IC 4989

IC 4989
Podaci posmatranja
Epoha: J2000.0
SazviježđePaun[1]
Rektascenzija20sat. 19m 23,7s [2]
Deklinacija-58° 33' 6'' [2]
Crveni pomak0,020377[2]
Radijalna brzina6139 ± 19[3]
Udaljenost86,1 Mpc, 280,8 Msg
(baz. na crveni pomak) [2]
Tipgalaksija (Sbc) [2]
Prividne dimenzijeNajveći prečnik: 1,10 u.m. (90 Ksg [b])
Najmanji prečnik: 0,30 u.m. (25 Ksg [b]) [3]
Prividna magnituda (V)14,5 (vidljivo)
15,3 (B-Band) [2]
Površinska svjetlost (V)13,1 mag/u.m.2 [2]
Apsolutna magnituda (V)-20.18 mag (vidljivo)
-19.38 mag (B-band) [a]
Uglovna pozicija154° [2]
Ostale oznake
PGC 64476 • ESO 143-19[2][3]
Karta
Portal
Portal
Portal Astronomija

IC 4989 (također poznat kao ESO 143-19 i PGC 64476) je galaksija koja je udaljena oko 281 miliona sg od Zemlje i nalazi se u sazviježđu Paun. Najveći prečnik je 1,10 (90 hiljada sg) a najmanji 0,3 uglovnih minuta (25 hiljada sg).[b] Prvo otkriće je napravio Royal Harwood Frost 17. maja 1904. godine.[2][4][5]

Najbliži NGC/IC objekti

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

Ime Udaljenost od IC 4989
(uglovnih minuta)[3][c]
Rektascenzija (J2000)[3] Deklinacija (astronomija) (J2000)[3] Tip[3]
IC 4980 1,17 20sat. 15m 28,9s -57° 54' 45'' prečkasta spiralna galaksija (SB0-a)
IC 4973 1,22 20sat. 14m 34,1s -58° 22' 18'' spiralna galaksija (Sc)
IC 4965 2,45 20sat. 12m 27,3s -56° 49' 34'' spiralna galaksija (S0)
IC 5012 3,11 20sat. 29m 32,0s -56° 44' 36'' prečkasta spiralna galaksija (SBc)
IC 5017 3,31 20sat. 32m 3,9s -57° 35' 14'' spiralna galaksija (S0 R)
NGC 6862 3,4 20sat. 8m 54,5s -56° 23' 30'' prečkasta spiralna galaksija (SBbc)
IC 4974-1 3,45 20sat. 15m 26,2s -61° 51' 26'' spiralna galaksija (S/P)
IC 4974-2 3,45 20sat. 15m 27,2s -61° 51' 46'' spiralna galaksija (S/P)
IC 4976 3,45 20sat. 15m 41,3s -61° 52' 30'' spiralna galaksija (Sa)
IC 4986 3,56 20sat. 17m 11,4s -55° 2' 9'' prečkasta spiralna galaksija (SBd)

Također pogledajte

Bilješke

Reference

  1. ^ (en) seds.org[mrtav link]
  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 12. 4. 2013.
  3. ^ a b c d e f g (en) Rezultati za IC 4989. "NASA/IPAC Extragalactic Database".
  4. ^ Spisak posmatrača na Wolfgang Steinicke-om sajtu.
  5. ^ Young, C., Sid. Mess. II, 252 (1883-84).

Literatura

Vanjski linkovi

IC 4989

IC katalog


Nedovršeni članak IC 4989 koji govori o svemiru treba dopuniti. Dopunite ga prema pravilima Wikipedije. Koordinate: Nebeska mapa 20h 19m 23.7s, −58° 33′ 6″

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