低光度塞弗特2星系和活动星系核统一模型

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1、中国科学技术大学硕士学位论文低光度塞弗特2星系和活动星系核统一模型姓名：KessellyAltonVanie申请学位级别：硕士专业：天体物理指导教师：王俊贤201107ABSTRACTUsingShueta1．，2007’S”InvestigatingTheNuclearObscurationinTwoTypesofSeyfert2Galaxies’(Shueta1．，2007)”asaprototype，wedemonstratedthathighsignal—tO—noiseratioandbetterspatiallyresolvedd

2、atacanaccountforsomeoftheob·servationsthatareinconsistentwiththeUnificationmodelsofActiveGalacticNuclei．Newdatafortherelativelylowluminousseyfert2sources((seyfert2withluminos·ity<1041erg／s)，whichwouldn’tbeincorporatedintheconclusionsofShueta1．，2007，aresoughtforandanalyzed，t

3、oexaminewhetherdoingSOwouldleadtothein—clusionallofallofShueta1．’Ssampleintotheftconclusions．Weaccomplishedthattasksuccessfullyandthenembarkedontheslipperyslopeofquestioningsomehigh-lycherishedconceptsuponwhichcurrentunderstandingsofActiveGalacticNucleiareanchoredandindoing

4、SOprovidedpersonalperspectivesonthewayforwardforacomprehensiveunderstandingofAGN．Keywords：AGN中国科学技术大学硕士毕业论文Chapter1IntroductionTheUniverseistheplaygroundforvastarrayoffascinatingandcomplexphenomenaOneofthemostfascinatingandsomewhatmysteriousofthesefascinatingandcomplexpheno

5、menaiSActiveGalacticNuclei(AGN)．ActiveGalacticNuc’leiisthegenericnamegiventOphenomenainwhichprodigiousamountofrapidlyvaryingradiations，whichareemittedacrosstheentireelectromagneticspectrum，areobservedtobecomingfromverysmalldistantregions．Inthisthesis，theUnifiedModelsofActiv

6、eGalacticNucleiwillbesubjectedtocriticalscrutiny．Thegoalistotestwhetherhighersignal-to-noiseandbetterandspatiallyresolveddatacangetridofsomeoftheobservedinconsistenciesassociatedwiththeUnificationmodelsofActiveGalacticNuclei(AGN)．Also，impressionsaboutthecurrenttrendsinAGNst

7、udieswillbegivenandapersonalperspectiveonthewayforwardwillbeproffered．Chapter1takesaquickvoyagethroughthedefiningcharacteristicsofActiveGalacticNucleiandsetthebasisfortheargumentsinsubsequentchapters．InChapter2．theUnificationschemesforActiveGalacticNucleiiSintroduced，somein

8、consistencieswithAGNUnificationschemesarediscussedandaprocedurethatwilIbeusedtotes