Title of article :
Spectroscopic observations of H(alpha) emission-line stars from Sanduleak & Stephensons 1973 (SS73) list
Author/Authors :
Pereira، C. B. نويسنده , , Franco، C. S. نويسنده , , Ara?jo، F. X. de نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2003
Abstract :
We present spectroscopic observations of 33 emission line stars from the Sanduleak & Stephensonʹs (1973) list. This work is part of a program to investigate emission-line objects in the southern hemisphere whose nature is not well established in the literature. The objects were observed at two different spectral regions providing full coverage in the 3100-8700 ? interval. In this paper we describe the main spectroscopic features and discuss the nature of the objects. It is proposed that 16 of them are Be stars, 5 are peculiar Be stars, 4 are T Tauri stars, 7 are M-type stars with emission-lines and 1 is a Herbig object.
Keywords :
late-type , emission-line , pre-main sequence , Be , general , stars
Journal title :
Astronomy and Astrophysics
Journal title :
Astronomy and Astrophysics