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Title:
Understanding the nature of high inclination low mass X-ray binaries: broad-band and line spectra from A1744-361
Authors:
Strohmayer, Tod
Publication:
Chandra proposal ID #10400273
Publication Date:
09/2008
Origin:
CXO
Comment:
Chandra proposal ID #10400273
Bibliographic Code:
2008cxo..prop.2580S

Abstract

We propose to observe the transient, dipping neutron star low mass X-ray binary (LMXB) system A1744-361 during an outburst with the CHANDRA HETGS, and contemporaneously with RXTE. This will be the first observation of A1744-361 with a high resolution spectral instrument. With these observations we will: 1) search for narrow absorption lines for the first time from A1744-361; 2) measure the profile of its broad iron emission line; 3) unambiguously determine the binary orbital period and source position; 4) search for kHz QPOs and burst oscillations. These studies will allow us to further understand the ionized plasma in the immediate environs of A1744-361, and dippers in general. These goals rely on the unique capabilities of CHANDRA (high spectral and angular resolution) and RXTE.
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Database: Astronomy
Physics
arXiv e-prints