fits2skymodel.py 文件源码

def sky(self):
        """
        OSKAR sky model array converted from the input image.

        Columns
        -------
        ra : (J2000) right ascension (deg)
        dec : (J2000) declination (deg)
        flux : source (Stokes I) flux density (Jy)
        """
        idx = self.mask.flatten()
        ra, dec = self.ra_dec
        ra = ra.flatten()[idx]
        dec = dec.flatten()[idx]
        flux = self.image.flatten()[idx] * self.factor_K2JyPixel
        sky_ = np.column_stack([ra, dec, flux])
        return sky_