NGC 2817

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Galaxy
NGC 2817
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NGC 2817 [1]
NGC 2817
AladinLite
Constellation Water snake
Position
equinox :  J2000.0 , epoch : J2000.0
Right ascension 09 h 17 m 10.53 s
declination -04 ° 45 ′ 07.6 ″
Appearance
Morphological type SAB (rs) c  
Brightness  (visual) 13.0 likes
Brightness  (B-band) 13.7 mag
Angular expansion 2 ′ × 1.7 ′
Position angle 5 °
Surface brightness 14.2 mag / arcmin²
Physical data
Redshift 0.011788 ± 0.000010  
Radial velocity 3534 ± 3 km / s  
Stroke distance
v rad  / H 0 		(150 ± 10)  x  10 6  ly
(46.1 ± 3.2)  Mpc 
history
discovery Lewis Swift
Discovery date March 26, 1887
Catalog names
NGC  2817 • PGC  26223 • MCG  -01-24-006 • IRAS  09146-0432 • 2MASX  J09171052-0445076 • HIPASS J0917-04 • WISEA J091710.53-044507.1

NGC 2817 is a barred spiral galaxy of the Hubble type SBc in the constellation Hydra south of the ecliptic . It is estimated to be 150 million light years from the Milky Way and about 90,000 light years in diameter.

In the same area of ​​the sky is u. a. the galaxy NGC 2850 .

The object was discovered by Lewis Swift on March 26, 1887 .

Web links

Individual evidence

  1. ^ Aladin Lite
  2. ↑ a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  3. ↑ a b c d e f SEDS : NGC 2817
  4. ↑ Seligman