3 papers
astro-ph.GA2014
Study of the C IV (1548.187 - 1550.772), Si IV (1393.755 - 1402.770) and O IV (1401.156) Regions of the QSO J021327.25-001446.93
Ch. Katsavrias, E. Danezis, A. Antoniou
Broad Absorption Line Regions - BALR are composed of a number of successive independent absorbing density layers. Using the GR model, we analyze the UV Si IV (λλ1393.755 - 1402.770…
astro-ph2007
A new model for the structure of the DACs and SACs regions in the Oe and Be stellar atmospheres
E. Danezis, D. Nikolaidis, E. Lyratzi +4
In this paper we present a new mathematical model for the density regions where a specific spectral line and its SACs/DACs are created in the Oe and Be stellar atmospheres. In the…
astro-ph2007
The complex structure of the Mg II {λλ} 2795.523, 2802.698 Å regions of 64 Be stars
E. Lyratzi, E. Danezis, L. Č. Popović +3
Here is studied the presence of absorption components shifted to the violet or the red side of the main spectral line (satellite, or discrete absorption components, i.e. SACs or DA…