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  A Deep Pulse Search in Eleven Low Mass X-Ray Binaries

Patruno, A., Wette, K., & Messenger, C. (2018). A Deep Pulse Search in Eleven Low Mass X-Ray Binaries. Astrophysical Journal, 859(2): 112. doi:10.3847/1538-4357/aabf89.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0001-8177-7 Version Permalink: http://hdl.handle.net/21.11116/0000-0002-F9A0-0
Genre: Journal Article

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 Creators:
Patruno, A., Author
Wette, K.1, Author              
Messenger, C.1, Author              
Affiliations:
1Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24011              

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Free keywords: Astrophysics, High Energy Astrophysical Phenomena, astro-ph.HE
 Abstract: We present a systematic coherent X-ray pulsation search in eleven low mass X-ray binaries (LMXBs). We select a relatively broad variety of LMXBs, including persistent and transient sources and spanning orbital periods between 0.3 and 17 hours. We use about 3.6 Ms of data collected by the Rossi X-Ray Timing Explorer (RXTE) and XMM-Newton and apply a semi-coherent search strategy to look for weak and persistent pulses in a wide spin frequency range. We find no evidence for X-ray pulsations in these systems and consequently set upper limits on the pulsed sinusoidal semi-amplitude between 0.14% and 0.78% for ten outbursting/persistent LMXBs and 2.9% for a quiescent system. These results suggest that weak pulsations might not form in (most) non-pulsating LMXBs.

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 Dates: 2017-09-292018
 Publication Status: Published in print
 Pages: submitted to ApJ, 8 pages
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 Rev. Method: -
 Identifiers: arXiv: 1709.10408
DOI: 10.3847/1538-4357/aabf89
URI: http://arxiv.org/abs/1709.10408
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Title: Astrophysical Journal
Source Genre: Journal
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Pages: - Volume / Issue: 859 (2) Sequence Number: 112 Start / End Page: - Identifier: -