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NGC 3731

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Galaxie
NGC 3731
(({Kartentext))}
SDSS-Aufnahme
AladinLite
Sternbild Löwe
Position
ÄquinoktiumJ2000.0, Epoche: J2000.0
Rektaszension 11h 34m 11,7s[1]
Deklination +12° 30′ 44″[1]
Erscheinungsbild
Morphologischer Typ E[1][2]
Helligkeit (visuell) 13,1 mag[2]
Helligkeit (B-Band) 14,1 mag[2]
Winkel­ausdehnung 1,0' × 0,9'[2]
Positionswinkel 50°[2]
Inklination °
Flächen­helligkeit 13,1 mag/arcmin²[2]
Physikalische Daten
Zugehörigkeit [1]
Rotverschiebung 0.010421 ± 0.000047[1]
Radial­geschwin­digkeit (3124 ± 14) km/s[1]
Hubbledistanz
H0 = 73 km/(s • Mpc)
(136 ± 9) · 106 Lj
(41,7 ± 2,9) Mpc [1]
Absolute Helligkeit mag
Masse M
Durchmesser Lj
Metallizität [Fe/H]
Geschichte
Entdeckung Wilhelm Herschel
Entdeckungsdatum 12. April 1784
Katalogbezeichnungen
NGC 3728 • UGC 6553 • PGC 35731 • CGCG 068-003 NED01 • MCG +02-30-001 • 2MASX J11341166+1230436 • GC 2448 • H III 80 •

NGC 3731 ist eine elliptische Galaxie vom Hubble-Typ E im Sternbild Löwe auf der Ekliptik. Sie ist schätzungsweise 136 Millionen Lichtjahre von der Milchstraße entfernt.

Das Objekt wurde am 12. April 1784 von Wilhelm Herschel entdeckt.[3]

Einzelnachweise

[Bearbeiten | Quelltext bearbeiten]
  1. a b c d e NASA/IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS: NGC 3731
  3. Seligman
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NGC 3731
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