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Ultraviolet spectroscopy of nova MUSCAE 1991.
Panagia, N.; Horne, K.; Shrader, C. R. +4 more
We report on a series of ultraviolet spectroscopic observations made with the IUE satellite, which sampled critical outburst stages of the soft X-ray transient Nova Muscae 1991. Continuum light curves, and a multi-epoch line analysis are presented. In addition, a single epoch optical-UV spectra obtained with the HST/FOS is discussed. The optical-U…
UV and X-ray emission in the interacting binary U Cephei.
Gonzalez-Riestra, R.; Guinan, E. F.; Gimenez, A.
The active close binary U Cep has been monitored in the ultraviolet, using IUE, during 1.25 orbital cycles. The emission spectrum at the bottom of the primary total eclipse confirms earlier suggestions of an unexpected absence of the Hell 1640 A line. Stronger than expected emission in some other lines like NV, CII, CIV or AlIII, indicative of hot…