NGC 4603

Galaxie
NGC 4603
{{{Kartentext}}}
NGC 4601, NGC 4603 & ESO 322-53 (o.r.)
AladinLite
Sternbild Zentaur
Position
Äquinoktium: J2000.0, Epoche: J2000.0
Rektaszension 12h 40m 55,2s [1]
Deklination −40° 58′ 35″ [1]
Erscheinungsbild
Morphologischer Typ SA(rs)bc[1]
Helligkeit (visuell) 12,4 mag[2]
Helligkeit (B-Band) 13,1 mag[2]
Winkel­ausdehnung 3,4′ × 2,5′[1]
Positionswinkel 27°
Inklination °
Flächen­helligkeit 14,6 mag/arcmin²[2]
Physikalische Daten
Zugehörigkeit Centaurus-Haufen
Abell 3526
LGG 301[1][3]
Rotverschiebung 0.008647 ± 0.000020[1]
Radial­geschwin­digkeit (2592 ± 6) km/s[1]
Hubbledistanz
H0 = 73 km/(s • Mpc) 		(108 ± 8) · 106 Lj
(33,1 ± 2,3) Mpc [1]
Absolute Helligkeit mag
Masse M☉
Durchmesser Lj
Metallizität [Fe/H] {{{Metallizität}}}
Geschichte
Entdeckung John Herschel
Entdeckungsdatum 8. Juni 1834
Katalogbezeichnungen
NGC 4603 • PGC 42510 • ESO 322-052 • MCG -07-26-028 • IRAS 12382-4042 • 2MASX J12405519-4058350 • SGC 123812-4042.1 • GC 3141 • h 3406 • HIPASS J1240-40 • LDCE 916 NED051

NGC 4603 ist eine Spiralgalaxie vom Hubble-Typ Sc im Sternbild Zentaur am Südsternhimmel. Sie ist schätzungsweise 108 Millionen Lichtjahre von der Milchstraße entfernt und hat einen Durchmesser von etwa 110.000 Lichtjahren.

Die Galaxie ist Mitglied des Centaurus-Galaxienhaufens. Die lokale Gruppe, zu der auch unsere Milchstraße gehört, nähert sich diesem Galaxienhaufen mit einer Geschwindigkeit von etwa 1,5 Millionen Kilometer pro Stunde, angezogen von dessen Gravitation.
Im selben Himmelsareal befinden sich u. a. die Galaxien NGC 4601, NGC 4616, NGC 4622, NGC 4650.

Die Typ-II-Supernova SN 2008cn wurde hier beobachtet.[4]

Das Objekt wurde am 8. Juni 1834 von dem britischen Astronomen John Herschel entdeckt.[5]

Siehe auch

NGC 4603A, NGC 4603B, NGC 4603C und NGC 4603D

Commons: NGC 4603 – Sammlung von Bildern, Videos und Audiodateien

Einzelnachweise

  1. ↑ a b c d e f NASA/IPAC EXTRAGALACTIC DATABASE
  2. ↑ a b c SEDS: NGC 4603
  3. ↑ VizieR
  4. ↑ Simbad SN
  5. ↑ Seligman

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