HCG 15
right ascension (1950) |
02 05 02.95 |
|
declination (1950) |
+01 54 58.0 |
|
galactic longitude (deg) |
158.03 |
|
galactic latitude (deg) |
-55.44 |
|
mean redshift |
0.0228 |
|
total blue magnitude |
12.82 |
|
number of galaxies |
6 |
|
number of accordant galaxies |
6 |
|
median galaxy separation (kpc) |
77.6 |
|
radial velocity dispersion (km/s) |
426.6 |
|
crossing time/Hubble time |
0.0135 |
|
mass-to-light ratio (solar units) |
616.6 |
|
image size |
10 arcmin |