Chandra and XMM-Newton Observations of a Group of Galaxies, HCG 62

Morita Umeyo; Ishisaki Yoshitaka; Yamasaki Noriko Y.; Ota Naomi; Kawano Naomi; Fukazawa Yasushi; Ohashi Takaya

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Chandra and XMM-Newton Observations of a Group of Galaxies, HCG 62

机译：钱德拉和XMM-牛顿对一组星系的观测，HCG 62

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WepresentresultsfromChandraandXMM-Newtonobservationsofabrightgroupofgalaxies,HCG62.Therearetwocavitiesatabout$$30{}^{primeprime}$$northeastand$$20{}^{primeprime}$$southwestofthecentralgalaxyintheChandraimage.Theenergyspectrumshowsnosignificantchangeinthecavitycomparedwiththatinthesurroundingregion.TheradialX-rayprofileisdescribedbythesumofthe3-$$eta$$componentswithcoreradiiofabout2,10,and160a€‰kpc.Westudiedtheradialdistributionsofthetemperatureandthemetalabundancewithajointspectralfitforbothdata;twotemperatureswererequiredintheinner$$r2'$$(36a€‰kpc)region.Asharpdropofthetemperatureat$$rsim5'$$impliesagravitationalmassdensityevenlowerthanthegasdensity,suggestingthatthegasmaynotbeinhydrostaticequilibrium.TheFeandSiabundancesare1a€“2solaratthecenter,anddroptoabout0.1solarat$$rsim10'$$.TheOabundanceislessthan0.5solar,andshowsaflatterprofile.TheobservedmetaldistributionsupportstheviewthatironandsiliconareproducedbytypeIasupernova(SNIa)inthecentralgalaxy,whilegalacticwindsbySNIIhavecausedawidedistributionofoxygen.Thesupportingmechanismofthecavityisdiscussed.Thepressureforthesumofelectronsandthemagneticfieldistoolowtodisplacethehotgroupgas,andtherequiredpressureduetohigh-energyprotonsisnearly700-timeshigherthantheelectronpressure.Thisleavestheoriginofthecavitiesapuzzle;wealsodiscussotherpossibleoriginsofthecavities.

机译：WepresentresultsfromChandraandXMM-Newtonobservationsofabrightgroupofgalaxies，HCG62.Therearetwocavitiesatabout $$ 30 {} ^ {primeprime} $$ northeastand $$ 20 {} ^ {primeprime} $$ southwestofthecentralgalaxyintheChandraimage.Theenergyspectrumshowsnosignificantchangeinthecavitycomparedwiththatinthesurroundingregion.TheradialX-rayprofileisdescribedbythesumofthe3 - $$ ETA $$ componentswithcoreradiiofabout2,10，and160a€‰KPC。 Westudiedtheradialdistributionsofthetemperatureandthemetalabundancewithajointspectralfitforbothdata; twotemperatureswererequiredintheinner $$ RLT; 2 '$$（36A€‰KPC）region.Asharpdropofthetemperatureat $$ rsim5' $$ impliesagravitationalmassdensityevenlowerthanthegasdensity，suggestingthatthegasmaynotbeinhydrostaticequilibrium.TheFeandSiabundancesare1a€“2solaratthecenter，anddroptoabout0.1solarat $$ rsim10' $$ TheOabundanceislessthan0.5solar，andshowsaflatterprofile观察到的金属分布支持这样的观点，即在中央星系中由Ia超新星（SNIa）类型产生的铁和硅，而由SNII引起的银河风引起了讨论了空穴的支持机理。讨论了电子和磁场之和的压力要降低以置换热组气体，并且由于高能质子所需要的压力要比电子压力高近700倍。

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《PASJ: Publications of the Astronomical Society of Japan》 |2006年第4期|共页
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Morita Umeyo; Ishisaki Yoshitaka; Yamasaki Noriko Y.; Ota Naomi; Kawano Naomi; Fukazawa Yasushi; Ohashi Takaya;
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1. Chandra and XMM-Newton observations of a group of galaxies, HCG 62 [J] . Morita U, Ishisaki Y, Yamasaki NY, PASJ: Publications of the Astronomical Society of Japan . 2006,第4期

机译：钱德拉和XMM-牛顿对一组星系的观测，HCG 62
2. CAVITIES AND SHOCKS IN THE GALAXY GROUP HCG 62 AS REVEALED BY CHANDRA, XMM-NEWTON, AND GIANT METREWAVE RADIO TELESCOPE DATA [J] . Myriam Gitti12, Ewan OSullivan13, Simona Giacintucci14, The Astrophysical journal . 2010,第1期

机译：由CHANDRA，XMM-NEWTON和巨型METREWAVE无线电望远镜数据揭示的HCG 62星系中的空穴和冲击
3. CAVITIES AND SHOCKS IN THE GALAXY GROUP HCG 62 AS REVEALED BY CHANDRA, XMM-NEWTON, AND GIANT METREWAVE RADIO TELESCOPE DATA [J] . Myriam Gitti12, Ewan OSullivan13, Simona Giacintucci14, The Astrophysical journal . 2010,第1期

机译：由CHANDRA，XMM-NEWTON和巨型METREWAVE无线电望远镜数据揭示的HCG 62星系中的空穴和冲击
4. AGN FEEDBACK IN GALAXY GROUPS:THE CASE OF HCG 62 [C] . Gitti M, OSullivan E, Giacintucci S, X-Ray Astronomy Conference . 2010

机译：Galaxy团体的AGN反馈：HCG 62的情况
5. Flares on active M-type stars observed with XMM-Newton and Chandra [D] . Kraev, Urmila Mitra 2007

机译：用XMM-Newton和Chandra观测到的活跃M型恒星耀斑
6. Chandra’s First Decade of Discovery Special Feature: X-raying galaxies: A Chandra legacy [O] . Q. Daniel Wang 2010

机译：钱德拉发现的第一个十年特别报道：X射线星系：钱德拉的遗产
7. Chandra and XMM-Newton Observations of a Group of Galaxies HCG 62 [O] . Umeyo Morita, Yoshitaka Ishisaki, Noriko Y. Yamasaki, 2006

机译：Chandra和Xmm-Newton观测一组星系HCG 62
8. 2-79 Ke V X-Ray Spectrum of the Circinus Galaxy with NuStar, XMM-Newton, and Chandra: A Fully Compton-Thick Active Galactic Nucleus. [R] . Arevalo, P., Bauer, F. E., Puccetti, S., 2014

机译：2-79带有Nustar，Xmm-Newton和Chandra的Circinus星系的Ke V X射线谱：一个完全康普顿厚的活动星系核。

Chandra and XMM-Newton Observations of a Group of Galaxies, HCG 62

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