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Phase Resolved Blue Spectroscopy of SS433

Barnes, A. D.; Charles, P. A.; Clark, J. S.; Cornelisse, R. and Knigge, C. (2005). Phase Resolved Blue Spectroscopy of SS433. American Institute of Physics Conference Proceedings, 797(1) pp. 533–536.

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Despite more than 20 years of study, we still possess only limited constraints on the fundamental properties of SS433. With the exception of the 13d period, orbital parameters are ill-constrained, and hence the nature of both compact object, a neutron star or black hole, or the mass donor are still unknown. However, newly acquired high resolution blue spectra, taken when the precessing disc is closest to edge-on, provide the strongest evidence yet for a massive, A4 supergiant donor, in addition to expanding the phase constraints for further observations of the donor.

Item Type: Journal Item
ISSN: 0094-243X
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Item ID: 15150
Depositing User: Astrid Peterkin
Date Deposited: 17 Mar 2009 09:48
Last Modified: 07 Dec 2018 09:20
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