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39
Title
Linear Acoustic Waves in a Nonisothermal Atmosphere. II. Photospheric Resonator Model of Three-minute Umbral Oscillations
Authors
Chae, Jongchul; Kang, Juhyung; Litvinenko, Yuri;
Pub Date
09/2019
Journal
ApJ, 883, 72
Keywords
magnetohydrodynamics: MHD, waves, Sun: atmosphere, Sun: chromosphere, Sun: oscillations, Sun: photosphere, sunspots

Links
ADS DOI
38
Title
The Observational Evidence for the Internal Excitation of Sunspot Oscillations Inferred from the Fe I 5435 \u212B Line
Authors
Cho, Kyuhyoun; Chae, Jongchul; Lim, Eun-kyung; Yang, Heesu;
Pub Date
07/2019
Journal
ApJ, 879, 67
Keywords
Sun: oscillations, Sun: photosphere, sunspots, Astrophysics - Solar and Stellar Astrophysics

Links
ADS DOI
37
Title
Can an injection model replenish filaments in a weak magnetic environment?
Authors
Zou, Peng; Jiang, Chao-Wei; Wei, Feng-Si; Cao, Wen-Da;
Pub Date
06/2019
Journal
RAA, 19, 084
Keywords
Astrophysics - Solar and Stellar Astrophysics

Links
ADS DOI
36
Title
The Physical Nature of Spiral Wave Patterns in Sunspots
Authors
Kang, Juhyung; Chae, Jongchul; Nakariakov, Valery; Cho, Kyuhyoun; Kwak, Hannah; Lee, Kyeore;
Pub Date
05/2019
Journal
ApJL, 877, 9
Keywords
magnetohydrodynamics: MHD, Sun: chromosphere, Sun: oscillations, sunspots, waves, Astrophysics - Solar and Stellar Astrophysics

Links
ADS DOI
35
Title
Depth of Ellerman Burst Derived from High-resolution H\u03B1 and Ca II 8542 \u212B Spectra
Authors
Seo, Minju; Quintero Noda, Carlos; Lee, Jeongwoo; Chae, Jongchul;
Pub Date
01/2019
Journal
ApJ, 871, 125
Keywords
line: formation, line: profiles, Sun: activity, Sun: atmosphere, Sun: chromosphere, Sun: photosphere

Links
ADS DOI
34
Title
Linear Acoustic Waves in a Nonisothermal Atmosphere. I. Simple Nonisothermal Layer Solution and Acoustic Cutoff Frequency
Authors
Chae, Jongchul; Litvinenko, Yuri;
Pub Date
12/2018
Journal
ApJ, 869, 36
Keywords
hydrodynamics, Sun: atmosphere, Sun: chromosphere, Sun: oscillations, waves

Links
ADS DOI
33
Title
Nonlinear Effects in Three-minute Oscillations of the Solar Chromosphere. II. Measurement of Nonlinearity Parameters at Different Atmospheric Levels
Authors
Chae, Jongchul; Cho, Kyuhyoun; Song, Donguk; Litvinenko, Yuri;
Pub Date
02/2018
Journal
ApJ, 854, 127
Keywords
hydrodynamics, Sun: atmosphere, Sun: chromosphere, Sun: oscillations, waves

Links
ADS DOI
32
Title
Nonlinear Effects in Three-minute Oscillations of the Solar Chromosphere. I. An Analytical Nonlinear Solution and Detection of the Second Harmonic
Authors
Chae, Jongchul; Litvinenko, Yuri;
Pub Date
08/2017
Journal
ApJ, 844, 129
Keywords
hydrodynamics, Sun: atmosphere, Sun: chromosphere, Sun: oscillations, waves

Links
ADS DOI
31
Title
Multi-wavelength Spectral Analysis of Ellerman Bombs Observed by FISS and IRIS
Authors
Hong, Jie; Ding, M.; Cao, Wenda;
Pub Date
04/2017
Journal
ApJ, 838, 101
Keywords
line: profiles, radiative transfer, Sun: activity, Sun: atmosphere, Astrophysics - Solar and Stellar Astrophysics

Links
ADS DOI
30
Title
Analytical description of nonlinear acoustic waves in the solar chromosphere
Authors
Litvinenko, Yuri; Chae, Jongchul;
Pub Date
03/2017
Journal
A&A, 599, 15
Keywords
hydrodynamics, Sun: atmosphere, Sun: chromosphere, Sun: oscillations, waves

Links
ADS DOI
29
Title
Chromospheric Plasma Ejections in a Light Bridge of a Sunspot
Authors
Song, Donguk; Chae, Jongchul; Yurchyshyn, Vasyl; Lim, Eun-Kyung; Cho, Kyung-Suk; Yang, Heesu; Cho, Kyuhyoun; Kwak, Hannah;
Pub Date
02/2017
Journal
ApJ, 835, 240
Keywords
shock waves, sunspots, Sun: chromosphere, Sun: corona, Sun: photosphere, Astrophysics - Solar and Stellar Astrophysics

Links
ADS DOI
28
Title
Photospheric Origin of Three-minute Oscillations in a Sunspot
Authors
Chae, Jongchul; Lee, Jeongwoo; Cho, Kyuhyoun; Song, Donguk; Cho, Kyungsuk; Yurchyshyn, Vasyl;
Pub Date
02/2017
Journal
ApJ, 836, 18
Keywords
hydrodynamics, Sun: atmosphere, Sun: chromosphere, Sun: magnetic fields, Sun: oscillations, waves

Links
ADS DOI
27
Title
Fine-scale Photospheric Connections of Ellerman Bombs
Authors
Yang, Heesu; Chae, Jongchul; Lim, Eun-Kyung; Song, Donguk; Cho, Kyuhyoun; Kwak, Hannah; Yurchyshyn, Vasyl; Kim, Yeon-Han;
Pub Date
10/2016
Journal
ApJ, 829, 100
Keywords
line: profiles, Sun: chromosphere, Sun: flares, Sun: magnetic fields, Sun: photosphere

Links
ADS DOI
26
Title
Strong Blue Asymmetry in H\u03B1 Line as a Preflare Activity
Authors
Cho, Kyuhyoun; Lee, Jeongwoo; Chae, Jongchul; Wang, Haimin; Ahn, Kwangsu; Yang, Heesu; Lim, Eun-kyung; Maurya, Ram;
Pub Date
10/2016
Journal
SoPh, 291, 2391-2406
Keywords
Flares, pre-flare phenomena, Heating, in flares, Spectrum, visible

Links
ADS DOI
25
Title
Oscillatory Response of the Solar Chromosphere to a Strong Downflow Event above a Sunspot
Authors
Kwak, Hannah; Chae, Jongchul; Song, Donguk; Kim, Yeon-Han; Lim, Eun-Kyung; Madjarska, Maria;
Pub Date
04/2016
Journal
ApJL, 821, 30
Keywords
Sun: atmosphere, Sun: chromosphere, Sun: oscillations, Astrophysics - Solar and Stellar Astrophysics

Links
ADS DOI
24
Title
Ultra-narrow Negative Flare Front Observed in Helium-10830 \u212B Using the 1.6 m New Solar Telescope
Authors
Xu, Yan; Cao, Wenda; Ding, Mingde; Kleint, Lucia; Su, Jiangtao; Liu, Chang; Ji, Haisheng; Chae, Jongchul; Jing, Ju; Cho, Kyuhyoun; Cho, Kyungsuk; Gary, Dale; Wang, Haimin;
Pub Date
03/2016
Journal
ApJ, 819, 89
Keywords
Sun: activity, Sun: chromosphere, Sun: flares, Sun: infrared, Sun: UV radiation, Astrophysics - Solar and Stellar Astrophysics

Links
ADS DOI
23
Title
Bidirectional Outflows as Evidence of Magnetic Reconnection Leading to a Solar Microflare
Authors
Hong, Jie; Ding, M.; Li, Ying; Yang, Kai; Cheng, Xin; Chen, Feng; Fang, Cheng; Cao, Wenda;
Pub Date
03/2016
Journal
ApJL, 820, 17
Keywords
line: profiles, magnetic reconnection, Sun: chromosphere, Sun: flares, Astrophysics - Solar and Stellar Astrophysics

Links
ADS DOI
22
Title
Detection of a Fine-scale Discontinuity of Photospheric Magnetic Fields Associated with Solar Coronal Loop Brightenings
Authors
Song, Donguk; Chae, Jongchul; Park, Soyoung; Cho, Kyung-Suk; Lim, Eun-Kyung; Ahn, Kwangsu; Cao, Wenda;
Pub Date
09/2015
Journal
ApJL, 810, 16
Keywords
magnetohydrodynamics: MHD, Sun: activity, Sun: corona, Sun: magnetic fields, Sun: photosphere

Links
ADS DOI
21
Title
Simultaneous observation of a hot explosion by NST and IRIS
Authors
Kim, Yeon-Han; Yurchyshyn, Vasyl; Bong, Su-Chan; Cho, Il-Hyun; Cho, Kyung-Suk; Lee, Jaejin; Lim, Eun-Kyung; Park, Young-Deuk; Yang, Heesu; Ahn, Kwangsu; Goode, Philip; Jang, Bi-Ho;
Pub Date
09/2015
Journal
ApJ, 810, 38
Keywords
Sun: activity, Sun: atmosphere, Sun: magnetic fields, Sun: UV radiation

Links
ADS DOI
20
Title
Acoustic Waves Generated by Impulsive Disturbances in a Gravitationally Stratified Medium
Authors
Chae, Jongchul; Goode, Philip;
Pub Date
08/2015
Journal
ApJ, 808, 118
Keywords
hydrodynamics, Sun: atmosphere, Sun: chromosphere, Sun: oscillations, waves

Links
ADS DOI
19
Title
Detection of Shock Merging in the Chromosphere of a Solar Pore
Authors
Chae, Jongchul; Song, Donguk; Seo, Minju; Cho, Kyung-Suk; Park, Young-Deuk; Yurchyshyn, Vasyl;
Pub Date
06/2015
Journal
ApJL, 805, 21
Keywords
hydrodynamics, Sun: atmosphere, Sun: chromosphere, Sun: oscillations, waves

Links
ADS DOI
18
Title
Intensity and Doppler Velocity Oscillations in Pore Atmospheres
Authors
Cho, K.; Bong, S.; Nakariakov, V.; Lim, E.; Park, Y.; Chae, J.; Yang, H.; Park, H.; Yurchyshyn, V.;
Pub Date
03/2015
Journal
ApJ, 802, 45
Keywords
sunspots, Sun: chromosphere, Sun: oscillations

Links
ADS DOI
17
Title
Active Region Coronal Rain Event Observed by the Fast Imaging Solar Spectrograph on the NST
Authors
Ahn, Kwangsu; Chae, Jongchul; Cho, Kyung-Suk; Song, Donguk; Yang, Heesu; Goode, Philip; Cao, Wenda; Park, Hyungmin; Nah, Jakyung; Jang, Bi-Ho; Park, Young-Deuk;
Pub Date
11/2014
Journal
SoPh, 289, 4117-4136
Keywords
Active regions, Chromosphere, Coronal rain, Spectroscopic observations

Links
ADS DOI
16
Title
Spectral Observations of Ellerman Bombs and Fitting with a Two-cloud Model
Authors
Hong, Jie; Ding, M.; Li, Ying; Fang, Cheng; Cao, Wenda;
Pub Date
09/2014
Journal
ApJ, 792, 13
Keywords
line: profiles, radiative transfer, Sun: chromosphere, Sun: photosphere, Astrophysics - Solar and Stellar Astrophysics

Links
ADS DOI
15
Title
Magnetic-reconnection Generated Shock Waves as a Driver of Solar Surges
Authors
Yang, Heesu; Chae, Jongchul; Lim, Eun-Kyung; Lee, Kyoung-sun; Park, Hyungmin; Song, Dong-uk; Cho, Kyuhyoun;
Pub Date
07/2014
Journal
ApJL, 790, 4
Keywords
shock waves, Sun: chromosphere, Sun: flares, Sun: transition region

Links
ADS DOI
14
Title
Superpenumbral Fibrils Powered by Sunspot Oscillations
Authors
Chae, Jongchul; Yang, Heesu; Park, Hyungmin; Ajor Maurya, Ram; Cho, Kyung-Suk; Yurchysyn, Vasyl;
Pub Date
07/2014
Journal
ApJ, 789, 108
Keywords
magnetohydrodynamics: MHD, shock waves, Sun: chromosphere, Sun: oscillations, sunspots

Links
ADS DOI
13
Title
Spectral Inversion of the H\u03B1 Line for a Plasma Feature in the Upper Chromosphere of the Quiet Sun
Authors
Chae, Jongchul;
Pub Date
01/2014
Journal
ApJ, 780, 109
Keywords
line: formation, line: profiles, methods: data analysis, radiative transfer, Sun: atmosphere

Links
ADS DOI
12
Title
Doppler Shifts of the H\u03B1 Line and the Ca ii 854.2 nm Line in a Quiet Region of the Sun Observed with the FISS/NST
Authors
Chae, Jongchul; Park, Hyung-Min; Ahn, Kwangsu; Yang, Heesu; Park, Young-Deuk; Cho, Kyung-Suk; Cao, Wenda;
Pub Date
12/2013
Journal
SoPh, 288, 89-103
Keywords
Chromosphere, quiet, Spectral line, intensity and diagnostics

Links
ADS DOI
11
Title
Velocities and Temperatures of an Ellerman Bomb and Its Associated Features
Authors
Yang, Heesu; Chae, Jongchul; Lim, Eun-Kyung; Park, Hyungmin; Cho, Kyuhyoun; Maurya, Ram; Song, Donguk; Kim, Yeon-Han; Goode, Philip;
Pub Date
11/2013
Journal
SoPh, 288, 39-53
Keywords
Active regions, velocity field, Chromosphere, active, Magnetic reconnection, observational signatures, Spectrum, visible, Velocity fields, photosphere

Links
ADS DOI
10
Title
Temperature of Solar Prominences Obtained with the Fast Imaging Solar Spectrograph on the 1.6 m New Solar Telescope at the Big Bear Solar Observatory
Authors
Park, Hyungmin; Chae, Jongchul; Song, Donguk; Maurya, Ram; Yang, Heesu; Park, Young-Deuk; Jang, Bi-Ho; Nah, Jakyoung; Cho, Kyung-Suk; Kim, Yeon-Han; Ahn, Kwangsu; Cao, Wenda; Goode, Philip;
Pub Date
11/2013
Journal
SoPh, 288, 105-116
Keywords
Chromosphere, quiet, Heating, chromospheric, Prominences, quiescent, Spectral line, broadening

Links
ADS DOI
9
Title
Chromospheric Sunspot Oscillations in H\u03B1 and Ca ii 8542 \u212B
Authors
Maurya, Ram; Chae, Jongchul; Park, Hyungmin; Yang, Heesu; Song, Donguk; Cho, Kyuhyoun;
Pub Date
11/2013
Journal
SoPh, 288, 73-88
Keywords
Oscillations, solar, Chromosphere, active, Sunspots, penumbra, Sunspots, umbra, Waves, propagation

Links
ADS DOI
8
Title
FISS Observations of Vertical Motion of Plasma in Tiny Pores
Authors
Cho, K.; Bong, S.; Chae, J.; Kim, Y.; Park, Y.; Katsukawa, Y.;
Pub Date
11/2013
Journal
SoPh, 288, 23-37
Keywords
Chromosphere, Imaging spectroscopy, Photosphere, Pore, Surface magnetic field

Links
ADS DOI
7
Title
Fast Imaging Solar Spectrograph of the 1.6 Meter New Solar Telescope at Big Bear Solar Observatory
Authors
Chae, Jongchul; Park, Hyung-Min; Ahn, Kwangsu; Yang, Heesu; Park, Young-Deuk; Nah, Jakyoung; Jang, Bi; Cho, Kyung-Suk; Cao, Wenda; Goode, Philip;
Pub Date
11/2013
Journal
SoPh, 288, 1-22
Keywords
Chromosphere, Instrumentation and data management, Spectrum, visible

Links
ADS DOI
6
Title
Connection Between Chromospheric Events and Photospheric Dynamics
Authors
Andic, A.; Chae, J.; Park, H.; Yang, H.; Ahn, K.; Cao, W.; Park, Y.;
Pub Date
11/2013
Journal
SoPh, 288, 55-71
Keywords
Chromosphere, Photosphere

Links
ADS DOI
5
Title
DEVELOPMENT OF THE FAST IMAGING SOLAR SPECTROGRAPH FOR 1.6 m NEW SOLAR TELESCOPE
Authors
Nah, Ja-Kyoung; Chae, Jong-Chul; Park, Young-Deuk; Park, Hyung-Min; Jang, Bi-Ho; Ahn, Kwang-Su; Yang, Hee-Su; Cho, Kyung-Suk; Kim, Yeon-Han; Kim, Kwang-Dong; Cao, Wenda; Gorceix, Nicolas; Goode, Philip.;
Pub Date
03/2011
Journal
PKAS, 26, 45-54
Keywords
instrumentation, spectrograph, spectrum, chromosphere

Links
DOI
4
Title
Development of Fast Imaging Solar Spectrograph and Observation of the Solar Chromosphere
Authors
Park, Hyung-Min;
Pub Date
02/2011
Journal
Ph. D Thesis, ,
Keywords
instrumentation, chromosphere

Links
DOI URL
3
Title
Scientific instrumentation for the 1.6 m New Solar Telescope in Big Bear
Authors
Cao, W.; Gorceix, N.; Coulter, R.; Ahn, K.; Rimmele, T.; Goode, P.;
Pub Date
06/2010
Journal
Astronomische Nachrichten, 331, 636
Keywords
instrumentation: adaptive optics, instrumentation: polarimeters, instrumentation: spectrographs, telescopes

Links
ADS DOI
2
Title
Development of New Astronomical Instruments for High Resolution Solar Observations
Authors
Ahn, Kwangsu;
Pub Date
02/2010
Journal
Ph.D Thesis, ,
Keywords
instruments, sun:filaments/prominences, spectrograph, magnetograph

Links
DOI URL
1
Title
Capability of the Fast Imaging Solar Spectrograph on NST/BBSO for Observing Filaments/Prominences at the Spectral Lines H\u03B1, Ca II 8542, and Ca II K
Authors
Ahn, Kwangsu; Chae, Jongchul; Park, Hyung-Min; Nah, Jakyoung; Park, Young-Deuk; Jang, Bi-Ho; Moon, Yong-Jae;
Pub Date
04/2008
Journal
JKAS, 41, 39-47
Keywords
instruments, sun:filaments/prominences, sun: fine threads, spectral profiles

Links
ADS DOI