NGC 155
| Galaxy data from NGC 155 |
|
|---|---|
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|
| SDSS recording | |
| AladinLite | |
| Constellation | whale |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 00 h 34 m 40.1 s |
| declination | -10 ° 45 ′ 59 ″ |
| Appearance | |
| Morphological type | S0 ^ 0 ^ / pec |
| Brightness (visual) | 13.3 mag |
| Brightness (B-band) | 14.3 mag |
| Angular expansion | 1.7 ′ × 1.3 ′ |
| Position angle | 175 ° |
| Surface brightness | 14.0 mag / arcmin² |
| Physical data | |
| Affiliation | Abell 85 |
| Redshift | 0.020714 ± 0.000060 |
| Radial velocity | 6210 ± 18 km / s |
|
Stroke distance v rad / H 0 |
(280 ± 20) x 10 6 ly (85.8 ± 6.0) Mpc |
| history | |
| discovery | Lewis A. Swift |
| Discovery date | September 1, 1886 |
| Catalog names | |
| NGC 155 • PGC 2076 • MCG -02-02-055 • 2MASX J00344011-1045593 • GALEX ASC J003440.15-104558.1 • LDCE 32 NED001 | |
NGC 155 is a lenticular galaxy of the Hubble-type S0 in the constellation Whale south of the celestial equator . It is an estimated 280 million light years away from the Milky Way and about 140,000 light years in diameter .
The galaxies NGC 163 and NGC 165 are located in the same area of the sky .
The object was discovered on September 1, 1886 by the American astronomer Lewis A. Swift .
Web links
Commons : NGC 155 - collection of images, videos, and audio files
