IC 999

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Galaxy
IC 999
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IC 1000 & IC 999 [1]
IC 1000 & IC 999
AladinLite
Constellation Bear keeper
Position
equinox :  J2000.0 , epoch : J2000.0
Right ascension 14 h 19 m 32.675 s
declination + 17 ° 52 ′ 31.10 ″
Appearance
Morphological type S0? / LINER  
Brightness  (visual) 13.4 mag
Brightness  (B-band) 14.4 mag
Angular expansion 0.80 x 0.4
Position angle 142 °
Surface brightness 12.0 mag / arcmin²
Physical data
Redshift 0.019200 ± 0.000063  
Radial velocity 5756 ± 19 km / s  
Stroke distance
v rad  / H 0 		(259 ± 18)  ·  10 6  ly
(79.3 ± 5.6)  Mpc 
history
discovery Stéphane Javelle
Discovery date June 23, 1892
Catalog names
IC  999 • UGC  09168 • PGC  051189 • CGCG  104-003 • MCG  + 03-37-001 • 2MASX  J14193264 + 1752308 • WISEA J141932.67 + 175231.0

IC 999 is a lens-shaped galaxy of the Hubble-type S0 with an active galaxy core in the constellation Bear Guardian in the northern sky . It is around 259 million light years away from the Milky Way and has a diameter of around 60,000 light years. Presumably it forms a gravitationally bound galaxy pair together with IC 1000 . The galaxy and IC 4410 are in the same area of ​​the sky .

The object was discovered by Stéphane Javelle on June 23, 1892 .

See also

Web links

Individual evidence

  1. ^ Aladin Lite
  2. ↑ a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  3. ↑ a b c d e SEDS : IC 999
  4. ↑ Seligman with photo