NGC 5817

from Wikipedia, the free encyclopedia
Galaxy
NGC 5817
{{{Card text}}}
{{{Caption}}}
Photo-request.svg
AladinLite
Constellation Libra
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 14 h 59 m 40.8 s
declination -16 ° 10 ′ 49 ″
Appearance
Morphological type S0  
Brightness  (visual) 14.2 mag
Brightness  (B-band) 15.2 mag
Angular expansion 0.9 ′ × 0.7 ′
Position angle 15 °
Surface brightness 13.6 mag / arcmin²
Physical data
Redshift 0.024057 ± 0.000113  
Radial velocity (7212 ± 34) km / s  
Stroke distance
v rad  / H 0
(320 ± 23)  x  10 6  ly
(98.2 ± 6.9)  Mpc 
history
discovery Ormond Stone
Discovery date 1886
Catalog names
NGC  5817 • PGC  53567 • MCG  -03-38-41 • 2MASX  J14594086-1610495 •

NGC 5817 is a 14.2 mag bright lenticular galaxy of the Hubble type S0 in the constellation Libra on the ecliptic . It is estimated to be 320 million light years from the Milky Way and about 85,000 light years in diameter.

The property was discovered by Ormond Stone in 1886 .

Web links

  • NGC 5817. SIMBAD, accessed April 26, 2016 .
  • NGC 5817. DSO Browser, accessed April 26, 2016 .
  • Auke Slotegraaf: NGC 5817. Deep Sky Observer's Companion, accessed on April 26, 2016 .

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e SEDS : NGC 5817
  3. Seligman