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NGC 254

NGC 254
NGC 254 (SDSS)
Podaci posmatranja
Epoha: J2000.0
SazviježđeKipar[1]
Rektascenzija0sat. 47m 27,5s [2]
Deklinacija-31° 25' 19'' [2]
Crveni pomak0,005434[2]
Radijalna brzina1627 ± 17[3]
Udaljenost23,0 Mpc, 75,0 Msg
(baz. na crveni pomak) [2]
Tipprečkasta spiralna galaksija (SB0) [2]
Prividne dimenzijeNajveći prečnik: 2,60 u.m. (57 Ksg [b])
Najmanji prečnik: 1,70 u.m. (37 Ksg [b]) [3]
Prividna magnituda (V)11,7 (vidljivo)
12,6 (B-Band) [2]
Površinska svjetlost (V)13,1 mag/u.m.2 [2]
Apsolutna magnituda (V)-20.11 mag (vidljivo)
-19.21 mag (B-band) [a]
Uglovna pozicija137° [2]
Ostale oznake
ESO 411-15 • PGC 2778 • AM 0045-314 • MCG -5-3-5[2][3]
Karta
Portal
Portal
Portal Astronomija

NGC 254 (također poznat kao ESO 411-15, MCG -5-3-5 i PGC 2778) je prečkasta spiralna galaksija koja je udaljena oko 75 miliona sg od Zemlje i nalazi se u sazviježđu Kipar. Najveći prečnik je 2,60 (57 hiljada sg) a najmanji 1,7 uglovnih minuta (37 hiljada sg).[b] Prvo otkriće je napravio John Frederick William Herschel 28. septembra 1834. godine.[2][4][5]

Najbliži NGC/IC objekti

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

Ime Udaljenost od NGC 254
(uglovnih minuta)[3][c]
Rektascenzija (J2000)[3] Deklinacija (astronomija) (J2000)[3] Tip[3]
NGC 289 1,33 0sat. 52m 42,1s -31° 12' 20'' prečkasta spiralna galaksija (SBbc)
NGC 314 2,42 0sat. 56m 52,4s -31° 57' 47'' prečkasta spiralna galaksija (SB0)
IC 1589 3,21 0sat. 51m 59,3s -34° 25' 19'' dvostruka zvijezda (*2)
NGC 174 3,26 0sat. 36m 58,8s -29° 28' 40'' prečkasta spiralna galaksija (SB0-a)
NGC 148 3,32 0sat. 34m 15,4s -31° 47' 10'' spiralna galaksija (S0)
IC 1555 3,52 0sat. 34m 32,8s -30° 1' 3'' spiralna galaksija (Scd)
IC 1554 3,71 0sat. 32m 50,2s -32° 1' 53'' nepostoji (NF)
IC 1608 4,17 0sat. 59m 24,2s -34° 19' 47'' spiralna galaksija (S0-a)
NGC 134 4,65 0sat. 30m 21,8s -33° 14' 42'' prečkasta spiralna galaksija (SBbc)
NGC 334 4,66 0sat. 58m 49,8s -35° 6' 56'' prečkasta spiralna galaksija (SBb)

Također pogledajte

Bilješke

Reference

  1. ^ (en) seds.org
  2. ^ a b c d e f g h i j (en)(de) Entdeckung und Katalogisierung von Nebeln und Sternhaufen. "Wolfgang Steinicke-ov revizirani NGC i IC katalog". Arhivirano s originala, 18. 7. 2013. Pristupljeno 10. 4. 2013.
  3. ^ a b c d e f g (en) Rezultati za NGC 254. "NASA/IPAC Extragalactic Database".
  4. ^ Spisak posmatrača na Wolfgang Steinicke-om sajtu.
  5. ^ Stephan, E., Nebuleuses decouvertes et observees a l'Observatoire de Marseille, Comp. Rend. 77, 1365-1366 (1873).

Literatura

Vanjski linkovi

NGC 254

NGC katalog



Nedovršeni članak NGC 254 koji govori o svemiru treba dopuniti. Dopunite ga prema pravilima Wikipedije. Koordinate: Nebeska mapa 0h 47m 27.5s, −31° 25′ 19″

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