Iitate planetary radio telescope, Jupiter, synchrotron radiation, radio receiver, noise temperature, amplification calibration, temperature control, antenna temperature
Tohoku University Graduate School of Science
Tohoku University Graduate School of Science
Tohoku University Graduate School of Science
Tohoku University Graduate School of Science
Tohoku University Graduate School of Science
Tohoku University Graduate School of Science
Communications Research Laboratory
出版者
宇宙航空研究開発機構宇宙科学研究本部
出版者（英）
Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA/ISAS)
雑誌名
第36回月・惑星シンポジウム
雑誌名(英)
Proceedings of the 36th ISAS Lunar and Planetary Symposium
ページ
222 - 225
発行年
2003-11
抄録（英）
The Iitate Planetary Radio Telescope (IPRT) has been developed at the Iitate observatory in Fukushima prefecture, Japan. A primary purpose of the IPRT is observations of Jovian synchrotron radiation (JSR). Developments of the feed and receiver system of IPRT have almost completed in the spring of 2003. In the feed system, beam forming technique was developed to match a beam pattern of the feed system with a rectangular shaped primary reflector then achieved high aperture efficiency of 65 percent. The receiver system, whose noise temperature is as low as 80 K, has a function of gain calibration, which enables absolute measurement of weak radio sources and their time variations with accuracy. After the set up of the feed system and receivers designed for the frequency of 325 MHz, a first light of JSR was recorded and it was confirmed that the IPRT had good performance to observe the time variation of JSR.
First light of Jovian synchrotron radiation with the Iitate planetary radio telescope
