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적외선 우주배경복사 관측 실험 2(CIBER2) 국제 공동 연구
이대희,박원기,문봉곤,박성준,김민규,김건희,남욱원,표정현,정웅섭,박영식,김일중,한원용,Lee, D.H.,Park, W.K.,Moon, B.G.,Park, S.J.,Kim, M.G.,Kim, G.H.,Nam, U.W.,Pyo, J.,Jeong, W.S.,Park, Y.S.,Kim, I.J.,Han, W. 한국천문학회 2015 天文學論叢 Vol.30 No.1
First light galaxies have predictable linear clustering, and are expected to produce fluctuations with a characteristic spatial power spectrum, which peaks at an angular scale of ~ 10 arcminutes and in the $1-2{\mu}m$ spectral regions. The Cosmic Infrared Background ExpeRiment 2 (CIBER2) is a dedicated sounding rocket mission for measuring the fluctuations in the extragalactic infrared background light, following up the previous successful measurements of CIBER1. With a 28.5 cm telescope accompanied with three arms of camera barrels and a dual broadband filter on each H2RG (${\lambda}_c=2.5{\mu}m$) array, CIBER2 can measure 6 bands of wide field ($1.1{\times}2.2$ degrees) up to 3 AB magnitudes deeper than CIBER1. This project is leaded by California Institute of Technology/Jet Propulsion Laboratory, collaborating internationally with Institute of Space and Astronautical Science in Japan, Korea Astronomy and Space Science Institute, Korea Basic Science Institute, and Seoul National University. The Korean team is in charge of 1) one H2RG scientific array, 2) ground station hardware and software, 3) telescope lenses, and 4) flight and test bed electronics fabrication. In this paper, we describe the detailed activities of the Korean participation as well as the current status of the CIBER2 project.
Conceptual Design of PLS-II Control System for PLS
J.C. Yoon(윤종철),J.W. Lee(이진원),E.H. Lee(이은희),H.G Ha(하기만),J.M. Kim(김재명),S.J. Park(박성주),K.R. Kim(김경렬) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.7
PLS(Pohang Light Source) will begin the PLS-Ⅱ project that has been funded by the KOREA Government in order to further upgrade the PLS which has operated since 1992. The control system of the PLS-II has distributed control architecture, with two layers of hierarchy; operator interface computer (OIC) layer and machine interface computer (MIC) layer. The OIC layer is based on SUN workstation with UNIX. A number of PC-based consoles allow to remotely operating the machine from the control room. PC-based consoles use the Linux or Windows operation system. Similar consoles in the experimental hall are used to control experiments. The MIC layer is directly interfaced to individual machine devices for low-level data acquisition and control. MIC layer is based on VMEbus standard with vxWorks real-time operating system. Executable application software modules are downloaded from host computers at the system start-up time. The MIC's and host computers are linked through Ethernet network. It should enable the use of hardware and software already developed for specific light source requirements. The core of the EPICS (Experimental Physics and Industrial Control System)[1] has been chosen as the basis for the control system software.