cosmo.py 文件源码

def cm_per_pix(self, z):
        """
        Calculate the transversal length (unit: cm) corresponding to
        1 ACIS pixel (i.e., 0.492 arcsec) at the *angular diameter distance*
        of z.
        """
        return self.kpc_per_pix(z) * au.kpc.to(au.cm)