Reports on Astronomy

Individual Reports of Divions/Commissions & Working Groups.- Commissions of the Executive Committee.- 5 Documentation & astronomical Data.- 14 Atomic & molecular data.- 38 Exchange of astronomers.- 46 Teaching of astronomy.- 50 Protection of existing & potential observatory sites.- Working Groups of the Executive Committee.- WG Encouraging the International Development of Antarctic Astronomy.- WG Planetary system nomenclature.- WG World wide Development of Astronomy.- WG Future Large Scale Facilities.- Divisions.- I Fundamental Astrometry.- 4 Ephemerides.- 8 Positional astronomy.- 19 Rotation of the Earth.- 24 Photographic astrometry.- 31 Time.- II Sun & Heliosphere.- 10 Solar activity.- 12 Solar radiation & structure.- 49 The interplanetary plasma & the heliosphere.- III Planetary system sciences.- 15 Physical study of comets, minor planets & meteorites.- 16 Physical study of planets & satellites.- 20 Position & motions of minor planets, comets & satellites.- 21 Light of the night sky.- 22 Meteors & interplanetary dust.- 51 Bioastronomy: search for extraterrestrial life.- Inter-Commission WG on the prevention of interlanetary pollution.- IV Stars.- 26 Double & multiple stars.- 29 Stellar spectra.- 35 Stellar constitution.- 36 Theory of stellar atmospheres.- 45 Stellar classification.- V Variable Stars.- 27 Variable stars.- 42 Close binary stars.- VI/34 Interstellar matter.- VII Galactic system.- 33 Structure & dynamics of the galactic system.- 37 Star clusters & associations.- VII Galaxies and the Universe.- 28 Galaxies.- 47 Cosmology.- IX Optical techniques.- 9 Instruments & techniques.- 25 Stellar photometry & polarimetry.- 30 Radial velocities.- X/40 Radio astronomy.- XI/44 Space and high energy astrophysics.- Commissions Not Attached to a Division.- 6 Astronomicaltelegrams.- 7 Celestial mechanics.- 41 History of astronomy.