PGC 18
| Galaxy LEDA / PGC 18 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Andromeda |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 00 h 00 m 13.0 s |
| declination | 46 ° 57 ′ 55 ″ |
| Appearance | |
| Morphological type | S. |
| Physical data | |
| Affiliation | WBL 729 IC 1525 group LGG 485 |
| Redshift | 0.017899 ± 0.000120 |
| Radial velocity | 5366 ± 36 km / s |
|
Stroke distance v rad / H 0 |
(249 ± 18) · 10 6 ly (76.2 ± 5.4) Mpc |
| diameter | 75,000 ly |
| history | |
| Catalog names | |
| PGC 18 • CGCG 548-023 • CGCG 549-014 • MCG + 08-01-019 • 2MASX J00001295 + 4657543 • NVSS J000012 + 465754 • USGC U864 NED01 | |
LEDA / PGC 18 is a spiral galaxy with a high rate of star formation of the Hubble type S in the constellation Andromeda in the northern sky . It is around 249 million light years away from the Milky Way and has a diameter of around 75,000 light years .
The object is a member of the galaxy group WBL 729 or LGG 485 , a group of galaxies with an average radial velocity of about 5020 km / s. This group also includes PGC 2 , PGC 676 , PGC 73195 and IC 1525 .