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The Milky Way Imaging Scroll Painting (MWISP): Project Details and Initial Results from the Galactic Longitudes of 25 degrees.8-49 degrees.7
Su, Yang1,2; Yang, Ji1,2; Zhang, Shaobo1,2; Gong, Yan1,2,3; Wang, Hongchi1,2; Zhou, Xin1,2; Wang, Min1,2; Chen, Zhiwei1,2; Sun, Yan1,2; Chen, Xuepeng1,2; Xu, Ye1,2; Jiang, Zhibo1,2
2019
Source PublicationASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
ISSN0067-0049
Volume240Issue:1Pages:21
Corresponding AuthorSu, Yang(yangsu@pmo.ac.cn)
AbstractThe Milky Way Imaging Scroll Painting project is an unbiased Galactic plane CO survey for mapping regions of l = -10 degrees to +250 degrees and vertical bar b vertical bar less than or similar to 5 degrees.2 with the 13.7 m telescope of the Purple Mountain Observatory. The legacy survey aims to observe the (CO)-C-12, (CO)-C-13, and (CO)-O-18 (J = 1-0) lines simultaneously with full-sampling using the nine-beam Superconducting SpectroScopic Array Receiver system with an instantaneous bandwidth of 1 GHz. In this paper, the completed 250 deg(2) data from l = +25 degrees.8 to +49 degrees.7 are presented with a grid spacing of 30 '' and a typical rms noise level of similar to 0.5 K for (CO)-C-12 at the channel width of 0.16 km s(-1) and similar to 0.3 K for (CO)-C-13 and (CO)-O-18 at 0.17 km s(-1). The high-quality data, with moderate resolution (similar to 50 ''), uniform sensitivity, and high spatial dynamic range, allow us to investigate the details of molecular clouds (MCs) traced by the three CO isotope lines. Three interesting examples are briefly investigated, including distant Galactic spiral arms traced by CO emission with V-LSR < 0 km s(-1), the bubble-like dense gas structure near the H II region W40, and the MCs distribution perpendicular to the Galactic plane.
KeywordGalaxy: structure ISM: clouds ISM: molecules radio lines: ISM stars: formation surveys
DOI10.3847/1538-4365/aaf1c8
WOS KeywordMOLECULAR CLOUDS ; CO SURVEY ; GAS ; PLANE
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000455131500006
PublisherIOP PUBLISHING LTD
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/19253
Collection中国科学院紫金山天文台
Corresponding AuthorSu, Yang
Affiliation1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210034, Jiangsu, Peoples R China
2.Chinese Acad Sci, Key Lab Radio Astron, Nanjing 210034, Jiangsu, Peoples R China
3.Max Planck Inst Radioastron, Hugel 69, D-53121 Bonn, Germany
Recommended Citation
GB/T 7714
Su, Yang,Yang, Ji,Zhang, Shaobo,et al. The Milky Way Imaging Scroll Painting (MWISP): Project Details and Initial Results from the Galactic Longitudes of 25 degrees.8-49 degrees.7[J]. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES,2019,240(1):21.
APA Su, Yang.,Yang, Ji.,Zhang, Shaobo.,Gong, Yan.,Wang, Hongchi.,...&Jiang, Zhibo.(2019).The Milky Way Imaging Scroll Painting (MWISP): Project Details and Initial Results from the Galactic Longitudes of 25 degrees.8-49 degrees.7.ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES,240(1),21.
MLA Su, Yang,et al."The Milky Way Imaging Scroll Painting (MWISP): Project Details and Initial Results from the Galactic Longitudes of 25 degrees.8-49 degrees.7".ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES 240.1(2019):21.
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