NGC 177
| Galaxy NGC 177 |
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|---|---|
![NGC 177 [1] SDSS image](https://de.wikipedia.org/wiki/Datei:NGC177_-_SDSS_DR14.jpg)
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| NGC 177 SDSS image | |
| AladinLite | |
| Constellation | whale |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 00 h 37 m 34.34 s |
| declination | -22 ° 32 ′ 57.3 ″ |
| Appearance | |
| Morphological type | SAB (r) b / LLAGN |
| Brightness (visual) | 13.3 mag |
| Brightness (B-band) | 14.1 mag |
| Angular expansion | 2 ′, 2 × 0 ′, 5 |
| Position angle | 11 ° |
| Surface brightness | 13.3 mag / arcmin² |
| Physical data | |
| Redshift | 0.012792 ± 0.000013 |
| Radial velocity | 3835 ± 4 km / s |
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Stroke distance v rad / H 0 |
(172 ± 12) · 10 6 ly (52.7 ± 3.7) Mpc |
| history | |
| discovery | Frank Muller |
| Discovery date | 1886 |
| Catalog names | |
| NGC 177 • PGC 2241 • ESO 474-006 • MCG -04-02-028 • 2MASX J00373433-2232573 • SGC 003506-2249.4 • 2MASS J00373433-2232572 • KTS 4C • NSA 127314 | |
NGC 177 is a spiral galaxy of Hubble type Sab with active galactic nucleus in the constellation Cetus south of the ecliptic . It is estimated to be 172 million light years from the Milky Way and about 110,000 light years across . Together with NGC 168 and NGC 172 , it forms the (optical?) Galaxy trio KTS 4 .
In the same area of the sky is u. a. the galaxy NGC 167 .
The object was discovered in 1886 by the astronomer Frank Muller .