The story of the star Sanduleak -69o 202
t = - 0.65 x 106 yr
Helium ignition in core.
- He burning in core to make C and O.
- Core temperature ~ 2 x 108 K.
- Core density ~ 103 x water density.
- Still a red supergiant.
Davison E. Soper, Institute of Theoretical Science,
University of Oregon, Eugene OR 97403 USA
soper@bovine.uoregon.edu