IC 779

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Galaxy
IC 779
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IC 779 [1]
IC 779
AladinLite
Constellation Berenike's hair
Position
equinox :  J2000.0 , epoch : J2000.0
Right ascension 12 h 19 m 38.730 s
declination + 29 ° 52 ′ 59.52 ″
Appearance
Morphological type E.  
Brightness  (visual) 13.8 mag
Brightness  (B-band) 14.5 mag
Angular expansion 0.90 ′ × 0.9 ′
Surface brightness 13.4 mag / arcmin²
Physical data
Affiliation NGC 4631 group
LGG 291  
Redshift 0.000741 ± 0.000093  
Radial velocity 222 ± 28 km / s  
Stroke distance
v rad  / H 0 		(10 ± 1)  x  10 6  ly
(3.05 ± 0.44)  Mpc 
history
discovery Truman H. Safford
Discovery date May 16, 1866
Catalog names
IC  779 • UGC  7369 • PGC  39690 • CGCG  158-066 • MCG  + 05-29-053 • 2MASX  J12193875 + 2952592 • 2MASS J12193873 + 2952599 • SDSS J121938.73 + 295259.4

IC 779 is a spiral dwarf galaxy of the Hubble type SBc in the constellation Coma Berenices in the northern sky . It is estimated to be 10 million light-years from the Milky Way and about 2,000 light-years across. Together with thirteen other galaxies, it forms the NGC 4631 group ( LGG 291 ).
In the same area of ​​the sky are u. a. the galaxies NGC 4245 , NGC 4253 , NGC 4272 , NGC 4274 .

The object was discovered by Truman Henry Safford on May 16, 1866 .

Web links

Individual evidence

  1. ^ Aladin Lite
  2. ↑ a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  3. ↑ a b c d e SEDS : IC 779
  4. ^ VizieR
  5. ↑ Seligman