IC 1042
| Galaxy IC 1042 |
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|---|---|
|
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| SDSS image of IC 1042, companion galaxy NGC 5718 (l.) | |
| AladinLite | |
| Constellation | Virgin |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 14 h 40 m 39.0 s |
| declination | + 03 ° 28 ′ 11 ″ |
| Appearance | |
| Morphological type | S0? |
| Brightness (visual) | 13.6 mag |
| Brightness (B-band) | 14.6 mag |
| Angular expansion | 1.1 ′ × 1.1 ′ |
| Surface brightness | 13.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.026675 +/- 0.000043 |
| Radial velocity | 7997 +/- 13 km / s |
|
Stroke distance v rad / H 0 |
(357 ± 25) · 10 6 ly (109.6 ± 7.7) Mpc |
| history | |
| discovery | Stéphane Javelle |
| Discovery date | May 28, 1891 |
| Catalog names | |
| IC 1042 • UGC 9457 • PGC 52433 • CGCG 047-135 • MCG + 01-37-46 • Arp 171 • H III 550 • | |
IC 1042 is a lenticular galaxy of Hubble type S0 in the constellation Virgo and about 357 million light-years from the Milky Way center. Together with NGC 5718 it forms the galaxy pair Arp 171 . Halton Arp organized his catalog of unusual galaxies into groups according to purely morphological criteria. This galaxy belongs to the class galaxies with diffuse opposing arms (Arp catalog) .
The galaxy was discovered by Stéphane Javelle on May 28, 1891 .
Web links
literature
- Jeff Kanipe and Dennis Webb: The Arp Atlas of Peculiar Galaxies - A Chronicle and Observer's Guide " , Richmond 2006, ISBN 978-0-943396-76-7