Observational Overview of the May 2024 G5-Level Geomagnetic Storm: From Solar Eruptions to Terrestrial Consequences

Authors: Young-Sil Kwak, Jeong-Heon Kim, Sujin Kim, Yukinaga Miyashita, Taeyong Yang, Sung-Hong Park, Eun-Kyung Lim, Jongil Jung, Hosik Kam, Jaewook Lee, Hwanhee Lee, Ji-Hyun Yoo, Haein Lee, Ryun-Young Kwon, Jungjoon Seough, Uk-Won Nam, Woo Kyoung Lee, Junseok Hong, Jongdae Sohn, Jaeyoung Kwak, Hannah Kwak, Rok-Soon Kim, Yeon-Han Kim, Kyung-Suk Cho, Jaeheung Park, Jaejin Lee, Hoang Ngoc Huy Nguyen, Madeeha Talha

Source: Journal of Astronomy and Space Sciences, Vol 41, Iss 3, Pp 171-194 (2024)

Subject Terms: solar flares, coronal mass ejections (cmes), solar wind, geomagnetic storm, magnetosphere responses, Astronomy, QB1-991

File Description: electronic resource

Relation: https://www.janss.kr/archive/view_article?pid=jass-41-3-171; https://doaj.org/toc/2093-5587; https://doaj.org/toc/2093-1409

Access URL: https://doaj.org/article/3348d31c3d7d4488b9edf511150a5f37

Measuring and unfolding fast neutron spectra using solution-grown trans-stilbene scintillation detector

Authors: Nguyen Duy Quang, HongJoo Kim, Phan Quoc Vuong, Nguyen Duc Ton, Uk-Won Nam, Won-Kee Park, JongDae Sohn, Young-Jun Choi, SungHwan Kim, SukWon Youn, Sung-Joon Ye

Source: Nuclear Engineering and Technology, Vol 55, Iss 3, Pp 1021-1030 (2023)

Subject Terms: Fast neutron detection, Stilbene scintillator, Energy calibration, Pulse shape discrimination, Monte-Carlo simulation, Iterative Bayesian spectrum unfolding, Nuclear engineering. Atomic power, TK9001-9401

File Description: electronic resource

Relation: http://www.sciencedirect.com/science/article/pii/S1738573322005228; https://doaj.org/toc/1738-5733

Access URL: https://doaj.org/article/45bdd8240ec7427dbd3d91a88406e3c6

Validation of KREAM Based on In-Situ Measurements of Aviation Radiation in Commercial Flights

Authors: Junga Hwang, Jaeyoung Kwak, Gyeongbok Jo, Uk-won Nam

Source: Journal of Astronomy and Space Sciences, Vol 37, Iss 4, Pp 229-236 (2020)

Subject Terms: space radiation, kream, Astronomy, QB1-991

File Description: electronic resource

Relation: http://janss.kr/journal/article.php?code=76819&list.php?m=1; https://doaj.org/toc/2093-5587; https://doaj.org/toc/2093-1409

Access URL: https://doaj.org/article/8aa22b96fb3c49d6af6e5c83b54fd05c

Preliminary Results of Tissue-Equivalent Proportional Counter (TEPC) Dosimeter for Measuring In-Situ Aviation Radiation

Authors: Uk-won Nam, Won-kee Park, Junga Hwang, Jongdae Sohn, Bongkon Moon, Sunghwan Kim

Source: Journal of Astronomy and Space Sciences, Vol 37, Iss 4, Pp 249-255 (2020)

Subject Terms: space radiation, tissue-equivalent proportional counter (tepc) dosimeter, Astronomy, QB1-991

File Description: electronic resource

Relation: http://janss.kr/journal/article.php?code=76821&list.php?m=1; https://doaj.org/toc/2093-5587; https://doaj.org/toc/2093-1409

Access URL: https://doaj.org/article/84597b9284c14754b95f3c81c5e35040

Conceptual Design of a Solid State Telescope for Small scale magNetospheric Ionospheric Plasma Experiments

Authors: Jongdae Sohn, Jaejin Lee, Gyeongbok Jo, Jongkil Lee, Jaeheung Park, Young-Sil Kwak, Won-Kee Park, Uk-Won Nam, Kyunghwan Dokgo

Source: Journal of Astronomy and Space Sciences, Vol 35, Iss 3, Pp 195-200 (2018)

Subject Terms: solid state telescope, electron, microburst, Astronomy, QB1-991

File Description: electronic resource

Relation: http://janss.kr/journal/article.php?code=62901; https://doaj.org/toc/2093-5587; https://doaj.org/toc/2093-1409

Access URL: https://doaj.org/article/f44ab2ab710943e2b90ef06ace3a81b6

A Study on the Performance of a Silicon Photodiode Sensor for a Particle Dosimeter and Spectrometer

Authors: Bobae Kim, Uk-Won Nam, Sunghwan Kim, Sukwon Youn, Won-Kee Park, Jongdae Sohn, Hong Joo Kim, Seh-Wook Lee, Junga Hwang, Sung-Joon Ye, Insoo Jun, Young-Jun Choi

Source: Sensors, Vol 21, Iss 23, p 8029 (2021)

Subject Terms: silicon photodiode sensor, proton spectrometer, gamma rays, radiation dosimeter, Chemical technology, TP1-1185

File Description: electronic resource

Relation: https://www.mdpi.com/1424-8220/21/23/8029; https://doaj.org/toc/1424-8220

Access URL: https://doaj.org/article/ef91e2fc11254e91afb6741558f96c32

Calibration of TEPC for CubeSat Experiment to Measure Space Radiation

Authors: Uk-Won Nam, Won-Kee Park, Jaejin Lee, Jeonghyun Pyo, Bong-Kon Moon, Dae-Hee Lee, Sunghwan Kim, Ho Jin, Seongwhan Lee, Jungho Kim, Hisashi Kitamura, Yukio Uchihori

Source: Journal of Astronomy and Space Sciences, Vol 32, Iss 2, Pp 145-149 (2015)

Subject Terms: space radiation, tissue equivalent proportional counter, galactic cosmic ray, linear energy transfer, Astronomy, QB1-991

File Description: electronic resource

Relation: http://ocean.kisti.re.kr/downfile/volume/kosss/OJOOBS/2015/v32n2/OJOOBS_2015_v32n2_145.pdf; https://doaj.org/toc/2093-5587; https://doaj.org/toc/2093-1409

Access URL: https://doaj.org/article/5f4c478d6a9a4a58b27c211837fbb5a4

Conceptual Design of the NISS onboard NEXTSat-1

Authors: Woong-Seob Jeong, Sung-Joon Park, Kwijong Park, Dae-Hee Lee, Jeonghyun Pyo, Bongkon Moon, Youngsik Park, Il-Joong Kim, Won-Kee Park, Duk-Hang Lee, Chan Park, Kyeongyeon Ko, Toshio Matsumoto, Norihide Takeyama, Akito Enokuchi, Goo-Whan Shin, Jangsoo Chae, Uk-Won Nam

Source: Journal of Astronomy and Space Sciences, Vol 31, Iss 1, Pp 83-90 (2014)

Subject Terms: infrared, space instrument, payload, space surveillance, NISS, Astronomy, QB1-991

File Description: electronic resource

Relation: http://ocean.kisti.re.kr/downfile/volume/kosss/OJOOBS/2014/v31n1/OJOOBS_2014_v31n1_83.pdf; https://doaj.org/toc/2093-5587; https://doaj.org/toc/2093-1409

Access URL: https://doaj.org/article/bc8e35c426354b628da305ecb11bdc82

Development and Characterization of Tissue Equivalent Proportional Counter for Radiation Monitoring in International Space Station

Authors: Uk-Won Nam, Chang Hwy Lim, Jae Jin Lee, Jeonghyun Pyo, Bong-Kon Moon, Dae-Hee Lee, Youngsik Park, Hyun Ok Kim, Myungkook Moon, Sunghwan Kim

Source: Journal of Astronomy and Space Sciences, Vol 30, Iss 2, Pp 107-112 (2013)

Subject Terms: tissue equivalent proportional counter, linear energy transfer, international space station, Astronomy, QB1-991

File Description: electronic resource

Relation: http://ocean.kisti.re.kr/downfile/volume/kosss/OJOOBS/2013/v30n2/OJOOBS_2013_v30n2_107.pdf; https://doaj.org/toc/2093-5587; https://doaj.org/toc/2093-1409

Access URL: https://doaj.org/article/02c5e36b943640178425db05434b6be2

Development of Optical System for ARGO-M

Authors: Jakyoung Nah, Jung-Guen Jang, Bi-Ho Jang, In-Woo Han, Jeong-Yeol Han, Kwijong Park, Hyung-Chul Lim, Sung-Yeol Yu, Eunseo Park, Yoon-Kyung Seo, Il-Kwon Moon, Byung-Kyu Choi, Eunjoo Na, Uk-Won Nam

Source: Journal of Astronomy and Space Sciences, Vol 30, Iss 1, Pp 49-58 (2013)

Subject Terms: ARGO-M, satellite laser tracking, optical system, optomechanics, Astronomy, QB1-991

File Description: electronic resource

Relation: http://ocean.kisti.re.kr/downfile/volume/kosss/OJOOBS/2013/v30n1/OJOOBS_2013_v30n1_49.pdf; https://doaj.org/toc/2093-5587; https://doaj.org/toc/2093-1409

Access URL: https://doaj.org/article/0481fc892f704d479ee4dbc20a283b9a

Performance Analysis for Mirrors of 30 cm Cryogenic Space Infrared Telescope

Authors: Kwijong Park, Bongkon Moon, Dae-Hee Lee, Woong-Seob Jeong, Uk-Won Nam, Youngsik Park, Jeonghyun Pyo, Wonyong Han

Source: Journal of Astronomy and Space Sciences, Vol 29, Iss 3, Pp 321-328 (2012)

Subject Terms: opto-mechanical analysis, mirror mount, Zernike polynomials, finite element method, mirror support, Astronomy, QB1-991

File Description: electronic resource

Relation: http://ocean.kisti.re.kr/downfile/volume/kosss/OJOOBS/2012/v29n3/OJOOBS_2012_v29n3_321.pdf; https://doaj.org/toc/2093-5587; https://doaj.org/toc/2093-1409

Access URL: https://doaj.org/article/5ae743c35c74468dbcf1499606bb57af

Development of the Earth Observation Camera of MIRIS

Authors: Dae-Hee Lee, Wonyong Han, Youngsik Park, Sung-Jun Park, Bongkon Moon, Chang Hee Ree, Jeonghyun Pyo, Woong-Seob Jeong, Uk-Won Nam, Duk-Hang Lee, Kwijong Park, Sooho Bae, Seung-Wu Rhee, Jong-Oh Park, Geon-Hee Kim, Sun-Choel Yang, Young-Ju Kim

Source: Journal of Astronomy and Space Sciences, Vol 28, Iss 3, Pp 225-232 (2011)

Subject Terms: infrared, satellite payload, Earth observation, Astronomy, QB1-991

File Description: electronic resource

Relation: http://ocean.kisti.re.kr/downfile/volume/kosss/OJOOBS/2011/v28n3/OJOOBS_2011_v28n3_225.pdf; https://doaj.org/toc/2093-5587; https://doaj.org/toc/2093-1409

Access URL: https://doaj.org/article/3e1fab5bdbab4f77b3317ca096a23644

Precipitable Water Vapor Conditions for Infrared Observations at Korean Astronomical Observatories

Authors: Sungho Lee, Jeongho Baek, Bongkon Moon, Ho Jin, Jung-Ho Cho, Sang-Mok Cha, Seounghyun Cho, Yungsik Park, In-Soo Yuk, Uk-Won Nam, Soojong Park

Source: Journal of Astronomy and Space Sciences, Vol 24, Iss 4, Pp 339-348 (2007)

Subject Terms: Infrared Observations, Precipitable Water Vapor, Atmospheric Transmission, Astronomy, QB1-991

File Description: electronic resource

Relation: http://ocean.kisti.re.kr/downfile/volume/kosss/OJOOBS/2007/v24n4/OJOOBS_2007_v24n4_339.pdf; https://doaj.org/toc/2093-5587; https://doaj.org/toc/2093-1409

Access URL: https://doaj.org/article/9d5f92030a8a489abc2d9ea56a234a3b

Development of a Monitoring System for an Infrared Camera

Authors: Sang-Mok Cha, Bongkon Moon, Ho Jin, In-Soo Yuk, Uk-Won Nam, Sungho Lee, Yungsik Park, Seounghyun Cho, Seungwon Mok, Chun-Hwey Kim

Source: Journal of Astronomy and Space Sciences, Vol 23, Iss 4, Pp 425-434 (2006)

Subject Terms: IR camera, IR instrument, temperature monitor, vacuum monitor, cryogenic, Astronomy, QB1-991

File Description: electronic resource

Relation: http://ocean.kisti.re.kr/downfile/volume/kosss/OJOOBS/2006/v23n4/OJOOBS_2006_v23n4_425.pdf; https://doaj.org/toc/2093-5587; https://doaj.org/toc/2093-1409

Access URL: https://doaj.org/article/8eda6e0cd35041e8ab951c0c96d6dba2

Thermal Design of a Protomodel Space Infrared Cryogenic System

Authors: Hyung Suk Yang, Dong Lak Kim, Byoung-Seob Lee, Geonhee Kim, Dae-Hee Lee, Soojong Park, Uk-Won Nam

Source: Journal of Astronomy and Space Sciences, Vol 23, Iss 2, Pp 153-160 (2006)

Subject Terms: PACS 07.20.Mc low-temperature equipment, PACS 07.87.+v space research instrument, PACS 95.55.Fw infrared telescope, Astronomy, QB1-991

File Description: electronic resource

Relation: http://ocean.kisti.re.kr/downfile/volume/kosss/OJOOBS/2006/v23n2/OJOOBS_2006_v23n2_153.pdf; https://doaj.org/toc/2093-5587; https://doaj.org/toc/2093-1409

Access URL: https://doaj.org/article/18ec82754e6942e8b7721d73c494b037

Design of the Optical System for a Protomodel of Space Infrared Cryogenic System

Authors: Dae-Hee Lee, Soojong Park, In-Soo Yuk, Uk-Won Nam, Ho Jin, Sungho Lee, Jeong-Yeol Han, Hyung Suk Yang, Dong Lak Kim, Geon-Hee Kim, Seong-Je Park, Byung-Hyuk Kim, Han Jeong

Source: Journal of Astronomy and Space Sciences, Vol 22, Iss 4, Pp 473-482 (2005)

Subject Terms: IR, optical design, cryogenics, space telescope, protomodel, Astronomy, QB1-991

File Description: electronic resource

Relation: http://ocean.kisti.re.kr/downfile/volume/kosss/OJOOBS/2005/v22n4/OJOOBS_2005_v22n4_473.pdf; https://doaj.org/toc/2093-5587; https://doaj.org/toc/2093-1409

Access URL: https://doaj.org/article/a3611b35d087408ab641265d310efd48

FIMS Wavelength Calibration via Airglow Line Observations

Authors: Dae-Hee Lee, Kwang-Il Seon, Jang-Hyun Park, Ho Jin, In-Soo Yuk, Uk-Won Nam, Wonyoung Han, Jae-Woo Park, Jina Lee, Kwang-Sun Ryu, Kyoung-Wook Min

Source: Journal of Astronomy and Space Sciences, Vol 21, Iss 4, Pp 391-398 (2004)

Subject Terms: spectral calibration, airglow, FIMS, Astronomy, QB1-991

File Description: electronic resource

Relation: https://doaj.org/toc/2093-5587; https://doaj.org/toc/2093-1409

Access URL: https://doaj.org/article/678e0e05a2234d6f89aa398937aeee65

Longitudinal and Seasonal Variations of the Electron Temperature and Density in the Low-Latitude Topside Ionosphere Observed by KOMPSAT-1

Authors: Heejun Kim, Sun Mie Park, Jae-Jin Lee, Ensang Lee, Kyoung-Wook Min, Wonyong Han, Uk-Won Nam, Ho Jin

Source: Journal of Astronomy and Space Sciences, Vol 19, Iss 2, Pp 123-132 (2002)

Subject Terms: ionospheric structure, ionospheric soundings, Astronomy, QB1-991

File Description: electronic resource

Relation: http://ocean.kisti.re.kr/downfile/volume/kosss/OJOOBS/2002/v19n2/OJOOBS_2002_v19n2_123.pdf; https://doaj.org/toc/2093-5587; https://doaj.org/toc/2093-1409

Access URL: https://doaj.org/article/020c06c10e5f4b3fb10381c006205858

Development of CCD Imaging System Using Thermoelectric Cooling Method

Authors: Youngsik Park, Chungwoo Lee, Ho Jin, Wonyong Han, Uk-Won Nam, Yong-Sam Lee

Source: Journal of Astronomy and Space Sciences, Vol 17, Iss 1, Pp 53-66 (2000)

Subject Terms: Astronomy, QB1-991

File Description: electronic resource

Relation: http://ocean.kisti.re.kr/downfile/volume/kosss/OJOOBS/2000/v17n1/OJOOBS_2000_v17n1_53.pdf; https://doaj.org/toc/2093-5587; https://doaj.org/toc/2093-1409

Access URL: https://doaj.org/article/714b868848a2401ea29414c61be0839f

An X-ray Experiment with Two-Stage Korean Sounding Rocket

Authors: Uk-Won Nam, Chul-Sung Choi

Source: Journal of Astronomy and Space Sciences, Vol 15, Iss 2, Pp 373-389 (1998)

Subject Terms: Astronomy, QB1-991

File Description: electronic resource

Relation: http://ocean.kisti.re.kr/downfile/volume/kosss/OJOOBS/1998/v15n2/OJOOBS_1998_v15n2_373.pdf; https://doaj.org/toc/2093-5587; https://doaj.org/toc/2093-1409

Access URL: https://doaj.org/article/0af5ed836d4b4b2981b3f1bf6b2b9169