Ghosh, K. K; Apparao, K. M. V; Tarafdar, S. P
(American Astronomical Society, 1989-09)
During routine monitoring of the Be star HR 4123 during the year 1987-1988, a burst of H-alpha emission was observed on May 11, 1987. The increase was observed on May 9 and lasted until June 7, peaking to an equivalent ...