NGC 481
| Galaxy NGC 481 |
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|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | whale |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 01 h 21 m 12.54 s |
| declination | -09 ° 12 ′ 39.9 ″ |
| Appearance | |
| Morphological type | SA (r) 0- / pec? |
| Brightness (visual) | 13.5 likes |
| Brightness (B-band) | 14.5 mag |
| Angular expansion | 1.7 ′ × 1.3 ′ |
| Position angle | 85 ° |
| Surface brightness | 13.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.018456 ± 0.000100 |
| Radial velocity | 5533 ± 30 km / s |
|
Stroke distance v rad / H 0 |
(249 ± 18) · 10 6 ly (76.3 ± 5.4) Mpc |
| history | |
| discovery | Lewis A. Swift |
| Discovery date | November 20, 1886 |
| Catalog names | |
| NGC 481 • PGC 4899 • MCG -02-04-030 • 2MASX J01211246-091240 • GALEX ASC J012112.57-091239.2 | |
NGC 481 is an elliptical galaxy of Hubble type E / S0 in the constellation Cetus south of the ecliptic . It is estimated to be 249 million light years away from the Milky Way and has a diameter of around 85,000 ly.
In the same area of the sky is the galaxy NGC 480 .
The object was discovered on November 20, 1886 by the American astronomer Lewis A. Swift .
Web links
Commons : NGC 481 - collection of images, videos, and audio files
Individual evidence