NGC 2923
| Galaxy NGC 2923 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | lion |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 09 h 36 m 03.8 s |
| declination | + 16 ° 45 ′ 37 ″ |
| Appearance | |
| Morphological type | SAB (rs) b? |
| Brightness (visual) | 14.2 mag |
| Brightness (B-band) | 15.2 mag |
| Angular expansion | 0.50 ′ × 0.4 ′ |
| Position angle | 15 ° |
| Surface brightness | 12.3 mag / arcmin² |
| Physical data | |
| Redshift | 0.027367 ± 0.000097 |
| Radial velocity | 8204 ± 29 km / s |
|
Stroke distance v rad / H 0 |
(362 ± 25) x 10 6 ly (111.1 ± 7.8) Mpc |
| history | |
| discovery | Albert Marth |
| Discovery date | April 1, 1864 |
| Catalog names | |
| NGC 2923 • PGC 27306 • CGCG 092-008 • IRAS F09333 + 1659 • 2MASX J09360382 + 1645371 • GALEX ASC J093603.82 + 164537.7 • USGC U242 NED08 | |
NGC 2923 is a barred spiral galaxy of the Hubble type SBb in the constellation Leo, north of the ecliptic . It is an estimated 362 million light-years from the Milky Way and about 55,000 light-years across.
In the same area of the sky are u. a. the galaxies NGC 2928 , NGC 2933 , NGC 2934 , NGC 2941 .
The Type II supernova SN 2005K was observed here.
The object was discovered by Albert Marth on April 1, 1864 .
Web links
Commons : NGC 2923 - collection of images, videos, and audio files
