NGC 5238
| Galaxy NGC 5238 |
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|---|---|
![NGC 5238 [1] SDSS image](https://de.wikipedia.org/wiki/Datei:NGC5238_-_SDSS_DR14.jpg)
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| NGC 5238 SDSS image | |
| AladinLite | |
| Constellation | Hunting dogs |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 13 h 34 m 42.513 s |
| declination | + 51 ° 36 ′ 49.25 ″ |
| Appearance | |
| Morphological type | SAB (s) dm |
| Brightness (visual) | 13.7 mag |
| Brightness (B-band) | 14.3 mag |
| Angular expansion | 1.5 '× 1.2' |
| Position angle | 160 ° |
| Surface brightness | 14.2 mag / arcmin² |
| Physical data | |
| Redshift | 0.000784 ± 0.000007 |
| Radial velocity | 235 ± 2 km / s |
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Stroke distance v rad / H 0 |
(15 ± 1) x 10 6 ly (4.61 ± 0.33) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | April 26, 1789 |
| Catalog names | |
| NGC 5238 • UGC 8565 • PGC 47853 • CGCG 271-052 • MCG + 09-22-82 • IRAS Z13325 + 5152 • 2MASX J13344249 + 5136494 • VV 828 • GC 3609 • H III 823 • KPG 384A • NSA 68940 | |
NGC 5238 is a merging spiral galaxy of the Hubble-type Sd in the constellation Hounds in the northern sky . It is estimated to be 15 million light years from the Milky Way and <10,000 light years in diameter.
In the same area of the sky are u. a. the galaxies NGC 5225 and NGC 5250 .
The object was discovered on April 26, 1789 by the astronomer William Herschel with an 18.7-inch reflecting telescope.