NGC 6417

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Galaxy
NGC 6417
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AladinLite
Constellation Hercules
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 17 h 41 m 47.8 s
declination + 23 ° 40 ′ 20 ″
Appearance
Morphological type SB (r) b  
Brightness  (visual) 13.4 mag
Brightness  (B-band) 14.2 mag
Angular expansion 1.4 ′ × 1.3 ′
Position angle 45 °
Surface brightness 13.9 mag / arcmin²
Physical data
Redshift 0.011064 +/- 0.000023  
Radial velocity 3317 +/- 7 km / s  
Stroke distance
v rad  / H 0
(156 ± 11)  ·  10 6  ly
(47.7 ± 3.3)  Mpc 
history
discovery Albert Marth
Discovery date July 2, 1864
Catalog names
NGC  6417 • UGC  10945 • PGC  60709 • CGCG  141-004 • MCG  + 04-42-001 • IRAS  17397 + 2341 • GC  5868 •

NGC 6417 is a 13.4 mag bright barred spiral galaxy of the Hubble type SBb in the constellation Hercules and about 156 million light years from the Milky Way.

It was discovered by Albert Marth on July 2, 1864 .

Web links

  • NGC 6417. SIMBAD, accessed August 1, 2016 .
  • NGC 6417. DSO Browser, accessed August 1, 2016 .
  • Auke Slotegraaf: NGC 6417. Deep Sky Observer's Companion, accessed on August 1, 2016 .

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e SEDS : NGC 6417
  3. Seligman