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arxiv: 1601.05867 · v1 · pith:VD2YLO3Rnew · submitted 2016-01-22 · 🌌 astro-ph.HE

Systematic spectral analysis of GX 339-4: influence of Galactic background and reflection models

M. Clavel (1) , J. Rodriguez (1) , S. Corbel (1) , M. Coriat (2) (1. AIM/CEA-Saclay , 2. IRAP) This is my paper
classification 🌌 astro-ph.HE
keywords reflectionspectralanalysisbackgroundcomponentgalacticmodelsystematic
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Black hole X-ray binaries display large outbursts, during which their properties are strongly variable. We develop a systematic spectral analysis of the 3-40 keV RXTE/PCA data in order to study the evolution of these systems and apply it to GX 339-4. Using the low count rate observations, we provide a precise model of the Galactic background at GX 339-4's location and discuss its possible impact on the source spectral parameters. At higher fluxes, the use of a Gaussian line to model the reflection component can lead to the detection of a high-temperature disk, in particular in the high-hard state. We demonstrate that this component is an artifact arising from an incomplete modeling of the reflection spectrum.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Radio-X-ray Time Lags in GX 339-4: Probing Magnetic Field Transport in Black Hole Accretion

    astro-ph.HE 2026-05 unverdicted novelty 5.0

    Time lag analysis using ICCF on GX 339-4 data reveals state-dependent radio-X-ray delays interpreted as evidence for magnetic field transport linking the inner accretion flow and jet.

  2. Radio-X-ray Time Lags in GX 339-4: Probing Magnetic Field Transport in Black Hole Accretion

    astro-ph.HE 2026-05 unverdicted novelty 4.0

    Radio precedes X-ray Compton luminosity by ~3 days in the rising hard state but lags by ~8 days in the decaying hard state of GX 339-4, with inner magnetic field strength estimated from accretion rate and truncation r...