Inference on disk-jet connection of MAXI J1836-194 from spectral analysis with the TCAF solution

• 作者: Arghajit Jana Debjit Chatterjee Dipak Debnath Sandip K.Chakrabarti
• 来源期刊: 天文和天体物理学研究
• 年，卷（期）: 2020,（3）
• 页码范围: 1-14
• 页数: 14页
• 语种: 英文
• DOI: 10.1088/1674-4527/20/3/28

摘要

Galactic transient black hole candidate (BHC) MAXI J1836-194 was discovered on 2011 Aug 30,by MAXI/GSC and Swift/BAT.The source activity during this outburst continued for ～ 3 months before entering into the quiescent state.It again became active in March 2012 and continued for another ～ 2 months.In this paper,3-25keV RXTE/PCA spectra from the 2011 outburst and 0.5-10.0keV Swift/XRT data during its 2012 outburst are analyzed with the two-component advective flow (TCAF)model based fits files in XSPEC.We calculate the X-ray contributions coming from jets/outflow using a newly developed method based on the deviation of the TCAF model normalization.We also study the correlation between observed radio and estimated jet X-ray fluxes.The correlation indices (b) are found to be 1.79 and 0.61,when the 7.45 GHz Very Large Array (VLA) radio flux is correlated with the total X-ray and jet X-ray fluxes in 3-25 keV range respectively.It has been found that the jet contributes in X-rays up to a maximum of 86％ during its 2011 outburst.This makes the BHC MAXI J1836-194 strongly jet dominated during the initial rising phase.