Relativistic radiative transfer in relativistic spherical flows

Publications of the Astronomical Society of Japan

Fukue, Jun¹ 

[1] Fukue, Jun@@

关键词: "accretion;    accretion disks";    "black hole physics";    "galaxies: active";    "radiative transfer";    "relativistic processes";   

DOI  :  10.1093/pasj/psw112

学科分类：天文学(综合)

来源: Oxford University Press

【 摘 要 】

Relativisticradiativetransferinrelativisticsphericalflowsisnumericallyexaminedunderthefullyspecialrelativistictreatment.Wefirstderiverelativisticformalsolutionsfortherelativisticradiativetransferequationinrelativisticsphericalflows.Wetheniterativelysolvetherelativisticradiativetransferequation,usinganimpactparametermethod/tangentraymethod,andobtainspecificintensitiesintheinertialandcomovingframes,aswellasmomentquantities,andtheEddingtonfactor.Weconsiderseveralcases;ascatteringwindwithaluminouscentralcore,anisothermalwindwithoutacore,ascatteringaccretionontoaluminouscore,andanadiabaticaccretionontoadarkcore.Inthetypicalwindcasewithaluminouscore,theemergentintensityisenhancedatthecenterduetotheDopplerboost,whileitreducesattheoutskirtsduetothetransverseDopplereffect.Incontrasttotheplane-parallelcase,thebehavioroftheEddingtonfactorisrathercomplicatedineachcase,sincetheEddingtonfactordependsontheopticaldepth,theflowvelocity,andotherparameters.

【 授权许可】

Unknown