IC 4857
Galaxy IC 4857 / IC 4858 |
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AladinLite | |
Constellation | peacock |
Position equinox : J2000.0 , epoch : J2000.0 |
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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 .