NGC 4868

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Galaxy
NGC 4868
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SDSS recording
SDSS recording
AladinLite
Constellation Hunting dogs
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 12 h 59 m 08.9 s
declination + 37 ° 18 ′ 37 ″
Appearance
Morphological type Sab  
Brightness  (visual) 12.2 mag
Brightness  (B-band) 13.0 likes
Angular expansion 1.5 ′ × 1.4 ′
Position angle 90 °
Surface brightness 12.9 mag / arcmin²
Physical data
Affiliation LGG 319  
Redshift 0.015561 +/- 0.000030  
Radial velocity 4665 +/- 9 km / s  
Stroke distance
v rad  / H 0
(210 ± 15)  ·  10 6  ly
(64.5 ± 4.5)  Mpc 
history
discovery Wilhelm Herschel
Discovery date March 17, 1787
Catalog names
NGC  4868 • UGC  8099 • PGC  44557 • CGCG  189-008 • MCG  + 06-29-004 • IRAS  12567 + 3734 • KUG  1256 + 375 • 2MASX  J12590891 + 3718370 • GC  3341 • H  II 644 • LDCE 929 NED002

NGC 4868 is a 12.2 likes bright spiral galaxy of Hubble type Sab in the constellation Canes Venatici on the northern sky . It is estimated to be 210 million light years away from the Milky Way and has a diameter of around 95,000 ly. Together with NGC 4846 and NGC 4914 , it forms the small galaxy group LGG 319.

In the same area of ​​the sky are the galaxies NGC 4870 , NGC 4893 , IC 3956 , IC 4016 .

The object was discovered on March 17, 1787 by Wilhelm Herschel with an 18.7-inch reflector telescope, who described it as "pB, S, R, mbM, among scattered stars".

Web links

  • NGC 4868. SIMBAD, accessed February 18, 2015 .
  • NGC 4868. DSO Browser, accessed February 18, 2015 .

Individual evidence

  1. a b c NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 4868
  3. ^ VizieR
  4. Auke Slotegraaf: NGC 4868. Deep Sky Observer's Companion, accessed on February 18, 2015 (English).
  5. Seligman