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Table 2

Polynomial approximations.

pext/k a 0 a 1 a 2 a 3 a 4 a 5
 [K/cm3

β = Σiai(log 10Tdust [K])i
2 × 104 –40.7509 186.611 –296.453 202.709 –50.5764
1 × 105 –41.0076 190.600 –307.465 213.560 –54.1691
1 × 106 –29.0751 144.608 –243.478 175.672 –46.2471

κ0 [cm2/g]  = Σiai(log 10Tdust [K])i
2 × 104 –133.777 600.783 –948.039 639.586 –156.646
1 × 105 –142.593 654.894 –1060.36 735.858 –185.995
1 × 106 –90.8491 461.490 –802.533 592.289 –158.761

log 10L/Mcore [L/M]  = Σiai(log 10Tdust [K])i
2 × 104 –2.63348 –4.06995 4.60187
1 × 105 –3.27281 –2.87834 4.03329
1 × 106 –6.11354 2.87895 1.09179

FWHM [Rcl]  = Σiai(Tdust [K])i
2 × 104 1.04042 0.193172 –0.0506557 0.00579236 –0.000312315 6.33987e-06
1 × 105 1.01551 0.198970 –0.0502195 0.00571245 –0.000313287 6.59132e-06
1 × 106 1.29788 –0.0283919 0.0144707 –0.00232888 0.000140731 –2.79548e-06

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