NGC 5756
| Galaxy NGC 5756 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Libra |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 14 h 47 m 33.7 s |
| declination | -14 ° 51 ′ 13 ″ |
| Appearance | |
| Morphological type | (R ') SB (s) bc pec HII |
| Brightness (visual) | 12.3 mag |
| Brightness (B-band) | 13.1 mag |
| Angular expansion | 2.8 ′ × 1.3 ′ |
| Position angle | 62 ° |
| Surface brightness | 13.6 mag / arcmin² |
| Physical data | |
| Redshift | 0.007142 ± 0.000017 |
| Radial velocity | (2141 ± 5) km / s |
|
Stroke distance v rad / H 0 |
(94 ± 7) x 10 6 ly (28.7 ± 2.0) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | June 5, 1836 |
| Catalog names | |
| NGC 5756 • PGC 52825 • MCG -02-38-12 • IRAS 14448-1438 • GC 3993 • h 3581 • | |
NGC 5756 is a 12.3 likes bright barred spiral galaxy with pronounced emission lines from the Hubble type SBBC in the constellation Libra and about 94 million light-years from the Milky Way center.
It was discovered on June 5, 1836 by John Herschel with an 18-inch reflector telescope, who noted "pB, pmE, gpmbM, 80 arcseconds".