- Taylor, A. R., Seaquist, E. R., Hollis, J. M., & Pottasch S. R. 1987, A&A, 183, 38 Whitney, B. A., & Clayton, G. C. 1989, AJ, 98, 297
- 2 Acknowledgements We thank our colleagues A. Alpar, D. Cox, D. Edgar, J. Fry, J. Gallagher, T. Koupelis, and
- Fig. 1.---ROSAT Xray contours of MSH 1552 plotted over a grayscale image of the same data. The image was smoothed with a Gaussian of 2.5 00 radius, and the contour levels are
- Fig. 3.---The Xray light curve folded with the spectroscopic period determined by Bianchini, Friedjung & Sabbadin (1990). The xaxis shows the spectroscopic phase, where the white dwarf
- 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2
