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NGC 7399

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Galaxie
NGC 7399
(({Kartentext))}
SDSS-Aufnahme
AladinLite
Sternbild Wassermann
Position
ÄquinoktiumJ2000.0, Epoche: J2000.0
Rektaszension 22h 52m 39,2s[1]
Deklination −09° 16′ 04″[1]
Erscheinungsbild
Morphologischer Typ S0/a / HII[1][2]
Helligkeit (visuell) 13,7 mag[2]
Helligkeit (B-Band) 14,6 mag[2]
Winkel­ausdehnung 0,9' × 0,4'[2]
Positionswinkel 150°[2]
Inklination °
Flächen­helligkeit 12,5 mag/arcmin²[2]
Physikalische Daten
Zugehörigkeit [1]
Rotverschiebung 0,014914 ± 0,000120[1]
Radial­geschwin­digkeit (4471 ± 36) km/s[1]
Hubbledistanz
H0 = 73 km/(s • Mpc)
(205 ± 14) · 106 Lj
(62,7 ± 4,4) Mpc [1]
Absolute Helligkeit mag
Masse M
Durchmesser Lj
Metallizität [Fe/H]
Geschichte
Entdeckung Lewis Swift
Entdeckungsdatum 15. November 1884
Katalogbezeichnungen
NGC 7399 • PGC 69902 • MCG -02-58-006 • 2MASX J22523926-0916040 •

NGC 7399 ist eine linsenförmige Galaxie vom Hubble-Typ S0/a im Sternbild Aquarius auf der Ekliptik. Sie ist schätzungsweise 205 Millionen Lichtjahre von der Milchstraße entfernt.

Das Objekt wurde am 15. November 1884 von Lewis Swift 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 7399
  3. Seligman
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NGC 7399
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