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VCC 1910

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Galaxie
VCC 1910
IC 809
(({Kartentext))}
AladinLite
Sternbild Jungfrau
Position
ÄquinoktiumJ2000.0, Epoche: J2000.0
Rektaszension 12h 42m 08,7s[1]
Deklination +11° 45′ 15″[1]
Erscheinungsbild
Morphologischer Typ dE(di)[2]
Helligkeit (visuell)  mag
Helligkeit (B-Band) ca, 15,1 mag[3]
Winkel­ausdehnung Re = 13,4[1]
Positionswinkel 135°[2]
Inklination °
Flächen­helligkeit  mag/arcmin²[4]
Physikalische Daten
Zugehörigkeit Virgo-Galaxienhaufen
Rotverschiebung 0,000653 ± 0,000002[5]
Radial­geschwin­digkeit 196 ± 1 km/s[5]
Hubbledistanz
H0 = 73 km/(s • Mpc)
Absolute Helligkeit mag
Masse M
Durchmesser Lj
Metallizität [Fe/H]
Geschichte
Entdeckung Lewis Swift
Entdeckungsdatum 6. Mai 1888
Katalogbezeichnungen
IC 809 / 3672 • UGC 7863 • PGC 42946 • CGCG 70-225 • MCG +2-32-184 • 2MASX J12420866+1145159 • VCC 1910 •

VCC 1910, auch als IC 809 bezeichnet, ist eine elliptische Zwerggalaxie im Sternbild Jungfrau. Sie ist ein Mitglied des Virgo-Galaxienhaufens. Ihre Geschwindigkeitsdispersion wird mit rund 37 km/s angegeben.[1]

Das Objekt wurde am 6. Mai 1888 von Lewis Swift entdeckt.[6]

Einzelnachweise

[Bearbeiten | Quelltext bearbeiten]
  1. a b c Ş. Şen et al. (2017): Abundance ratios in dwarf elliptical galaxies. In: Monthly Notices of the Royal Astronomical Society 475(3), S. 3453–3466
  2. a b E. Toloba et al. (2011): Formation and evolution of dwarf early-type galaxies in the Virgo cluster. I. Internal kinematics. In: Astronomy and Astrophysics 526A
  3. SIMBAD Astronomical Database
  4. SEDS: IC 809
  5. E. Toloba et al. (2014): Stellar Kinematics and Structural Properties of Virgo Cluster Dwarf Early-type Galaxies from the SMAKCED Project. II. The Survey and a Systematic Analysis of Kinematic Anomalies and Asymmetries. In: The Astrophysical Journal Supplement Series 215(2)
  6. Seligman
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VCC 1910
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