IC 1639
Galaxy IC 1639 |
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AladinLite | |
Constellation | whale |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 01 h 11 m 46.5 s |
declination | -00 ° 39 ′ 52 ″ |
Appearance | |
Morphological type | cE / P |
Brightness (visual) | 13.1 mag |
Brightness (B-band) | 14.1 mag |
Angular expansion | 0.9 ′ × 0.8 ′ |
Position angle | 100 ° |
Surface brightness | 12.6 mag / arcmin² |
Physical data | |
Redshift | 0.017949 ± 0.000040 |
Radial velocity | (5381 ± 12) km / s |
Stroke distance v rad / H 0 |
(243 ± 17) · 10 6 ly (74.6 ± 5.2) Mpc |
history | |
discovery | Stéphane Javelle |
Discovery date | December 14, 1903 |
Catalog names | |
IC 1639 • UGC 750 • PGC 4292 • CGCG 385-023 • MCG + 00-04-031 • 2MASX J01114656-0039520 • Mrk 562 • LDCE 0066 NED008 |
IC 1639 is an elliptical galaxy of Hubble type cE in the constellation Cetus south of the celestial equator . It is estimated to be 243 million light years away from the Milky Way and has a diameter of around 65,000 ly. Together with IC 1640 , it probably forms a gravitationally bound duo. In the same area of the sky are u. a. the galaxies NGC 426 , NGC 429 , NGC 430 , IC 1643 .
The object was discovered by Stéphane Javelle on December 14, 1903 .