NAOC Open IR
The Kinematic Distances of SNR G16.7+0.1 and G15.9+0.2 by Analyzing H i Absorption Spectra
Tian,W. W.1,2,3; Zhu,H.1; Zhang,M. F.1,2; Chang,H. K.4,5; Shan,S. S.1,2; Leahy,D. A.3
2019-09-19
Source PublicationPublications of the Astronomical Society of the Pacific
ISSN0004-6280
Volume131Issue:1005
AbstractAbstract We build H i absorption spectra toward Supernova Remnant (SNRs) G16.7+0.1 and G15.9+0.2 using the THOR survey data. With the absorption spectra, we give a new distance range of 7–16 kpc for G15.9+0.2. We also resolve the near/far-side distance ambiguity of G16.7+0.1 and confirm its kinematic distance of about 14 kpc. In addition, we analyze the CO (J?=?3–2) spectra toward G16.7+0.1 and find obvious CO emission at the 20 km s?1 OH 1720 MHz maser site. This supports Reynoso & Mangum suggestions that the velocity difference between the maser and southern molecular cloud is caused by the shock acceleration. We discuss the impact of the distances on other physical parameters of the two SNRs.
KeywordISM: individual objects (SNR G16.7+0.1, G15.9+0.2) ISM: supernova remnants
DOI10.1088/1538-3873/ab35f4
Language英语
WOS IDIOP:0004-6280-131-1005-ab35f4
PublisherThe Astronomical Society of the Pacific
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Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/27863
Collection中国科学院国家天文台
Affiliation1.Key Laboratory of Optical Astronomy, National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, People’s Republic of China tww@bao.ac.cn, zhuhui@bao.ac.cn
2.University of Chinese Academy of Sciences, 19A Yuquan Road, Shijingshan District, Beijing 100049, People’s Republic of China
3.Department of Physics & Astronomy, University of Calgary, Calgary, Alberta T2N 1N4, Canada
4.Institute of Astronomy, National Tsing Hua University, Hsinchu 30013, Taiwan
5.Department of Physics, National Tsing Hua University, Hsinchu 30013, Taiwan
First Author AffilicationNational Astronomical Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Tian,W. W.,Zhu,H.,Zhang,M. F.,et al. The Kinematic Distances of SNR G16.7+0.1 and G15.9+0.2 by Analyzing H i Absorption Spectra[J]. Publications of the Astronomical Society of the Pacific,2019,131(1005).
APA Tian,W. W.,Zhu,H.,Zhang,M. F.,Chang,H. K.,Shan,S. S.,&Leahy,D. A..(2019).The Kinematic Distances of SNR G16.7+0.1 and G15.9+0.2 by Analyzing H i Absorption Spectra.Publications of the Astronomical Society of the Pacific,131(1005).
MLA Tian,W. W.,et al."The Kinematic Distances of SNR G16.7+0.1 and G15.9+0.2 by Analyzing H i Absorption Spectra".Publications of the Astronomical Society of the Pacific 131.1005(2019).
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