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题名: Observation of solar high energy gamma and X-ray emission and solar energetic particles
作者: Struminsky, A ; Gan, W
刊名: 24TH EUROPEAN COSMIC RAY SYMPOSIUM (ECRS)
出版日期: 2015
卷号: 632, 页码:12081
学科分类: 天文和天体物理
文章类型: 期刊论文
英文摘要: Combining HI data from the Canadian Galactic Plane Survey and CO data from the Milky Way Imaging Scroll Painting project, we have identified a new segment of a spiral arm between Galactocentric radii of 15 and 19 kpc that apparently lies beyond the Outer Arm in the second Galactic quadrant. Over most of its length, the arm is 400-600 pc thick in z. The new arm appears to be the extension of the distant arm recently discovered by Dame & Thaddeus as well as the Scutum-Centaurus Arm into the outer second quadrant. Our current survey identified a total of 72 molecular clouds with masses on the order of 10(2)-10(4) M-circle dot that probably lie in the new arm. When all of the available data from the CO molecular clouds are fit, the best-fitting spiral model gives a pitch angle of 9 degrees.3 +/- 0 degrees.7.
收录类别: SCI
所属项目名称: PMO_LIB-IR
语种: 英语
WOS记录号: WOS:000362286200081
Citation statistics:
内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/14832
Appears in Collections:太阳高能及相关物理过程研究团组_期刊论文

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