NGC 4547
| Galaxy NGC 4547 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Big Bear |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 12 h 34 m 51.8 s |
| declination | + 58 ° 55 ′ 00 ″ |
| Appearance | |
| Morphological type | E0 |
| Brightness (visual) | 14.5 mag |
| Brightness (B-band) | 15.5 mag |
| Angular expansion | 0.5 ′ × 0.4 ′ |
| Position angle | 96 ° |
| Surface brightness | 12.8 mag / arcmin² |
| Physical data | |
| Redshift | 0.042803 ± 0.000083 |
| Radial velocity | 12832 ± 25 km / s |
|
Stroke distance v rad / H 0 |
(578 ± 40) · 10 6 Lj (177.2 ± 12.4) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | April 17, 1789 |
| Catalog names | |
| NGC 4547 • PGC 41896 • CGCG 293-030 • MCG + 10-18-69 • 2MASX J12345191 + 5855002 • GC 3091 • H III 802 • h 1344 • | |
NGC 4547 is an elliptical galaxy of Hubble type e-S0 in the constellation Ursa Major. It is estimated to be 578 million light years from the Milky Way .
The object was discovered on April 17, 1789 by the astronomer Wilhelm Herschel .