NGC 7223
| Galaxy NGC 7223 |
|
|---|---|
![NGC 7223 with LEDA 214803 (ro) [1]](https://de.wikipedia.org/wiki/Datei:NGC7223_-_SDSS_DR14.jpg)
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| NGC 7223 with LEDA 214803 (ro) | |
| AladinLite | |
| Constellation | lizard |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 22 h 10 m 09.16 s |
| declination | + 41 ° 01 ′ 02.2 ″ |
| Appearance | |
| Morphological type | SB (rs) bc |
| Brightness (visual) | 12.7 mag |
| Brightness (B-band) | 13.4 mag |
| Angular expansion | 1.4 '× 1.1' |
| Position angle | 144 ° |
| Surface brightness | 13.0 mag / arcmin² |
| Physical data | |
| Affiliation | NGC 7223 group LGG 453 |
| Redshift | 0.015621 ± 0.000010 |
| Radial velocity | 4683 ± 3 km / s |
|
Stroke distance v rad / H 0 |
(219 ± 15) x 10 6 ly (67.2 ± 4.7) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | November 8, 1790 |
| Catalog names | |
| NGC 7223 • UGC 11931 • PGC 68197 • CGCG 530-013 • MCG + 07-45-018 • IRAS 22081 + 4046 • 2MASX J22100914 + 4101021 • HOLM 788A • LDCE 1503 NED011 • NVSS J221009 + 410105 • WISEA J221009.17 + 410102.2 | |
NGC 7223 is a barred spiral galaxy of the Hubble type SBc in the constellation Lizard in the northern sky . It is estimated to be 219 million light years from the Milky Way and about 90,000 light years in diameter. Together with PGC 214803 it forms the gravitationally bound galaxy pair Holm 788 . In addition, it is the brightest galaxy in the NGC 7223 group ( LGG 453 ).
The object was discovered by Wilhelm Herschel on November 8, 1790 .
NGC 7223 group ( LGG 453 )
| Galaxy | Alternative name | Distance / million ly |
|---|---|---|
| NGC 7223 | PGC 68197 | 219 |
| PGC 67977 | UGC 11895 | 220 |
| PGC 67985 | UGC 11897 | 207 |
| PGC 68171 | UGC 11927 | 210 |
| PGC 68178 | UGC 11929 | 220 |
| PGC 68169 | 219 |