NGC 4711

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Galaxy
NGC 4711 / IC 3804
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SDSS recording
SDSS recording
AladinLite
Constellation Hunting dogs
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 12 h 48 m 45.9 s
declination + 35 ° 19 ′ 58 ″
Appearance
Morphological type SBb  
Brightness  (visual) 13.5 likes
Brightness  (B-band) 14.3 mag
Angular expansion 1.3 ′ × 0.8 ′
Position angle 40 °
Surface brightness 13.4 mag / arcmin²
Physical data
Redshift 0.013549 ± 0.000030  
Radial velocity (4062 ± 9) km / s  
Stroke distance
v rad  / H 0
(183 ± 13)  ·  10 6  ly
(56.1 ± 3.9)  Mpc 
history
discovery Wilhelm Herschel
Discovery date May 1, 1785
Catalog names
NGC  4711 • IC  3804 • UGC  7973 • PGC  43286 • CGCG  188-022 • MCG  + 06-28-033 • IRAS  12463 + 3536 • GC  3242 • H  II 412 • h  1443 • GALEX ASC J124845.89 + 351958.1

NGC 4711 = IC 3804 is a 13.5 mag bright bar-spiral galaxy of the Hubble type SBb in the constellation Hounds in the northern sky . It is estimated to be 183 million light years away from the Milky Way and has a diameter of about 70,000 ly.
In the same area of ​​the sky is the galaxy NGC 4687 .

The object was discovered on May 1, 1785 by Wilhelm Herschel with an 18.7-inch reflecting telescope, who described it as “F, S, LE, GLBM, easily resolvable”. A "rediscovery" took place by Max Wolf on March 21, 1903, this is listed as IC 3804 .

Web links

  • NGC 4711. SIMBAD, accessed February 4, 2015 .
  • NGC 4711. DSO Browser, accessed February 4, 2015 .

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 4711
  3. Seligman
  4. Auke Slotegraaf: NGC 4711. Deep Sky Observer's Companion, accessed on February 4, 2015 (English).
  5. SIMBAD Astronomical Database