uleis_rate_stream::get_background

Source: stream/rate/Uleis/uleis_rate_stream__get_background.pro

 uleis_rate_stream::get_background
        Return the background levels for a uleis rate stream (0.0).

 Usage:
        strref -> get_background([time])

 Argument:
        time    double  Array of times (JD) at which the background is
                        required. 

 History:
        Original (after mfsa): 14/6/01; SJT