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   Articles with "1915 105" as a keyword



Mapping the X-ray variability of GRS 1915+105 with machine learning

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recommendations! Published in 2023 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/stad1332

Abstract: Black hole X-ray binary systems (BHBs) contain a close companion star accreting onto a stellar-mass black hole. A typical BHB undergoes transient outbursts during which it exhibits a sequence of long-lived spectral states, each of… read more here.

Keywords: variability; 1915 105; machine learning; grs 1915 ... See more keywords

Comprehensive X-ray spectral-timing analysis of GRS 1915+105 based on Insight–HXMT observations

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recommendations! Published in 2025 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/staf1759

Abstract: GRS 1915+105 has been well studied since its discovery and is well known for its complex light-curve variability. Using the full currently available Hard X-ray Modulation Telescope (Insight–HXMT) data set from 2017 July to 2023… read more here.

Keywords: 1915 105; spectral timing; insight hxmt; grs 1915 ... See more keywords

Evidence of oscillating ‘compact’ Comptonized corona in GRS 1915+105: Insights into HFQPOs with AstroSat

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recommendations! Published in 2025 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/staf926

Abstract: We present, for the first time, an in-depth dynamical analysis of the spectro-temporal properties of the soft variability classes (δ, κ, ω, and γ) of GRS 1915+105 during the detection of ∼70 Hz High-Frequency Quasi-periodic Oscillations… read more here.

Keywords: detection; comptonized corona; corona; hfqpos ... See more keywords

Exploring the radial disc ionization profile of the black hole X-ray binary GRS 1915+105

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recommendations! Published in 2019 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/stz3455

Abstract: Accreting black holes show characteristic 'reflection' features in their X-ray spectra, including the iron K$\alpha$ fluorescence line, which result from X-rays radiated by a compact central corona being reprocessed in the accretion disc atmosphere. The… read more here.

Keywords: disc ionization; grs 1915; ionization profile; disc ... See more keywords