def METHOD_NAME(self, t):
    """
    :param t: time (in units of days)
    :return: image plane parameters of the point source observed at t
    """
    mag = np.zeros_like(self._dt_days)
    kwargs_ps = [{"ra_image": self._image_x, "dec_image": self._image_y}]
    for i, dt in enumerate(self._dt_days):
        t_i = -dt + t
        mag[i] = self._variability_func(t_i)
    kwargs_ps[0]["point_amp"] = self.sim_api_ps.magnitude2cps(mag) * np.abs(
        self._mag
    )
    return kwargs_ps