Title: On the physical association of the peculiar emission-line stars HD 122669 and HD 122691
Abstract:Spectroscopic and photometric observations indicate a physical association between the peculiar early-type emission-line stars HD 122669 and HD 122691. The latter has undergone a drastic change in the...Spectroscopic and photometric observations indicate a physical association between the peculiar early-type emission-line stars HD 122669 and HD 122691. The latter has undergone a drastic change in the strength of its emission lines during the past 20 years. There is some indication that both stars vary with shorter time scales.Read More