NGC 4638

NGC 4638 NGC4638
Podaci posmatranja
Epoha: J2000.0
SazviježđeDjevica[1]
Rektascenzija12h 42m 47,3s [2]
Deklinacija+11° 26′ 33″ [2]
Crveni pomak0,003883[2]
Radijalna brzina1163 ± 11[3]
Udaljenost16,4 Mpc, 53,5 Msg
(baz. na crveni pomak) [2]
Tipeliptična galaksija (E-S0) [2]
Prividne dimenzijeNajveći prečnik: 2,20 u.m. (34 Ksg [b])
Najmanji prečnik: 1,40 u.m. (22 Ksg [b]) [3]
Prividna magnituda (V)11,2 (vidljivo)
12,1 (B-Band) [2]
Površinska svjetlost (V)12,3 mag/u.m.2 [2]
Apsolutna magnituda (V)-19.87 mag (vidljivo)
-18.97 mag (B-band) [a]
Uglovna pozicija125° [2]
Ostale oznake
UGC 7880 • PGC 42728 • CGCG 70-229 • CGCG 71-6 • NGC 4667 • ZWG 71.6 • VCC 1938 • MCG 2-32-187 • ZWG 70.229[2][3]
Portal
Portal
Portal Astronomija

NGC 4638 (također poznat kao MCG 2-32-187, NGC 4667, PGC 42728 i UGC 7880) je eliptična galaksija koja je udaljena oko 53 miliona sg od Zemlje i nalazi se u sazviježđu Djevica. Najveći prečnik je 2,20 (34 hiljade sg) a najmanji 1,4 uglovnih minuta (22 hiljade sg).[b] Prvo otkriće je napravio John Frederick William Herschel 15. marta 1784. godine.[2][4][5]

Najbliži NGC/IC objekti

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

Ime Udaljenost od NGC 4638
(uglovnih minuta)[3][c] 		Rektascenzija (J2000)[3] Deklinacija (astronomija) (J2000)[3] Tip[3]
NGC 4637 0,03 12h 42m 54,2s +11° 26′ 17″ spiralna galaksija (S0)
NGC 4647 0,23 12h 43m 32,5s +11° 34′ 58″ prečkasta spiralna galaksija (SBc)
IC 3694 0,25 12h 43m 7,3s +11° 12′ 41″ galaksija (Sbc)
NGC 4649 0,25 12h 43m 39,8s +11° 33′ 11″ eliptična galaksija (E2)
IC 3665 0,26 12h 41m 46,6s +11° 29′ 17″ nepravilna galaksija (Im)
IC 3698 0,26 12h 43m 17,3s +11° 12′ 40″ spiralna galaksija (Sc)
NGC 4621 0,28 12h 42m 2,2s +11° 38′ 50″ eliptična galaksija (E5)
IC 3684 0,31 12h 42m 26,5s +11° 44′ 22″ spiralna galaksija (S0-a)
IC 3672 0,35 12h 42m 8,7s +11° 45′ 15″ eliptična galaksija (E0)
IC 809 0,35 12h 42m 8,7s +11° 45′ 15″ eliptična galaksija (E0)

Povezano

Bilješke

Reference

  1. ↑ ((en)) seds.org
  2. ↑ 2,00 2,01 2,02 2,03 2,04 2,05 2,06 2,07 2,08 2,09 ((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 3,6 ((en)) „NASA/IPAC Extragalactic Database”. Pristupljeno 11. 4. 2013. 
  4. ↑ Spisak posmatrača na Wolfgang Steinicke-om sajtu.
  5. ↑ Young, C., Sid. Mess. II, 252 (1883-84).

Literatura

Vanjske veze

NGC 4638

NGC katalog

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Koordinate: Nebeska mapa 12h 42m 47.3s, +11° 26′ 33″

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