VPrior

class ssapy.rvsampler.VPrior(vmean, vsigma)[source][source]

Bases: object

Gaussian prior on velocity magnitude |v|.

Parameters:

  • vmean (float) – Prior mean on |v| in meters per second.

  • vsigma (float) – Prior standard deviation on |v| in meters per second.

vMean[source]
vSigma[source]
__call__(orbit)[source][source]

Returns log prior probability of given orbit.

Methods Summary

__call__(orbit[, distance, chi])

Return log prior probability of given orbit.

Methods Documentation

__call__(orbit, distance=None, chi=False)[source][source]

Return log prior probability of given orbit.

Parameters:

  • orbit (Orbit) – The given orbit.

  • distance (float, optional) – Distance between object and observer (m) [not used]

Returns:

logprior – The log of the prior probability for given orbit.

Return type:

float