Population grid code options
The following chapter contains all grid code options, along with their descriptions There are 28 options that are not described yet.
Public options
The following options are meant to be changed by the user.
Moe & di Stefano sampler options
The following options are meant to be changed by the user.
You can use 'Poisson' which uses the system multiplicity given by Moe and maps this to single/binary/triple/quad fractions.
Alternatively, 'data' takes the fractions directly from the data, but then triples and quadruples are combined (and there are NO quadruples).
- e.g. [1,0,0,0] for single stars only
- [0,1,0,0] for binary stars only
defaults to [1,1,0,0] i.e. singles and binaries
- 'raw' : stick to what is predicted, i.e.
- S/(S+B+T+Q), B/(S+B+T+Q), T/(S+B+T+Q), Q/(S+B+T+Q) without normalisation (in which case the total probability < 1.0 unless all you use single, binary, triple and quadruple)
- 'merge' : e.g. if you only have single and binary,
add the triples and quadruples to the binaries, so binaries represent all multiple systems ... * this is canonical binary population synthesis *
It only takes the maximum multiplicity into account, i.e. it doesn't multiply the resulting array by the multiplicity modulator again. This prevents the resulting array to always be 1 if only 1 multiplicity modulator element is nonzero
Note: if multiplicity_modulator == [1,1,1,1]. this option does nothing (equivalent to 'raw').
Private options
The following options are not meant to be changed by the user, as these options are used and set internally by the object itself. The description still is provided, but just for documentation purposes.