Recent Science Highlights

1 August 1995

(following information provided by Dr. Antonella Fruscione)

S. Rosen (Leicester), J. Mittaz (Mullard Space Science Laboratory), D. Buckley (South African Astronomical Observatory), A. Layden (Cerro Tololo Inter-American Observatory), C. McCain (Mt. Stromlo Observatory), J.P. Osborne (Leicester) and M. Watson (Leicester) report on the first detailed EUVE observations of the AM Her star, QS Telescopii.

Further monitoring of this star by EUVE and X-ray satellites may provide improved insights into the cause of accretion mode changes in AM Her stars and on the properties of the accretion flow.

Figure 1 (57 Kb post-script): The double peaked EUV (EUVE DS) light curve of QS Tel. In earlier ROSAT observations, the peak between phases 0.35 and 0.85 was absent, being replaced by a weak, flat residual signal. Note also the deep dip between phases 1.0 and 1.1.

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