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Echo tomography of Sco X-1 using Bowen fluorescence lines
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Casares, J., Muñoz-Darias, T., Martinez-Pais, I. G., Cornelisse, R., Charles, P. A., Marsh, T. R., Dhillon, V. S. and Steeghs, D. (2005) Echo tomography of Sco X-1 using Bowen fluorescence lines. In: Interacting binaries, Cefalu, Sicily, 4-10 Jul 2004. Published in: AIP Conference Proceedings, Vol.797 pp. 365-370. doi:10.1063/1.2130255 ISSN 0094-243X.
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Official URL: http://dx.doi.org/10.1063/1.2130255
Abstract
We present preliminary results of a simultaneous X‐ray/optical campaign of the proto‐typical LMXB Sco X‐1 at 1–10 Hz time resolution. Lightcurves of the high excitation Bowen/HeII emission lines were obtained through narrow interference filters with ULTRACAM, and these were cross‐correlated with X‐ray lightcurves. We find evidence for correlated variability, in particular when Sco X‐1 enters the Flaring Branch. The Bowen/HeII lightcurves lag the X‐ray lightcurves with a light travel time which is consistent with reprocessing in the companion star.
Item Type: | Conference Item (Paper) | ||||
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Subjects: | Q Science > QB Astronomy | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
Library of Congress Subject Headings (LCSH): | X-ray binaries, Neutron stars | ||||
Journal or Publication Title: | AIP Conference Proceedings | ||||
Publisher: | American Institute of Physics | ||||
ISSN: | 0094-243X | ||||
Book Title: | AIP Conference Proceedings | ||||
Official Date: | 2005 | ||||
Dates: |
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Volume: | Vol.797 | ||||
Page Range: | pp. 365-370 | ||||
DOI: | 10.1063/1.2130255 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Funder: | Spain. Ministerio de Ciencia y Tecnología (MCT) | ||||
Conference Paper Type: | Paper | ||||
Title of Event: | Interacting binaries | ||||
Type of Event: | Conference | ||||
Location of Event: | Cefalu, Sicily | ||||
Date(s) of Event: | 4-10 Jul 2004 |
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