NGC 166
| Galaxy NGC 166 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | whale |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 00 h 35 m 48.8 s |
| declination | -13 ° 36 ′ 38 ″ |
| Appearance | |
| Morphological type | Sa / Sy2 |
| Brightness (visual) | 14.5 mag |
| Brightness (B-band) | 15.4 mag |
| Angular expansion | 0.90 ′ × 0.30 ′ |
| Position angle | 145 ° |
| Surface brightness | 12.9 mag / arcmin² |
| Physical data | |
| Redshift | 0.020084 ± 0.000127 |
| Radial velocity | 6021 ± 38 km / s |
|
Stroke distance v rad / H 0 |
(271 ± 19) · 10 6 ly (83.1 ± 5.8) Mpc |
| history | |
| discovery | Francis Preserved Leavenworth |
| Discovery date | 1886 |
| Catalog names | |
| NGC 166 • PGC 2143 • MCG -02-02-063 • IRAS F00332-1353 • 2MASX J00354879-1336383 • GALEX ASC J003548.68-133636.7 | |
NGC 166 is a spiral galaxy with an active nucleus of the Hubble type Sa in the constellation Whale south of the ecliptic . It is estimated to be 271 million light-years away from the Milky Way and has a diameter of about 70,000 ly. a. the galaxies IC 27 and IC 28 .
The object was discovered in 1886 by the American astronomer Francis Preserved Leavenworth .