NGC 5147
| Galaxy NGC 5147 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Virgin |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 13 h 26 m 19.7 s |
| declination | + 02 ° 06 ′ 02 ″ |
| Appearance | |
| Morphological type | SB (s) dm / HII |
| Brightness (visual) | 11.7 mag |
| Brightness (B-band) | 12.3 mag |
| Angular expansion | 1.9 ′ × 1.6 ′ |
| Position angle | 120 ° |
| Surface brightness | 12.8 mag / arcmin² |
| Physical data | |
| Redshift | 0.003629 +/- 0.000013 |
| Radial velocity | 1088 +/- 4 km / s |
|
Stroke distance v rad / H 0 |
(46 ± 3) x 10 6 ly (14.2 ± 1.0) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | January 24, 1784 |
| Catalog names | |
| NGC 5147 • UGC 8443 • PGC 47027 • CGCG 016-069 • MCG + 00-34-033 • IRAS 13237 + 0221 • 2MASX J13261970 + 0206027 • GC 3539 • H II 25 • h 1601 • | |
NGC 5147 is an 11.7 mag bright barred spiral galaxy with pronounced H-II regions of the Hubble type SBd in the constellation Virgo . It is estimated to be 46 million light years from the Milky Way and about 30,000 ly in diameter.
It was discovered on January 24, 1784 by Wilhelm Herschel with an 18.7-inch reflector telescope, who described it as "pretty bright, considerably large, nearly round, much brighter in the middle".