Zobrazeno 1 - 10
of 167
pro vyhledávání: '"U.-W. Nam"'
Publikováno v:
Science (New York, N.Y.) [Science] 2015 Jul 10; Vol. 349 (6244), pp. aac9468.
Autor:
Kohji Tsumura
Publikováno v:
Science. 349
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::22f5627b243e794064dbffeb1473cab4
https://doi.org/10.1126/science.aac9468
https://doi.org/10.1126/science.aac9468
Akademický článek
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Autor:
D. H. Lee, M. G. Kim, K. Tsumura, M. Zemcov, U. W. Nam, J. Bock, J. Battle, V. Hristov, T. Renbarger, T. Matsumoto, I. Sullivan, L. R. Levenson, P. Mason, S. Matsuura, G. H. Kim
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 27, Iss 4, Pp 401-406 (2010)
We have measured and analyzed the dark data of two PICNIC IR arrays (P574 and P560) obtained through the Cosmic Infrared Background ExpeRiment (CIBER). First, we identified three types of bad pixels: the cold, the hot, and the transient, which are
Externí odkaz:
https://doaj.org/article/bffa8d284c384f43a5cd4db2cdc9e4bf
Autor:
K.-I. Seon, I.-S. Yuk, K.-S. Ryu, D.-H. Lee, J.-H. Park, H. Jin, J.-H. Shinn, U.-W. Nam, W. Han, K. Min, E. Korpela, K. Nishikida, J. Edelstein
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 21, Iss 4, Pp 399-416 (2004)
The FIMS (Far-ultraviolet IMaging Spectrograph), the main payload onboard the first Korean science satellite STSAT-1, has performed various observations since its launch on September 2003. It has been found that the attitude informations provided by
Externí odkaz:
https://doaj.org/article/eefe580e228c46cb82ae773a20a2696e
Autor:
I. -J. Kim, K. -I. Seon, I.-S. Yuk, U.-W. Nam, H. Jin, J.-H. Park, K.-S. Ryu, D.-H. Lee, W. Han, K.-W. Min, J. Edelstein, E. Korpela
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 21, Iss 4, Pp 383-390 (2004)
We describe the in-flight sensitivity calibration of the Far ultraviolet Imaging Spectrograph (FIMS, also known as SPEAR) onboard the first Korean science satellite, STSAT-1, which was launched in September 2003. The sensitivity calibration is based
Externí odkaz:
https://doaj.org/article/45fc052e59d04a8cb54bea58298f3a0c
Autor:
K.-I. Seon, I.-S. Yuk, U.-W. Nam, H. Jin, J.-H. Park, J.-G. Rhee, K.-S. Ryu, D.-H. Lee, H.-S. Oh, K.-K. Kong, W. Han, K.-W. Min, J. Edelstein, E. Korpela
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 19, Iss 4, Pp 283-292 (2002)
Electronic boards of Far-ultraviolet IMaging Spectrograph (FIMS) should be designed to maintain their performances, and their temperatures should be remained within the allowed temperatures in operational environments. Thermal analysis at the electro
Externí odkaz:
https://doaj.org/article/ae34eed9223341f29b8c3735f0faae53
Autor:
U. W. Nam, J. G. Rhee, K. N. Kong, Y. S. Park, K. C. Jin, H. Jin, J. -H. Park, I. S. Yuk, K. I. Seon, W. Han, D. H. Lee, K. S. Ryu, K. W. Min, J. Edelstein, E. Korpela
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 19, Iss 4, Pp 273-282 (2002)
We describe some performance of the detector electronics system for the FIMS (Far-ultraviolet Imaging Spectrograph) mission. The FIMS mission to map the far ultraviolet sky uses MCP (micro-channel plate) detectors with a crossed delay line anode to r
Externí odkaz:
https://doaj.org/article/f1a8c5ccf14f4433a03100b2c1c2ae2d
Autor:
J. G. Rhee, U. W. Nam, K. N. Kong, D. H. Lee, J. H. Shin, I. S. Yuk, H. Jin, K. S. Ryu, K. I. Seon, K. I. Kang, J. H. Park, K. W. Min, W. Y. Han, W. B. Lee, E. korpela, J. Edelstein
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 19, Iss 1, Pp 57-66 (2002)
We designed two-dimensional position sensitive MCP(microchannel plate) detector for FIMS, which is composed of MCP, delay line anode, and delay line readout electronics. And also, we fabricated and tested for the operation stability and resolution of
Externí odkaz:
https://doaj.org/article/f5e2666aac92438581ada9d02e49aeff
Autor:
K.-S. Ryu, I.-S. Yuk, K.-I. Seon, Y.-W. Lee, U.-W. Nam, J.-H. Shin, S.-J. Hong, D.-H. Lee, H. Jin, S.-H. Oh, J.-G. Rhee, K.-W, Min, W. Han, J.-H. Park, J. Edelstein, E. J. Korpela
Publikováno v:
Journal of Astronomy and Space Sciences, Vol 18, Iss 3, Pp 239-248 (2001)
Far-ultraviolet IMaging Spectrograph (FIMS) is the main payload of the first Korean scientific satellite, KAISTSAT-4, which will be launched in 2002. Among the optical parts, parabolic cylinder mirror does not have any heritage from previous astronom
Externí odkaz:
https://doaj.org/article/3b5092491bd44b72863674bf8e6d897f