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REVERSE-SHOCK IN TYCHO'S SUPERNOVA REMNANT
Lu FJ(卢方军); Ge MY(葛明玉); Zheng SJ(郑世界); Zhang SN(张双南); Long X(龙曦); Lu, FJ; Ge, MY; Zheng, SJ; Zhang, SN; Long, X; Aschenbach, B
2015
Source PublicationASTROPHYSICAL JOURNAL
Volume805Issue:2Pages:142
Corresponding Author卢方军
SubtypeArticle
AbstractThermal X-ray emission from young supernova remnants (SNRs) is usually dominated by the emission lines of the supernova ejecta, which are widely believed to be crossed and thus heated by the inward-propagating reverse shock (RS). Previous works using X-ray imaging data have shown that the ejecta are heated by the RS by locating the peak emission region of the most recently ionized matter, which is found to be well separated toward the inside from the outermost boundary. Here we report the discovery of a systematic increase of the Sulfur (S) to Silicon (Si) Ka line flux ratio with radius in Tycho's SNR. This allows us, for the first time, to present continuous radial profiles of the ionization age and, furthermore, the elapsed ionization time since the onset of the ionization, which gives the history of the propagation of the ionization front into the SNR ejecta.
KeywordISM: supernova remnants supernovae: general supernovae: individual (Tycho's SN)
Subject AreaAstronomy & Astrophysics
DOI10.1088/0004-637X/805/2/142
Indexed BySCI ; INSPIREHEP ; ADS ; CA
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000356715400057
ADS Bibcode2015ApJ...805..142L
ADS URLhttps://ui.adsabs.harvard.edu/abs/2015ApJ...805..142L
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2015ApJ...805..142L/citations
inspireid1357572
inspireURLhttps://inspirehep.net/literature/1357572
Citation statistics
Cited Times:3 [INSPIRE]
Cited Times:3 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/228404
Collection粒子天体物理中心
Recommended Citation
GB/T 7714
Lu FJ,Ge MY,Zheng SJ,et al. REVERSE-SHOCK IN TYCHO'S SUPERNOVA REMNANT[J]. ASTROPHYSICAL JOURNAL,2015,805(2):142.
APA 卢方军.,葛明玉.,郑世界.,张双南.,龙曦.,...&Aschenbach, B.(2015).REVERSE-SHOCK IN TYCHO'S SUPERNOVA REMNANT.ASTROPHYSICAL JOURNAL,805(2),142.
MLA 卢方军,et al."REVERSE-SHOCK IN TYCHO'S SUPERNOVA REMNANT".ASTROPHYSICAL JOURNAL 805.2(2015):142.
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