HGC  M  31  10.2 ± 0.05  8.0 ± 0.05  0.477 ± 0.013  0.317 ± 0.008  0.297 ± 0.010  0.110 ± 0.005  1.201 ± 0.030  3.3 ± 0.1  35.0 ± 0.4