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IC 3445

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Galaxie
IC 3445
(({Kartentext))}
AladinLite
Sternbild Jungfrau
Position
ÄquinoktiumJ2000.0, Epoche: J2000.0
Rektaszension 12h 31m 19,4s[1]
Deklination +12° 44′ 17″[1]
Erscheinungsbild
Morphologischer Typ dE,N[1]
Helligkeit (visuell) 15,4 mag[2]
Helligkeit (B-Band) 16,4 mag[2]
Winkel­ausdehnung 0,40' × 0,3'[2]
Positionswinkel 15°[2]
Inklination °
Flächen­helligkeit 13,2 mag/arcmin²[2]
Physikalische Daten
Zugehörigkeit [1]
Rotverschiebung -0.001269 ± 0.000027[1]
Radial­geschwin­digkeit -(380 ± 8) km/s[1]
Hubbledistanz
H0 = 73 km/(s • Mpc)
Absolute Helligkeit mag
Masse M
Durchmesser Lj
Metallizität [Fe/H]
Geschichte
Entdeckung Royal H. Frost
Entdeckungsdatum 10. Mai 1904
Katalogbezeichnungen
IC 3445 • PGC 41432 • 2MASX J12311932+1244174 • VCC 1353 •

IC 3445 ist eine elliptische Zwerggalaxie vom Hubble-Typ dE im Sternbild Jungfrau am Nordsternhimmel.

Das Objekt wurde am 10. Mai 1904 von Royal Harwood Frost entdeckt.[3]

Einzelnachweise

[Bearbeiten | Quelltext bearbeiten]
  1. a b c d NASA/IPAC EXTRAGALACTIC DATABASE
  2. a b c d e SEDS: IC 3445
  3. Seligman
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IC 3445
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