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Table 4

Results for the fits of the synthetic thermal light curve to the MIPS data using the HST and radar shape models.

η I HST shape model Radar shape model
Prograde Retrograde Prograde Retrograde
γ χ2 γ χ2 γ χ2 γ χ2
0.7 0 0.83 37.0 0.83 37.6 0.91 193.2 0.90 190.7
0.7 50 0.89 31.6 0.97 35.1 0.97 171.6 1.05 187.8
0.7 100 0.97 27.8 1.07 30.6 1.04 155.1 1.14 161.7
0.7 200 1.09 21.3 1.21 26.5 1.15 132.1 1.26 125.4
0.7 400 1.23 19.4 1.33 26.4 1.28 114.6 1.37 108.5
0.7 800 1.35 25.1 1.41 31.3 1.37 110.8 1.44 112.6
0.8 0 0.90 36.9 0.90 37.6 0.99 194.1 0.99 191.6
0.8 50 0.97 31.8 1.06 35.5 1.06 173.1 1.14 190.0
0.8 100 1.05 28.1 1.17 30.8 1.14 156.5 1.25 164.8
0.8 200 1.19 21.4 1.33 26.7 1.26 133.1 1.38 127.1
0.8 400 1.36 19.4 1.47 26.7 1.40 115.1 1.50 108.8
0.8 800 1.49 25.6 1.56 31.9 1.51 110.6 1.58 112.3
0.9 0 0.97 37.1 0.97 37.8 1.07 194.9 1.06 192.4
0.9 50 1.05 31.9 1.14 35.9 1.14 174.4 1.23 192.0
0.9 100 1.14 28.2 1.27 31.1 1.23 157.9 1.35 167.4
0.9 200 1.29 21.5 1.44 26.9 1.36 134.3 1.49 128.8
0.9 400 1.48 19.5 1.60 27.1 1.52 115.7 1.63 109.3
0.9 800 1.63 26.2 1.71 32.4 1.64 110.4 1.72 112.2
1.0 0 1.04 37.2 1.05 37.8 1.14 195.7 1.14 193.0
1.0 50 1.13 32.2 1.23 36.1 1.23 175.7 1.32 193.7
1.0 100 1.22 28.5 1.37 31.5 1.32 159.2 1.45 169.9
1.0 200 1.39 21.6 1.55 27.1 1.46 135.3 1.61 130.5
1.0 400 1.59 19.5 1.73 27.3 1.64 116.2 1.76 109.8
1.0 800 1.76 26.6 1.86 32.9 1.77 110.3 1.87 112.1

Notes. η is the beaming factor. I is the nucleus thermal inertia (J K−1 m−2 s−1∕2). γ is the derived scaling factor for the nucleus shape model to match the MIPS infrared flux. χ2 is the chi-square value; for reference, our model has 16 degrees of freedom (19 data points and 3 free parameters).

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