Line profiles
change in
characteristic ways
with
t
*
and
R
o
,
becoming broader
and more skewed
with increasing
t
*
and broader and
more flat-topped
with increasing
R
o.
A wide variety of wind-shock
properties can be modeled
R
o
=1.5
R
o
=3
R
o
=10
t
*
=1,
2
,
8