NGC 2939
| Galaxy NGC 2939 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | lion |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 09 h 38 m 08.1 s |
| declination | + 09 ° 31 ′ 18 ″ |
| Appearance | |
| Morphological type | Sbc |
| Brightness (visual) | 12.6 mag |
| Brightness (B-band) | 13.4 mag |
| Angular expansion | 2.4 ′ × 0.6 ′ |
| Position angle | 157 ° |
| Surface brightness | 12.8 mag / arcmin² |
| Physical data | |
| Affiliation | WBL 228 LGG 177 |
| Redshift | 0.011138 ± 0.000017 |
| Radial velocity | 3339 ± 5 km / s |
|
Stroke distance v rad / H 0 |
(144 ± 10) · 10 6 ly (44.1 ± 3.1) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | January 18, 1784 |
| Catalog names | |
| NGC 2939 • UGC 5134 • PGC 27451 • CGCG 063-022 • MCG + 02-25-011 • IRAS 09354 + 0945 • 2MASX J09380786 + 0931258 • GC 1884 • H III 4 • h 614 • HIPASS J0938 + 09 • LDCE 655 NED005 | |
NGC 2939 is a spiral galaxy of Hubble type Sbc in the constellation Leo on the ecliptic . It is estimated to be 144 million light-years from the Milky Way and about 105,000 light-years across.
In the same area of the sky are u. a. the galaxies NGC 2913 , NGC 2940 , IC 548 .
The supernovae SN 2009ao and SN 2011cf (Type II) were observed here.
The object was discovered by Wilhelm Herschel on January 18, 1784 .
Web links
Commons : NGC 2939 - collection of images, videos, and audio files
