NGC 5523
| Galaxy NGC 5523 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Bear keeper |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 14 h 14 m 52.3 s |
| declination | + 25 ° 19 ′ 03 ″ |
| Appearance | |
| Morphological type | SA (s) cd |
| Brightness (visual) | 12.2 mag |
| Brightness (B-band) | 12.9 mag |
| Angular expansion | 4.7 ′ × 1.1 ′ |
| Position angle | 93 ° |
| Surface brightness | 13.8 mag / arcmin² |
| Physical data | |
| Redshift | 0.003466 +/- 0.000018 |
| Radial velocity | 1039 +/- 5 km / s |
|
Stroke distance v rad / H 0 |
(49 ± 3) x 10 6 ly (14.9 ± 1.0) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | May 19, 1784 |
| Catalog names | |
| NGC 5523 • UGC 9119 • PGC 50895 • CGCG 133-018 • MCG + 04-34-008 • IRAS 14125 + 2533 • GC 3818 • H III 134 • h 1762 • | |
NGC 5523 is a 12.2 likes bright spiral galaxy of Hubble type Sc in the constellation Bootes and about 49 million light-years from the Milky Way center.
It was discovered on May 19, 1784 by Wilhelm Herschel with an 18.7-inch reflector telescope, who described it as "vF, pL, E, lying along the parallel of the declination, resolvable".