ASCA Observations of the Crab-Like Supernova Remnant 3C 58

Torii Kenichi; Slane Patrick O.; Kinugasa Kenzo; Hashimotodani Kiyoshi; Tsunemi Hiroshi

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ASCA Observations of the Crab-Like Supernova Remnant 3C 58

机译：蟹状超新星残骸3C 58的ASCA观测

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WepresenthereX-rayobservationofaCrab-likesupernovaremnant(SNR)3C58withASCA.Wefindthattheintegratedenergyspectrumoverthenebulaisconsistentwithpreviousresults,showingapower-lawspectrumwiththephotonindexof?3=2.2a€“2.4,modifiedbyinterstellarabsorptionofabout(3a€“4)'1021cma?’2.Theinclusionofablackbodycomponent,whichisattributabletothecentralcompactsource,significantlyimprovesthespectralfit.Stringentupperlimitsforanylineemittingthinhotplasmaareestablished.WefindforthefirsttimethatthenebularspectrumisharderinthecentralpartoftheSNR,becomingsoftertowardtheperiphery,whiletheabsorptioncolumnisuniformacrossthenebula.Correspondingly,thenebularsizedecreaseswithincreasingphotonenergy,whichisasteeperfunctionoftheradiusthanthatoftheCrabnebula.Theresultsarecomparedwithsynchrotronenergy-lossmodels,andthenatureoftheputativepulsarisdiscussed.AtiminganalysiswasperformedtosearchforpulsedX-rayemissionfromthecentralcompactsource.Nosignificantpulsationswereobserved;andwepresenttheupperlimitforthepulsedfraction.

机译：WepresenthereX-rayobservationofaCrab-likesupernovaremnant（SNR）3C58withASCA.Wefindthattheintegratedenergyspectrumoverthenebulaisconsistentwithpreviousresults，showingapower-lawspectrumwiththephotonindexofλ3= 2.2A€“2.4，modifiedbyinterstellarabsorptionofabout（3A€“4） '1021cma？' 2.Theinclusionofablackbodycomponent，whichisattributabletothecentralcompactsource，significantlyimprovesthespectralfit.Stringentupperlimitsforanylineemittingthinhotplasmaareestablished.WefindforthefirsttimethatthenebularspectrumisharderinthecentralpartoftheSNR，becomingsoftertowardtheperiphery，whiletheabsorptioncolumnisuniformacrossthenebula相应地，神经元尺寸增加，光能增加，其半径比蟹状星核更深。结果与同步电子能量损失模型相比，讨论的是假定的脉冲星的性质。

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《PASJ: Publications of the Astronomical Society of Japan》 |2000年第5期|共页
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Torii Kenichi; Slane Patrick O.; Kinugasa Kenzo; Hashimotodani Kiyoshi; Tsunemi Hiroshi;
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1. ROSAT and ASCA observations of the crab-like supernova remnant N157B in the large Magellanic cloud [J] . Q.Daniel Wang, Eric V.Gotthelf The Astrophysical journal . 1998,第2期

机译：麦哲伦星云中蟹状超新星遗迹N157B的ROSAT和ASCA观测
2. ROSAT and ASCA Observations of the Crab-like Supernova Remnant N157B in the Large Magellanic Cloud [J] . Q. Daniel Wang, Eric V. Gotthelf The Astrophysical journal . 1998,第2期

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3. Hubble Space Telescope Observations of Oxygen-rich Supernova Remnants in the Magellanic Clouds. III. WFPC2 Imaging of the Young, Crab-like Supernova Remnant SNR 0540–69.3* [J] . Jon A. Morse129, Nathan Smith34, William P. Blair5, The Astrophysical journal . 2008,第1期

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4. Is the supernova remnant 3C400.2 the result of a single supernova explosion? [C] . Eduardo de la Fuente, Pablo Velazquez, Margarita Rosado, Conference on Ionized Gaseous Nebulae . 2002

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5. A study of the Crab-like supernova remnant G21.5-0.9 with the Chandra X-ray Observatory [D] . Matheson, Heather Colleen 2006

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6. Chandra’s First Decade of Discovery Special Feature: X-ray studies of supernova remnants: A different view of supernova explosions [O] . Carles Badenes 2010

机译：钱德拉发现的第一个十年特别报道：超新星残留物的X射线研究：超新星爆炸的不同视角
7. ASCA observations of the Crab-like supernova remnant 3C 58 [O] . Patrick O. Slane, Kenzo Kinugasa, Kiyoshi Hashimotodani, 2000

机译：蟹状超新星残骸3C 58的ASCA观测

ASCA Observations of the Crab-Like Supernova Remnant 3C 58

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