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首页> 外文期刊>PASJ: Publications of the Astronomical Society of Japan >ASCA Observations of the Temperature Structure and Metal Distribution in the Perseus Cluster of Galaxies
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ASCA Observations of the Temperature Structure and Metal Distribution in the Perseus Cluster of Galaxies

机译：星系英仙座团的温度结构和金属分布的ASCA观测。

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Large-scaledistributionsofhot-gastemperatureandFeabundanceinthePerseusclusterhavebeenstudiedwithmulti-pointingobservationsbytheGISinstrumentonboardASCA.Withinaradiusof$${20{}^{mathrm{prime}}}$$fromtheclustercenter,theenergyspectrarequirestwotemperaturecomponents,inwhichthecoolcomponentindicates$$kTsim2;mathrm{keV}$$andthehot-componenttemperatureshowsasignificantdeclinefromabout8keVto6keVtowardthecenter.Intheouterregionofthecluster,thetemperatureshowsafluctuationwithanamplitudeofabout2keV,whichsuggestthatawesternregionat$$sim{16{}^{mathrm{prime}}}$$fromtheclustercenterisrelativelyhotter.AsfortheFeabundance,asignificantdeclinewithradiusisdetectedfrom0.44solaratthecenterto$$sim0.1$$solarata$${50{}^{mathrm{prime}}}$$offsetregion.IftheobservedFe-Klineintensitywithin$${4{}^{mathrm{prime}}}$$fromthecenterissuppressedbyafactorof2duetotheresonancescatteringeffect,thecorrectedFemassdensityfollowsthegalaxydistribution.Finally,ourresultsdonotsupportthelarge-scalevelocitygradientspreviouslyreportedfromthesameGISdata.
机译：大scaledistributionsofhot-gastemperatureandFeabundanceinthePerseusclusterhavebeenstudiedwithmulti-pointingobservationsbytheGISinstrumentonboardASCA.Withinaradiusof $$ {20 {} ^ {mathrm {黄金}}} $$ fromtheclustercenter，theenergyspectrarequirestwotemperaturecomponents，inwhichthecoolcomponentindicates $$ kTsim2; mathrm {}千电子伏$$ andthehot-componenttemperatureshowsasignificantdeclinefromabout8keVto6keVtowardthecenter.Intheouterregionofthecluster，thetemperatureshowsafluctuationwithanamplitudeofabout2keV，whichsuggestthatawesternregionat $从集群中心的$ sim {16 {} ^ {mathrm {prime}}} $$相对较热。就丰度而言，从中心的0.44solarat到$ sim0.1 $$ solarata $$ {50 {} ^ {mathrm {prime}}} $$的偏移区域中检测到半径显着下降。 -Klineintensity在$$ {4 {} ^ {mathrm {prime}}} $$范围内，从中心点受到2倍其他色散效应的影响，校正后的Femass密度遵循星系分布。最后，我们的结果不支持以前的大规模速度梯度来自相同的GIS数据。

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