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ASTROS - A TELESCOPE CONTROL SYSTEM FOR A SMALL RADIO TELESCOPE
HANDA T.,HASEGAWA T.,MORINO J. I.,OKA T.,SATO K.,SORAI K.,SETA M.,HAYASHI M.,SAKAMOTO S. The Korean Astronomical Society 1996 Journal of The Korean Astronomical Society Vol.29 No.suppl1
We developed a telescope control system called ASTROS for the VST1 and VST2, which are specially designed radio telescopes to make a survey and have a 60-cm main dish. ASTROS is designed on the distributed intelligence concept and structurized programming. The hardware of the system is composed of several intelligent devices connected with de facto standard interfaces and main control unit is PC. The program is coded in the C language and its structure is object oriented in order to make easy to replace the component devices. ASTROS is now running on two twin telescopes, VST1 and VST2. VST1 is installed at Nobeyama in Japan and VST2 is installed at La Silla in Chile. They are making a galactic plane survey in CO (J=2-1) with 9 arcmin beam semi-automatically.
Kim, N.K.,Kim, Y.P.,Morino, Y.,Kurokawa, J.i.,Ohara, T. Pergamon Press ; Elsevier [distribution] 2013 Atmospheric environment Vol.77 No.-
In this study, the emission inventories of NO<SUB>x</SUB>, which is a major air pollutant of South Korea were compared and analyzed. The two bottom-up emission inventories, Clean Air Policy Support System (CAPSS) and Regional Emission inventory in ASia (REAS), which are the latest emission inventories about the air pollutant emissions about South Korea were compared to find out the trend of NO<SUB>x</SUB> emission during 1996-2005. Also, these two emission inventories were compared with the top down NO<SUB>x</SUB> emissions estimated from satellite observations to validate the amount of NO<SUB>x</SUB> emitted from South Korea. The total NO<SUB>x</SUB> emission trends, sectoral and regional comparisons were carried out. The trend of the top down estimated NO<SUB>x</SUB> emission was similar to CAPSS and REAS. However, the magnitudes of the top down estimated NO<SUB>x</SUB> emission were usually closer to those of CAPSS than those of REAS. The NO<SUB>x</SUB> emissions from transportation sector of REAS were larger than that of CAPSS, and this corresponded to the difference of total amount of NO<SUB>x</SUB> emission between CAPSS and REAS. By comparing the differences of the ratios of the vehicle kilometers traveled (VKT) and emission factors (EFs), it was identified that most of the difference between CAPSS and REAS was due to these factors for diesel vehicles in REAS. Implications of this higher VKT values in REAS were discussed.