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NGC 7155

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Galaxie
NGC 7155 / IC 5143
(({Kartentext))}
AladinLite
Sternbild Indus
Position
ÄquinoktiumJ2000.0, Epoche: J2000.0
Rektaszension 21h 56m 09,7s[1]
Deklination −49° 31′ 19″[1]
Erscheinungsbild
Morphologischer Typ SB(r)0^0[1]
Helligkeit (visuell) 12,2 mag[2]
Helligkeit (B-Band) 13,2 mag[2]
Winkel­ausdehnung 2,3' × 2,0'[2]
Positionswinkel [2]
Flächen­helligkeit 13,7 mag/arcmin²[2]
Physikalische Daten
Zugehörigkeit LGG 448[3]
Rotverschiebung 0,006608 ± 0,000083[1]
Radial­geschwin­digkeit (1981 ± 25) km/s[1]
Hubbledistanz
H0 = 73 km/(s • Mpc)
(87 ± 6) · 106 Lj
(26,7 ± 1,9) Mpc [1]
Durchmesser 60.000 Lj[4]
Geschichte
Entdeckung John Herschel
Entdeckungsdatum 30. September 1834
Katalogbezeichnungen
NGC 7155 • IC 5143 • PGC 67663 • ESO 237-016 • 2MASX J21560971-4931188 • SGC 215255-4945.5 • LDCE 1489 NED004

NGC 7155 = IC 5143 ist eine linsenförmige Galaxie vom Hubble-Typ SB0 im Sternbild Indianer am Südsternhimmel. Sie ist schätzungsweise 87 Millionen Lichtjahre von der Milchstraße entfernt.

Das Objekt wurde am 30. September 1834 von John Herschel entdeckt.[5]

Einzelnachweise

[Bearbeiten | Quelltext bearbeiten]
  1. a b c d NASA/IPAC EXTRAGALACTIC DATABASE
  2. a b c d e SEDS: NGC 7155
  3. VizieR
  4. NASA/IPAC
  5. Seligman
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NGC 7155
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