IAO 1998, Теория, 16–18 години — Задача 6

III International Astronomy Olympiad

Условие

Same as for the 14–16 years old students.

In the elliptical galaxy M32 (a satellite of the Andromeda Galaxy) there are about 250 million stars. The galaxy's visual brightness is of $9\,\mathrm{mag}$. If we assume that all stars there have equal luminosities, what would be the visual magnitude of one of the stars in the galaxy?

Решение

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Оригинал в Архива: en1.jpg · официални решения: theosol.jpg