IC 4542

IC 4542 ist ein interagierendes Galaxienpaar im Sternbild Bärenhüter am Nordsternhimmel.

IC 4542
Galaxie
IC 4542
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SDSS-Aufnahme
AladinLite
Sternbild Bärenhüter
Position
Äquinoktium: J2000.0, Epoche: J2000.0
Rektaszension 15h 22m 05,4s [1]
Deklination +33° 08′ 55″ [1]
Erscheinungsbild
Morphologischer Typ SB0/a? + S?[1]
Helligkeit (visuell) 14,2(15,1) mag[2]
Helligkeit (B-Band) 15,1(15,9) mag[2]
Winkel­ausdehnung 0,8′ × 0,5′[2]
Positionswinkel 123°[2]
Inklination °
Flächen­helligkeit 13,1(11,1) mag/arcmin²[2]
Physikalische Daten
Zugehörigkeit
Rotverschiebung 0,031706 ±0,000008[1]
Radial­geschwin­digkeit (9505 ±2) km/s[1]
Hubbledistanz
H0 = 73 km/(s • Mpc) 		(430 ± 30)e6 Lj
(131,7 ± 9,2) Mpc [1]
Absolute Helligkeit mag
Masse M☉
Durchmesser Lj
Metallizität [Fe/H]
Geschichte
Entdeckung Stéphane Javelle
Entdeckungsdatum 23. Juni 1903
Katalogbezeichnungen
IC 4542 • PGC 54855 • CGCG 194-002 NED01 • MCG +06-34-006 • 2MASX J15220538+3308547 •

IC 4542 ist ein interagierendes Galaxienpaar im Sternbild Bärenhüter am Nordsternhimmel.

Das Objekt wurde am 23. Juni 1903 von Stéphane Javelle entdeckt.[3]

Einzelnachweise

  1. ↑ a b c d NASA/IPAC EXTRAGALACTIC DATABASE
  2. ↑ a b c d e SEDS: IC 4542
  3. ↑ Seligman

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