HCG 20
right ascension (1950) |
02 41 20.15 |
|
declination (1950) |
+25 53 42.0 |
|
galactic longitude (deg) |
152.35 |
|
galactic latitude (deg) |
-30.24 |
|
mean redshift |
0.0484 |
|
total blue magnitude |
15.14 |
|
number of galaxies |
6 |
|
number of accordant galaxies |
5 |
|
median galaxy separation (kpc) |
31.4 |
|
radial velocity dispersion (km/s) |
275.4 |
|
crossing time/Hubble time |
0.0085 |
|
mass-to-light ratio (solar units) |
77.6 |
|
image size |
5 arcmin |