GaiaSurvey#
- class agabpylib.simulation.starclusters.observables.GaiaSurvey(distance_c, ra_c, dec_c, release='dr3', rvslim=16.0)#
Bases:
ObservablesGaia observations.
- gaia_release#
The Gaia data release for which the performance is to be simulated
- Type:
str
- cluster_distance#
Distance to cluster centre (of mass) in pc
- Type:
astropy.units.Quantity
- cluster_ra#
Right ascension of cluster centre (of mass) in degrees.
- Type:
astropy.units.Quantity
- cluster_dec#
Declination of cluster centre (of mass) in degrees.
- Type:
astropy.units.Quantity
- rvslim#
RVS survey limit (default 16.0)
- Type:
float
- survey_limit#
Apparent magnitude limit of the simulated cluster survey (Gaia survey limit of G=20.7)
- Type:
float
- bright_faint_sep#
Separation between bright and faint stars for Gaia DR2 photometry corrections (obsolete)
- Type:
float
- n_astrophoto#
Number of simulated stars with astrometry and photometry that are brighter than the survey limit.
- Type:
int
- n_plxpos#
Number of simulated stars with positive observed parallaxes.
- Type:
int
- n_rvs#
Number of simulated stars with a radial velocity.
- Type:
int
Methods Summary
addinfo()- returns:
info -- String with specific information about the simulated observations.
generate_observations(cluster, rng)Generate simulated observations of the star cluster.
getmeta()- returns:
meta -- Metadata on the simulated observations.
Methods Documentation
- addinfo()#
- Returns:
info – String with specific information about the simulated observations.
- Return type:
str
- generate_observations(cluster, rng)#
Generate simulated observations of the star cluster.
- Parameters:
cluster (astropy.table.QTable) – Table with the simulated astrophysical properties of the cluster stars.
- Returns:
Nothing
- Return type:
the simulated observations of the cluster are appended to the input table.
- getmeta()#
- Returns:
meta – Metadata on the simulated observations.
- Return type:
dict