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LSST Data Management Base Package
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Protected Member Functions | List of all members
lsst.meas.algorithms.convertRefcatManager.ConvertGaiaXpManager Class Reference
Inheritance diagram for lsst.meas.algorithms.convertRefcatManager.ConvertGaiaXpManager:
lsst.meas.algorithms.convertRefcatManager.ConvertRefcatManager

Protected Member Functions

 _getFluxes (self, inputData)
 

Detailed Description

Special-case convert manager for Gaia XP spectrophotometry catalogs,
that have fluxes/flux errors, instead of magnitudes/mag errors.  The input
flux and error values are in units of  W/Hz/(m^2) (Gaia Collaboration, Montegriffo et al. 2022).
The the flux and fluxErr fields in the output catalog have units of nJy.

Definition at line 541 of file convertRefcatManager.py.

Member Function Documentation

◆ _getFluxes()

lsst.meas.algorithms.convertRefcatManager.ConvertGaiaXpManager._getFluxes ( self,
inputData )
protected
Compute the flux fields that will go into the output catalog.

Parameters
----------
inputData : `numpy.ndarray`
    The input data to compute fluxes for.

Returns
-------
fluxes : `dict` [`str`, `numpy.ndarray`]
    The values that will go into the flux and fluxErr fields in the
    output catalog.

Reimplemented from lsst.meas.algorithms.convertRefcatManager.ConvertRefcatManager.

Definition at line 548 of file convertRefcatManager.py.

548 def _getFluxes(self, inputData):
549 result = {}
550 for item in self.config.mag_column_list:
551
552 error_col_name = item.replace("_flux_", "_flux_error_")
553
554 result[item + "_flux"] = (
555 inputData[item] * u.Watt / u.Hz / u.meter / u.meter
556 ).to_value(u.nJy)
557 result[item + "_fluxErr"] = (
558 inputData[error_col_name] * u.Watt / u.Hz / u.meter / u.meter
559 ).to_value(u.nJy)
560
561 return result

The documentation for this class was generated from the following file: