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Table E.1.

Fitting coefficients for the λ fits of Xu & Li (2010) including thermal energy, as implemented by Dominik et al. (2012) for Population II stars with masses 18 M < M < 35 M.

Star type a1 a2 a3 a4
HG 1.27138 0.00538 −0.0012 1.80776 × 10−5
CHeB 0.69746 −0.0043 8.97312 × 10−6 −5.83402 × 10−9
EAGB −436.00777 1.41375 −0.00153 5.47573 × 10−7

Notes. Values are taken from the source code of the COMPAS code. Exact numbers from the source code are included here, so the number of significant digits is variable.

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