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Table 4

The first four moments of both h3 and h4 distributions are given – mean, standard deviation, skewness, and kurtosis – for all galaxy types available for both libraries used.

Type s1 s2 s3 s4 N

Empirical

h3

Early –0.007 ± 0.001 0.0201 ± 0.0009 –0.1 ± 0.2 0.7 ± 0.3 276
Late –0.0086 ± 0.0004 0.0152 ± 0.0002 0.51 ± 0.06 5.0 ± 0.1 1893
E –0.008 ± 0.002 0.020 ± 0.002 0.0 ± 0.3 0.2 ± 0.5 86
S0 –0.006 ± 0.002 0.020 ± 0.001 –0.2 ± 0.2 1.0 ± 0.4 190
Sab –0.0057 ± 0.0007 0.0201 ± 0.0005 0.03 ± 0.08 1.3 ± 0.2 913
Scd –0.0093 ± 0.0004 0.0129 ± 0.0003 0.66 ± 0.08 8.0 ± 0.2 980

h4

Early 0.025 ± 0.002 0.039 ± 0.002 1.7 ± 0.2 5.5 ± 0.3 276
Late 0.0134 ± 0.0006 0.0258 ± 0.0004 2.18 ± 0.06 10.6 ± 0.1 1893
E 0.028 ± 0.005 0.045 ± 0.003 2.4 ± 0.3 7.3 ± 0.5 86
S0 0.024 ± 0.003 0.034 ± 0.002 0.8 ± 0.2 0.3 ± 0.4 190
Sab 0.016 ± 0.001 0.0319 ± 0.0008 1.96 ± 0.08 7.6 ± 0.2 913
Scd 0.0109 ± 0.0006 0.0193 ± 0.0004 1.52 ± 0.08 7.0 ± 0.2 980

Synthetic

h3

Early –0.006 ± 0.002 0.026 ± 0.001 0.166 ± 0.150 1.652 ± 0.300 267
Late –0.007 ± 0.001 0.042 ± 0.001 –0.443 ± 0.058 5.716 ± 0.116 1788
E –0.009 ± 0.003 0.023 ± 0.002 0.271 ± 0.267 2.554 ± 0.535 84
S0 –0.003 ± 0.002 0.028 ± 0.001 0.044 ± 0.181 1.239 ± 0.362 183
Sab –0.007 ± 0.001 0.037 ± 0.001 –0.193 ± 0.084 3.835 ± 0.167 859
Scd –0.007 ± 0.002 0.051 ± 0.001 –0.574 ± 0.080 5.206 ± 0.161 929

h4

Early 0.024 ± 0.003 0.041 ± 0.002 –0.093 ± 0.150 4.655 ± 0.300 267
Late –0.019 ± 0.002 0.077 ± 0.001 –1.378 ± 0.058 2.488 ± 0.116 1788
E 0.031 ± 0.004 0.036 ± 0.003 0.816 ± 0.267 4.866 ± 0.535 84
S0 0.020 ± 0.003 0.044 ± 0.002 –0.338 ± 0.181 4.130 ± 0.362 183
Sab –0.002 ± 0.002 0.061 ± 0.001 –1.503 ± 0.084 5.164 ± 0.167 859
Scd –0.044 ± 0.003 0.092 ± 0.002 –0.951 ± 0.080 0.483 ± 0.161 929

Notes. The number of object per type is given in the last column, “N”.

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