3 papers
astro-ph.GA2025
A 3mm molecular line survey toward IRC+10216
Yi-Na Ao, Yong Zhang, Jian-Jie Qiu +2
IRC+10216 is the brightest infrared source in the northern sky, known for its rich chemical composition. It is often used as a standard reference for studying the circumstellar env…
astro-ph.GA2025
A molecule-rich torus-like structure in the 21 m source IRAS 23304+6147
Hao-Min Sun, Yong Zhang, Xu-Jia Ouyang +4
A long-standing enigma in observational astronomy is the identification of the so-called 21 m feature in a subset of envelopes of post-asymptotic giant branch (post-AGB) stars.…
astro-ph.SR2024
A 3 mm line survey towards the circumstellar envelope of the carbon-rich AGB star IRC+10216 (CW Leo)
Juan Tuo, Xiaohu Li, Jixian Sun +14
We present an unbiased 3 mm spectral line survey (between 84.5 and 115.8 GHz), conducted by the Purple Mountain Observatory 13.7 meter radio telescope, together with updated m…