High Resolution X-Ray Spectroscopy of SMC X-1

Details High Resolution X-Ray Spectroscopy of SMC X-1 High Resolution X-Ray Spectroscopy of SMC X-1

Sep 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000cxo..prop..462v&link_type=abstract

Chandra Proposal ID #02400133

Computer Science

Chandra Proposal Id #02400133

Scientific paper

We propose simultaneous observations of the X-ray pulsar system SMC X-1/SK160 with HST/STIS, Chandra, and ground-based optical telescopes. We will search for correlation between orbital phase and ``bleaching'' of important P Cygni lines by X-ray photoionization. We will model the X-ray, UV, and optical continuum emission at different phases of the superorbital period. Using the Chandra ACIS-S in CC mode we will conduct pulse-phased spectroscopy of the X-ray emission. Our multiwavelength observations will enable us to analyze the density structure and composition of the wind; set limits on the size, shape, rotation, and precession of the disk; and determine the effects of X-ray illumination on the disk, the star, and the stellar wind.

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