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Kinematic Distances of SNRs W44 and 3C 391

Published online by Cambridge University Press:  29 January 2014

Hongquan Su ,
Wenwu Tian ,
Hui Zhu  and
F. Y. Xiang
Hongquan Su
Affiliation:
National Astronomical Observatories, Chinese Academy of Sciences, 100012, Beijing, China. email: hq_su@bao.ac.cn
Wenwu Tian
Affiliation:
National Astronomical Observatories, Chinese Academy of Sciences, 100012, Beijing, China. email: hq_su@bao.ac.cn
Hui Zhu
Affiliation:
National Astronomical Observatories, Chinese Academy of Sciences, 100012, Beijing, China. email: hq_su@bao.ac.cn
F. Y. Xiang
Affiliation:
Dept. of Physics, Xiangtan University, 411105, Xiangtan, Hunan Province, China
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Abstract

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We extracted the neutral hydrogen absorption spectra of supernova remnants W44 (G34.7-0.4) and 3C 391 (G31.9+0.0) from the VLA Galactic Plane Survey data. The revised distance of W41 is about 3.3 kpc replacing the previous 3.0 kpc. Further, we confined the distance of G31.9+0.0 to about 7.2 kpc due to its interaction with its surrounding molecular clouds.

Keywords

methods: data analysistechniques: radial velocitiesISM: supernova remnants
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 9 , Symposium S296: Supernova Environmental Impacts , January 2013 , pp. 372 - 373
Copyright
Copyright © International Astronomical Union 2014 

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