IAO 1998, Наблюдения — Задача 1. The Sun in optical and radio range
III International Astronomy Olympiad
Условие
With the help of a school telescope examine and draw the details visible on the Sun's disk. Mark the cardinal points on your drawing.
Identify the details of your drawing with the details of the one-dimensional radio profiles of the Sun obtained in the previous days by RATAN-600. Mark them by the corresponding letters.
The radio observations were carried out at noon, the knife beam was directed vertically and covered all the Sun's disk.
Решение
Example supplied in the archive, dated 23 October 1998:
The supplied radio profiles are annotated with the corresponding A, B, C and D features and their projected motion:
Оригинал в Архива: en2.jpg · официални решения: obssol.jpg · допълнителни данни: obs.jpg