NGC 4996

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Galaxy
NGC 4996
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SDSS recording
SDSS recording
AladinLite
Constellation Virgin
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 13 h 09 m 31.9 s
declination + 00 ° 51 ′ 25 ″
Appearance
Morphological type (R) SB0 +  
Brightness  (visual) 13.1 mag
Brightness  (B-band) 14.0 mag
Angular expansion 1.8 ′ × 1.4 ′
Position angle 40 °
Surface brightness 14.0 mag / arcmin²
Physical data
Redshift 0.018156 ± 0.000077  
Radial velocity 5443 ± 23 km / s  
Stroke distance
v rad  / H 0
(240 ± 17)  ·  10 6  ly
(73.6 ± 5.2)  Mpc 
history
discovery Albert Marth
Discovery date March 28, 1864
Catalog names
NGC  4996 • UGC  8235 • PGC  45629 • CGCG  016-011 • MCG  + 00-34-009 • GC  5720 •

NGC 4996 is a 13.1 mag bright low surface brightness galaxy of the Hubble type SB0-a in the constellation of Virgo in the northern sky . The object is an estimated 240 million light years from the Milky Way .

It was discovered by Albert Marth on March 28, 1864 .

Individual evidence

  1. a b c NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 4996
  3. Seligman

Web links

  • NGC 4996. SIMBAD, accessed February 24, 2015 .
  • NGC 4996. DSO Browser, accessed February 24, 2015 .
  • Auke Slotegraaf: NGC 4996. Deep Sky Observer's Companion, accessed on February 24, 2015 .