NGC 5237
| Galaxy NGC 5237 |
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|---|---|
![NGC 5237 [1]](https://de.wikipedia.org/wiki/Datei:Color_cutout_hst_9771_94_acs_wfc_f814w_f606w_sci_NGC_5237.jpg)
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| NGC 5237 | |
| AladinLite | |
| Constellation | centaur |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 13 h 37 m 39.05 s |
| declination | -42 ° 50 ′ 49.1 ″ |
| Appearance | |
| Morphological type | I0? |
| Brightness (visual) | 12.2 mag |
| Brightness (B-band) | 13.2 mag |
| Angular expansion | 2.0 ′ × 1.6 ′ |
| Position angle | 115 ° |
| Surface brightness | 13.5 mag / arcmin² |
| Physical data | |
| Affiliation |
M83 group NGC 5128 group LGG 344 |
| Redshift | 0.001204 ± 0.000013 |
| Radial velocity | 361 ± 4 km / s |
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Stroke distance v rad / H 0 |
(9 ± 1) x 10 6 ly (2.82 ± 0.22) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | June 3, 1834 |
| Catalog names | |
| NGC 5237 • PGC 48139 • ESO 270-022 • MCG -07-28-005 • 2MASX J13373905-4250488 • SGC 133440-4235.6 • GC 3607 • h 3524 • HIPASS J1337-42 • LDCE 993 NED006 • WISEA J133739.16-425050.5 | |
NGC 5237 is a merging, irregular dwarf galaxy with an apparent magnitude of 12.2 mag of the Hubble type Im in the constellation Centaur in the southern sky . It is estimated to be 9 million light years from the Milky Way and is considered a member of the NGC 5128 group ( LGG 344 ).
The object was discovered on June 3, 1834 by John Herschel with an 18-inch reflector telescope, which with a total of four observations “vF, pL, lE, glvM, 90 arcseconds long”, “F, pL, R, glbM, 40 arcseconds "," F, pL, oval; vgbM, 1 ′ long, 50 arcseconds broad "and" F, pL, R, comparebM, 40 arcseconds ".