{"title":"Spectro-temporal study of atoll source GX 9+9 observed with AstroSat","authors":"Sree Bhattacherjee, Arbind Pradhan, Biplob Sarkar","doi":"arxiv-2409.11721","DOIUrl":null,"url":null,"abstract":"In this work, we performed a spectro-temporal investigation of the low-mass\nX-ray binary GX 9+9 using the Large Area X-ray Proportional Counter (LAXPC) and\nSoft X- ray Telescope (SXT) observation on board AstroSat. The source was\ndetected in the soft state during the observation, which results in a disk\ndominating energy spectrum within the energy range of 0.7-25.0 keV. We carried\nout the analysis at different flux levels. In the temporal analysis, LAXPC data\nin all flux levels showed the presence of noise components, describing broad\nLorentzian components. We modeled the energy-dependent temporal properties of\nthe source in order to identify the radiative origin of the observed\nvariability. This source is not a well-studied source; hence we attempt to\nestimate various source characteristics like inner-disk radius, flux, and\ninner-disk temperature.","PeriodicalId":501343,"journal":{"name":"arXiv - PHYS - High Energy Astrophysical Phenomena","volume":"23 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"arXiv - PHYS - High Energy Astrophysical Phenomena","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/arxiv-2409.11721","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
In this work, we performed a spectro-temporal investigation of the low-mass
X-ray binary GX 9+9 using the Large Area X-ray Proportional Counter (LAXPC) and
Soft X- ray Telescope (SXT) observation on board AstroSat. The source was
detected in the soft state during the observation, which results in a disk
dominating energy spectrum within the energy range of 0.7-25.0 keV. We carried
out the analysis at different flux levels. In the temporal analysis, LAXPC data
in all flux levels showed the presence of noise components, describing broad
Lorentzian components. We modeled the energy-dependent temporal properties of
the source in order to identify the radiative origin of the observed
variability. This source is not a well-studied source; hence we attempt to
estimate various source characteristics like inner-disk radius, flux, and
inner-disk temperature.
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