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NGC 1646-2

Izvor: Wikipedija

NGC 1646-2
Podaci posmatranja
Epoha: J2000.0
SazviježđeEridan[1]
Rektascenzija4h 44m 23,8s [2]
Deklinacija-8° 32′ 6″ [2]
Crveni pomak0,016057[2]
Radijalna brzina4813 km/s [a]
Udaljenost67,8 Mpc, 221,1 Msg
(baz. na crveni pomak) [2]
Tipkompaktna galaksija (C) [2]
Prividne dimenzijeNajveći prečnik: 0,30 u.m. (19 Ksg [b])
Najmanji prečnik: 0,30 u.m. (19 Ksg [b]) [3]
Prividna magnituda (V)15,0 (vidljivo)
16,0 (B-Band) [2]
Površinska svjetlost (V)12,2 mag/u.m.2 [2]
Apsolutna magnituda (V)-19.16 mag (vidljivo)
-18.16 mag (B-band) [a]
Ostale oznake
near 56 Eri • 2ZW 22[2][3]
Portal
Portal
Portal Astronomija

NGC 1646-2 je kompaktna galaksija koja je udaljena oko 221 miliona sg od Zemlje i nalazi se u sazviježđu Eridan. Najveći prečnik je 0,30 (19 hiljada sg) a najmanji 0,3 uglovnih minuta (19 hiljada sg).[b]

Najbliži NGC/IC objekti

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

Ime Udaljenost od NGC 1646-2
(uglovnih minuta)[3][c]
Rektascenzija (J2000)[3] Deklinacija (astronomija) (J2000)[3] Tip[3]
NGC 1646-1 0,0 4h 44m 23,5s -8° 31′ 53″ eliptična galaksija (E-S0)
NGC 1646-3 0,01 4h 44m 26,2s -8° 32′ 7″ eliptična galaksija (E5)
NGC 1648 0,07 4h 44m 34,7s -8° 28′ 42″ spiralna galaksija (S0)
NGC 1636 0,93 4h 40m 40,2s -8° 36′ 28″ spiralna galaksija (Sab)
IC 389 1,36 4h 41m 59,6s -7° 18′ 39″ eliptična galaksija (E-S0)
IC 388-1 1,38 4h 41m 52,4s -7° 18′ 15″ kompaktna galaksija (C)
IC 388-2 1,38 4h 41m 54,3s -7° 18′ 21″ kompaktna galaksija (C)
IC 386 1,44 4h 39m 58,5s -9° 27′ 21″ spiralna galaksija (Sa)
NGC 1632 1,44 4h 39m 58,5s -9° 27′ 21″ spiralna galaksija (Sa)
IC 384 1,45 4h 39m 18,2s -7° 50′ 20″ eliptična galaksija (E3)

Povezano

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Bilješke

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Reference

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  1. ((en)) seds.org
  2. 2,0 2,1 2,2 2,3 2,4 2,5 2,6 2,7 ((en))((de)) „Wolfgang Steinicke-ov revizirani NGC i IC katalog”. Pristupljeno 11. 4. 2013. 
  3. 3,0 3,1 3,2 3,3 3,4 3,5 ((en)) „NASA/IPAC Extragalactic Database”. Pristupljeno 11. 4. 2013. 

Literatura

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Vanjski linkovi

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NGC 1646-2

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NGC katalog

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Koordinate: Nebeska mapa 4h 44m 23.8s, −8° 32′ 6″

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NGC 1646-2
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