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High ionisation absorption in low mass X-ray binaries

Ponti, G and Bianchi, S and Munoz-Darias, T and De, K and Fender, R and Merloni, A. (2016) High ionisation absorption in low mass X-ray binaries. In: ASTRONOMISCHE NACHRICHTEN, 337 (4-5). pp. 512-517.

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Official URL: http://dx.doi.org/10.1002/asna.201612339


The advent of the new generation of X-ray telescopes yielded a significant step forward in our understanding of ionised absorption generated in the accretion discs of X-ray binaries. It has become evident that these relatively weak and narrow absorption features, sporadically present in the X-ray spectra of some systems, are actually the signature of equatorial outflows, which might carry away more matter than that being accreted. Therefore, they play a major role in the accretion phenomenon. These outflows (or ionised atmospheres) are ubiquitous during the softer states but absent during the power-law dominated, hard states, suggesting a strong link with the state of the inner accretion disc, presence of the radio-jet and the properties of the central source. Here, we discuss the current understanding of this field. (C) 2016 WILEY-VCH Verlag GmbH&Co. KGaA, Weinheim

Item Type: Journal Article
Additional Information: Copy right for this article belongs to the WILEY-V C H VERLAG GMBH, POSTFACH 101161, 69451 WEINHEIM, GERMANY
Keywords: accretion, accretion disks; stars: winds, outflows; techniques: spectroscopic; X-rays: binaries; X-rays: individuals (AX J1745.6-2901, EXO0748-676)
Department/Centre: Others
Date Deposited: 17 Jun 2016 05:15
Last Modified: 17 Jun 2016 05:15
URI: http://eprints.iisc.ac.in/id/eprint/53965

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