L. L. Sun
Articles written in Journal of Astrophysics and Astronomy
Volume 35 Issue 3 September 2014 pp 541-543 Part VII: Other Topics
CO and its Isotopomers Observation towards Sgr B2
L. L. Sun J. S. Zhang D. R. Lu J. J. Qiu
We present our observations toward Sgr B2 region in 𝐽 = 1−0 lines of 12CO, 13CO, C18O and C17O using 13.7-m Delingha millimeter telescope with newly installed 9-beam SIS superconducting receiver. From the integrated line intensity, we derive the abundance ratio of C18O/C17O with a mean value of 3.11 ± 0.10, which is consistent with the previous results.
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