IC 491
Galaxy IC 491 |
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SDSS image from IC 491 & PGC 1779405 (r.) | |
AladinLite | |
Constellation | cancer |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 08 h 03 m 55.0 s |
declination | + 26 ° 31 ′ 14 ″ |
Appearance | |
Morphological type | SM |
Brightness (visual) | 14.5 mag |
Brightness (B-band) | 15.3 mag |
Angular expansion | 0.5 ′ × 0.2 ′ |
Position angle | 100 ° |
Surface brightness | 11.9 mag / arcmin² |
Physical data | |
Redshift | 0.021648 ± 0.000060 |
Radial velocity | (6490 ± 18) km / s |
Stroke distance v rad / H 0 |
(287 ± 20) x 10 6 ly (88.1 ± 6.2) Mpc |
history | |
discovery | Stéphane Javelle |
Discovery date | March 18, 1892 |
Catalog names | |
IC 491 • PGC 22631 • CGCG 148-106 NED01 • 2MASX J08032012 + 2548411 • |
IC 491 is a galaxy of Hubble type SM in the constellation Cancer on the ecliptic . It is an estimated 287 million light years from the Milky Way .
The object was discovered by Stéphane Javelle on March 18, 1892 .