IAO 2017, Наблюдения, Групи α и β — Задача 9. α Peg (Markab)

XXII International Astronomy Olympiad · Observational round. Questions · Clear sky · 27 октомври 2017 г. · 10 т.

Условие

You are provided with a small telescope (80EQ). (Focal length of the telescope: $F = 900\ \mathrm{mm}$; focal length of the eyepiece: $f = 20\ \mathrm{mm}$, and apparent field of view: $\mathrm{aFoV} \approx 40^{\circ}$). Target and center the telescope on a bright star Markab ($\alpha$ Peg), which magnitude is $2.5^m$. Then observe for the second bright star, HIP 114031, in the field of view (FoV).

9.1. Right is the FoV of the telescope. Plot the position of HIP 114031 relative to $\alpha$ Peg, and mark the directions by Latin letters N, S, E, W (North, South, East and West respectively). [5 т.]

9.2. Estimate the angular distance between these two stars. [3 т.]

9.3. Estimate the magnitude of HIP114031. [2 т.]

Отговори

Решение

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Оригинал в Архива: obs.pdf · официални решения: obssol.pdf