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首页> 外文期刊>PASJ: Publications of the Astronomical Society of Japan >Suzaku Spectroscopy of an X-Ray Reflection Nebula and a New Supernova Remnant Candidate in the SgrB1 Region
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Suzaku Spectroscopy of an X-Ray Reflection Nebula and a New Supernova Remnant Candidate in the SgrB1 Region

机译:SgrB1地区的X射线反射星云和新的超新星残留候选者的朱雀光谱。

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摘要

Wemadea100ksobservationoftheSagittarius(Sgr)B1regionat$$(l,b)=$$(0D.5,$$-$$0D.1)neartotheGalacticcenter(GC)withtheSuzaku/XIS.EmissionlinesofSXV,FeI,FeXXV,andFeXXVIwereclearlydetectedinthespectrum.WefoundthattheFeXXVandFeXXVIlineemissionssmoothlydistributeovertheSgrB1andB2regionsconnectingfromtheGC.ThisresultsuggeststhattheGChotplasmaextendsatleastuptotheSgrBregionwithconstanttemperature.TherearetwodiffuseX-raysourcesintheobservedregion.Oneofthetwo(G0.42$$-$$0.04)isnewlydiscovered,andexhibitsastrongSXVK$$alpha$$emissionline,suggestingacandidateforasupernovaremnantlocatedintheGCregion.Theotherone(M0.51$$-$$0.10),havingaprominentFeIK$$alpha$$emissionlineandastronglyabsorbedcontinuum,islikelytobeanX-rayreflectionnebula.ThereisnonearsourcebrightenoughtoirradiateM0.51$$-$$0.10.However,theFeIK$$alpha$$emissioncanbeexplainedifSgrA*was$$sim10^6$$timesbrighter300yearsago,thelighttraveltimefor100pctoM0.51$$-$$0.10,thanitisatpresent.
机译:Wemadea100ksobservationoftheSagittarius(SGR)B1regionat $$(L,B)= $$(0D.5,$$ - $$ 0D.1)neartotheGalacticcenter(GC)withtheSuzaku / XIS.EmissionlinesofSXV,菲,FeXXV,andFeXXVIwereclearlydetectedinthespectrum.WefoundthattheFeXXVandFeXXVIlineemissionssmoothlydistributeovertheSgrB1andB2regionsconnectingfromtheGC.ThisresultsuggeststhattheGChotplasmaextendsatleastuptotheSgrBregionwithconstanttemperature.TherearetwodiffuseX新发现两个(G0.42 $$-$ 0.04)中的一个,并展示了一条强壮的SXVK $$ alpha $$发射线,建议将超新星残骸放置在GC区域中。另一个(M0.51 $$$-$$$ 0.10折光X射线,一直保持着显着的连续性。没有耳朵的光亮度足以照射到M0.51 $$-$$ 0.10。但是,如果SgrA *为300sago,则SIKA *为$ sim10 ^ 6 $$ timesslighter 300year,光通量为100pctoM0.51 $$-$$$ 0.10,这是目前的平均水平。

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