IC 4842
Galaxy IC 4842 |
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AladinLite | |
Constellation | peacock |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 19 h 19 m 24.5 s |
declination | -60 ° 38 ′ 39 ″ |
Appearance | |
Morphological type | E: |
Brightness (visual) | 12.4 mag |
Brightness (B-band) | 13.4 mag |
Angular expansion | 1.50 'x 0.8' |
Position angle | 20 ° |
Surface brightness | 12.7 mag / arcmin² |
Physical data | |
Affiliation |
NGC 6769 group IC 4845 group LGG 427 |
Redshift | 0.013506 ± 0.000057 |
Radial velocity | 4049 ± 17 km / s |
Stroke distance v rad / H 0 |
(177 ± 12) · 10 6 ly (54.4 ± 3.8) Mpc |
history | |
discovery | DeLisle Stewart |
Discovery date | August 13, 1901 |
Catalog names | |
IC 4842 • PGC 63065 • ESO 141-052 • 2MASX J19192446-6038392 • SGC 191458-6044.2 • GALEX ASC J191924.61-603838.3 • 2MASS J19192446-6038393 • LDCE 1323 NED082 |
IC 4842 is an elliptical galaxy of the Hubble type E5 in the constellation Peacock in the southern sky . It is around 177 million light years away from the Milky Way and has a diameter of around 80,000 light years . The galaxy is considered a member of the IC 4845 group ( LGG 427 ).
In the same area of the sky are u. a. the galaxies NGC 6769 , NGC 6770 , NGC 6771 , IC 4845 .
The object was discovered by DeLisle Stewart on August 13, 1901 .