NGC 2820A

NGC 2820A
Podaci posmatranja
Epoha: J2000.0
SazviježđeVeliki medvjed[1]
Rektascenzija9sat. 21m 30,2s [2]
Deklinacija+64° 14' 18'' [2]
Crveni pomak0,005117[2]
Radijalna brzina1534 km/s [a]
Udaljenost21,6 Mpc, 70,5 Msg
(baz. na crveni pomak) [2]
Tipspiralna galaksija (S0-a) [2]
Prividne dimenzijeNajveći prečnik: 0,50 u.m. (10 Ksg [b])
Najmanji prečnik: 0,20 u.m. (4 Ksg [b]) [3]
Prividna magnituda (V)14,5 (vidljivo)
15,4 (B-Band) [2]
Površinska svjetlost (V)11,9 mag/u.m.2 [2]
Apsolutna magnituda (V)-17.17 mag (vidljivo)
-16.27 mag (B-band) [a]
Uglovna pozicija21° [2]
Ostale oznake
CGCG 312-4 • IC 2458 • 7ZW 276 • UGCA 159 • MK 108 • MCG 11-12-5 • PGC 26485[2][3]
Karta
Portal
Portal
Portal Astronomija

NGC 2820A (također poznat kao IC 2458, MCG 11-12-5, PGC 26485 i UGCA 159) je spiralna galaksija koja je udaljena oko 70 miliona sg od Zemlje i nalazi se u sazviježđu Veliki medvjed. Najveći prečnik je 0,50 (10 hiljada sg) a najmanji 0,2 uglovnih minuta (4 hiljade sg).[b] Prvo otkriće je napravio William Herschel 3. aprila 1791.

Najbliži NGC/IC objekti

Sljedeći spisak sadrži deset najbližih NGC/IC objekata.[c]

Ime Udaljenost od NGC 2820A
(uglovnih minuta)[3][c]
Rektascenzija (J2000)[3] Deklinacija (astronomija) (J2000)[3] Tip[3]
NGC 2820 0,07 9sat. 21m 46,0s +64° 15' 31'' prečkasta spiralna galaksija (SBc/P)
NGC 2814 0,08 9sat. 21m 11,5s +64° 15' 7'' spiralna galaksija (Sb)
NGC 2805 0,32 9sat. 20m 20,4s +64° 6' 10'' prečkasta spiralna galaksija (SBd)
NGC 2880 2,67 9sat. 29m 34,6s +62° 29' 28'' eliptična galaksija (E/SB0)
NGC 2742A 3,51 9sat. 9m 57,6s +62° 14' 49'' prečkasta spiralna galaksija (SBb/P)
NGC 2909 4,23 9sat. 36m 59,8s +65° 56' 28'' dvostruka zvijezda (*2)
NGC 2892 4,42 9sat. 32m 52,8s +67° 37' 3'' eliptična galaksija (E0)
NGC 2768 4,87 9sat. 11m 37,4s +60° 2' 11'' eliptična galaksija (E6)
NGC 2787 5,0 9sat. 19m 18,4s +69° 12' 13'' prečkasta spiralna galaksija (SB0-a)
NGC 2742 5,13 9sat. 7m 33,2s +60° 28' 46'' spiralna galaksija (Sc)

Također pogledajte

Bilješke

Reference

  1. ^ (en) seds.org Arhivirano 8. 3. 2016. na Wayback Machine
  2. ^ a b c d e f g h i (en)(de) Entdeckung und Katalogisierung von Nebeln und Sternhaufen. "Wolfgang Steinicke-ov revizirani NGC i IC katalog". Arhivirano s originala, 18. 7. 2013. Pristupljeno 11. 4. 2013.
  3. ^ a b c d e f (en) Rezultati za NGC 2820A. "NASA/IPAC Extragalactic Database".

Literatura

Vanjski linkovi

NGC 2820A

NGC katalog


Nedovršeni članak NGC 2820A koji govori o svemiru treba dopuniti. Dopunite ga prema pravilima Wikipedije. Koordinate: Nebeska mapa 9h 21m 30.2s, +64° 14′ 18″

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