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Millihertz quasi-periodic oscillations and broad iron line from LMC X-1

Alam, Shah Md; Dewangan, Gulab C; Belloni, T; Mukherjee, Dipanjan; Jhingan, Sanjay


We study the temporal and energy spectral characteristics of the persistent black hole Xray binary LMC X-1 using two XMM–Newton and a Suzaku observation. We report the discovery of low-frequency (∼26–29 m Hz) quasi-periodic oscillations (QPOs). We also report the variability of the broad iron Kα line studied earlier with Suzaku. The QPOs are found to be weak with fractional rms amplitude in the ∼1–2 per cent range and quality factor Q ∼ 2–10. They are accompanied by weak red noise or...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/stu2048
Access Rights: Open Access


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