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보현산천문대 관측자료 Archive 시스템 설계 및 구축
성현일,김상철,남현웅,김봉규,임인성,윤요나,Sung, Hyun-Il,Kim, Sang-Chul,Nam, Hyun-Woong,Kim, Bong-Gyu,Yim, In-Sung 한국천문학회 2003 天文學論叢 Vol.18 No.1
Korean Astronomical Data Center (KADC, http://kadc.kao.re.kr) in Korea Astronomy Observatory (KAO) has constructed an archive of Bohyunsan Optical Astronomy Observatory (BOAO) 1.8m telescope data. The archive is consisted of photometric (1KCCD, 2KCCD) and spectroscopic data of 400GB amount for the period of 1997 to 2002,and the first web service is made of the data from 1997 to 2001. In the search page, primary search criterion of object name or coordinates is used. Users can also refine the search criteria using parameters such as observation date, observer(s), data type, and/or instrument. The data identified from the search can be uploaded to the FTP site for further downloading in FITS format. This archive is the first DB of astronomical data made in Korea.
김종수,김봉규,임인성,백창현,남현웅,류동수,강영운,KIM JONGSOO,KIM BONG GYU,YIM IN SUNG,BAEK CHANG HYUN,NAM HYUN WOONG,RYU DONGSU,KANG YOUNG WOON 한국천문학회 2004 天文學論叢 Vol.19 No.1
A high performance computing cluster for astronomical computations has been built at Korea Astronomy Observatory. The 64 node cluster interconnected with Gigabit Ethernet is composed of 128 Intel Xeon processors, 160 GB memory, 6 TB global storage space, and an LTO (Linear Tape-Open) tape library. The cluster was installed and has been managed with the Open Source Cluster Application Resource (OSCAR) framework. Its performance for parallel computations was measured with a three-dimensional hydrodynamic code and showed quite a good scalability as the number of computational cells increases. The cluster has already been utilized for several computational research projects, some of which resulted in a few publications, even though its full operation time is less than one year. As a major resource of the $K^*Grid$ testbed, the cluster has been used for Grid computations, too.