NGC 4487
| Galaxy NGC 4487 |
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|---|---|
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| Photo from the Hubble Space Telescope | |
| AladinLite | |
| Constellation | Virgin |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 12 h 31 m 04.4 s |
| declination | -08 ° 03 ′ 14 ″ |
| Appearance | |
| Morphological type | SAB (rs) cd |
| Brightness (visual) | 11.0 mag |
| Brightness (B-band) | 11.7 mag |
| Angular expansion | 4 ′ × 2.8 ′ |
| Position angle | 75 ° |
| Surface brightness | 13.5 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 293 |
| Redshift | 0.003456 ± 0.000007 |
| Radial velocity | (1036 ± 2) km / s |
|
Stroke distance v rad / H 0 |
(41 ± 3) · 10 6 ly (12.6 ± 0.9) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | March 23, 1789 |
| Catalog names | |
| NGC 4487 • PGC 41399 • MCG -01-32-021 • IRAS 12285-0746 • 2MASX J12310446-0803140 • GC 3036 • H II 776 • LDCE 0904 NED163 | |
NGC 4487 is a Hubble-type SAB (rs) cd spiral galaxy in the constellation Virgo in the northern sky , an estimated 41 million light years away from the Milky Way .
The galaxy was discovered on March 23, 1789 by the astronomer William Herschel using his 18.7-inch mirror telescope.
Web links
The Carnegie-Irvine Galaxy Survey: NGC 4487