News! China's FAST Telescope Detects Coherent Interstellar Magnetic Field.

12/01/2022
Credit: Xinhua/Ou Dongqu - Aerial panoramic photo taken on Dec. 19, 2021 shows China's Five-hundred-meter Aperture Spherical Radio Telescope (FAST) under maintenance in southwest China's Guizhou Province.
Credit: Xinhua/Ou Dongqu - Aerial panoramic photo taken on Dec. 19, 2021 shows China's Five-hundred-meter Aperture Spherical Radio Telescope (FAST) under maintenance in southwest China's Guizhou Province.

News! China's FAST telescope detects coherent interstellar magnetic field. This month, the Chinese Academy of Sciences reported that one of China's largest telescopes, called the FAST Telescope, detected an interstellar magnetic field, which had been maintained for a longer period of time. According to the Academy, the FAST telescope, as it is also called the "China Sky Eye", obtained precise data, such as power, from a magnetic field in the molecular cloud, scientists say. 

This region, from which the telescope received signals, is a region well known to scientists as the birthplace of stars. The telescope gave such accurate data that scientists have deduced a lot about that region. They used a technique called HI Narrow Self Absorption (HINSA) to detect the Zeeman effect. 

What is the Zeeman effect?

The Zaleem effect is the division of a spectral line into several components of the frequency in the presence of a magnetic field. It is a concept that was only detected by scientists after the data arrived from the telescope.

The results supported by researchers after detailed analysis show that such clouds as the telescope surprise reach the supercritical state, being that critical point where it collapses into stars (this process takes time). And for this cloud, everything happened faster than previously thought. 

Article by: Andacs Robert Eugen, on 12 January 2022, at 08:11 am Los Angeles time

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