Forbidden calcium lines as disc tracers [SSA]

http://arxiv.org/abs/1509.00772


Forbidden emission lines are particularly valuable disc tracers, because their profiles reflect the kinematics within their formation region. Here we present a short excerpt from the results of a spectroscopic survey of evolved massive stars surrounded by high-density discs.

Read this paper on arXiv…

A. Aret and M. Kraus
Thu, 3 Sep 15
52/58

Comments: 2 pages; 1 figure; submitted to the proceedings of the Physics of Evolved Stars – A conference dedicated to the memory of Olivier Chesneau, Nice, France, June 8-12, 2015