The Visibility Function and Its Effect on the Observed Characteristics of Sunspot Groups. 6. Various Types of Diagrams Derived from Minnaert's Classical Diagram
Abstract
A threedimensional model of Minnaert's diagram has been constructed by developing it in time. It is proved that Minnaert's classical diagram and the diagram of observational conditions of sunspot groups can be generated by projecting the threedimensional model of Minnaert's diagram into two fundamental planes, whereas the projection into the third plane creates a new diagram referred to as the diagram of boundaries of observable sunspot group areas. The threedimensional model of Minnaert's diagram was also used to establish the relation between Minnaert's modified diagram and the modified diagram of observational conditions of sunspot groups if observations are made once every 24 hours.
 Publication:

Bulletin of the Astronomical Institutes of Czechoslovakia
 Pub Date:
 November 1987
 Bibcode:
 1987BAICz..38..344K
 Keywords:

 Astronomical Models;
 Sunspots;
 Diagrams;
 Solar Magnetic Field;
 Three Dimensional Models;
 Visibility;
 Solar Physics