Source table  (`~astropy.table.Table`).

        Columns: GLON, GLAT, COUNTS

def source_table(self):
        """Source table  (`~astropy.table.Table`).

        Columns: GLON, GLAT, COUNTS
        """
        table = Table()
        table['GLON'] = np.array([0, 45, 45], dtype='float32')
        table['GLAT'] = np.array([0, 0, 45], dtype='float32')
        table['COUNTS'] = np.array([100, 100, 100], dtype='int32')
        return table