NGC 4814

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Galaxy
NGC 4814
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SDSS recording
SDSS recording
AladinLite
Constellation Big Bear
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 12 h 55 m 21.9 s
declination + 58 ° 20 ′ 39 ″
Appearance
Morphological type SA (s) b  
Brightness  (visual) 11.7 mag
Brightness  (B-band) 12.5 mag
Angular expansion 3.3 ′ × 2.4 ′
Position angle 129 °
Surface brightness 13.8 mag / arcmin²
Physical data
Redshift 0.008396 +/- 0.000010  
Radial velocity 2517 +/- 3 km / s  
Stroke distance
v rad  / H 0
(117 ± 8)  x  10 6  ly
(35.9 ± 2.5)  Mpc 
history
discovery Wilhelm Herschel
Discovery date March 17, 1790
Catalog names
NGC  4814 • UGC  8051 • PGC  44025 • CGCG  294-003, 293-044 • MCG  + 10-19-003 • IRAS  12532 + 5836 • GC  3315 • H  I 243 • h  1483 •

NGC 4814 is an 11.7 mag bright spiral galaxy of the Hubble type Sb pec in the constellation Great Bear , about 117 million light years away from the Milky Way.

It was discovered on March 17, 1790 by Wilhelm Herschel with an 18.7-inch reflector telescope, who described it as "cB, S, R, gbM".

Web links

  • NGC 4814. SIMBAD, accessed February 14, 2015 .
  • NGC 4814. DSO Browser, accessed February 14, 2015 .

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 4814
  3. Seligman
  4. Auke Slotegraaf: NGC 4814. Deep Sky Observer's Companion, accessed on February 14, 2015 (English).