def get_data_Ustar24():
    vd = array([0.238, 0.613, 0.776, 0.913, 2.01, 4.125, 4.37, 5.99, 10.73])
    dp = array([1.0, 2.75, 4., 7.5, 12.5, 17.5, 22.5, 27.5, 40.])

#    vd_err = array([ [0.67, 1.08, 3.2, 0.0, 1.3, 0.1, 0.1, 3.5] , [4., 4.12, 2.7, 4.4, 14.5, 11.2, 7.2, 12] ])
    vd_err = zeros(9)
    dp_err = zeros(9)
 
    return vd, vd_err, dp, dp_err

def get_data_Ustar5():
    vd = array([0.924, 1.58, 4.3, 3.6, 3.5, 5.5, 3.8, 4.3, 13.0])
    dp = array([1.0, 2.75, 4., 7.5, 12.5, 17.5, 22.5, 27.5, 40.])

#    vd_err = array([ [0.67, 1.08, 3.2, 0.0, 1.3, 0.1, 0.1, 3.5] , [4., 4.12, 2.7, 4.4, 14.5, 11.2, 7.2, 12] ])
    vd_err = zeros(9)
    dp_err = zeros(9)
 
    return vd, vd_err, dp, dp_err

def get_data_Ustar106():
    vd = array([4.8, 6.76, 7.94, 11.98, 13.76, 20.4, 24.7, 1340.3, 32.6])
    dp = array([1.0, 2.75, 4., 7.5, 12.5, 17.5, 22.5, 27.5, 40.])