The reporter learned from the Chinese Academy of Sciences that a new generation of the centimeter-division wave radio day imager supported by the Ministry of Finance and the National Observatory of the Chinese Academy of Sciences (CAS) has passed the acceptance inspection at the Mingantu Observatory in Zhengweibaiqi, Inner Mongolia on the 6th. Its completion fills the scientific gap in high-resolution radiographic observations in the initial release zone of the solar burst energy. The study of intense solar activity is the main direction of solar physics, and it is also one of the major research areas for the deployment of China's "Medium-term and long-term scientific and technological development plan outline" in the subject development and scientific frontier issues.
Since the 1960s, the Chinese solar physics community has proposed various plans for the construction of radio telephoto cameras, but due to various reasons, it has not been implemented. At the beginning of this century, Yan Yihua, a researcher at the National Astronomical Observatory of the Chinese Academy of Sciences and his team presented for the first time a development plan for radio spectrum imager in China. The Ministry of Finance formally established this major research equipment development project in December 2009. The new generation of special-purpose solar radio telescope has been built. It consists of 100 face antennas distributed on three arms with a radius of 10 km. It consists of two high- and low-frequency synthetic aperture arrays with high temporal, spatial and frequency resolution in the ultra-wideband. The ability to perform solar observations will fill scientific gaps in high-resolution radiographic observations at the initial release zone of the solar flare energy.
The acceptance expert group was headed by well-known solar physicist and academician Fang Cheng of Nanjing University. The team members included Academician Zhu Nenghong, Academician Lu Daren, Academician Wang Shui, Academician Wan Weixing and Professor Zhang Jie of George Mason University in the United States.
The acceptance expert group unanimously agreed that the newly-built “a new generation of centimeter-meter decimeter radio day imager†is a leading device in the international research field of solar radio physics and provides new advanced observation methods for research on solar activity such as flares and coronal mass ejections. It will greatly promote the development of solar physics and space weather science.
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