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The discovery of ubiquitous habitable extrasolar planets, combined with revolutionary advances in instrumentation and observational capabilities, has ushered in a renaissance in the search for extra-terrestrial intelligence (SETI). Large…

The Five-hundred-meter Aperture Spherical radio Telescope(FAST) was launched on September 25,2016.From early 2017,we began to use the FAST wideband receiver,which was designed,constructed and installed on the FAST in Guizhou,China.The front…

Instrumentation and Methods for Astrophysics · Physics 2020-05-27 Xin-xin Zhang , Ran Duan , Xin-ying Yu , Di Li , Ning-yu Tang , Dao-chong Qing

The FAST All Sky HI survey (FASHI) was designed to cover the entire sky observable by the Five-hundred-meter Aperture Spherical radio Telescope (FAST), spanning approximately 22000 square degrees of declination between -14 deg and +66 deg,…

The Five-hundred-meter Aperture Spherical radio Telescope (FAST) is the most sensitive ground-based, single-dish radio telescope on Earth. However, the original HI spectra produced by FAST are affected by standing waves. To maximize the…

Instrumentation and Methods for Astrophysics · Physics 2022-08-03 De-Jian Liu , Ye Xu , Ying-Jie Li , Ze-Hao Lin , Shuai-Bo Bian , Chao-Jie Hao

The Five-hundred-meter Aperture Spherical radio Telescope (FAST) has been running for several years. A new Ultra-Wide Bandwidth (UWB) receiver, simultaneously covering 500-3300 MHz, has been mounted in the FAST feed cabin and passed a…

Instrumentation and Methods for Astrophysics · Physics 2023-06-27 Chuan-Peng Zhang , Peng Jiang , Ming Zhu , Jun Pan , Cheng Cheng , Hong-Fei Liu , Yan Zhu , Chun Sun , FAST Collaboration

The Five-hundred-meter Aperture Spherical Radio Telescope (FAST) Core Array is a proposed extension of FAST, integrating 24 secondary 40-m antennas implanted within 5 km of the FAST site. This original array design will combine the…

Instrumentation and Methods for Astrophysics · Physics 2024-08-26 Peng Jiang , Rurong Chen , Hengqian Gan , Jinghai Sun , Boqin Zhu , Hui Li , Weiwei Zhu , Jingwen Wu , Xuelei Chen , Haiyan Zhang , Tao An

Stray radiation is a considerable challenge for radio telescopes, requiring careful assessment due to its effects. This is crucial when the strong background flux from side lobes significantly affects the total flux, especially for extended…

Instrumentation and Methods for Astrophysics · Physics 2026-05-27 Qingze Chen , Jie Wang , Yingjie Jing , Ligang Hou , Chen Xu , Tiantian Liang , Xuyang Gao , Jinlin Han , Ziming Liu , Bin Liu , Chuanpeng Zhang , Hengqian Gan , Ming Zhu , Yan Zhu , Peng Jiang

Fast radio bursts remain one of the most enigmatic astrophysical sources. Observations have significantly progressed over the last few years, thanks to the capabilities of new radio telescopes and the refurbishment of existing ones. Here we…

As first data release of a pilot extragalactic HI survey with Five-hundred-meter Aperture Spherical radio Telescope (FAST),we extracted 544 extragalaxies from three-dimensional(3D) spectral data to perform interactive searching and…

Astrophysics of Galaxies · Physics 2025-04-08 Jiangang Kang , Ming Zhu , Mei Ai , Haiyang Yu , Chun Sun

The FAST All Sky H I survey (FASHI) will cover the entire observable sky ($\sim$22000 square degrees) with the Five-hundred-meter Aperture Spherical radio Telescope (FAST). With the currently released data, we perform an untargeted survey…

Astrophysics of Galaxies · Physics 2024-12-13 Chuan-Peng Zhang , Ming Zhu , Peng Jiang , Cheng Cheng , Jin-Long Xu , Nai-Ping Yu , Xiao-Lan Liu , Bo Zhang

The Five-hundred-meter Aperture Spherical radio Telescope (FAST) has discovered more than 650 new pulsars, which account for 20% of our known Galactic pulsar population. In this paper, we estimate the prospect of a pulsar survey with a…

High Energy Astrophysical Phenomena · Physics 2023-08-01 Mengyao Xue , Weiwei Zhu , Xiangping Wu , Renxin Xu , Hongguang Wang

The Five-hundred-meter Aperture Spherical Telescope (FAST) is the world's largest single-dish radio telescope, and the search for extraterrestrial intelligence (SETI) is one of its five key science objectives. We conducted a targeted…

Instrumentation and Methods for Astrophysics · Physics 2025-09-09 Guang-Yuan Song , Zhen-Zhao Tao , Bo-Lun Huang , Yan Cui , Bo Yu , Tong-Jie Zhang

The Five-hundred-meter Aperture Spherical radio Telescope (FAST) is the world's largest single-dish radio telescope. Its large reflecting surface achieves unprecedented sensitivity but is prone to damage, such as dents and holes, caused by…

Computer Vision and Pattern Recognition · Computer Science 2022-12-20 Jianan Li , Shenwang Jiang , Liqiang Song , Peiran Peng , Feng Mu , Hui Li , Peng Jiang , Tingfa Xu

The radiative mechanism of coherent radio emission has remained an enigma since the discovery of pulsars, even the emergence of fast radio bursts (FRBs), which exhibit similarities to the single-pulse behavior of pulsars and have opened a…

The Five-hundred-meter Aperture Spherical radio Telescope (FAST), the largest single dish radio telescope in the world, has implemented an innovative technology for its huge reflector, which changes the shape of the primary reflector from…

Instrumentation and Methods for Astrophysics · Physics 2021-01-06 Jian-Ling Li , Bo Peng , Cheng-Jin Jin , Hui Li , Richard G. Strom , Bin Liu , Xiao-Ming Chai , Li-Jia Liu

The Five-hundred-meter Aperture Spherical radio Telescope (FAST) has started the Commensal Radio Astronomy FasT Survey (CRAFTS). In this paper, we use the technical parameters of FAST derived from commissioning observations to simulate the…

The Survey for Transient Astronomical Radio Emission (STARE) is a wide-field monitor for transient radio emission at 611 MHz on timescales of fractions of a second to minutes. Consisting of multiple geographically separated total-power…

Astrophysics · Physics 2009-10-30 C. A. Katz , J. N. Hewitt , C. B. Moore , B. E. Corey

We describe the scientific goals and survey design of the First Large Absorption Survey in HI (FLASH), a wide field survey for 21-cm line absorption in neutral atomic hydrogen (HI) at intermediate cosmological redshifts. FLASH will be…

Discovery of pulsars is one of the main goals for large radio telescopes. The Five-hundred-meter Aperture Spherical radio Telescope (FAST), that incorporates an L-band 19-beam receiver with a system temperature of about 20~K, is the most…

(Abridged) The Large Synoptic Survey Telescope (LSST) is currently by far the most ambitious proposed ground-based optical survey. Solar System mapping is one of the four key scientific design drivers, with emphasis on efficient Near-Earth…