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Volume 21, Numbers 1 & 2, June 2000

A Measurement of the Cosmic Microwave Background Temperature at 1280 MHz -- A. Raghunathan & Ravi Subrahmanyan

Nature of the Background Ultraviolet Radiation Field at High Redshifts -- A. Samantaray & P. Khare

X-ray Observation of XTE J2012+381 during the 1998 Outburst  -- S. Naik, P.C. Agrawal, B. Paul, A. R. Rao, S. Seetha & K Kasturirangan

X-ray Measurements of Black Hole X-ray Binary Source GRS 1915+105 and the Evolution of Hard X-ray Spectrum -- R. K. Manchanda
Scale Length of the Galactic Thin Disk  -- D. K. Ojha 53-59
A New Scheme of Radiation Transfer in HII Regions including Transient Heating of Grains  -- S. K. Ghosh & R. P. Verma
Stellar Sources in the ISOGAL Inner Galactic Bulge Field (l=0o, b=–1o) -- D. K. Ojha, A. Omont, S. Ganesh, G. Simon & M. Schultheis 77-90
Porous and Fluffy Grains in the Regions of Anomalous Extinction -- D. B. Vaidya, B. G. Anandarao, J. N. Desai & R. Gupta 91-99


Volume 21, Numbers 3 & 4, September & December 2000
Special issue on 'Cyclical Evolution of Solar Magnetic Fields: Advances in Theory and Observations'  

The Kodaikanal Observatory – A Historical Account 

Foreword  111
Session I – Keynote Address  
Active Region Magnetic Fields -- R. F. Howard
Session II – Synoptic Observations  

New Initiatives for Synoptic Observations -- C. U. Keller

New High Resolution Observations of the Solar Diameter from Space and Ground with the Microsatellite Program PICARD  -- L. Damé
Introduction to the Solar Space Telescope -- G. X. Ai, S. Jin, S. Wang, B. Ye & S. Yang
Results from Kodaikanal Synoptic Observations  -- K. R. Sivaraman 149-153
Session III – Sunspots & Solar Cycle  
Sunspot Groups as Tracers of Sub-surface Processes -- M. H. Gokhale 155-160
The Large-scale Magnetic Field and Sunspot Cycles -- V. I. Makarov & A. G. Tlatov 161-162
Cyclic Evolution Sunspots: Gleaning New Results from Old Data -- S. K. Solanki, M. Fligge, P. Pulkkinen & P. Hoyng 163-165
22-year Periodicity in the Solar Differential Rotation -- J. Javariah 167-170
Is a Sunspot in Static or Dynamic Equilibrium?  -- P. Venkatakrishnan 171-172
Periodic Variation of the North-South Asymmetry of Solar Activity Phenomena -- V. K. Verma 173-176
Session IV – Filaments & Coronal Structures  
Solar Filaments as Tracers of Sub-surface Processes  -- D. M. Rust 177-183
Coronal Structures as Tracers of Sub-surface Processes -- A. A. Pevtsov & R. C. Canfield 185-192
Polar Magnetic Field Reversals of the Sun in Maunder Minimum -- V. I. Makarov & A. G. Tlatov 193-196
Periodic Variations in the Coronal Green Line Intensity and their Connection with the White-Light Coronal Structures  -- M. Minarovjech, M. Rybanský & V Rušin 197-200
Long-term Cyclic Variations of Prominences, Green and Red Coronae over Solar Cycles -- V. Rusin, M. Minarovjech & M. Rybanský 201-204
Large-scale Motion of Solar Filaments -- P. Ambroz & Alfred Schroll 205-208
The Magnetic Sun from Different Views: A Comparison of the Mean and Background Magnetic Field Observations made in Different Observatories and in Different Spectral Lines -- M. L. Demidov 209-212

Session V – Vector Magnetic Fields, Prominences, CMEs & Flares

 
Vector Magnetic Fields, Sub-surfaces Stresses and Evolution of Magnetic Helicity -- R. C. Canfield & A. A. Pevtsov 213-220
Cyclical Variability of Prominences, CMEs and Flares -- J. L. Ballester 221-227
Analysis of the 9th November 1990 Flare  -- A. Joshi & Wahab Uddin 229-232
A Rapidly Evolving Active Region NOAA 8032 Observed on April 15th 1997 -- Shibu K. Mathew & Ashok Ambastha 233-236

Low Frequency Radio Emission from the 'Quiet Sun' -- R. Ramesh

237-240
Stokes Polarimetry at the Kodaikanal Tower Tunnel Telescope -- K. Sankarasubramanian, G. Srinivasulu, A. V. Ananth & P. Venkatakrishnan 241-244

Twist of Magnetic Fields in Solar Active Regions -- H. Zhang, L. Tian S. Bao & M. Zhang

245-247
The Photospheric Flow near the Flare Locations of Active Regions -- Debi Prasad Choudhary 249-250
Solar Energetic Particle Events at the Rise Phase of the 23rd Solar Activity Cycle Registered Aboard the Spacecraft 'INTERBALL-2' -- V. E. Timofeev & S. A. Starodubtsev 251-254
An Operator Perturbation Method of Polarized Line Transfer V. Diagnosis of Solar Weak Magnetic Fields -- K. N. Nagendra, H. Frisch, M. Faurobeet-Scholl & F. Paletau 255-258
On the Possibility of Radio Emission from Quasi-parallel and Quasi-perpendicular Propagation of Shocks -- A. Shanmugaraju & S. Umapathy 259-262
Emergence of Twisted Magnetic Flux Related Sigmoidal Brightening -- K. Sundara Raman, K. B. Ramesh, R. Selvendran, P. S. M. Aleem & K. M. Hiremath 263-264
Tessellation of SoHO Magnetograms -- R. Srikant & Jagdev Singh 265-268
Parametric Study of Molecular Line Polarization in the Solar Atmosphere -- K. E. Rangarajan & D. Mohan Rao 269
Relationship of Non-potentiality and Flaring: Intercomparison for an M-class Flare -- Ashok Ambastha & Shibu K. Mathew 271-274
Session VI – Flux Tubes & Irradiance Variability    
Properties of Flux Tubes and the Relation with Solar Irradiance Variability  -- M. Fligge & S. K. Solanki 275-282
Dynamical Processes in Flux Tubes and their Role in Chromospheric Heating -- S. S. Hasan 283-287
Infrared Photometry of Solar Active Regions -- M. Sobotka, M. Vázquez, M. S. Cuberes, J. A. Bonet & P. Hanslmeier 289-292
CaII K Imaging to Understand UV Irradiance Variability  -- R. Kariyappa 293-297
Models of Flux Tubes from Constrained Relaxation -- A. Mangalam & V. Krishan 299-302
The Hemisphere Sign Rule of Current Helicity During the Rising Phase of Cycle 23 -- S. D. Bao, G. X. Ai & H. Q. Zhang 303-306
Session VII – Magnetoconvection & Stellar Activity   
Magnetoconvection and the Solar Dynamo -- A. Nordlund, S. B. F. Dorch & R. F. Stein 307-313
Large-scale Flow and Transport of Magnetic Flux in the Solar Convection Zone -- P. Ambroz 315-318
The Space Stellar Photometry Mission COROT: Asteroseismology and Search for Extrasolar Planets -- Annie Baglin, G. Vauclair the COROT Team 319-322
Session VIII – Helioseismology  
Helioseismology and the Solar Interior Dynamics  -- S. Vauclair 323-329
Perspectives on the Interior of the Sun  -- S. M. Chitre 331-337
Seismic Tomography of the Near Solar Surface  -- L. Gizon, T. L. Duvall Jr. & R. M. Larsen 339-342
Helioseismic Search for Magnetic Field in the Solar Interior -- H. M. Antia, S. M. Chitre & M. J. Thompson 343-347
Helioseismic Solar Cycle Changes and Splitting Coefficients -- S. C. Tripathy, Kiran Jain & A. Bhatnagar 349-352
Temporal Variation of Large Scale Flows in the Solar Interior -- S. Basu & H. M. Antia 353-356
Observation of Hysteresis Between Solar Activity Indicators and p-mode Frequency Shifts for Solar Cycle 22  -- S. C. Tripathy, B. Kumar, K. Jain & A. Bhatnagar 357-360
Non-radial Oscillations in an Axisymmetric MHD Incompressible Fluid -- A. Satya Naraynan 361-364
Session IX – Dynamo Mechanisms  
Mechanism of Cyclically Polarity Reversing Solar Magnetic Cycle as a Cosmic Dynamo -- H. Yoshimura 365-371
The Current Status of Kinematic Solar Dynamo Models -- A. R. Choudhuri 373-377
Solar Internal Rotation and Dynamo Waves: A Two-dimensional Asymptotic Solution in the Convection Zone -- G. Belvedere, K. Kuzanyan & D. Sokoloff 379-380
The Role of Magnetic Buoyancy in a Babcock-Leighton Type Solar Dynamo -- D. Nandy & A. R. Choudhuri 381-385
Alpha Effect, Current and Kinematic Helicities for Magnetically Driven Turbulence, and Solar Dynamo -- G. Belvedere, V. V. Pipin & G. Rüdiger 387-388
Session X – Cycle Variation in the Quiet Corona & Coronal Holes  
Cyclical Variation of the Quiet Corona and Coronal Holes -- T. Sakurai 389-395
The EUV Spectrum of Sunspot Plumes Observed by SUMER on SOHO -- W. Curdt, B. N. Dwivedi & U. Feldman 397-401
Exploring Coronal Structures with SOHO  -- M. Karovska, B. Wood, J. Chen, J. Cook & R. Howar 403-406
Electron Density and Temperature Measurements and Abundance Anomalies in the Solar Atmosphere -- A. Mohan, B. N. Dwivedi & E. Landi 407-411
Microwave Enhancement in Coronal Holes: Statistical Properties -- N. Gopalswamy, K. Shibasaki & M. Salem 413-417
The Enhanced Coronal Green Line Intensity and the Magnetic Field Gradients -- K. B. Ramesh, B. S. Nagabhushan & B. A Varghese 419-420
Multibaseline Observations of the Occultation of the Crab Nebula by the Solar Corona at Decameter Wavelengths -- K. R. Subramanian 421-422
Session XI – Solar Wind & Interplanetary Magnetic Fields  
Solar Wind Variation with the Cycle -- I. Veselovsky, A. V. Dmitriev, A. V. Suvorova & M. V. Tarsina 423-429
Heliospheric Magnetic Fields, Energetic Particles and the Solar Cycle -- P. Király 431-437
Remote Sensing of the Heliospheric Solar Wind using Radio Astronomy Methods and Numerical Simulations -- S. Ananthakrishnan 439-444
Tomography of the Solar Wind Using Interplanetary Scintillation -- D. Oberoi & A. P. Rao 445-446
Ulysses Observations of Nonlinear Wave-wave Interactions in the Source Regions of Type III Solar Radio Bursts -- G. Thejappa & R. J. MacDowall 447-450
Session XII – Conclusion  
Summary Lecture -- J. O. Stenflo 451-457
List of Participants  459-461
Author Index  463-467
Subject Index 469-475