NGC 487
| Galaxy NGC 487 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | whale |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 01 h 21 m 55.1 s |
| declination | -16 ° 22 ′ 13 ″ |
| Appearance | |
| Morphological type | SB (r) a: |
| Brightness (visual) | 13.4 mag |
| Brightness (B-band) | 14.3 mag |
| Angular expansion | 1.1 ′ × 0.7 ′ |
| Position angle | 12 ° |
| Surface brightness | 13.0 mag / arcmin² |
| Physical data | |
| Redshift | 0.01978 ± 0.00009 |
| Radial velocity | 5931 ± 28 km / s |
|
Stroke distance v rad / H 0 |
(266 ± 19) · 10 6 ly (81.6 ± 5.7) Mpc |
| history | |
| discovery | Francis P. Leavenworth |
| Discovery date | November 28, 1885 |
| Catalog names | |
| NGC 487 • PGC 4958 • MCG -03-04-056 • 2MASX J01215507-1622134 • GALEX ASC J012155.09-162212.8 • LDCE 81 NED005 | |
NGC 487 is a spiral galaxy of Hubble type Sa in the constellation Cetus south of the ecliptic . It is estimated to be 266 million light years from the Milky Way and about 85,000 light years in diameter.
The object was discovered on November 28, 1885 by the American astronomer Francis Preserved Leavenworth .