Subrahmanyam, P. V; Raghavender Rao, C; Sreedhar Rao, S
(Astronomical Society of India, 1993-03)
Spectroscopic observations of the long period variable epsilon Aurigae were made during its 1982-84 eclipse. It is found that the Ca II H and K lines show variation in their equivalent widths. The equivalent widths of these ...