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Feb 14, 2025

Researchers Unveil the Star Formation and Chemical Evolution History of the NGC 628

conducted an in-depth study of the well-known spiral galaxy NGC 628 using data from the Five-hundred-meter Aperture Spherical Telescope (FAST) and optical spectroscopy. Their findings confirm the 'inside-out' growth model, which suggests...How do galaxies grow? How do their stars form? How do their chemical compositions evolve? A research team composed of researchers from the Xinjiang Astronomical Observatory of the Chinese Academy of Sciences (XAO), the National Astronomi...
Feb 05, 2025

Dual Role of Stellar Feedback in W4 HII Region

When massive stars form, their strong stellar winds and radiation significantly impact the structure, properties, and evolution of nearby molecular clouds. This influence can either trigger or suppress further star formation, especially ...
Jan 14, 2025

A New Probe for Tracing Infall Motion—NH3 (1,1) Hyperfine Intensity Anomalies

The researchers revealed the potential value of NH3 (1,1) hyperfine intensity anomalies (HIA) as a tracer for infall motion in star-forming regions, based on deep observations and analyses.Prof. WU Gang from the Xinjiang Astronomical Observatory of the Chinese Academy of Sciences, along with researchers from the Max Planck Institute for Radio Astronomy in Germany, revealed the potential value of NH3 (1,1) hyperfine intensi...
Dec 27, 2024

Study Reveals Characteristics of Atmospheric Surface-Layer OpticalTurbulence at Muztagh-ata site

site-testing team, conducted an in-depth study on the spatial and temporal distribution characteristics of optical turbulence in the atmospheric surface layer (ASL) at Muztagh-Ata site.Recently, GU Wenbo, a PhD candidate at the Optical Astronomy and Technology Application Research Division of the Xinjiang Astronomical Observatory, Chinese Academy of Sciences, with his supervisor Prof. Ali Esamdin and the site-testing t...
Dec 26, 2024

Researchers demodulate the amplitude modulation signal of the Delta Scuti Star

Resaerchers developed a method using the Hilbert transform to separate the amplitude modulation signals of pulsating variable stars. Using Delta Scuti Star (δ Scuti star) KIC 10407873 as a case study, the researchers provided detailed p...Recently, WANG Haozhi, a PhD student from the Xinjiang Astronomical Observatory (XAO), Chinese Academy of Sciences (CAS), under the guidance of Prof. Ali Esamdin, along with their collaborators developed a method using the Hilbert transf...
Dec 25, 2024

Researchers uncover modulation in pulsation behavior of δ scuti star

researchers conducted an extensive analysis of the pulsation behavior of the δ Scuti pulsator KIC 10855535, focusing on the modulation of its pulsation frequency and amplitude.Recently, Lixian Shen, a Master’s student from the Xinjiang Astronomical Observatory (XAO) of the Chinese Academy of Sciences (CAS), under supervision of Prof. Ali Esamdin, along with their collaborators, conducted an extensive analysis...

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