The K-correction for LMXBs: an application to X1822-371 and GX339-4

Bibcode
2007IAUS..238..413M
DOI
10.1017/S1743921307005716
Muñoz-Darias, T.; Casares, J.; Martínez-País, I. G.
Bibliographical reference

Black Holes from Stars to Galaxies -- Across the Range of Masses. Edited by V. Karas and G. Matt. Proceedings of IAU Symposium #238, held 21-25 August, 2006 in Prague, Czech Republic. Cambridge, UK: Cambridge University Press, 2007., pp.413-414

Advertised on:
4
2007
Number of authors
3
IAC number of authors
0
Citations
0
Refereed citations
0
Description
We present the K-correction for emission lines formed on the irradiated face of the companion stars in X-ray binaries. We compute this K-correction in a general approach as function of the mass ratio and the disc flaring angle. Our results combined with the detection of high energy emission lines arising from the donor star (e. g. Steeghs & Casares 2002 ; Hynes et al. 2003) can provide the most accurate mass determinations for either neutron stars or black holes in persistent Low Mass X-ray Binaries (LMXBs). The application of our model to X1822-371 (Munoz-Darias, Casares & Martinez-Pais 2005) strongly suggests the presence of a massive neutron star in this LMXB. Here, we also present the K-correction for the Black Hole binary GX339-4.
Type
Non-refereed

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