Lovački psi (zviježđe)

Lovački Psi (lat.:Canes venatici)
Canes venatici
klikni za veću sliku
Kratica CVn
Genitiv Canum Venaticorum
Simbolizira: Lovački psi
Rektascenzija 13 h
Deklinacija +40°
Površina 465 sq. deg. (rang: 38..)
Broj zvijezda
sjajnijih od m = 3 		1
Najsjanija zvijezda Cor Caroli (α CVn)
(Priv. mag. 2.90)
Meteorski pljuskovi
Susjedna
zviježđa
Vidljivo u rasponu zemljopisnih širina: +90° i −40°
U najboljem položaju za promatranje u 21h je u mjesecu svibnju.
vidi i Kategorija:Lovački psi (zviježđe)

Lovački Psi (lat. Canes Venatici) je malo zviježđe sjevernog neba, koje je u 17. stoljeću uveo Johannes Hevelius. Zviježđe predstavlja dva psa koja na uzici drži Volar. Dvije najsjajnije zvijezde u zviježđu nose imena pasa - Chara i Asteroin.

Zanimljivosti

Lovački Psi je jedno od 3 zviježđa koje predstavljaju pse - preostala dva su Veliki Pas i Mali Pas.

Najsjajnija zvijezda u zviježđu je α CVn tj. Cor Caroli (Karlovo Srce). Ime joj je dao Edmund Halley, u čast engleskog kralja Charlesa I.. Njen prividni sjaj je 2.90m.

γ CVn, zvana i La Superba, je polupravilna promjenjiva koja mijenja sjaj između 4.7m i 6.2m tijekom perioda od oko 158 dana. La Superba je zvijezda izraženo crvene boje.

Najzanimljiviji objekti dubokog svemira

U Lovačkim Psima nalazi se 5 Messierovih objekata - 4 galaktike i jedan kuglasti skup.

Jedna od najpoznatijih galaktika u zviježđu, a i šire, je spiralna galaktika M 51 (galaktika Vir, NGC 5194) te nepravilna galaktika NGC 5195 koja se "nedavno" sudarila sa M51. M51 je prva galaktika kod koje je uočena spiralna struktura (Lord Rosse, 1845.).

Od ostalih galaktika u zviježđu, po sjaju se ističu M 63 (galaktika Suncokret, NGC 5055) te spiralne galaktike M 94 i M 106.

M 3 (NGC 5272) je kuglasti skup prividnog promjera 18', sjaj 6.3m. Dovoljno je sjajan da ga se lako uoči i u malom dvogledu.

Odabrane zvijezde

Navedene su zvijezde kojima je pridijeljeno ime, bayerova ili flamsteedova oznaka, te neke koje se po nečemu ističu.

Ime Bayer Flamsteed oznaka promjenjive ostale oznake Rektascenzija Deklinacija Prividni sjaj
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

Izvor: The Bright Star Catalogue, 5th Revised Ed.


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