Precessional Light Curves of SS 433

Publications of the Astronomical Society of Japan

Obana, Yoshimi¹  Fukue, Jun¹  Okugami, Masamitsu¹ 

[1] Astronomical Institute, Osaka Kyoiku University, Asahigaoka, Kashiwara, Osaka 582-8582 E-mail(JF):

关键词: "Accretion disks";    "Light curves";    Precession;    "Stars: binaries";    "Stars: individual (SS 433)";   

DOI  :  10.1093/pasj/50.1.81

学科分类：天文学(综合)

来源: Oxford University Press

【 摘 要 】

WehavecalculatedtheoreticallightcurvesofSS433duringprecession,usingamodelinwhichSS433consistsofageometricallythicktorusaroundacompactstarandacompanionstarfillingtheRochelobe.Inordertointerpretabrighthumpattheprecessionphaseof0(thetorusisseenfromthe“bottomside”),theconfigurationofthetorusisnotverythick,butshouldberatherthin(atleastmildlythin).Combinationsoflightcurvesduringeclipseandprecessionimposeseveralconstraintsonthephysicalparameters:thebinarymassratio,torusconfiguration,andsurfacetemperatureofthecompanion.Thefavoritecombinationisamassratioofabout2(acompactstarisablackhole)andasurfacetemperatureofthecompanionofaround17000K.

【 授权许可】

Unknown