Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010head...11.4213b&link_type=abstract
American Astronomical Society, HEAD meeting #11, #42.13; Bulletin of the American Astronomical Society, Vol. 41, p.727
Astronomy and Astrophysics
Astronomy
Scientific paper
We present first results from comprehensive simultaneous X-ray and optical observations of the Z source Sco X-1 performed with the RXTE satellite and Argos on the McDonald Observatory 2.1m telescope. X-ray coverage was obtained nightly for 12 nights with optical overlap for 8 nights, thereby giving full phase coverage of the 18.9 hour orbit. We also examine underlying causes of the X-ray spectral behavior of Sco X-1 by mapping X-ray and optical correlations as a function of position on the Z-diagram.
Britt Christopher T.
Hynes Robert I.
Mikles Valerie
O'Brien Kieran
Robinson Eric
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