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首页> 外文期刊>PASJ: Publications of the Astronomical Society of Japan >Temperature and Metallicity in the Intra-Cluster Medium of Abell 262 Observed with Suzaku
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Temperature and Metallicity in the Intra-Cluster Medium of Abell 262 Observed with Suzaku

机译：朱雀观测到的Abell 262团簇内介质的温度和金属性

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Westudiedthetemperatureandabundancedistributionsoftheintra-clustermedium(ICM)intheAbell262clusterofgalaxiesobservedwithSuzaku.Abell262isabright,nearbypoorclusterwithanICMtemperatureof$$sim$$2keV,thusprovidingusefulinformationabouttheconnectionofICMpropertiesbetweengroupsandclustersofgalaxies.WiththeXISinstrument,wedirectlymeasurednotonlytheSi,S,andFelines,butalsotheOandMglines,andobtainedthoseabundancestoanouterregionof$$sim$$0.43$$r_{180}$$forthefirsttime.WefoundsteepgradientsforMg,Si,S,andFeabundances,whileOshowedanalmostflatabundancedistribution.Theabundanceratiosof$$alpha$$-elementstoFewerefoundtobesimilartothoseoftheotherclustersandgroups.WecalculatedthenumberratiooftypeIItotypeIasupernovaefortheICMenrichmenttobe3.0$$pm$$0.6within0.1$$r_{180}$$;thevaluewasconsistentwiththoseforotherclustersandgroups.Wealsocalculatedthemetalmass-to-lightratios(MLRs)forFe,O,andMgwith$$B$$-bandand$$K$$-bandluminositiesofthemembergalaxiesofAbell262.ThederivedMLRswerecomparabletothoseforotherclusterswith$$kT$$$$=$$3a€“4keV.
机译：Westudiedthetemperatureandabundancedistributionsoftheintra-clustermedium（ICM）intheAbell262clusterofgalaxiesobservedwithSuzaku.Abell262isabright，nearbypoorclusterwithanICMtemperatureof $$ SIM $$ 2keV，thusprovidingusefulinformationabouttheconnectionofICMpropertiesbetweengroupsandclustersofgalaxies.WiththeXISinstrument，wedirectlymeasurednotonlytheSi，S，andFelines，butalsotheOandMglines，andobtainedthoseabundancestoanouterregionof $$ SIM $$ 0.43 $$ R_ {180} $$ forthefirsttime.WefoundsteepgradientsforMg，硅， S，andFeabundances，whileOshowedanalmostflatabundancedistribution.Theabundanceratiosof $$阿尔法$$ - elementstoFewerefoundtobesimilartothoseoftheotherclustersandgroups.WecalculatedthenumberratiooftypeIItotypeIasupernovaefortheICMenrichmenttobe3.0 $$下午$$ 0.6within0.1 $$ R_ {180} $$; thevaluewasconsistentwiththoseforotherclustersandgroups.Wealsocalculatedthemetalmass到lightratios（混合淋巴细胞反应）forFe，O，andMgwith成员Abell262的星系的$ B $$波段和$$ K $$波段的亮度与其他集群的MLR相当。 th $$ kT $$$$ = $$ 3a？4keV。

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