NGC 6454

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Galaxy
NGC 6454
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SDSS recording
SDSS recording
AladinLite
Constellation Dragon
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 17 h 44 m 56.6 s
declination + 55 ° 42 ′ 17 ″
Appearance
Morphological type S? AGN?  
Brightness  (visual) 13.7 mag
Brightness  (B-band) 14.5 mag
Angular expansion 1.0 ′ × 0.8 ′
Position angle 171 °
Surface brightness 13.3 mag / arcmin²
Physical data
Redshift 0.030421 +/- 0.000167  
Radial velocity 9120 +/- 50 km / s  
Stroke distance
v rad  / H 0
(417 ± 29)  x  10 6  ly
(127.7 ± 9.0)  Mpc 
history
discovery Lewis Swift
Discovery date April 19, 1885
Catalog names
NGC  6454 • PGC  60795 • CGCG  278-024 • MCG  + 09-29-026 • 2MASX  J17445666 + 5542166 •

NGC 6454 is a 13.7 mag bright galaxy with an active nucleus of the Hubble type S? in the constellation Dragon in the northern sky , which is an estimated 417 million light years from the Milky Way .

The object was discovered by Lewis A. Swift on April 19, 1885 .

Web links

  • NGC 6454. SIMBAD, accessed August 2, 2016 .
  • NGC 6454. DSO Browser, accessed August 2, 2016 .
  • Auke Slotegraaf: NGC 6454. Deep Sky Observer's Companion, accessed on August 2, 2016 .

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e SEDS : NGC 6454
  3. Seligman