IC 1640
| Galaxy IC 1640 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | whale |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 01 h 11 m 51.3 s |
| declination | -00 ° 37 ′ 49 ″ |
| Appearance | |
| Morphological type | C. |
| Brightness (visual) | 14.4 mag |
| Brightness (B-band) | 15.4 mag |
| Angular expansion | 0.20 × 0.2 |
| Surface brightness | 10.8 mag / arcmin² |
| Physical data | |
| Redshift | 0.018496 +/- 0.000107 |
| Radial velocity | 5545 +/- 32 km / s |
|
Stroke distance v rad / H 0 |
(251 ± 18) x 10 6 ly (76.9 ± 5.4) Mpc |
| history | |
| discovery | Stéphane Javelle |
| Discovery date | December 14, 1903 |
| Catalog names | |
| IC 1640 • PGC 4299 • CGCG 385-024 • 2MASX J01115130-0037492 • | |
IC 1640 is a compact galaxy of Hubble type C in the constellation Cetus south of the celestial equator . It is an estimated 251 million light years away from the Milky Way and has a diameter of about 15,000 ly. Together with IC 1639 , it probably forms a gravitationally bound duo.
The galaxies NGC 426 , NGC 429 , NGC 430 , IC 1643 are located in the same area of the sky .
The object was discovered by Stéphane Javelle on December 14, 1903 .