NGC 4724

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Galaxy
NGC 4724
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AladinLite
Constellation Crow
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 12 h 50 m 53.8 s
declination -14 ° 19 ′ 55 ″
Appearance
Morphological type SB0-:  
Brightness  (visual) 12.7 mag
Brightness  (B-band) 13.7 mag
Angular expansion 0.9 ′ × 0.6 ′
Position angle 95 °
Surface brightness 12.1 mag / arcmin²
Physical data
Redshift ?  
Radial velocity ? km / s  
distance Lj  
history
discovery Wilhelm Herschel
Discovery date February 8, 1785
Catalog names
NGC  4724 • PGC  43494 • MCG  -02-33-022 • GC  3250 • H  III 280 • h  1449 • HOLM 470B

NGC 4724 is a 12.7 mag bright elliptical galaxy of the Hubble type E / S0 in the constellation Virgo. Together with NGC 4727 it forms a double galaxy; it is the smaller and weaker partner.

The object was discovered on February 8, 1785 by Wilhelm Herschel with an 18.7-inch reflector telescope , who described it as "0.5 ′ preceding II.298, eF, eS, stellar at 240 power, doubtful".

Web links

  • NGC 4724. SIMBAD, accessed February 4, 2015 .
  • NGC 4724. DSO Browser, accessed February 4, 2015 .

Individual evidence

  1. a b c NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e SEDS : NGC 4724
  3. Seligman
  4. Auke Slotegraaf: NGC 4724. Deep Sky Observer's Companion, accessed on February 4, 2015 (English).