http://arxiv.org/abs/1712.04515
Distances are found for four supernova remnants SNRs without previous distance measurements. HI spectra and HI channel maps are used to determine the maximum velocity of HI absorption for four supernova remnants (SNRs). We examined $^{13}$CO emission spectra and channel maps to look for possible molecular gas associated with each SNR, but did not find any. The resulting distances for the SNRs are $3.5 \pm 0.2$ kpc (G$24.7+0.6$), $4.7 \pm 0.3$ kpc (G$29.6+0.1$) , $ 4.1 \pm 0.5$ kpc (G$41.5+0.4$) and $4.5\pm 0.4 – 9.0 \pm 0.4$ kpc (G$57.2+0.8$).
S. Ranasinghe, D. Leahy and W. Tian
Thu, 14 Dec 17
2/74
Comments: 9 pages, 12 figures