Giridhar, S; Kameswara Rao, N; Lambert, D. L
(Indaian Academy of Sciences, 1996-06)
Two high resolution spectra of the hot RCrB star DY Cen in the red region are compared. The photospheric absorption lines show a radial velocity variation of 12 km s(sup -1) between 1989 July and 1992 May. Emission components ...