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- 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
  
  More Details Abstract Fulltext PDF
  
  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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October 2019

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- Continuous Article Publication
  
  Posted on January 27, 2016
  
  Since January 2016, the Journal of Astrophysics and Astronomy has moved to Continuous Article Publishing (CAP) mode. This means that each accepted article is being published immediately online with DOI and article citation ID with starting page number 1. Articles are also visible in Web of Science immediately. All these have helped shorten the publication time and have improved the visibility of the articles.
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