NGC 4218
| Galaxy NGC 4218 |
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|---|---|
![NGC 4218 [1] SDSS image](https://de.wikipedia.org/wiki/Datei:NGC4218_-_SDSS_DR14.jpg)
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| NGC 4218 SDSS image | |
| AladinLite | |
| Constellation | Hunting dogs |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 12 h 15 m 46.410 s |
| declination | + 48 ° 07 ′ 51.00 ″ |
| Appearance | |
| Morphological type | Sa? |
| Brightness (visual) | 12.5 mag |
| Brightness (B-band) | 13.4 mag |
| Angular expansion | 1.2 '× 0.7' |
| Position angle | 142 ° |
| Surface brightness | 12.2 mag / arcmin² |
| Physical data | |
| Affiliation | UMa cluster NGC 4051 group LGG 269 |
| Redshift | 0.002435 ± 0.000006 |
| Radial velocity | (730 ± 2) km / s |
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Stroke distance v rad / H 0 |
(35 ± 2) x 10 6 ly (10.84 ± 0.76) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | March 9, 1788 |
| Catalog names | |
| NGC 4218 • UGC 7283 • PGC 39237 • MCG + 08-22-088 • IRAS 12132 + 4824 • 2MASX J12154624 + 4807531 • GC 2808 • H III 718 • NVSS J121546 + 480749 • LDCE 867 NED091 • HARO 28 • WISEA J121546.41 +480751.9 | |
NGC 4218 is a spiral dwarf galaxy of the Hubble type Sa in the constellation Hounds in the northern sky . It is estimated to be 35 million light years from the Milky Way and about 10,000 light years across . The galaxy is part of the Ursa Major Galaxy Cluster and a member of the NGC 4051 group ( LGG 269 ).
In the same area of the sky are u. a. the galaxies NGC 4220 , NGC 4231 , NGC 4232 , NGC 4248 .
The object was discovered March 9, 1788 by William Herschel .
Web links
Commons : NGC 4218 - collection of images, videos, and audio files
