NGC 4118
| Galaxy NGC 4118 |
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|---|---|
![NGC 4117 & NGC 4118 [1]](https://de.wikipedia.org/wiki/Datei:NGC4117_NGC4118_-_SDSS_DR14.png)
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| NGC 4117 & NGC 4118 | |
| AladinLite | |
| Constellation | Hunting dogs |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 12 h 07 m 52.870 s |
| declination | + 43 ° 06 ′ 39.80 ″ |
| Appearance | |
| Morphological type | S0 +? |
| Brightness (visual) | 14.7 mag |
| Brightness (B-band) | 15.5 mag |
| Angular expansion | 0.7 ′ × 0.4 ′ |
| Position angle | 135 ° |
| Surface brightness | 13.2 mag / arcmin² |
| Physical data | |
| Affiliation | UMa cluster |
| Redshift | 0.002145 ± 0.000006 |
| Radial velocity | 643 ± 2 km / s |
|
Stroke distance v rad / H 0 |
(31 ± 2) x 10 6 ly (9.38 ± 0.66) Mpc |
| history | |
| discovery | RJ Mitchell |
| Discovery date | April 20, 1857 |
| Catalog names | |
| NGC 4118 • UGC 7112 N01 • PGC 38507 • CGCG 215-030 • MCG + 07-25-028 • 2MASX J12075284 + 4306402 • GALEX ASC J120752.78 + 430641.0 • HOLM 334B • NSA 60524 • WISEA J120752.90 + 430638.8 | |
NGC 4118 is a lens-shaped dwarf galaxy with an active galaxy core of the Hubble type S0 / a in the constellation Hounds in the northern sky . It is estimated to be 31 million light years from the Milky Way and> 10,000 light years in diameter. Together with NGC 4117, it forms the gravitationally bound galaxy pair Holm 334 .
In the same area of the sky are u. a. the galaxies NGC 4109 , NGC 4111 , NGC 4138 , NGC 4143 .
The object was discovered by RJ Mitchell on April 20, 1857 .
Web links
Commons : NGC 4118 - collection of images, videos, and audio files
