Search Results - "Kim, Rok Soon"
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DH Type II Radio Bursts During Solar Cycles 23 and 24: Frequency-Dependent Classification and Their Flare-CME Associations
Published in Solar physics (01-09-2021)“…We present the characteristics of DH type II bursts for the Solar Cycles 23 and 24. The bursts are classified according to their end frequencies into three…”
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2
Formation of Post-CME Blobs Observed by LASCO-C2 and K-Cor on 2017 September 10
Published in The Astrophysical journal (01-04-2020)“…Understanding the formation of post-CME blobs, we investigate 2 blobs in the outer corona observed by LASCO-C2 and 34 blobs in the inner corona by K-Cor on…”
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3
Two Distinct Types of CME-flare Relationships Based on SOHO and STEREO Observations
Published in The Astrophysical journal (20-08-2017)“…In this paper, we present two distinct types of coronal mass ejection (CME)-flare relationships according to their observing time differences using 107 events…”
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Effects of Geometries and Substructures of ICMEs on Geomagnetic Storms
Published in Solar physics (01-09-2018)“…To better understand geomagnetic storm generations by ICMEs, we consider the effect of substructures (magnetic cloud, MC, and sheath) and geometries (impact…”
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5
Long-Term Science Goals with In Situ Observations at the Sun-Earth Lagrange Point L4
Published in Journal of astronomy and space sciences (01-03-2024)“…The Korean heliospheric community, led by the Korea Astronomy and Space Science Institute (KASI), is currently assessing the viability of deploying a…”
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6
Development of Forecast Algorithm for Coronal Mass Ejection Speed and Arrival Time Based on Propagation Tracking by Interplanetary Scintillation g-Value
Published in Journal of astronomy and space sciences (01-03-2020)“…We have developed an algorithm for tracking coronal mass ejection (CME) propagation that allows us to estimate CME speed and its arrival time at Earth. The…”
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7
Near-Earth Interplanetary Coronal Mass Ejections and Their Association with DH Type II Radio Bursts During Solar Cycles 23 and 24
Published in Solar physics (01-10-2022)“…We analyse the characteristics of interplanetary coronal mass ejections (ICMEs) during Solar Cycles 23 and 24. The present analysis is primarily based on the…”
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8
Development of Forecast Algorithm for Coronal Mass Ejection Speed and Arrival Time Based on Propagation Tracking by Interplanetary Scintillation g-Value
Published in Journal of astronomy and space sciences (2020)“…We have developed an algorithm for tracking coronal mass ejection (CME) propagation that allows us to estimate CME speed and its arrival time at Earth. The…”
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9
Interferometric Imaging, and Beam-Formed Study of a Moving Type-IV Radio Burst with LOFAR
Published in Solar physics (01-09-2022)“…Type-IV radio bursts have been studied for over 50 years. However, the specifics of the radio emission mechanisms is still an open question. In order to…”
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10
Solar activities and climate change during the last millennium recorded in Korean chronicles
Published in Journal of atmospheric and solar-terrestrial physics (01-05-2019)“…Korean chronicles have a large amount of observational records of natural phenomena, including astronomical and meteorological events over two thousand years…”
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11
Characteristics and Geoeffectiveness of Small-scale Magnetic Flux Ropes in the Solar Wind
Published in Journal of astronomy and space sciences (2017)“…Magnetic flux ropes, often observed during intervals of interplanetary coronal mass ejections, have long been recognized to be critical in space weather. In…”
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12
Observational Overview of the May 2024 G5-Level Geomagnetic Storm: From Solar Eruptions to Terrestrial Consequences
Published in Journal of astronomy and space sciences (01-09-2024)“…This study reports comprehensive observations for the G5-level geomagnetic storm that occurred from May 10 to 12, 2024, the most intense event since the 2003…”
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13
Characteristics and Geoeffectiveness of Small-scale Magnetic Flux Ropes in the Solar Wind
Published in Journal of astronomy and space sciences (01-12-2017)“…Magnetic flux ropes, often observed during intervals of interplanetary coronal mass ejections, have long been recognized to be critical in space weather. In…”
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14
Solar proton events during the solar cycle 23 and their association with CME parameters
Published in Acta astronautica (01-08-2010)“…We have studied the solar proton events associated with the coronal mass ejections (CMEs) and flares during the solar cycle 23 (1997–2006) in order to…”
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15
Near-Earth Interplanetary Coronal Mass Ejections and Their Association with DH Type II Radio Bursts During Solar Cycles 23 and 24
Published 26-10-2022“…Solar Physics (2022) 297:139 We analyse the characteristics of interplanetary coronal mass ejections (ICMEs) during Solar Cycles 23 and 24. The present…”
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16
Interferometric imaging, and beam-formed study of a moving Type IV Radio burst with LOFAR
Published 29-08-2022“…Type IV radio burst has been studied for over 50 years. However, the specifics of the radio emission mechanisms is still an open question. In order to provide…”
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17
DH Type II Radio Bursts During Solar Cycles 23 and 24: Frequency-dependent Classification and their Flare-CME Associations
Published 30-08-2021“…We present the characteristics of DH type II bursts for the Solar Cycles 23 and 24. The bursts are classified according to their end frequencies into three…”
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18
한국천문연구원의 태양 및 우주환경 모니터링 시스템 개발: II. 실시간 진단, 예보, 데이터베이스
Published in Journal of astronomy and space sciences (01-12-2004)“…Nowcast and forecast based on realtime data are quite essential for space weather monitoring. We have developed the web pages (http://sun.kao.re.kr) of the KAO…”
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19
Seismological determination of the Alfv\'{e}n speed and plasma-beta in solar photospheric bright points
Published 18-01-2019“…The Alfv\'{e}n speed and plasma beta in photospheric bright points observed by the Broadband Filter Imager (BFI) of the Solar Optical Telescope (SOT) on board…”
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20
The 17 March 2015 storm: the associated magnetic flux rope structure and the storm development
Published in Earth, planets, and space (08-11-2016)“…The objective of this study is (1) to determine the magnetic cloud (MC) structure associated with the 17 March 2015 storm and (2) to gain an insight into how…”
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