Source code for lenstronomy.PointSource.Types.unlensed

from lenstronomy.PointSource.Types.base_ps import PSBase
import numpy as np

__all__ = ['Unlensed']


[docs]class Unlensed(PSBase): """ class of a single point source in the image plane, aka star Name within the PointSource module: 'UNLENSED' This model can deal with arrays of point sources. parameters: ra_image, dec_image, point_amp """
[docs] def image_position(self, kwargs_ps, **kwargs): """ on-sky position :param kwargs_ps: keyword argument of point source model :return: numpy array of x, y image positions """ ra_image = kwargs_ps['ra_image'] dec_image = kwargs_ps['dec_image'] return np.array(ra_image), np.array(dec_image)
[docs] def source_position(self, kwargs_ps, **kwargs): """ original physical position (identical for this object) :param kwargs_ps: keyword argument of point source model :return: numpy array of x, y source positions """ ra_image = kwargs_ps['ra_image'] dec_image = kwargs_ps['dec_image'] return np.array(ra_image), np.array(dec_image)
[docs] def image_amplitude(self, kwargs_ps, **kwargs): """ amplitudes as observed on the sky :param kwargs_ps: keyword argument of point source model :param kwargs: keyword arguments of function call (which are not used for this object :return: numpy array of amplitudes """ point_amp = kwargs_ps['point_amp'] return np.array(point_amp)
[docs] def source_amplitude(self, kwargs_ps, **kwargs): """ intrinsic source amplitudes :param kwargs_ps: keyword argument of point source model :param kwargs: keyword arguments of function call (which are not used for this object :return: numpy array of amplitudes """ point_amp = kwargs_ps['point_amp'] return np.array(point_amp)