IC 2497
| Galaxy IC 2497 |
|
|---|---|
|
|
| IC 2497 (above) & Hanny's Voorwerp | |
| AladinLite | |
| Constellation | Little lion |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 09 h 41 m 04.1 s |
| declination | + 34 ° 43 ′ 58 ″ |
| Appearance | |
| Morphological type | S: |
| Brightness (visual) | 15.0 mag |
| Brightness (B-band) | 15.8 mag |
| Angular expansion | 0.60 x 0.3 |
| Position angle | 110 ° |
| Surface brightness | 13.0 mag / arcmin² |
| Physical data | |
| Redshift | 0.050221 ± 0.000133 |
| Radial velocity | 15,056 ± 40 km / s |
|
Stroke distance v rad / H 0 |
(672 ± 47) x 10 6 ly (205.9 ± 14.4) Mpc |
| history | |
| discovery | Stéphane Javelle |
| Discovery date | May 14, 1903 |
| Catalog names | |
| IC 2497 • PGC 165538 • IRAS 09380 + 3457 • 2MASX J09410407 + 3443585 • | |
IC 2497 is a spiral galaxy of the Hubble type S: in the constellation Little Leo in the northern sky . It is around 672 million light years away from the Milky Way and has a diameter of around 115,000 light years .
The object was discovered by Stéphane Javelle on May 14, 1903 .