SAO 2020, Подбор за GeCAA · структурирани задачи — Задача 5. Practical

GeCAA Selection Test Structured Question Paper · 13 т.

Условие

The star chart below shows the night sky at 0000h local time on Sep 22, 2020 from Bogota, Colombia (UTC -5:00), which is at latitude 4.7110°N, 74.0721°W. Complete the questions on the following page, and write your answers on the star chart itself. Note that the size of stars and objects are scaled by their brightness in the night sky, with brighter objects appearing larger.

Circular all-sky star chart (horizon as the boundary circle, no directions marked) with the Milky Way as a faint band across the upper left. Three stars are marked with pointer lines and labels: SAO 191524 (a star right of the centre, label at upper right), SAO 232481 (a bright star lower right, label at right) and SAO 40186 (a bright star near the left edge, label at left).
Figure 2: Starchart

1. As a warm up, first label the cardinal directions (North South East West) on the boundary of the star chart (ie. Horizon). [1 т.]

2. Find the Summer Triangle (consisting of Deneb, Altair and Vega) and connect the three stars on the chart. [2 т.]

3. A few stars have been marked according to the SAO catalogue. Identify these objects by either their common names or their Bayer designations (for example, Aldebaran or α\alpha Tauri), and write your answers next to the respective SAO labels in the figure. [6 т.]

4. Find the Perseus Double Cluster, and the Small Magellanic Cloud in Figure 2 and mark each of them with a small hollow circle. [4 т.]

Решение

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