USAAAO 2022, I кръг — Задача 8

USAAAO 2022 - First Round · 5 февруари 2022 г.

Условие

An exoplanet was observed during its transit across the surface of a bright star. Estimate the variation of the apparent magnitude ($\Delta$m) of the star caused by exoplanet’s transit. During the transit, assume an Earth-based astronomer observes that the area covered by the exoplanet on the projected surface of the star represents $\eta = 2\%$ of the star’s projected surface.

(a) -4.247

(b) 0.003

(c) 0.022

(d) 0.679

(e) -0.003

Отговори

Решение

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Оригинал в Архива: usaaao_first_exam_2022_problems.pdf · официални решения: usaaao_first_exam_2022_solutions-1.pdf