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Table 1

Results of various combinations of SN fits to the average ICM abundance pattern (Paper I).

SNcc SNIa χ2/ d.o.f.
Nomoto Classical − −
Z0.008 WDD2 0.31 − − 22.1/8
Z0.02 WDD2 0.29 − − 22.8/8
Z0.001 WDD2 0.35 − − 22.8/8
Z0.008 CDD2 0.30 − − 23.0/8
Z0.004 WDD2 0.29 − − 23.0/8
Nomoto Bravo − −
Z0.001 DDTc 0.35 − − 10.7/8
Z0.008 DDTc 0.32 − − 11.3/8
Z0.02 DDTc 0.29 − − 11.6/8
Z0.004 DDTc 0.33 − − 12.4/8
Z0_cut DDTc 0.32 − − 16.5/8
Nomoto Classical Ca-rich gap −
Z0.001 WDD2 CO.5HE.2C.3(*) 0.38 0.09 − 7.9/7
Z0.02 WDD2 CO.5HE.2C.3(*) 0.33 0.10 − 8.1/7
Z0.02 CDD2 CO.5HE.2C.3(*) 0.31 0.11 − 8.3/7
Z0.001 CDD2 CO.5HE.2C.3(*) 0.37 0.11 − 8.4/7
Z0.008 WDD3 CO.5HE.2C.3(*) 0.31 0.12 − 9.5/7
Nomoto Classical Bravo −
Z0.001 W70 DDTe 0.40 − 0.58 5.0/7
Z0.02 W70 DDTe 0.35 − 0.58 6.6/7
Z0.001 W7 DDTe 0.42 − 0.50 6.8/7
Z0.001 WDD3 DDTe 0.38 − − 7.5/7
Z0.02 W7 DDTe 0.36 − 0.51 8.1/7
Nomoto Classical Classical Ca-rich gap
Z0.004 W7 CDD1 CO.5HE.2C.3(*) 0.36 0.07 0.57 4.1/6
Z0.008 W7 CDD1 CO.5HE.2C.3(*) 0.35 0.08 0.56 4.1/6
Z0.004 W70 CDD1 CO.5HE.2C.3(*) 0.35 0.07 0.70 5.5/6
Z0.008 W70 CDD1 CO.5HE.2C.3(*) 0.34 0.08 0.68 5.6/6
Z0_cut W7 CDD1 CO.5HE.2C.3(*) 0.35 0.07 0.54 5.9/6

Notes. In each case, only one SNcc model has been fitted (Zinit = 0,0.001,0.004,0.008, or 0.02; Salpeter IMF), and we only show the five best fits, sorted by increasing χ2/d.o.f. (degrees of freedom). The choice of the CO.5HE.2C.3 model, indicated by a(*), has been fixed (see text).

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