63 citations · 210 across the 9 of their papers we have counts for
9 papers
Anharmonic Infrared Emission of Cyano-Substituted Polycyclic Aromatic Hydrocarbon Molecules: Cyanonaphthalenes as a Case Study
Tao Chen, Kaijun Li, Aigen Li
Recent detections of cyano-substituted polycyclic aromatic hydrocarbons (cyano-PAHs) highlight them as key tracers of nitrogen heterocycles in the interstellar medium (ISM). Howeve…
FX UMa: A New Heartbeat Binary System with Linear and Non-linear Tidal Oscillations and delta Sct Pulsations
Kun Wang, Anbing Ren, Mads Fredslund Andersen +3
We present a detailed analysis of an eclipsing double-lined binary FX UMa based on TESS photometry and newly acquired spectroscopic observations. The radial velocities and atmosphe…
Saturated absorption spectroscopy of buffer-gas-cooled Barium monofluoride molecules
Wenhao Bu, Yuhe Zhang, Qian Liang +2
We report an experimental investigation on the Doppler-free saturated absorption spectroscopy of buffer-gas-cooled Barium monofluoride (BaF) molecules in a 4~K cryogenic cell. The…
Where have all the interstellar silicon carbides gone?
Tao Chen, C. Y. Xiao, Aigen Li +1
The detection of the 11.3-micron emission feature characteristic of the Si--C stretch in carbon-rich evolved stars reveals that silicon carbide (SiC) dust grains are condensed in t…
Fragmentation and isomerization of polycyclic aromatic hydrocarbons in the interstellar medium: coronene as a case study
Tao Chen, Yi Luo, Aigen Li
Aims. Due to the limitations of current computational technology, the fragmentation and isomerization products of vibrationally-excited polycyclic aromatic hydrocarbon (PAH) molecu…
The infrared bands of polycyclic aromatic hydrocarbons in the 1.6-1.7 μm wavelength region
Tao Chen, Yi Luo, Aigen Li
Context. The 3.3 m aromatic C-H stretching band of polycyclic aromatic hydrocarbon (PAH) molecules seen in a wide variety of astrophysical regions is often accompanied by a seri…
Fully anharmonic infrared cascade spectra of polycyclic aromatic hydrocarbons
Cameron J. Mackie, Tao Chen, Alessandra Candian +2
The infrared (IR) emission of polycyclic aromatic hydrocarbons (PAHs) permeates our universe; astronomers have detected the IR signatures of PAHs around many interstellar objects.…
Anharmonicity and the infrared emission spectrum of highly excited PAHs
Tao Chen, Cameron Mackie, Alessandra Candian +2
Aims. Infrared (IR) spectroscopy is a powerful tool to study molecules in space. A key issue in such analyses is understanding the effect that temperature and anharmonicity have on…
Failure of hydrogenation in protecting polycyclic aromatic hydrocarbons from fragmentation
Michael Gatchell, Mark H. Stockett, Nathalie de Ruette +13
A recent study of soft X-ray absorption in native and hydrogenated coronene cations, CH , led to the conclusion that additional hydrogen atoms protect (int…