Comparing others' results for NGC 4473's surface
brightness profile
Good comparison between our results and Caon et al's results:
Here're our results (using OBJmask's hsigma = 2)
(taken in V-band)
Caon et al 1990
(B-band)
Ferrarese et al 1994
http://www.journals.uchicago.edu/AAS/cdrom/volume4/volume3/aj/v108/p1598/
(F555W filter on HST)