IC 661
| Galaxy IC 661 |
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|---|---|
![IC 661 with LEDA 83407 (o) [1]](https://de.wikipedia.org/wiki/Datei:IC661_-_SDSS_DR14.jpg)
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| IC 661 with LEDA 83407 (o) | |
| AladinLite | |
| Constellation | lion |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 10 h 58 m 51.502 s |
| declination | + 01 ° 39 ′ 02.29 ″ |
| Appearance | |
| Morphological type | S0 |
| Brightness (visual) | 14.7 mag |
| Brightness (B-band) | 15.7 mag |
| Angular expansion | 0.60 ′ × 0.6 ′ |
| Surface brightness | 13.7 mag / arcmin² |
| Physical data | |
| Affiliation | Abell 1139 |
| Redshift | 0.039831 ± 0.000019 |
| Radial velocity | 11,941 ± 6 km / s |
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Stroke distance v rad / H 0 |
(528 ± 37) · 10 6 ly (161.8 ± 11.3) Mpc |
| history | |
| discovery | Stéphane Javelle |
| Discovery date | March 11, 1893 |
| Catalog names | |
| IC 661 • PGC 33051 • CGCG 010-050 • 2MASX J10585152 + 0139022 • 2MASS J10585150 + 0139023 • NSA 13530 • WISEA J105851.50 + 013902.3 | |
IC 661 is an elliptical galaxy of Hubble type E / S0 in the constellation Leo on the ecliptic . It is estimated to be 528 million light years from the Milky Way and about 95,000 light years across .
In the same area of the sky are u. a. the galaxies IC 660 and IC 662 .
The object was discovered on March 11, 1893 by Stéphane Javelle .