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Dec 20, 2024

Coevolution of Giant Molecular Cloud, Filaments and Clumps in relation to dense gas mass fraction

They selected 27 relatively isolated giant molecular clouds based on the CO data from the SEDIGISM survey (Schuller et al. 2017) and the COHRS survey (Dempsey et al. 2013) of the Milky Way. They used the dense gas mass fraction (DGMF) of...A research team led by Prof. ZHOU Jianjun, Prof. Jarken Esimbek and PhD student ZHANG Wenjun from the Xinjiang Astronomical Observatory of the Chinese Academy of Sciences, together with their collaborators, selected 27 relatively isolate...
Nov 22, 2024

Exploring the universe with new "eyes": digital beamforming technology

Engineers from XAO successfully demonstrated one of the core functions of phased array feeds (PAF)—the digital beamforming technologyRecently, PhD student WU Peng and his collaborators from the Xinjiang Astronomical Observatory (XAO) of the Chinese Academy of Sciences successfully demonstrated one of the core functions of phased array feeds (PAF)—the digital beamform...
Nov 20, 2024

Researchers develop advanced digital backend system for ultra-wide bandwidth low-frequency pulsar observations

To meet the development needs of the ultra-wide bandwidth low-frequency pulsar receiving system for the Qitai Radio Telescope (QTT), Senior Engineer ZHANG Hailong from the Xinjiang Astronomical Observatory (XAO) of the Chinese Academy of...To meet the development needs of the ultra-wide bandwidth low-frequency pulsar receiving system for the Qitai Radio Telescope (QTT), Senior Engineer ZHANG Hailong from the Xinjiang Astronomical Observatory (XAO) of the Chinese Academy of...
Nov 13, 2024

Researchers investigate metal pollution in white dwarf star atmospheres

Researchers conducted a numerical study on the tidal disruption of a planet surrounding a white dwarf and relevant accretion processes. Their work has constrained the structural evolution characteristics of planets during certain disrupt...Approximately 25-50% of white dwarfs have been found to exhibit metal pollution. It is commonly believed that the tidal disruption of planets surrounding a white dwarf may lead to the contamination of its atmosphere with metals. The prox...
Oct 25, 2024

New Study Explores Molecular Distributions in Aquila Giant Molecular Cloud

The resaerchers presented observations of the Aquila giant molecular cloud using the NanShan 26 m Radio Telescope and the Delingha 13.7 m millimeter -wavelength telescope.Using observation data obtained from the NanShan 26m Radio Telescope at the Nanshan Station of the Xinjiang Astronomical Observatory (XAO) and the 13.7m telescope at the Purple Mountain Observatory in Delingha, researchers from XAO analy...
Oct 24, 2024

How Hub-Filament Systems Shape Massive Star Formation

Researchers conducted a study on the gas structure, kinematics, and star formation of the massive star-forming region W49A in the Milky Way.Recently, ZHANG Wenjun, a PhD student from the Star Formation and Evolution Group at the Xinjiang Astronomical Observatory (CAS), conducted a study on the gas structure, kinematics, and star formation of the massive star-forming region W...

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