IC 2999

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Galaxy
IC 2999
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IC 2999 [1]
IC 2999
AladinLite
Constellation Big Bear
Position
equinox :  J2000.0 , epoch : J2000.0
Right ascension 12 h 05 m 57.538 s
declination + 31 ° 20 ′ 54.56 ″
Appearance
Morphological type S.  
Brightness  (visual) 14.8 mag
Brightness  (B-band) 15.6 mag
Angular expansion 0.7 ′ × 0.2 ′
Position angle 50 °
Surface brightness 12.5 mag / arcmin²
Physical data
Redshift 0.023263 ± 0.000053  
Radial velocity 6974 ± 16 km / s  
Stroke distance
v rad  / H 0 		(311 ± 22)  x  10 6  ly
(95.5 ± 6.7)  Mpc 
history
discovery Stéphane Javelle
Discovery date May 26, 1903
Catalog names
IC  2999 • PGC  38352 • CGCG  158-017 • KUG  1203 + 316 • 2MASX  J12055752 + 3120543 • SDSS J120557.54 + 312054.5 • WISEA J120557.55 + 312054.5

IC 2999 is a spiral galaxy of Hubble type S in the constellation Ursa Major at the northern sky . It is estimated to be 311 million light years from the Milky Way and about 65,000 light years in diameter.
In the same area of ​​the sky are u. a. the galaxies NGC 4062 , IC 2992 , IC 3007 .

The object was discovered by Stéphane Javelle on May 26, 1903 .

Web links

Individual evidence

  1. ^ Aladin Lite
  2. ↑ a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  3. ↑ a b c d e f SEDS : IC 2999
  4. ↑ Seligman