NGC 5532
| Galaxy NGC 5532 |
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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 |
|
| Right ascension | 14 h 16 m 52.9 s |
| declination | + 10 ° 48 ′ 27 ″ |
| Appearance | |
| Morphological type | S0 / FRI / LEG |
| Brightness (visual) | 11.9 likes |
| Brightness (B-band) | 12.9 mag |
| Angular expansion | 1.6 ′ × 1.6 ′ |
| Surface brightness | 12.8 mag / arcmin² |
| Physical data | |
| Redshift | 0.024704 +/- 0.000070 |
| Radial velocity | 7406 +/- 21 km / s |
|
Stroke distance v rad / H 0 |
(331 ± 23) x 10 6 ly (101.5 ± 7.1) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | March 15, 1784 |
| Catalog names | |
| NGC 5532, 5532A • UGC 9137 • PGC 51006 • CGCG 074-156 • MCG + 02-36-062 • GC 3825 • H III 47 • h 1765 • LDCE 1051 NED001 | |
NGC 5532 , also NGC 5532A called, is a 12.6 likes bright lenticular radio galaxy from the Hubble type S0 in the constellation Bootes and about 331 million light-years from the Milky Way center.
Together with the non-NGC object PGC 214240 ( NGC 5532B ), it forms a gravitationally bound double galaxy and was discovered by Wilhelm Herschel on March 15, 1784 with an 18.7-inch reflector telescope, who marked it with "vF, r, 2 or 3 stars in it ”.