Results 11 to 20 of about 133,948 (219)

The Qitai radio telescope

Science China Physics, Mechanics & Astronomy, 2023
12 pages, 11 figures, accepted for publication in Science China Physics, Mechanics & ...
Wang, Na, Xu, Qian, Ma, Jun, Liu, Zhiyong, Liu, Qi, Zhang, Hailong, Pei, Xin, Chen, Maozheng, Manchester, Richard N., Lee, Kejia, Zheng, Xingwu, Kärcher, Hans J., Zhao, Wulin, Li, Hongwei, Li, Dongwei, Süss, Martin, Reichert, Matthias, Zhu, Zhongyi, Wang, Congsi, Li, Mingshuai, Li, Rui, Li, Ning, Kazezkhan, Guljaina, Yan, Wenming, Wu, Gang, Cui, Lang, Zhang, Ming, Li, Haitao   +27 more
openaire   +4 more sources

Can the China's fast telescope detect extraterrestrial von-Neumann probes? [PDF]

Serbian Astronomical Journal, 2021
In the present paper we consider the Type-2.x and Type-3.x extraterrestrial von- Neumann probes and study the problem of their detectability by the world's largest single-dish radio telescope: the Five-hundred-meter Aperture Spherical Radio ...
Osmanov Z.N.
doaj   +1 more source

Simulation of Small Radio Telescope Antenna Parameters at Frequency of 1.42 GHz

Iraqi Journal of Physics, 2022
The paper presents an overview of theoretical aspects of small radio telescope antenna parameters. The basic parameters include antenna beamwidth, antenna gain, aperture efficiency, and antenna temperature.
Uday E Jallod, Hareth S. Mahdi, Kamal M. Abood   +2 more
doaj   +1 more source

New Cable Delay Measurement System for VGOS Stations

Sensors, 2022
This paper presents the new cable delay measurement system (CDMS) designed at Yebes Observatory (IGN, Spain), which is required for the VLBI Global Observing System (VGOS) stations.
Pablo García-Carreño, Javier González-García, María Patino-Esteban, Francisco J. Beltrán-Martínez, Marta Bautista-Durán, Pablo Luis López-Espí, José A. López-Pérez   +6 more
doaj   +1 more source

A search for fast radio bursts associated with gamma-ray bursts using the YNAO 40-m radio telescope [PDF]

Serbian Astronomical Journal, 2023
We report on the search results of Fast Radio Bursts (FRBs) from three Gamma- ray Bursts (GRBs) at 2256 MHz using the 40-m radio telescope located at the YunNan Astronomical Observatory (YNAO).
Zhang Y.F., Wen Z.G., Wang N., Hao L.F., Yuan J.P., Yuen R., Duan X.F., Wang Z.   +7 more
doaj   +1 more source

Observation of radio emissions from electron beams using an ice target [PDF]

EPJ Web of Conferences, 2019
To observe high energy cosmogenic neutrinos above 50 PeV, the large neutrino telescope ARA is being built at the South Pole. The ARA telescope detects neutrinos by observing radio signals by the Askaryan effect.
Mase Keiichi, Ikeda Daisuke, Ishihara Aya, Sagawa Hiroyuki, Shibata Tatsunobu, Fukushima Masaki, Yamamoto Tokonatsu, Yoshida Shigeru, Gaïor Romain, Hanson Kael, Matthews John N., Meures Thomas, Shin Bokkyun, Thomson Gordon, de Vries Krijn   +14 more
doaj   +1 more source

FAST: Its Scientific Achievements and Prospects

The Innovation, 2020
FAST is the largest single-dish radio telescope in the world. The characteristics of FAST are presented and analyzed in the context of the parameter space to show how FAST science achievements are affected.
Lei Qian, Rui Yao, Jinghai Sun, Jinlong Xu, Zhichen Pan, Peng Jiang   +5 more
doaj   +1 more source

Radio Detection of the Fermi LAT Blind Search Millisecond Pulsar J1311-3430 [PDF]

, 2012
We report the detection of radio emission from PSR J1311-3430, the first millisecond pulsar discovered in a blind search of Fermi Large Area Telescope (LAT) gamma-ray data. We detected radio pulsations at 2 GHz, visible for
Bhattacharyya, B., Camilo, F., Cheung, C. C., Cognard, I., Ferrara, E. C., Giroletti, M., Guillemot, L., Johnston, S., Keith, M., Kerr, M., Kramer, M., Parkinson, P. M. Saz, Pletsch, H. J., Ransom, S. M., Ray, P. S., Romani, R. W., Roy, J., Wood, K. S.   +17 more
core   +4 more sources

A jet-cloud interaction in 3C34 at redshift z = 0.69 [PDF]

, 1997
We report the detection of a strong jet-cloud interaction at a distance of 120 kpc from the nucleus of the radio galaxy 3C34, which has redshift z=0.69.
Best, P. N., Longair, M. S., Röttgering, H. J. A.   +2 more
core   +2 more sources

The Most Sensitive SETI Observations Toward Barnard's Star with FAST

The Astronomical Journal, 2023
Search for extraterrestrial intelligence (SETI) has been mainly focused on nearby stars and their planets in recent years. Barnard’s star is the second closest star system to the Sun and the closest star in the Five-hundred-meter Aperture Spherical radio
Zhen-Zhao Tao, Bo-Lun Huang, Xiao-Hang Luan, Jian-Kang Li, Hai-Chen Zhao, Hong-Feng Wang, Tong-Jie Zhang   +6 more
doaj   +1 more source