NGC 4784

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Galaxy
NGC 4784
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AladinLite
Constellation Virgin
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 12 h 54 m 37.0 s
declination -10 ° 36 ′ 47 ″
Appearance
Morphological type S0  
Brightness  (visual) 14.0 mag
Brightness  (B-band) 15.0 mag
Angular expansion 1.9 ′ × 0.4 ′
Position angle 104 °
Surface brightness 13.6 mag / arcmin²
Physical data
Redshift 0.012799 +/- 0.000150  
Radial velocity 3837 +/- 45 km / s  
Stroke distance
v rad  / H 0
(167 ± 12)  ·  10 6  ly
(51.1 ± 3.6)  Mpc 
history
discovery Wilhelm Herschel
Discovery date March 25, 1786
Catalog names
NGC  4784 • PGC  43929 • MCG  -02-33-053 • GC  3295 • H  III 526 • LDCE 0904 NED276

NGC 4784 is a 14.0 mag bright lenticular galaxy of the Hubble-type S0 in the constellation of Virgo and about 167 million light-years from the Milky Way.

It was discovered on March 25, 1786 by Wilhelm Herschel with an 18.7-inch reflector telescope, who described it as "eF, eS, some little doubt".

Web links

  • NGC 4784. SIMBAD, accessed February 12, 2015 .
  • NGC 4784. DSO Browser, accessed February 12, 2015 .

Individual evidence

  1. a b c NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 4784
  3. Seligman
  4. Auke Slotegraaf: NGC 4784. Deep Sky Observer's Companion, accessed on February 12, 2015 (English).