NGC 5644
| Galaxy NGC 5644 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Bear keeper |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 14 h 30 m 25.6 s |
| declination | + 11 ° 55 ′ 41 ″ |
| Appearance | |
| Morphological type | S0 |
| Brightness (visual) | 12.8 mag |
| Brightness (B-band) | 13.8 mag |
| Angular expansion | 1.4 ′ × 1.4 ′ |
| Surface brightness | 13.4 mag / arcmin² |
| Physical data | |
| Redshift | 0.025588 ± 0.000073 |
| Radial velocity | (7671 ± 22) km / s |
|
Stroke distance v rad / H 0 |
(343 ± 24) x 10 6 ly (105.3 ± 7.4) Mpc |
| history | |
| discovery | Édouard Stephan |
| Discovery date | June 11, 1880 |
| Catalog names | |
| NGC 5644 • UGC 9321 • PGC 51834 • CGCG 075-057 • MCG + 02-37-16 • LDCE 1059 NED007 | |
NGC 5644 is a 12.8 mag bright, lens-shaped galaxy of the Hubble-type S0 in the constellation Bear Keeper and about 343 million light-years from the Milky Way.
It was discovered on June 11, 1880 by Édouard Stephan .
Web links
- NGC 5644. SIMBAD, accessed March 20, 2016 .
- NGC 5644. DSO Browser, accessed March 20, 2016 .
- Auke Slotegraaf: NGC 5644. Deep Sky Observer's Companion, accessed on March 20, 2016 (English).