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MOLECULAR ENVIRONMENT OF THE SUPERNOVA REMNANT IC 443: DISCOVERY OF THE MOLECULAR SHELLS SURROUNDING THE REMNANT
Su, Yang1,2; Fang, Min1,2; Yang, Ji1,2; Zhou, Ping3; Chen, Yang3
2014-06-20
Source PublicationASTROPHYSICAL JOURNAL
ISSN0004-637X
Volume788Issue:2Pages:0
AbstractWe have carried out (CO)-C-12, (CO)-C-13, and (CO)-O-18 observations toward the mixed morphology supernova remnant (SNR) IC 443. The observations cover a 1.5(degrees) x 1.5 degrees area and allow us to investigate the overall molecular environment of the remnant. Some northern and northeastern partial shell structure of CO gas is around the remnant. One of the partial shells, about 5' extending beyond the northeastern border of the remnant's bright radio shell, seems to just confine the faint radio halo. On the other hand, some faint CO clumps can be discerned along the eastern boundary of the faint remnant's radio halo. Connecting the eastern CO clumps, the northeastern partial shell structures, and the northern CO partial shell, we can see that a half molecular ring structure appears to surround the remnant. The LSR velocity of the half-ring structure is in the range of -5 km s(-1) to -2 km s(-1), which is consistent with that of the -4 km s(-1) molecular clouds. We suggest that the half-ring structure of the CO emission at V-LSR similar to -4 km s(-1) is associated with the SNR. The structures are possibly swept up by the stellar winds of SNR IC 443's massive progenitor. Based on theWide- field Infrared Survey Explorer and the Two Micron All Sky Survey near-IR database, 62 young stellar object (YSO) candidates are selected within the radio halo of the remnant. These YSO candidates concentrated along the boundary of the remnant's bright radio shell are likely to be triggered by the stellar winds from the massive progenitor of SNR IC 443.
KeywordIsm: Individual Objects ( Ic 443 g189.1+3.0) Ism: Molecules Ism: Supernova Remnants
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1088/0004-637X/788/2/122
WOS KeywordINFRARED-SURVEY-EXPLORER ; XMM-NEWTON OBSERVATIONS ; YOUNG STELLAR OBJECTS ; 3C 391 ; IC-443 ; GAS ; TELESCOPE ; CLOUDS ; STARS ; EVOLUTION
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Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000337466200025
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/10571
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
3.Nanjing Univ, Dept Astron, Nanjing 210093, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Su, Yang,Fang, Min,Yang, Ji,et al. MOLECULAR ENVIRONMENT OF THE SUPERNOVA REMNANT IC 443: DISCOVERY OF THE MOLECULAR SHELLS SURROUNDING THE REMNANT[J]. ASTROPHYSICAL JOURNAL,2014,788(2):0.
APA Su, Yang,Fang, Min,Yang, Ji,Zhou, Ping,&Chen, Yang.(2014).MOLECULAR ENVIRONMENT OF THE SUPERNOVA REMNANT IC 443: DISCOVERY OF THE MOLECULAR SHELLS SURROUNDING THE REMNANT.ASTROPHYSICAL JOURNAL,788(2),0.
MLA Su, Yang,et al."MOLECULAR ENVIRONMENT OF THE SUPERNOVA REMNANT IC 443: DISCOVERY OF THE MOLECULAR SHELLS SURROUNDING THE REMNANT".ASTROPHYSICAL JOURNAL 788.2(2014):0.
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