PMO OpenIR  > 分子云与恒星形成研究团组
INTERACTION BETWEEN SUPERNOVA REMNANT G22.7-0.2 AND THE AMBIENT MOLECULAR CLOUDS
Su, Yang1,2; Yang, Ji1,2; Zhou, Xin1,2; Zhou, Ping3; Chen, Yang3
2014-12-01
Source PublicationASTROPHYSICAL JOURNAL
ISSN0004-637X
Volume796Issue:2Pages:122
AbstractWe have carried out (CO)-C-12 (J = 1-0 and 2-1), (CO)-C-13 (J = 1-0), and (CO)-O-18 (J = 1-0) observations in the direction of the supernova remnant (SNR) G22.7-0.2. A filamentary molecular gas structure, which is likely part of a larger molecular complex with VLSR similar to 75-79 km s(-1), is detected and is found to surround the southern boundary of the remnant. In particular, the high-velocity wing (77-110 km s(-1)) in the (CO)-C-12 (J = 1-0 and J = 2-1) emission shows convincing evidence of the interaction between SNR G22.7-0.2 and the 75-79 km s(-1) molecular clouds (MCs). Spectra with redshifted profiles, a signature of shocked molecular gas, are seen in the southeastern boundary of the remnant. The association between the remnant and the 77 km s(-1) MCs places the remnant at the near distance of 4.4 +/- 0.4 kpc, which agrees with a location on the Scutum-Crux arm. We suggest that SNR G22.7-0.2, SNR W41, and Hii region G022.760-0.485 are at the same distance and are associated with GMC G23.0-0.4.
KeywordIsm: Individual Objects (G22.7-0.2) Ism: Molecules Ism: Supernova Remnants
Subject Area天文和天体物理
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1088/0004-637X/796/2/122
WOS KeywordMASSIVE STAR-FORMATION ; H-II REGIONS ; IC 443 ; TRIGONOMETRIC PARALLAXES ; IMAGING SURVEY ; INNER GALAXY ; HII-REGIONS ; MILKY-WAY ; TELESCOPE ; DISCOVERY
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000344878900051
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/11561
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,Yang, Ji,Zhou, Xin,et al. INTERACTION BETWEEN SUPERNOVA REMNANT G22.7-0.2 AND THE AMBIENT MOLECULAR CLOUDS[J]. ASTROPHYSICAL JOURNAL,2014,796(2):122.
APA Su, Yang,Yang, Ji,Zhou, Xin,Zhou, Ping,&Chen, Yang.(2014).INTERACTION BETWEEN SUPERNOVA REMNANT G22.7-0.2 AND THE AMBIENT MOLECULAR CLOUDS.ASTROPHYSICAL JOURNAL,796(2),122.
MLA Su, Yang,et al."INTERACTION BETWEEN SUPERNOVA REMNANT G22.7-0.2 AND THE AMBIENT MOLECULAR CLOUDS".ASTROPHYSICAL JOURNAL 796.2(2014):122.
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