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DISCOVERY OF A PRE-EXISTING MOLECULAR FILAMENT ASSOCIATED WITH SUPERNOVA REMNANT G127.1+0.5
Zhou, Xin1,2; Yang, Ji1,2; Fang, Min1,2; Su, Yang1,2
2014-08-20
Source PublicationASTROPHYSICAL JOURNAL
ISSN0004-637X
Volume791Issue:2Pages:0
AbstractWe performed millimeter observations in CO lines toward the supernova remnant (SNR) G127.1+0.5. We found a molecular filament at 4-13 km s(-1) consisting of two distinct parts: a straight part coming out of the remnant region and a curved part in the remnant region. The curved part is coincides well with the bright SNR shell detected in 1420 MHz radio continuum and mid-infrared observations in the northeastern region. In addition, redshifted line wing broadening is found only in the curved part of the molecular filament, which indicates a physical interaction. These provide strong evidences, for the first time, to confirm the association between an SNR and a pre-existing long molecular filament. Multi-band observations in the northeastern remnant shell could be explained by the interaction between the remnant shock and the dense molecular filament. RADEX radiative transfer modeling of the quiet and shocked components yield physical conditions consistent with the passage of a non-dissociative J-type shock. We argue that the curved part of the filament is fully engulfed by the remnant's forward shock. A spatial correlation between aggregated young stellar objects (YSOs) and the adjacent molecular filament close to the SNR is also found, which could be related to the progenitor's activity.
KeywordIsm: Individual Objects (g127.1+0.5) Ism: Molecules Ism: Supernova Remnants
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1088/0004-637X/791/2/109
WOS KeywordRADIO OBSERVATIONS ; INTERSTELLAR GAS ; GALACTIC PLANE ; STAR-FORMATION ; OUTER GALAXY ; MILKY-WAY ; OH MASERS ; IC 443 ; CLOUDS ; EMISSION
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Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000340028400036
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Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/10568
Collection分子云与恒星形成研究团组
Affiliation1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
2.Chinese Acad Sci, Key Lab Radio Astron, Nanjing 210008, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Zhou, Xin,Yang, Ji,Fang, Min,et al. DISCOVERY OF A PRE-EXISTING MOLECULAR FILAMENT ASSOCIATED WITH SUPERNOVA REMNANT G127.1+0.5[J]. ASTROPHYSICAL JOURNAL,2014,791(2):0.
APA Zhou, Xin,Yang, Ji,Fang, Min,&Su, Yang.(2014).DISCOVERY OF A PRE-EXISTING MOLECULAR FILAMENT ASSOCIATED WITH SUPERNOVA REMNANT G127.1+0.5.ASTROPHYSICAL JOURNAL,791(2),0.
MLA Zhou, Xin,et al."DISCOVERY OF A PRE-EXISTING MOLECULAR FILAMENT ASSOCIATED WITH SUPERNOVA REMNANT G127.1+0.5".ASTROPHYSICAL JOURNAL 791.2(2014):0.
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