Abstract
Low-resolution IUE spectroscopy of V795 Her secured in 1992 August is used to authenticate the presence of a approximately 4.86-h periodic variation in the mainly wind-formed Si IV lambda 1400 and C IV lambda 1 549 resonance lines. The modulation is demonstrated to be coherent across a 3-yr time-span, and is discordant with the mooted orbital (optical spectroscopic) period of approximately 2.60 h. Constraints are discussed for some possible configurations of the system that introduce asymmetries and can potentially yield modulated profile variability. The first ROSAT X-ray detection of V795 Her is also described.
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