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Table A.1

Average color values and their corresponding standard deviation of Bus-DeMeo taxonomic spectral types.

Class N (Y − J) σY −J (Y − H) σY −H (Y − Ks) σY −Ks (J − H) σJ−H (J − Ks) σJ−Ks (H − Ks) σH−Ks
A 6 0.484 0.038 1.226 0.146 1.359 0.161 0.765 0.127 0.898 0.152 0.133 0.051
B 4 0.177 0.020 0.368 0.050 0.417 0.072 0.214 0.035 0.263 0.058 0.049 0.023
C 13 0.232 0.020 0.529 0.044 0.701 0.068 0.320 0.025 0.493 0.050 0.173 0.028
Cb 3 0.254 0.020 0.549 0.011 0.715 0.030 0.318 0.020 0.484 0.021 0.166 0.020
Cg 1 0.249 0.022 0.545 0.050 0.687 0.072 0.320 0.032 0.461 0.057 0.142 0.028
Cgh 10 0.267 0.020 0.535 0.046 0.628 0.047 0.291 0.032 0.385 0.035 0.094 0.020
Ch 18 0.256 0.022 0.525 0.044 0.626 0.061 0.292 0.026 0.393 0.048 0.101 0.026
D 16 0.352 0.027 0.725 0.068 0.921 0.095 0.396 0.044 0.593 0.074 0.197 0.038
K 16 0.292 0.026 0.601 0.065 0.690 0.079 0.332 0.043 0.421 0.059 0.089 0.024
L 22 0.280 0.030 0.540 0.063 0.579 0.095 0.283 0.037 0.322 0.078 0.039 0.052
O 1 0.606 0.022 0.980 0.050 0.870 0.072 0.397 0.032 0.287 0.057 –0.110 0.028
Q 8 0.403 0.038 0.764 0.046 0.826 0.076 0.385 0.030 0.446 0.053 0.062 0.033
R 1 0.507 0.022 0.844 0.050 0.943 0.072 0.360 0.032 0.459 0.057 0.099 0.028
S 144 0.367 0.031 0.666 0.082 0.722 0.091 0.322 0.056 0.379 0.065 0.057 0.028
Sa 2 0.381 0.049 0.956 0.053 1.111 0.020 0.598 0.020 0.753 0.057 0.156 0.061
Sq 29 0.388 0.047 0.742 0.099 0.805 0.107 0.377 0.057 0.441 0.689 0.064 0.027
Sr 22 0.404 0.039 0.693 0.080 0.740 0.096 0.311 0.048 0.359 0.075 0.048 0.039
Sv 2 0.403 0.020 0.649 0.020 0.675 0.027 0.268 0.020 0.294 0.022 0.026 0.020
T 4 0.284 0.020 0.594 0.020 0.750 0.020 0.333 0.020 0.489 0.020 0.157 0.020
V 17 0.648 0.095 0.708 0.095 0.660 0.091 0.082 0.095 0.035 0.111 –0.047 0.050
X 4 0.280 0.020 0.597 0.020 0.769 0.039 0.340 0.020 0.512 0.043 0.173 0.024
Xc 3 0.251 0.020 0.513 0.025 0.624 0.057 0.285 0.020 0.396 0.047 0.111 0.034
Xe 7 0.257 0.020 0.527 0.032 0.639 0.057 0.293 0.022 0.406 0.045 0.113 0.026
Xk 18 0.280 0.020 0.564 0.050 0.692 0.086 0.307 0.034 0.435 0.071 0.129 0.039

Notes. The standard deviations were obtained from the computation of colors for the spectra used by DeMeo et al. (2009) to define the taxonomy. A preliminary version of this table was shown by Popescu et al. (2016). The standard deviations, shown in this updated version, are limited to a minimum value of 0.02. We provide a standard deviation value (computed as median value of standard deviations of all classes) to the classes formed by a single object (Cg, O, R).

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