NGC 5645
| Galaxy NGC 5645 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Virgin |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 14 h 30 m 39.3 s |
| declination | + 07 ° 16 ′ 30 ″ |
| Appearance | |
| Morphological type | SB (s) d |
| Brightness (visual) | 12.2 mag |
| Brightness (B-band) | 12.9 mag |
| Angular expansion | 2.6 ′ × 1.6 ′ |
| Position angle | 80 ° |
| Surface brightness | 13.6 mag / arcmin² |
| Physical data | |
| Redshift | 0.004570 ± 0.000005 |
| Radial velocity | (1370 ± 1) km / s |
|
Stroke distance v rad / H 0 |
(61 ± 4) · 10 6 ly (18.8 ± 1.3) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | April 13, 1784 |
| Catalog names | |
| NGC 5645 • UGC 9328 • PGC 51846 • CGCG 047-070 • MCG + 01-37-19 • IRAS 14281 + 0729 • KUG 1428 + 074 • GC 3910 • H II 150 • h 1823 • LDCE 1076 NED014 | |
NGC 5645 is a 12.2 mag bright barred spiral galaxy of the Hubble type SBcd in the constellation Virgo and about 61 million light years from the Milky Way.
It was discovered on April 13, 1784 by Wilhelm Herschel with an 18.7-inch reflecting telescope, who described it as "faint, pretty large, nearly round, easily resolvable".