Proceedings of the Japan-France Seminar on Solar Physics
1980 October 15-18, Tokyo

Preface		i
List of Participants		ii
Session I. Introductory Discourse
The Active Sun as a Star .....
	J.C. Pecker	1
Session II. The MHD Approach to the Solar Atmosphere
The Solar Cycle - Its Interpretation in Terms of a Dynamo Theory
	H. Yoshimura	19
Theoretical Prediction of Eigen Frequencies of the Solar Five Minute Oscillation
	C. Berthomieu, A.J. Cooper, D.O. Gough, Y. Osaki, J. Provost and A. Rocca	32
Solar Phenomena as MHD Manifestations
	W. Unno	36
Some Evidence for Dominantly Horizontal Velocities in the Photosphere
	J. Rayrole	41
The Magnetic Fields in the Stellar Photospheres
	K. Nariai	46
Numerical Simulations of Active Phenomena in the Solar Atmosphere
	K. Shibata	50
Numerical Hydrodynamic Simulations of Spicules
	Y. Suematsu	66
Observational Proof of the Inefficiency of the Chromospheric Heating by Acoustic Waves
	P. Mein, N. Mein and B. Schmieder	70
Electro Magnetic Heating of Coronae
	J. Heyvaerts and E. Schatzman	77
Magnetic Fields and Currents in the Corona
	Y. Uchida	83
An Analytical Approach to the Three Dimensional Stellar (Solar) Wind Solutions with Magnetic Field
	O. Kaburaki	96
Session III. Long-Lived Features
Wide-Band Polarization of Sunspots
	M. Makita	99
Three Component Magnetic Fields of Sunspots
	H. Kawakami and M. Makita	107
Preliminary Observations on the Global Energy Balance of Sunspots and Photospheric Faculae
	T. Hirayama	116
Discussion of the Semi-Empirical Determinations of the Optical Depth of Chromosphere-Corona Transition C IV Lines
	J.C. Pecker, S. Dumont, Z. Mouradian and E.G. Chipman	118
The Magnetic Field Flux in Facular Regions
	Z. Mouradian, C. Chapman, S. Dumont, Ch. Fang, Y. Feng and J.C. Pecker	121
Coronal Magnetic Fields and Forbidden Emission Line Polarization
	D. Rees	125
Small Scale Unresolved Solar Magnetic Fields
	E. Ribes and M. Semel	129
Morphological and Dynamic Properties of Magnetic Bright Points in the Quiet Photosphere
	R. Muller	142
Observational Test for Hydrodynamical Models of Solar Faculae
	M. Semel, E. Ribes and D. Rees	149
Mass Balance and Magnetic Structure in Quiescent Prominences
	J.L. Leroy	155
Motions and Oscillations in Filaments
	J.M. Malherbe, M.J. Martres, P. Mein, B. Schmieder and I. Soru-Escaut	166
A Model of Magnetic Fields and Mass Flows in Dark Filaments
	Y. Uchida	169
The Vertical Motion of Matter in Quiescent Prominences
	J. Kubota	178
Lyman Continuum Optical Depth of Prominences Derived from EUV Spectroheliograms
	M. Kanno	181
Session IV. Violent Features
Pre-Flare Evolution and the Beginning of Flares
	E. Hiei	185
A Spatial Description of an Elementary Eruptive Phenomenon
	M.J. Martres, Z. Mouradian and I. Soru-Escaut	188
An Unexpected Event in the Study of Repetitive Events
	M.J. Martres and I. Soru-Escaut	191
Is the "Disparition Brusque" Phenomenon Always an Effective Disappearance?
	Z. Mouradian, M.J. Martres and I. Soru-Escaut	195
The Brightening of Very Short Duration Observed in the Wing of Hα Line
	I. Kawaguchi	199
On the Emission Spectra of Moustasches
	R. Kitai	202
Some Observational Results on Ellerman Bomb
	H. Kurokawa	206
Energy Release and Energy Transfer in Flares
	J.C. Henoux	210
Soft X-Ray Line Emission from Solar Flares
	K. Tanaka	219
35 GHz Observations of Solar Flares
	K. Kawabata and H. Ogawa	229
Pulsating Type IV Bursts at Metric Wavelengths and Corresponding Optical and Microwave Features
	T. Kosugi	233
Stellar Activity
	A. Mangeney	235
Some Comments on the Propagation of Alfven waves in an Atmosphere
	B. Leroy	251
On the Existence of Hot Coronae in Hot Star Winds
	J.P.J. Lafon	255
Session V. Solar Observations, Present and Future
Magnetic Field Observations in Meudon Observatory
	J. Rayrole	258
The Solar Instruments of the Pic du Midi Observatory
	J. Rösch	269
The New Solar Spectrograph at Pic du Midi Observatory
	Z. Mouradian, F. Chauveau, F. Colson, G. Darré, P. Kerlirzlin and G. Olivieri	271
New Domeless Solar Telescope in Hida Observatory
	Y. Nakai	275
Multi-Channel Subtractive Double Pass Spectrograph
	P. Mein	285
Three Interesting Properties of Birefringent Filters
	J.L. Leroy	288
Solar Diameter Measurements, A New Approach
	J. Rösch and R. Yerle	292
Attempts to Detect Emerging Twisted Flux Tube
	K. Tanaka	304
On-Axis Stellar Magnetograph
	K. Nariai	311
Solar Research from Space
	R. Bonnet	312
Space Observations of the Sun at TAO
	K. Nishi	332