Fast evolution of QR Vul
Posted: Fri Aug 30, 2019 10:45 am
A rapid evolution of Be star QR Vul observed at moderate resolution (R=5000) :
The ratio of the two (note charge of He I red line) :
See also the topic here:
http://www.spectro-aras.com/forum/viewt ... =45&t=2386
about technical point of view.
Christian Buil
The ratio of the two (note charge of He I red line) :
See also the topic here:
http://www.spectro-aras.com/forum/viewt ... =45&t=2386
about technical point of view.
Christian Buil