NGC 109
| Galaxy data from NGC 109 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Andromeda |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 00 h 26 m 14.4 s |
| declination | + 21 ° 48 ′ 26 ″ |
| Appearance | |
| Morphological type | SB (r) a |
| Brightness (visual) | 14.1 mag |
| Brightness (B-band) | 15.0 mag |
| Angular expansion | 1.1 ′ × 1 ′ |
| Position angle | 77 ° |
| Surface brightness | 14.1 mag / arcmin² |
| Physical data | |
| Redshift | 0.018206 ± 0.000063 |
| Radial velocity | 5458 ± 19 km / s |
|
Stroke distance v rad / H 0 |
(250 ± 18) x 10 6 ly (76.8 ± 5.4) Mpc |
| history | |
| discovery | Heinrich d'Arrest |
| Discovery date | October 8, 1861 |
| Catalog names | |
| NGC 109 • UGC 251 • PGC 1633 • CGCG 479-031 • MCG + 04-02-020 • GC 54 • KCPG 8B • NPM1G +21.0018; • LDCE 17 NED017 • KPG 008B | |
NGC 109 is a bar-spiral galaxy of the Hubble type SBa in the constellation Andromeda in the northern sky . It is estimated to be 250 million light years from the Milky Way and about 80,000 light years in diameter. Together with PGC 1622 , it forms the isolated and gravitationally bound galaxy pair KPG 8 .
The object was discovered on October 8, 1861 by the German-Danish astronomer Heinrich Ludwig d'Arrest .
Web links
Individual evidence