IC 4857

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Galaxy
IC 4857 / IC 4858
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AladinLite
Constellation peacock
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 19 h 28 m 39.2 s
declination -58 ° 46 ′ 05 ″
Appearance
Morphological type SB (s) cd  
Brightness  (visual) 13.1 mag
Brightness  (B-band) 13.8 mag
Angular expansion 1.80 'x 1.2'
Position angle 35 °
Surface brightness 13.8 mag / arcmin²
Physical data
Redshift 0.015574 ± 0.000033  
Radial velocity (4669 ± 10) km / s  
Stroke distance
v rad  / H 0
(205 ± 14)  ·  10 6  ly
(63.0 ± 4.4)  Mpc 
history
discovery DeLisle Stewart
Discovery date August 1901
Catalog names
IC  4857 • IC 4858 • PGC  63256 • ESO  142-012 • IRAS  19244-5852 • 2MASX  J19283917-5846043 • LDCE 1323 NED091

IC 4857 = IC 4858 is a bar-spiral galaxy of the Hubble type SBc in the constellation Peacock. It is an estimated 205 million light years from the Milky Way .

The object was discovered by DeLisle Stewart in August 1901 .

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : IC 4857
  3. Seligman