3 papers
astro-ph.GA2026
A gas-phase "top-down" chemical link between aldehydes and alcohols
Christopher N. Shingledecker, Germán Molpeceres, A. Mackenzie Flowers +3
Alcohols and aldehydes represent two key classes of interstellar complex organic molecules (COMs). This work seeks to better understand their possible chemical connections, with a…
astro-ph.SR2025
Infrared SED Modeling of Velocity-Excess Maser Sources: Identifying Incipient Water-Fountain Candidates
Jia-Yong Xie, Jun-ichi Nakashima, Yong Zhang
We investigated whether "velocity excess" in circumstellar maser lines can diagnose the earliest evolutionary phases of Water Fountains (WFs). Here we define "velocity excess" as m…
astro-ph.SR2023
Near-Infrared Ca II Triplet As An Stellar Activity Indicator: Library and Comparative Study
Xin Huang, Yu-JI He, ZhongRui Bai +11
We have established and released a new stellar index library of the Ca II Triplet, which serves as an indicator for characterizing the chromospheric activity of stars. The library…