40. Radio Astronomy

Abstract

Thousands of papers in the field of radio astronomy have appeared during the last three years. Even simple enumeration of the major achievements will take much more space than it has been allocated to Commission 40. Therefore, taking into account the tendency of the previous years, much greater attention in the present report has been paid to the actual material and references (mainly of observational and methodological character). As to the interpretation of observations, much overlapping has occurred with Commissions 10 and 34. Solar radio astronomy had to be excluded from the report of Commission 40 in view of its practically complete overlapping with the report of Commission 10. Physical interpretation of insterstellar medium observations carried out by radio techniques during the three years has been included in the report of Commission 34. Even in this case we have been forced, as in the previous years, to introduce some additional abbreviations of the most widely used journals in the sections containing a great number of references. These abbreviations are given below.