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NGC 2638

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Galaxie
NGC 2638
(({Kartentext))}
SDSS-Aufnahme
AladinLite
Sternbild Luchs
Position
ÄquinoktiumJ2000.0, Epoche: J2000.0
Rektaszension 08h 42m 25,8s[1]
Deklination +37° 13′ 16″[1]
Erscheinungsbild
Morphologischer Typ S0/a[1]
Helligkeit (visuell) 12,8 mag[2]
Helligkeit (B-Band) 13,7 mag[2]
Winkel­ausdehnung 1,7′ × 0,6′[2]
Positionswinkel 72°[2]
Inklination °
Flächen­helligkeit 12,7 mag/arcmin²[2]
Physikalische Daten
Zugehörigkeit [1]
Rotverschiebung 0.012849 ± 0.000007[1]
Radial­geschwin­digkeit (3852 ± 2) km/s[1]
Hubbledistanz
H0 = 73 km/(s • Mpc)
(171 ± 12) · 106 Lj
(52,5 ± 3,7) Mpc [1]
Absolute Helligkeit mag
Masse M
Durchmesser 85.000 Lj[3]
Metallizität [Fe/H]
Geschichte
Entdeckung Edouard Stephan
Entdeckungsdatum 21. Januar 1885
Katalogbezeichnungen
NGC 2638 • UGC 4534 • PGC 24453 • CGCG 179-018 • MCG +06-19-016 • 2MASX J08422575+3713161 •

NGC 2638 ist eine linsenförmige Galaxie vom Hubble-Typ S0-a im Sternbild Luchs. Sie ist schätzungsweise 171 Millionen Lichtjahre von der Milchstraße entfernt.

Das Objekt wurde am 21. Januar 1885 von Edouard Stephan entdeckt.[4]

Einzelnachweise

[Bearbeiten | Quelltext bearbeiten]
  1. a b c d e NASA/IPAC EXTRAGALACTIC DATABASE
  2. a b c d e SEDS: NGC 2638
  3. NASA/IPAC
  4. Seligman
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NGC 2638
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