NGC 4342
| Galaxy NGC 4342 / IC 3256 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Virgin |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 12 h 23 m 39.0 s |
| declination | + 07 ° 03 ′ 14 ″ |
| Appearance | |
| Morphological type | E-S0 |
| Brightness (visual) | 12.2 mag |
| Brightness (B-band) | 13.2 mag |
| Angular expansion | 1.20 × 0.6 |
| Position angle | 168 ° |
| Surface brightness | 11.9 mag / arcmin² |
| Physical data | |
| Redshift | 0.002538 ± 0.000017 |
| Radial velocity | 761 ± 5 km / s |
|
Stroke distance v rad / H 0 |
(31 ± 2) x 10 6 ly (9.4 ± 0.7) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | April 13, 1784 |
| Catalog names | |
| NGC 4342 • IC 3256 • UGC 07466 • PGC 40252 • CGCG 042-071 • MCG + 01-32-039 • 2MASX J12233902 + 0703141 • VCC 0657 • GC 2906 • H III 96 • | |
NGC 4342 = IC 3256 , is a lenticular galaxy of the Hubble type S0- in the constellation Virgo in the northern sky . It is estimated to be 31 million light years from the Milky Way and is cataloged under VCC 657 as a member of the Virgo Galaxy Cluster.
In the same area of the sky are u. a. the galaxies NGC 4341 , NGC 4365 , IC 3259 , IC 3267 and PGC 40338 .
The object was discovered on April 13, 1784 by the astronomer William Herschel .
Web links
- Spektrum.de : Labeled environmental recording