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1、中國科學技術(shù)大學碩士學位論文低光度塞弗特2星系和活動星系核統(tǒng)一模型姓名：KessellyAltonVanie申請學位級別：碩士專業(yè)：天體物理指導教師：王俊賢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中國科學技術(shù)大學碩士畢業(yè)論文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
