Palomar 1
21 iterations.
Chebyshev coeffients a(0)T_0(u)+a(1)T_1(u)+..., where u is log (r/arcsec) mapped to [-1,1]
 a(0)=     1.208 +-  0.344
 a(1)=     2.833 +-  0.561
 a(2)=     0.268 +-  0.505
 a(3)=     0.371 +-  0.479
 a(4)=     0.184 +-  0.424
Power-of-x coeffients a(0)+a(1)x+a(2)x^2+..., where x=1+(r/r_c)^2, r_c=0.48
 a(0)=    21.5236
 a(1)=   -47.7385
 a(2)=    33.2076
 a(3)=    -9.4396
 a(4)=     0.9707
log r(arcsec)   mu_V    mu_V(fitted)  residual   weight  data set