The UV Spectrum of Sco X-1

Details The UV Spectrum of Sco X-1 The UV Spectrum of Sco X-1

Jan 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aas...18912009k&link_type=abstract

American Astronomical Society, 189th AAS Meeting, late abstracts, #120.09; Bulletin of the American Astronomical, Vol. 29, p. 73

Astronomy and Astrophysics

Astronomy

Scientific paper

Sco X-1 is a well known low mass X-ray binary. It is the brightest extra-solar point source of X-rays, and may serve as a prototype for low mass X-ray binaries as a class. It is likely that the UV and optical emission arise as a result of reprocessing of X-rays. We test this scenario using data obtained simultaneously with the GHRS on the Hubble Space Telescope, and with the X-ray Timing Explorer (XTE). We analyze the variability behavior of the UV spectrum and of the X-rays, and we also measure the properties of the emission line profiles as viewed at high resolution with the echelle gratings. We find evidence in support of the reprocessing scenario in the form of correlated variability between UV and X-rays, although the emission line profiles do not fit with simple models for disk emission lines.

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