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