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Revealing the Physical Changes Taking Place in Z-Track Motion in Low Mass X-Ray Binaries

Published online by Cambridge University Press:  22 February 2018

M. Bałucińska-Church ,
M. J. Church ,
G. Halai  and
A. Szostek
M. Bałucińska-Church
Affiliation:
School of Physics & Astronomy, University of Birmingham, Birmingham B15 2TT, UK (mbc@star.sr.bham.ac.uk) Astronomcal Observatory, Jagiellonian University, ul. Orla 171, 30-244 Cracow, Poland
M. J. Church
Affiliation:
School of Physics & Astronomy, University of Birmingham, Birmingham B15 2TT, UK (mbc@star.sr.bham.ac.uk) Astronomcal Observatory, Jagiellonian University, ul. Orla 171, 30-244 Cracow, Poland
G. Halai
Affiliation:
School of Physics & Astronomy, University of Birmingham, Birmingham B15 2TT, UK (mbc@star.sr.bham.ac.uk)
A. Szostek
Affiliation:
Copernicus Astronomical Centre, ul. Bartycka 18, 00-716 Warsaw, Poland

Extract

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The explanation of the strong physical changes clearly taking place in the Z-track class of Low Mass X-ray Binaries has so far not been obtained, and this remains a significant astrophysical problem, without which we cannot claim to understand accretion in LMXB. We have for the first time applied the Birmingham emission model (2,3) to this problem to attempt to obtain a solution from the spectral evolution along the Z-track in the source GX 340+0 observed with Rossi- ХTE. In this model, X-ray emission consists of blackbody from the neutron star, plus Comptonized emission from an extended ADC.

Type
The Contributed Papers
Information
International Astronomical Union Colloquium , Volume 194: Compact binaries in the galaxy and beyond , 2004 , pp. 206
Copyright
Copyright © Instituto de astronomia/revista mexicana de astronomίa y astrofίsica 2004

References

1. Bałucińska-Church, M., Barnard, R., Church, M. J. & Smale, A. P. 2001, A&A, 378, 847 Google Scholar
2. Church, M. J. & Bałucińska-Church, M. 2001, A&A, 369, 915 Google Scholar
3. Church, M. J. & Bałucińska-Church, M. 2004, MNRAS, 348, 955 Google Scholar