
- Stars with proper names:
- Cor Caroli (12/α2 CVn) or Chara? 2.89 – α2 CVn variable prototype
- = The heart of Charles II [the star brightened after his coronation]
- 12/α1 CVn 5.61 – optical companion
- Chara or Asterion? (8/β CVn) 4.26 – nearby star
- < χαρά Joy, dear
- La Superba (Y CVn) 4.99 – carbon star
- Cor Caroli (12/α2 CVn) or Chara? 2.89 – α2 CVn variable prototype
- Stars with Bayer designations:
- Stars with Flamsteed designations:
Template:ConstellationsByHevelius Template:ConstellationList
External links
- The Deep Photographic Guide to the Constellations: Canes Venatici (http://www.allthesky.com/constellations/canesvenatici/)ca:Canes Venatici
de:Jagdhunde (Sternbild) es:Canes Venatici fr:Chiens de chasse ko:사냥개자리 id:Canes Venatici it:Canes Venatici nl:Canes venatici ja:りょうけん座 pl:Psy Gończe (gwiazdozbiór) pt:Canes Venatici fi:Ajokoirat th:กลุ่มดาวหมาล่าเนื้อ