2026-10-12T04:30:19Z https://www.scidb.cn/oai

10.57760/sciencedb.38664 2026-06-08T10:14:27Z

2026-06-08 Observational data of cyanopolyynes in the circumstellar environment of IRAS 22272+5435 doi:10.57760/sciencedb.38664 en Using the Shanghai Tianma 65m Radio Telescope (TMRT) and the Purple Mountain Observatory 13.7m Millimeter Wave Telescope, spectral line observations of cyanopolyynes molecules (HC2n+1N) were conducted on the source, with a focus on searching for emission characteristics of nitrogen-containing molecules with carbon chains of equal length such as HC3N, HC5N, HC7N, and HC9N.  astrochemistry; post-asymptotic giant branch; cyanopolyynes sun yu xuan RESTRICTED dataset http://www.doi.org/10.1093/mnras/staf1734 Science Data Bank