IC 816

from Wikipedia, the free encyclopedia
Galaxy
IC 816
{{{Card text}}}
IC 816 [1]
IC 816
AladinLite
Constellation Virgin
Position
equinox :  J2000.0 , epoch : J2000.0
Right ascension 12 h 46 m 46.338 s
declination + 09 ° 51 ′ 02.01 ″
Appearance
Morphological type SB (r) ... / LINER  
Brightness  (visual) 14.0 mag
Brightness  (B-band) 14.8 mag
Angular expansion 0.90 × 0.7
Position angle 35 °
Surface brightness 13.3 mag / arcmin²
Physical data
Affiliation Virgo cluster  
Redshift 0.023890 ± 0.000007  
Radial velocity 7162 ± 2 km / s  
Stroke distance
v rad  / H 0 		(318 ± 22)  ·  10 6  ly
(97.4 ± 6.8)  Mpc 
history
discovery Lewis Swift
Discovery date May 5, 1888
Catalog names
IC  816 • UGC  7944 • PGC  43111 • CGCG  071-038 • MCG  + 02-33-019 • 2MASX  J12464634 + 0951016 • VCC  2044 • GALEX MSC J124646.34 + 095101.7 • WISEA J124646.34 + 095101.9

IC 816 is a ring galaxy with an active galactic nucleus from Hubble type RSBA in the constellation Virgo. It is estimated to be 318 million light years from the Milky Way and about 85,000 light years in diameter. Together with IC 817 it forms a gravitationally bound galaxy pair and under the catalog number VCC 2044 it is listed as a member of the Virgo galaxy cluster , but is too far away for that.

The galaxies IC 817 , IC 3724 , IC 3732 , IC 3773 are located in the same area of ​​the sky .

The object was discovered by Lewis Swift on May 5, 1888 .

Web links

Individual evidence

  1. ^ Aladin Lite
  2. ↑ a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  3. ↑ a b c d e f SEDS : IC 816
  4. ↑ Simbad
  5. ↑ Seligman