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Bowen blend echo‐tomography of low mass X‐ray binaries
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Muñoz-Darias, T., Martinez-Pais, I. G., Casares, J., Cornelisse, R., Dhillon, V. S., Marsh, T. R., Steeghs, D. (Danny), 1972-, O'Brien, K., Charles, P. A. and Still, M. (Martin D.) (2007) Bowen blend echo‐tomography of low mass X‐ray binaries. In: High time resolution astrophysics: the Universe at sub‐second timescales, Edinburgh, Scotland, 11th-13th September 2007. Published in: AIP Conference Proceedings, Vol.984 pp. 15-22.
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Official URL: http://dx.doi.org/10.1063/1.2896925
Abstract
We present simultaneous high time resolution (1–10 Hz) X‐ray and optical observations of the persistent LMXBs Sco X‐1 and V801 Ara( = 4U 1636‐536). In the case of Sco X‐1 we find that the Bowen∕HeII emission lags the X‐ray light‐curves with a light travel time of ∼ 11–16 s which is consistent with reprocessing in the donor star. We also present the detection of three correlated X‐ray∕optical bursts in V801 ara. Although this latter project is still in progress our preliminary results obtained by subtracting the Continuum light‐curve from the Bowen∕HeII data provide evidence of orbital phase dependent echoes from the companion star.
| Item Type: | Conference Item (Paper) |
|---|---|
| Subjects: | Q Science > QB Astronomy |
| Divisions: | Faculty of Science > Physics |
| Library of Congress Subject Headings (LCSH): | X-ray binaries |
| Journal or Publication Title: | AIP Conference Proceedings |
| Publisher: | American Institute of Physics |
| ISSN: | 0094-243X |
| Date: | September 2007 |
| Volume: | Vol.984 |
| Page Range: | pp. 15-22 |
| Identification Number: | 10.1063/1.2896925 |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Conference Paper Type: | Paper |
| Title of Event: | High time resolution astrophysics: the Universe at sub‐second timescales |
| Type of Event: | Conference |
| Location of Event: | Edinburgh, Scotland |
| Date(s) of Event: | 11th-13th September 2007 |
| Related URLs: | |
| References: | 1. Casares J., Charles P.A. & Kuulkers E. 1998, ApJ, 493, L39-L42. 2. Casares J., Steeghs D., Hynes R.I., Charles P.A., Cornelisse R. & O’Brien K. 2004,RMxA, 20, 21. 3. Casares, J., Cornelisse, R., Steeghs, D., Charles, P. A., Hynes, R. I., O’Brien, K., & Strohmayer, T. E. 2006,MNRAS, 373, 1235 4. Davidsen, A. Margon, B., Middleditch, J. 1975, ApJ, 198, 653 5. Dhillon, V.S. et al., 2007, MNRAS,378, 825 6. Gaskell C.M. & Peterson B.M. 1987, ApJ, 65, 1. 7. Hynes, R.I., Horne, K., O’Brien, K., Haswell, C.A., Robinson, E. L., King, A. R., Charles, P. A., & Pearson, K. J., 2006, ApJ, 648, 1156 8. Hynes R.I., O’Brien K., Horne K., Chen W. & Haswell C.A. 1998,MNRAS, 299, L37. 9. Middleditch, J., Mason, K. O., Nelson, J. E., & White, N. E. 1981, ApJ, 244, 1001 10. Muñoz-Darias T., Martínez-Pais I.G. & Casares J. 2005, in INTERACTING BINARIES: Accretion, Evolution and Outcomes, eds. L.A. Antonelli, L. Burderi, F. D’Antona, et al. 11. Muñoz-Darias, T., Martínez-Pais, I. G., Casares, J., Dhillon, V. S., Marsh, T. R., Cornelisse, R., Steeghs, D., & Charles, P. A. 2007,MNRAS, 379, 1637 12. O’Brien K., Horne K., Hynes R.I., Chen W., Haswell C.A. & Still M.D. 2002, MNRAS, 334, 426. 13. Steeghs D. & Casares J. 2002, ApJ, 568, 273-278. |
| URI: | http://wrap.warwick.ac.uk/id/eprint/47845 |
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