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Table 2.
S-type families for which we calculated an average spectral slope and z − i colour.
| Name | Age | Uncertainty | Phase angle | Nfam | Nref | Slope | Uncertainty | z − i | Uncertainty |
|---|---|---|---|---|---|---|---|---|---|
| (Gyr) | (Gyr) | (°) | (%/100 nm) | (%/100 nm) | |||||
| Juno | 0.7 | 0.3 | 20.8 | 1684 | 65 | 10.80 | 0.37 | −0.074 | 0.009 |
| Flora | 0.9 | 0.3 | 22.7 | 13786 | 1532 | 12.62 | 0.07 | −0.068 | 0.001 |
| Eunomia | 2.5 | 1.0 | 19.5 | 5670 | 1277 | 12.84 | 0.07 | −0.054 | 0.001 |
| Massalia | 0.7 | 0.1 | 22.2 | 6424 | 113 | 10.70 | 0.23 | −0.071 | 0.006 |
| Koronis | 2.5 | 1.0 | 17.5 | 5949 | 596 | 11.92 | 0.09 | −0.055 | 0.002 |
| Maria | 3.0 | 1.0 | 19.5 | 2940 | 455 | 12.35 | 0.10 | −0.054 | 0.002 |
| Merxia | 0.3 | 0.2 | 18.9 | 1215 | 62 | 11.33 | 0.35 | −0.078 | 0.009 |
| Herta | 1.5 | 0.5 | 22.0 | 19073 | 927 | 12.58 | 0.10 | −0.065 | 0.002 |
| Agnia | 0.2 | 0.1 | 18.1 | 2125 | 55 | 10.54 | 0.29 | −0.086 | 0.008 |
| Gefion | 0.48 | 0.05 | 18.5 | 2547 | 381 | 12.19 | 0.13 | −0.062 | 0.002 |
| Innes | 0.7 | 0.1 | 20.1 | 1295 | 115 | 11.00 | 0.22 | −0.067 | 0.005 |
Notes. Ages are from Brož et al. (2013). Nfam and Nref are the number of family members and the number of asteroids used to calculate the average spectral slope and z − i colour.
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