def get_mchirp(h5group):
mass1 = h5group['<STR_LIT>'][:]<EOL>mass2 = h5group['<STR_LIT>'][:]<EOL>return (mass1 * mass2) ** (<NUM_LIT:3>/<NUM_LIT>) / (mass1 + mass2) ** (<NUM_LIT:1>/<NUM_LIT>)<EOL>
Calculate the chipr mass column for this PyCBC HDF5 table group