X-rays from Young Massive Stars David Cohen Swarthmore College.
Wind Signatures in the X-ray Emission Line Profiles of the O Supergiant Orionis Kevin Grizzard 1, David Cohen 2, Maurice Leutenegger 3, Casey Reed 2,
Simulation of CHANDRA X-Ray Spectral Observations of z Pup (O4 If)
Line Shapes in Hot Stars : Hydrodynamics & Wind Mass-Loss Rates
Wind Signatures in the X-ray Emission Line Profiles of the O Supergiant z Orionis