IC 643
Galaxy IC 643 |
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SDSS recording | |
AladinLite | |
Constellation | lion |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 10 h 49 m 27.2 s |
declination | + 12 ° 12 ′ 04 ″ |
Appearance | |
Morphological type | S0 / a |
Brightness (visual) | 14.3 mag |
Brightness (B-band) | 15.3 mag |
Angular expansion | 0.6 ′ × 0.2 ′ |
Position angle | 75 ° |
Surface brightness | 11.9 mag / arcmin² |
Physical data | |
Redshift | 0.023380 ± 0.000153 |
Radial velocity | (7009 ± 46) km / s |
Stroke distance v rad / H 0 |
(309 ± 22) x 10 6 ly (94.7 ± 6.7) Mpc |
history | |
discovery | Stéphane Javelle |
Discovery date | March 31, 1892 |
Catalog names | |
IC 643 • PGC 32392 • CGCG 066-030 • 2MASX J10492718 + 1212041 • |
IC 643 is a lenticular galaxy of the Hubble type S0 / a in the constellation Leo. It is estimated to be 267 million light years from the Milky Way .
The object was discovered by Stéphane Javelle on March 31, 1892 .