Daocheng Solar Radio Telescope (DSRT) is a
radio telescope
A radio telescope is a specialized antenna (radio), antenna and radio receiver used to detect radio waves from astronomical radio sources in the sky. Radio telescopes are the main observing instrument used in radio astronomy, which studies the r ...
in China, that started its operations in 2023 and is used for
solar astronomy
The Sun is the star at the centre of the Solar System. It is a massive, nearly perfect sphere of hot plasma, heated to incandescence by nuclear fusion reactions in its core, radiating the energy from its surface mainly as visible light an ...
. It consists of 313
parabolic antenna
A parabolic antenna is an antenna that uses a parabolic reflector, a curved surface with the cross-sectional shape of a parabola, to direct the radio waves. The most common form is shaped like a dish and is popularly called a dish antenna or p ...
s of 6-meter diameter each, that form an
interferometric array. Antennas are equally spaced and form a circle with a circumference of 3.14 km. At the center of the circle is 100-meters-high calibration antenna. The telescope operation frequencies are between from 150 MHz and 450 MHz for detection of
coronal mass ejection
A coronal mass ejection (CME) is a significant ejection of plasma mass from the Sun's corona into the heliosphere. CMEs are often associated with solar flares and other forms of solar activity, but a broadly accepted theoretical understandin ...
events. The telescope is located in the mountains on
Qinghai-Tibetan Plateau
The Tibetan Plateau, also known as the Qinghai–Tibet Plateau or Qingzang Plateau, is a vast elevated plateau located at the intersection of Central, South, and East Asia. Geographically, it is located to the north of Himalayas and the Indian s ...
in the
Sichuan province
Sichuan is a Provinces of China, province in Southwestern China, occupying the Sichuan Basin and Tibetan Plateau—between the Jinsha River to the west, the Daba Mountains to the north, and the Yunnan–Guizhou Plateau to the south. Its capita ...
, and is operated by the
Chinese Meridian Space Weather Monitoring Project II
Chinese may refer to:
* Something related to China
* Chinese people, people identified with China, through nationality, citizenship, and/or ethnicity
**Han Chinese, East Asian ethnic group native to China.
**''Zhonghua minzu'', the supra-ethnic ...
. As of 2023, it is the largest solar telescope in operation. Its construction began in 2021 and was finished in 2022. The operations began in June 2023.
References
Radio telescopes
Chinese telescopes
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