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Table C.2

Equalised initial distribution and range of binary parameters and the usual distributions and ranges of the authors for the corresponding BPS codes.

What? binary_c Brussels code SeBa StarTrack This research

f(M1,zams) KTG93 KTG93 KTG93 KTG93 KTG93
M1,zams,min (M) 0.1 0.1 0.1 0.08 0.1
M1,zams,max (M) 80 120 100 150 100
f(azams) ∝ a-1 ∝ a-1 ∝ a-1 ∝ a-1 ∝ a-1 (A83)
azams,min (R) max(5, (Ra + Rb)/(1 − e0)) 2 − 12(1)(P = 1 d) (Ra + Rb)/(1 − e0) 2(Ra + Rb)/(1 − e0) 5
azams,max (R) 5e6 5.8e2 − 2.2e3(1)(P = 3650 d) 1e6 1e6 1e6
f(qzams) Flat Flat Flat Flat Flat
q zams,min 0.01 M/M1,zams 0.1 M/M1,zams 0 0.08 M/M1,zams 0.1 M/M1,zams
q zams,max 1 1 1 1 1
f(ezams) H75 H75
e zams,min 0 0
e zams,max 1 1
Max time (Gyr) 13.7 15 13.5 15 13.7
Binary fraction (%) 100 100 50–100 50 100

Notes. f(ξ) is the distribution of parameter ξ. “-” Indicates that no distribution of initial eccentricities is considered, instead ezams = 0 a priori. Otherwise the distribution of initial eccentricities is f(ezams) with ezams between ezams,min and ezams,max.

(1)

Separations given for the binary masses under investigation.

Reference. KTG93 = Kroupa et al. (1993); A83 = Abt (1983); H75 = Heggie (1975).

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