Suzaku study on the ejecta of the supernova remnant G272.2a?’3.2

Kamitsukasa Fumiyoshi; Koyama Katsuji; Nakajima Hiroshi; Hayashida Kiyoshi; Mori Koji; Katsuda Satoru; Uchida Hiroyuki; Tsunemi Hiroshi

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Suzaku study on the ejecta of the supernova remnant G272.2a?’3.2

机译：朱雀对超新星残余G272.2a喷出物的研究？’3.2

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WereportreanalysesoftheSuzakuobservationsoftheGalacticsupernovaremnant(SNR)G272.2a?’3.2,forwhichpreviousstudieswerelimitedbelow3a€‰keV.Withcarefuldatareductionandbackgroundsubtraction,wediscovertheK-shelllinesofAr,Ca,andFeabove3a€‰keV.TheX-rayspectrumofG272.2a?’3.2consistsoftwocomponents,alow-temperaturecollisionalionizationequilibrium(CIE)plasma(kTea??0.2a€‰keV)andahigh-temperaturenon-equilibriumionization(NEI)plasma(kTe=0.6a€“3a€‰keV).TheCIEplasmahassolarabundancesovertheentirearea,henceitoriginatesfromtheinterstellarmedium.Ontheotherhand,theabundancesoftheNEIplasmaincreasetowardtheinnerregion,suggestingejectaorigin.ThelinecenterenergyoftheFeK-shellemission(a??6.4a€‰keV)suggeststhattheejectaarerecentlyheatedbyreverseshock,acommonfeatureinType??IaSNRs.

机译：我们报告了对银河系超新星残骸（SNR）G272.2a？3.2的朱雀观测的分析，其先前的研究被限制在3kkeV以下。通过仔细的数据减少和背景扣除，我们发现了由K（2.2）组成的低配位的K-壳状线（C）（K）由3个等温线组成。 0.2千keV）和高温非平衡电离（NEI）等离子体（kTe = 0.6a 3a keV）。CIE等离子体在整个面积上具有类似的丰度，因此从星际铁矿开始发光。另一方面，高能量的软质NEI等离子体向该区域的中心方向发展，这表明了整个方向的开裂。）建议弹出式天线最近受到反向电击加热，IaSNR类型的常见特征。

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《PASJ: Publications of the Astronomical Society of Japan》 |2016年第sp1期|共页
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Kamitsukasa Fumiyoshi; Koyama Katsuji; Nakajima Hiroshi; Hayashida Kiyoshi; Mori Koji; Katsuda Satoru; Uchida Hiroyuki; Tsunemi Hiroshi;
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机译：超新星遗存G156.2 + 5.7中弹丸结构和硬X射线辐射源的朱雀研究。

Suzaku study on the ejecta of the supernova remnant G272.2a?’3.2

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