COSMOS天區(qū)星系團(tuán)的BO效應(yīng)和CM關(guān)系.pdf

1、學(xué)位論文獨(dú)創(chuàng)性聲明本人鄭重聲明：所提交的學(xué)位論文是本人在導(dǎo)師指導(dǎo)下進(jìn)行的研究工作和取得的研究成果。本論文中除引文外，所有實驗、數(shù)據(jù)和有關(guān)材料均是真實的。本論文中除引文和致謝的內(nèi)容外，不包含其他人或其它機(jī)構(gòu)已經(jīng)發(fā)表或撰寫過的研究成果。其他同志對本研究所做的貢獻(xiàn)均己在論文中作了聲明并表示了謝意。學(xué)位論文作者簽名：礦旨萄鋸長日期：2。，億t歲、工夕學(xué)位論文使用授權(quán)聲明研究生在校攻讀學(xué)位期間論文工作的知識產(chǎn)權(quán)單位屬南京師范大學(xué)。學(xué)校有權(quán)保存本學(xué)

2、位論文的電子和紙質(zhì)文檔，可以借閱或上網(wǎng)公布本學(xué)位論文的部分或全部內(nèi)容，可以采用影印、復(fù)印等手段保存、匯編本學(xué)位論文。學(xué)?？梢韵驀矣嘘P(guān)機(jī)關(guān)或機(jī)構(gòu)送交論文的電子和紙質(zhì)文檔，允許論文被查閱和借閱。(保密論文在解密后遵守此規(guī)定)保密論文注釋：本學(xué)位論文屬于保密論文，密級：密期限為——年。學(xué)位論文作者簽名：廣旨箱豫日期：掃慨歲印指導(dǎo)教師簽名：?？孔罄邴怉昏日期：7加lqS誑AbstractAbstractAsthelargestgravitat

3、ionallyboundsystemsintheuniverse，clustersofgalaxiesareimportanttracersoflargescalestructuresClustersofgalaxiesareregardedasthelaboratoriesforinvestigatingthegravitationalinteractionwithenvironmentandtheevolutionaryproces

4、sesofgalaxiesAmongnumeroussurveyprojects，theCOSMOS(TheCosmicEvolutionSurvey)isoneofthemostimportantprojectsTheCOSMOSCOVerSa2squaredegreeequatorialfield，andaimsatprobingtheformationandevolutionofgalaxiesasafunctionofcosmi

5、ctime(ie，redshiR)andlargescalestructureenvironmentusingmostofthemajorspacebasedandgroundbasedlargetelescopesTheButcherOemlereffect(abbr，theBOeffect)，ie，theproportionofbluegalaxiesincreasewithredshiR，isaveryimportantresea

6、rchachievementsintheresearchfieldofgalacticevolutionBasedonthephotometricredshiffdatabaseintheCOSMOSfieldWen&Han(2011)1621obtainedasampleof187clustersincludinganumberofhighredshiflclusters，whichfacilitiesthestudyontheevo

7、lutionofbluegalaxyfractionwithclusterredshiftTakingtheSubarug。rimagnitudes，weadoptthreecolorcriteriatoselectbluegalaxiesAremarkabletrendthatthebluefractionincreaseswithredshiftisfoundTheBOeffectisconfirmed，anditsscatteri

8、ngisfoundtobedependentupontheclusterrichnessThecolormagnituderelation(abbr，CMrelation)isalinearcorrelationbetweenthecolorandabsolutemagnitudeforellipticalgalaxies，whichreflectsthespectralevolutionwiththeassembledmassWcco

9、ncernaboutwhethertheCMrelationiSvariablewithredshifi，andwhetheritisafunctionoflargescalestructureenvironmentThisthesistakesUSeoffoursamplesofearlytypegalaxiesintheclustersandthefieldsatdifferentredshiftsBycomparingtheCMr

10、elationdiagrams，itisfoundthattheCMrelationstendtobeslooperathigherredshiflsforclustergalaxies，andnocleartendencyisfoundforfieldgalaxiesForthesampleswiththesameredshift，theCMrelationslopesarebasicallysameforclusterandfiel