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Distance to the SNR CTB109/AXP 1E 2259+586 by H I absorption and self-absorption
Tian, W. W.1,2; Leahy, D. A.2; Li, D.3
2010-05-01
发表期刊MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
卷号404期号:1页码:L1-L5
摘要We suggest a revised distance to the supernova remnant G109.1-1.0 (CTB 109) and its associated anomalous X-ray pulsar (AXP) 1E 2259+586 by analysing 21-cm H I-line and (12)CO-line spectra of CTB 109, H II region Sh 152 and the adjacent molecular cloud complex. CTB 109 has been established to be interacting with a large molecular cloud (recession velocity at v = -55 km s(-1)). The highest radial velocities of absorption features towards CTB 109 (-56 km s(-1)) and Sh 152 (-65 km s(-1)) are larger than the recombination line velocity (-50 km s(-1)) of Sh 152 demonstrating the velocity reversal within the Perseus Arm. The molecular cloud has cold H I column density large enough to produce H I self-absorption (HISA) and H I narrow self-absorption (HINSA) if it was at the near side of the velocity reversal. Absence of both HISA and HINSA indicates that the cloud is at the far side of the velocity reversal within the Perseus Arm, so we obtain a distance for CTB 109 of 4 +/- 0.8 kpc. The new distance still leads to a normal explosion energy for CTB 109/AXP 1E 2259+586.
关键词Pulsars: Individual: Axp 1e 2259+586 h Ii Regions Supernova Remnants
DOI10.1111/j.1745-3933.2010.00822.x
收录类别SCI
语种英语
WOS记录号WOS:000276794600001
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被引频次:21[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/7753
专题光学天文研究部
作者单位1.CAS, Natl Astron Observ, Beijing 100012, Peoples R China
2.Univ Calgary, Dept Phys & Astron, Calgary, AB T2N 1N4, Canada
3.CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA
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Tian, W. W.,Leahy, D. A.,Li, D.. Distance to the SNR CTB109/AXP 1E 2259+586 by H I absorption and self-absorption[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2010,404(1):L1-L5.
APA Tian, W. W.,Leahy, D. A.,&Li, D..(2010).Distance to the SNR CTB109/AXP 1E 2259+586 by H I absorption and self-absorption.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,404(1),L1-L5.
MLA Tian, W. W.,et al."Distance to the SNR CTB109/AXP 1E 2259+586 by H I absorption and self-absorption".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 404.1(2010):L1-L5.
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