Proceedings of the Second Japan-China Seminar on Solar Physics 1993 July 6-8, Sagamihara
Sponsored by the Ministry of Education, Science and Culture
under the International Scientific Research Program Grant No. 04044170 (T.Hirayama)
edited by T. Sakurai, T. Hirayama, and G. Ai
National Astronomial Observatory of Japan, Mitaka, Tokyo 181
March, 1994
Table of Contents
Preface | i | |
Group Photo | viii | |
Session 1: Observatory Reports | ||
Solar Observations of Purple Mountain Observatory | ||
J. You | 1 | Solar Observation Instruments at Yunnan Observatory |
B. Zhang, Y. Ding, and R. Li | 6 | Solar Optical Instruments at the National Astronomical Observatory of Japan |
T. Sakurai | 11 | Hida Observatory of Kyoto University |
H. Kurokawa | 17 | H-alpha Telescope in Hiraiso and Future Plan |
M. Akioka | 22 | The Development of Imaging Spectrograph in the Solar Tower of Nanjing University |
Y.R. Huang, C. Fang, Z.G. Zhu, Y.Z. Xue, and X.F. Gao | 28 | |
Session 2: General Topics | Microwave, H$\alpha$ and Hard X-Ray Observations of the 1992 June 26 C7.3 Solar Flare | |
H. Wang | 33 | Fe XXV Temperatures in Flares Determined from the Yohkoh BCS Experiment |
A.C. Sterling | 37 | Time Development of an X-Class Flare on 1992 June 28 |
H. Nakajima, S. Enome, K. Shibasaki, M. Nishio, T. Takano, Y. Hanaoka, C. Torii, Y. Shiomi, H. Sekiguchi, T. Bushimata, S. Kawashima, N. Shinohara, Y. Irimajiri, H. Koshiishi, and Y.S. Choi | 40 | Changes of Vector Magnetic Field during Powerful Flares in Active Region NOAA 6659 on June 6, 1991 |
H. Zhang | 42 | The Development of Magnetic Shear |
Jingxiu Wang | 48 | Recent Classifications of Solar Flares |
Jialong Wang | 54 | A Peak-to-Peak Correlation between Spikes and X-Ray Bursts during Type IV Bursts |
Z. Xia | 59 | Energy Distribution of Energetic Electrons in the Source of an Especially Great Radio Microwave Burst |
R. Zhao | 65 | Emission Mechanism of a Specific Solar Radio Microwave Burst |
R. Zhao | 70 | The Frequency Drift in Spike Radiation Observed on May 10, 1991 |
R. Zhao, S. Jin, and Q. Qi | 76 | A Brief Analysis of Microwave FS Events Observed by BAO in 1991 |
Q. Fu and B. Zhao | 81 | The Features of Spikes Received at 2545 and 2645 MHz Frequencies |
S. Jin and X. Li | 87 | The Reversion of Polarization Sense of Spikes Observed on May 16, 1991 |
S. Jin, R. Zhao, X. Li, and Q. Qi | 93 | The Analysis of Solar Data at 2.84 GHz on May 16, 1991 |
L. Zheng and Y. Liu | 97 | Diagnostics of Non-Thermal Processes in Chromospheric Flares: I. H&\alpha; and Ca II K-Line Profiles of an Atmosphere Bombarded by Hecta keV Electrons |
C. Fang, J.C. Henoux, and W.Q. Gan | 102 | Diagnostics of Non-Thermal Processes in Chromospheric Flares: II. H&\alpha; and Ca II K-Line Profiles of an Atmosphere Bombarded by Hecta keV Protons |
J.C. Henoux, C. Fang, and W.Q. Gan | 103 | Stability of Lundquist Field and Prominence Exposing Helical-Like Patterns |
A. Xu, G. Wu, and Heqi Zhang | 104 | Development of the Fast Reconnection Mechanism in a Sheared Field |
M. Ugai | 110 | Constructional Design of the Nine Channel Lyot Filter |
T. Li, Y. Chu, L. Zhu, and H. Lu | 116 | High Resolution Image Recovery by Speckle Interference Method in Huairou's 60cm Telescope |
Y. Deng, G. Ai, and B. Zhang | 122 | Some Schemes of Space Solar Telescope |
G. Ai | 128 | |
Session 3: NOAA 7321 | Coordinated Observations of Solar Active Regions (NOAA 7260, 7270 and 7321) at Beijing Astronomical Observatory | |
G. Ai, Hongqi Zhang, Q. Fu, and Jialong Wang | 135 | Observational Results of an Active Region (NOAA 7321) on October-November, 1992 |
Hongqi Zhang, G. Ai, and T. Wang | 141 | Observations of the Magnetic Field Structure in NOAA 7321 Using the Solar Flare Telescope |
S. Kawakami | 147 | Optical and X-Ray Observations of the X9 Flare on 2nd Nov. 1992 |
K. Ichimoto, T. Sakurai, Flare Telescope and Norikura Teams | 151 | Hard X-ray Images at the Flare on 1992 October 27 |
T. Takakura | 157 | Evolution of Radio Features in a Flare Productuve Active Region NOAA 7321 |
M. Nishio, T. Takakura, S. Enome, H. Nakajima, K. Shibasaki, T. Takano, Y. Hanaoka, Y.S. Choi, and H. Koshiishi | 161 | Hα and Soft X-Ray Activities in NOAA 7321 Region during 26--28 October, 1992 |
Y. Suematsu and N. Tanaka | 165 | |
Session 4: NOAA 7260 | An Overview of Active Region 7260 | |
J. You | 169 | A purely Polarized Radio Source Associated with NOAA 7260 |
K. Shibasaki, S. Enome, H. Nakajima, M. Nishio, T. Takano, Y. Hanaoka, C. Torii, H. Sekiguchi, S. Kawashima, T. Bushimata, N. Shinohara, H. Koshiishi, and Y. Shiomi | 175 | A Flare of 1992 Aug.17 23:58 UT |
M. Takahashi, J.I. Sakai, T. Watanabe, T. Sakao, T. Kosugi, T. Sakurai, S. Enome, S. Tsuneta, N. Nitta, H.S. Hudson, and S. Hashimoto | 176 | Hard X-ray Images at the Flare on 1992 August 17 |
T. Takakura | 182 | The Numerical Analysis on Characteristics of Plasma Temperature Variation about the Aug. 17, 25:58UT, 1992 Flare |
J. Zhao, J.I. Sakai, and B. Chargeishvili | 187 | Active Region Transient Brightenings in NOAA 7260 |
T. Shimizu | 193 | X-ray Activity in Coronal Loops and Its Photospheric/Chromospheric Counterparts |
T. Sakurai, K. Shibata, K. Ichimoto, and M. Takata | 198 | |
Session 5: NOAA 7270 | NOAA 7270: A Brief Report of Observations | |
M. Wu | 203 | Emerging Flux Regions and Surge Activities in NOAA 7270 |
H. Kurokawa, R. Kitai, Y. Funakoshi, Y. Nakai, K. Ichimoto, K. Shibata, and Hongqi Zhang | 209 | Flares on September 6, 1992 |
R. Kitai, H. Kurokawa, Y. Funakoshi, Y. Nakai, K. Shibata, K. Yaji, N. Nitta, and Yohkoh Team and NOAJ Flare Telescope Team | 215 | Flares on Sept.6, 1992 in NOAA 7270: SXT Observations and Comparison with H-Alpha and HXT Observations |
K. Shibata, N. Nitta, R. Kitai, H. Kurokawa, K. Yaji, T. Sakurai, and Hongqi Zhang | 220 | Flares in the Region NOAA 7270 Observed with the Nobeyama Radioheliograph |
Y. Hanaoka | 226 | Meterwave Solar Radio Emission from NOAA 7260 |
S. Watari, T. Isobe, and Yohkoh SXT Team | 230 | BCS Spectra from Flares on 6th September 1992 |
T. Kato, T. Fujiwara, and Yohkoh BCS Group | 236 | |
Epilogue: A Poem by Jingxiu Wang | 241 | |
List of Participants | 243 |