IC 764

from Wikipedia, the free encyclopedia
Galaxy
IC 764
{{{Card text}}}
IC 764 PanS.jpg
AladinLite
Constellation Water snake
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 12 h 10 m 14.19 s
declination -29 ° 44 ′ 12.5 ″
Appearance
Morphological type SA (s) c? / HII  
Brightness  (visual) 12.2 mag
Brightness  (B-band) 12.9 mag
Angular expansion 4.80 ′ × 1.4 ′
Position angle 177 °
Surface brightness 14.1 mag / arcmin²
Physical data
Affiliation IC 764 group
LGG 271  
Redshift 0.007112 ± 0.000010  
Radial velocity (2132 ± 3) km / s  
Stroke distance
v rad  / H 0
(87 ± 6)  ·  10 6  ly
(26.8 ± 1.9)  Mpc 
history
discovery Frank Muller
Discovery date March 26, 1887
Catalog names
IC  764 • PGC  38711 • ESO  441013 • MCG  -05-29-025 • IRAS  12076-2927 • 2MASX  J12101419-2944125 • SGC  120739-2927.5 • HIPASS J1210-29 • LDCE 0860 NED018 • WISEA J121014.17-294411.5

IC 764 is a bar-spiral galaxy of the Hubble type SBc with extensive star formation areas in the constellation Hydra south of the ecliptic . It is estimated to be 87 million light-years from the Milky Way and about 130,000 light-years across. The galaxy is the brightest object in the IC 764 group ( LGG 271 ).
In the same area of ​​the sky are u. a. the galaxies NGC 4105 , NGC 4106 , IC 3005 , IC 3010 .

The object was discovered by Frank Muller on March 26, 1887 .

IC 764 group ( LGG 271 )

Galaxy Alternative name Distance / million ly
NGC 4106 PGC 38417 88
IC 760 PGC 38345 92
IC 764 PGC 38711 87
IC 2996 PGC 38334 93
IC 3015 PGC 38588 83
PGC 37752 ESO 440-037 83
PGC 37950 ESO 440-038 95
PGC 37974 ESO 440-039 83
PGC 38037 ESO 440-044 90
PGC 38301 ESO 440-049 93
PGC 38799 ESO 441-017 87

Web links

Individual evidence

  1. a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : IC 764
  3. ^ VizieR
  4. Seligman