NGC 4939
| Galaxy data from NGC 4939 |
|
|---|---|
|
|
| Photo from the Hubble Space Telescope | |
| AladinLite | |
| Constellation | Virgin |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 13 h 04 m 14.4 s |
| declination | -10 ° 20 ′ 23 ″ |
| Appearance | |
| Morphological type | SA (s) bc / Sy2 |
| Brightness (visual) | 11.3 mag |
| Brightness (B-band) | 12.1 mag |
| Angular expansion | 5.5 ′ × 2.8 ′ |
| Position angle | 5 ° |
| Surface brightness | 14.1 mag / arcmin² |
| Physical data | |
| Redshift | 0.010374 ± 0.000013 |
| Radial velocity | 3110 ± 4 km / s |
|
Stroke distance v rad / H 0 |
(134 ± 9) x 10 6 ly (41.2 ± 2.9) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | March 25, 1786 |
| Catalog names | |
| NGC 4939 • PGC 45170 • MCG -02-33-104 • IRAS 13016-1004 • 2MASX J13041438-1020225 • GC 3381 • H II 561 • h 3458 • HIPASS J1304-10 | |
NGC 4939 is a spiral galaxy with an active nucleus of the Hubble type Sbc and lies in the constellation Virgo on the ecliptic . It is around 134 million light years away from the Milky Way and has a diameter of around 225,000 light years .
The supernovae SN 1968X , SN 1973J , SN 2008aw (Type-II) and SN 2014B (Type-IIP) were observed here.
The object was discovered by William Herschel on March 25, 1786 .
Web links
Commons : NGC 4939 - collection of images, videos, and audio files
