HCG 21

right ascension (1950)

02 43 00.37

declination (1950)

-17 50 12.7 

galactic longitude (deg)

199.03

galactic latitude (deg)

-62.09

mean redshift

0.0251

total blue magnitude

12.65

number of galaxies

5

number of accordant galaxies

 3

median galaxy separation (kpc)

 134.9

radial velocity dispersion (km/s)

 112.2

crossing time/Hubble time

 0.0933

mass-to-light ratio (solar units)

 63.1

image size

15 arcmin

 
Last updated: 2000/03/09
hickson@astro.ubc.ca