IC 660
| Galaxy IC 660 |
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![IC 660 with LEDA 1192901 (ru) [1]](https://de.wikipedia.org/wiki/Datei:IC660_-_SDSS_DR14.jpg)
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| IC 660 with LEDA 1192901 (ru) | |
| AladinLite | |
| Constellation | lion |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 10 h 58 m 26.661 s |
| declination | + 01 ° 22 ′ 58.49 ″ |
| Appearance | |
| Morphological type | S0 / E / LINER |
| Brightness (visual) | 14.4 mag |
| Brightness (B-band) | 15.4 mag |
| Angular expansion | 0.90 ′ × 0.5 ′ |
| Position angle | 41 ° |
| Surface brightness | 13.6 mag / arcmin² |
| Physical data | |
| Affiliation | Abell 1139 |
| Redshift | 0.040942 ± 0.000031 |
| Radial velocity | 12,274 ± 9 km / s |
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Stroke distance v rad / H 0 |
(543 ± 38) · 10 6 ly (166.4 ± 11.6) Mpc |
| history | |
| discovery | Stéphane Javelle |
| Discovery date | March 11, 1893 |
| Catalog names | |
| IC 660 • PGC 33017 • CGCG 010-048 • 2MASX J10582669 + 0122583 • SDSS J105826.66 + 012258.4 • WISEA J105826.66 + 012258.5 | |
IC 660 is an elliptical galaxy of the Hubble type E3-4 with an active galaxy core in the constellation Leo on the ecliptic . It is an estimated 543 million light years away from the Milky Way and about 145,000 light years in diameter .
In the same area of the sky are u. a. the galaxies IC 661 and IC 662 .
The object was discovered on March 11, 1893 by Stéphane Javelle .