supported by the National Key Basic Research Program of China(No.2015CB857100);the National Natural Science Foundation of China(Grant Nos.11403052,11363004 and 11403042)
We performed a multiwavelength study towards the infrared dark cloud (IRDC) G31.23+0.05 with new CO observations from Purple Mountain Observatory and archival data (the GLIMPSE, MIPSGAL, HERSCHEL, ATLASGAL, BGPS a...