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NGC 7633

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Galaxie
NGC 7633
(({Kartentext))}
AladinLite
Sternbild Indus
Position
ÄquinoktiumJ2000.0, Epoche: J2000.0
Rektaszension 23h 23m 03,3s[1]
Deklination −67° 39′ 13″[1]
Erscheinungsbild
Morphologischer Typ (R'_1)SB(rl)0/a[1]
Helligkeit (visuell) 12,6 mag[2]
Helligkeit (B-Band) 13,5 mag[2]
Winkel­ausdehnung 2,3' × 2,0'[2]
Positionswinkel 142°[2]
Inklination °
Flächen­helligkeit 14,1 mag/arcmin²[1][2]
Physikalische Daten
Zugehörigkeit LDCE 1577
Rotverschiebung 0.012505 ± 0.000077[1]
Radial­geschwin­digkeit (3749 ± 23) km/s[1]
Hubbledistanz
H0 = 73 km/(s • Mpc)
(162 ± 11) · 106 Lj
(49,8 ± 3,5) Mpc [1]
Absolute Helligkeit mag
Masse M
Durchmesser Lj
Metallizität [Fe/H]
Geschichte
Entdeckung John Herschel
Entdeckungsdatum 17. Oktober 1835
Katalogbezeichnungen
NGC 7633 • PGC 71274 • ESO 077-015 • 2MASX J23230326-6739135 •

NGC 7633 ist eine linsenförmige Galaxie vom Hubble-Typ SB0-a im Sternbild Indianer am Südsternhimmel. Sie ist schätzungsweise 162 Millionen Lichtjahre von der Milchstraße entfernt.

Das Objekt wurde am 17. Oktober 1835 vom britischen Astronomen John Herschel entdeckt.[3]

Einzelnachweise

[Bearbeiten | Quelltext bearbeiten]
  1. a b c d e NASA/IPAC EXTRAGALACTIC DATABASE
  2. a b c d e SEDS: NGC 7633
  3. Seligman
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NGC 7633
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