3 papers
astro-ph.GA2023
Tentative detection of cyanoformamide NCCONH2 in space
Juan Li, Donghui Quan, Junzhi Wang +12
The peptide-like molecules, cyanoformamide (NCCONH2), is the cyano (CN) derivative of formamide (NH2CHO). It is known to play a role in the synthesis of nucleic acid precursors und…
astro-ph.GA2023
Sulphur isotopes toward Sagittarius B2 extended envelope in the Galactic Center
Qingxu Li, Juan Li, Siqi Zheng +3
The isotopic ratios are good tools for probing the stellar nucleosynthesis and chemical evolution. We performed high-sensitivity mapping observations of the J=7-6 rotational transi…
astro-ph.GA2023
Mapping Observations of Peptide-like molecules around Sagittarius B2
Siqi Zheng, Juan Li, Junzhi Wang +7
Peptide-like molecule, which has a close connection with the origin of life, has been detected in universe. Mapping observations of HCONH and CHCONH, two simplest pepti…