NGC 4391
| Galaxy NGC 4391 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Dragon |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 12 h 25 m 18.8 s |
| declination | + 64 ° 56 ′ 01 ″ |
| Appearance | |
| Morphological type | SA0-: |
| Brightness (visual) | 12.7 mag |
| Brightness (B-band) | 13.7 mag |
| Angular expansion | 1.1 ′ × 1.1 ′ |
| Surface brightness | 13.0 mag / arcmin² |
| Physical data | |
| Redshift | 0.004419 ± 0.000067 |
| Radial velocity | (1325 ± 20) km / s |
|
Stroke distance v rad / H 0 |
(64 ± 5) x 10 6 ly (19.7 ± 1.4) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | March 20, 1790 |
| Catalog names | |
| NGC 4391 • UGC 7511 • PGC 40500 • CGCG 315-037 • MCG + 11-15-053 • 2MASX J12251872 + 6456008 • GC 2952 • H III 852 • h 1248 • GALEX ASC J122518.78 + 645600.5 • LDCE 867 NED109 | |
NGC 4391 is an elliptical galaxy of Hubble type E / S0 in the constellation Draco the northern sky . It is estimated to be 64 million light years from the Milky Way and about 20,000 light years across .
The galaxy NGC 4441 is located in the same area of the sky .
The object was discovered by Wilhelm Herschel on March 20, 1790 .
Web links
Commons : NGC 4391 - collection of images, videos, and audio files
