Spectra of AZ Cas taken in the blue are showing dramatic changes associated with impending ingress. (see attached raw spectra) Absorption lines from the outer atmosphere of the M star have appeared superimposed on the M star spectrum.
Robin
Spectra of AZ Cas taken in the blue are showing dramatic changes associated with impending ingress. (see attached raw spectra) Absorption lines from the outer atmosphere of the M star have appeared superimposed on the M star spectrum.
Robin
That should read of course
..... superimposed on the B star spectrum
(Why is there facilty for editing posts on this forum and why do I have to re-enter the thread title??)
Robin