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NGC 6722

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Galaxie
NGC 6722
(({Kartentext))}
AladinLite
Sternbild Pfau
Position
ÄquinoktiumJ2000.0, Epoche: J2000.0
Rektaszension 19h 03m 40,4s[1]
Deklination −64° 53′ 40″[1]
Erscheinungsbild
Morphologischer Typ Sb[1]
Helligkeit (visuell) 12,8 mag[2]
Helligkeit (B-Band) 13,6 mag[2]
Winkel­ausdehnung 2,9′ × 0,4′[2]
Positionswinkel 166°[2]
Flächen­helligkeit 12,8 mag/arcmin²[1]
Physikalische Daten
Zugehörigkeit LGG 422[1][3]
Rotverschiebung 0,015427 ± 0,000150[1]
Radial­geschwin­digkeit (4625 ± 45) km/s[1]
Hubbledistanz
H0 = 73 km/(s • Mpc)
(202 ± 14) · 106 Lj
(62,0 ± 4,4) Mpc [1]
Geschichte
Entdeckung John Herschel
Entdeckungsdatum 8. Juni 1834
Katalogbezeichnungen
NGC 6722 • PGC 62722 • ESO 104-033 • 2MASX J19034037-6453401 • LDCE 1323 NED063

NGC 6722 ist eine Spiralgalaxie vom Hubble-Typ Sb im Sternbild Pfau am Südsternhimmel. Sie ist schätzungsweise 202 Millionen Lichtjahre von der Milchstraße entfernt.

Das Objekt wurde am 8. Juni 1834 von John Herschel entdeckt.[4]

Einzelnachweise

[Bearbeiten | Quelltext bearbeiten]
  1. a b c d e f NASA/IPAC EXTRAGALACTIC DATABASE
  2. a b c d SEDS: NGC 6722
  3. VizieR
  4. Seligman
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NGC 6722
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