IDL read: readcol,'bars_radial_luminosity_starmass_10.5_11.0.txt',Radius,Stellar_density,Surface_brightness,format='F,F,F',delim=' ' Column1:Radius/r_bar Column2:Stellar_density(Msun/pc2) Column3:Surface_brightness(mag/arcsec2) 0.06 6274.98 17.41 0.08 4890.55 17.68 0.10 3849.29 17.94 0.12 2902.02 18.24 0.14 2502.91 18.40 0.16 2086.14 18.60 0.18 1749.29 18.79 0.20 1570.71 18.91 0.22 1369.39 19.06 0.24 1199.15 19.20 0.26 1099.85 19.30 0.28 1013.39 19.39 0.30 887.46 19.53 0.32 829.14 19.60 0.34 762.11 19.69 0.36 703.82 19.78 0.38 663.97 19.84 0.40 617.70 19.92 0.42 576.40 20.00 0.44 541.48 20.07 0.46 506.33 20.14 0.48 489.38 20.18 0.50 457.47 20.25 0.52 437.90 20.30 0.54 415.53 20.35 0.56 393.41 20.41 0.58 376.98 20.46 0.60 363.97 20.50 0.62 351.42 20.54 0.64 339.04 20.57 0.66 325.60 20.62 0.68 315.38 20.65 0.70 308.54 20.68 0.72 297.86 20.71 0.74 289.02 20.75 0.76 282.54 20.77 0.78 274.86 20.80 0.80 266.83 20.83 0.82 259.32 20.87 0.84 252.49 20.89 0.86 246.06 20.92 0.88 240.16 20.95 0.90 234.46 20.97 0.92 226.45 21.01 0.94 220.84 21.04 0.96 213.01 21.08 0.98 206.13 21.11 1.00 199.95 21.15 1.02 194.75 21.18 1.04 187.83 21.22 1.06 181.13 21.26 1.08 176.08 21.29 1.10 170.31 21.32 1.12 163.99 21.36 1.14 158.83 21.40 1.16 153.48 21.43 1.18 148.97 21.47 1.20 143.49 21.51 1.22 139.61 21.54 1.24 135.52 21.57 1.26 130.94 21.61 1.28 128.01 21.63 1.30 124.21 21.66 1.32 119.03 21.71 1.34 115.83 21.74 1.36 112.63 21.77 1.38 110.01 21.80 1.40 106.65 21.83 1.42 103.31 21.86 1.44 100.59 21.89 1.46 98.75 21.91 1.48 96.44 21.94