Sersic Profile · I(R) = I_e e^(−b_n[(R/R_e)^(1/n) − 1])
unseel.com · one shape parameter · index n
index n = 1.0
Re half-light
operation
Surface brightness I(R)
Galaxy light (particles)
Effective radius R_e
Extended n=4 wing
Unseel.com · Sersic Profile