29918.銀河黑洞x射線雙星系統(tǒng)的x射線輻射機(jī)制及吸積流結(jié)構(gòu)

1、中國(guó)科學(xué)院研究生院博士學(xué)位論文銀河黑洞X射線雙星系統(tǒng)的X射線輻射機(jī)制及吸積流結(jié)構(gòu)姓名：嚴(yán)麗紅申請(qǐng)學(xué)位級(jí)別：博士專業(yè)：天體物理指導(dǎo)教師：王建成201105Abstract、ranLihong(Astrophysics)DirectedByWangJianchengMostGalacticblackholebinariesshowsemi—periodicoutburst，andbeclaJS—si6edwithdiHerentXrayst

2、ateaccordingtotheX—raypropertiesinthewh01eoutburstFomonsetoftheoutburst，thesystemcangothrough10Ⅵ，hardstate，intermediatestateorVeryhighstate，highsoftstate，thenlowh缸dstateagain(buttheluminosityisonlyahalfoftherisephase)，an

3、dthelaStquietstateDur—ingthewh01eoutburst，theirxrayproperties，accretionnowandthemechanismoftheX—rayradiation，showlargevarieties，implyingthesigni6cantchangesintheaccretionpl碼，sicsWbhaⅣec叮riedoutadetailedanalysisoftheX—rav

4、transientXTEJ1650—500asobserVedduringitsdiscoVeryoutburstin2001／2002bytheRDssix—R硝TimingExplorerByfittingtheRXTEobserⅦ噸ionswithphenomen0109icalandphysicalmodelsreasonablywegotsomeconstraillsontheComptonproeessforthehards

5、tateandthesoftstate，ie，thermalComptonizationdominatingthehardX—rayeⅡlissioninthehardstateandthebulk—motionC：omptonizationcontrollinginthesoftstateDuringthestatetransitionfromthehardtothesoft，acontractionoftheComptonizati

6、onregion(Comptoncloud)withthee丑ectivesurfaceareadecreasingafactorof一23suggeststhatinadditionto疣(massaccretionrate)thereisanotherparameterresponsibleforthestatetransitioninXTEJ1650—500，andthisseconddrivingfactormaythethes

7、caleoftheComptonizingplasmaAndtheanticorrelationbetweenthefluxoftheFb甄emissionlineandthepower—lawfluxinhardstatecanbeweUexplainedinthelight—bendingmodelcoⅡ1bingtheobtainedenergyspectrapropertieswithusandthepriorachieveme