IOAA 2018, Наблюдения — Задача 4. O4

12th International Olympiad on Astronomy and Astrophysics — Observational Competition and Mountain Team Competition · 20 т.

Внимание: Бележка към темата

The archive includes separate suggested KOR corrections. O4 changes the accepted constellation; O5 proposes 1.7° while the final night key prints 1.8°. Both versions and their original scoring are retained. The Mountain task has no supplied key.

Условие

Day — Instructions

  1. This part of the contest consists of 4 problems, is 1 hour long and is worth a total of 100 points.

  2. Only blue pen should be used to fill in the answer boxes, draw and mark on the star chart.

  3. You are not allowed to leave your working desk without permission. If you need any assistance (malfunctioning calculator, need to visit a restroom, etc.), please put up your hand to signal the supervisor.

  4. The beginning and end of the competition will be indicated by a long sound signal.

  5. Wait at your table until your envelope is collected. Once all envelopes are collected, your student guide will escort you out of the competition area.

Figures 4.1 – 4.4 are four photos of Messier objects. For each of them, please write down the Messier catalogue number and name the constellation where it is located.

Black-and-white photograph of an irregular, roughly oval nebula made of bright tangled filaments over a diffuse glow, on a dark background with scattered stars.
Figure 4.1
Black-and-white photograph of an edge-on galaxy: a bright elongated central bulge crossed by a thin dark lane, on a dark background with scattered stars.
Figure 4.2
Black-and-white photograph of a roughly round nebula with two brighter lobes separated by a narrow waist, in a dense field of stars.
Figure 4.3
Tall black-and-white photograph of a large bright emission nebula with a dark intrusion at its upper left, a smaller separate nebulosity above it, and several bright stars below it, in a star field.
Figure 4.4

Решение

Оригинал в Архива: Observational Problems.pdf · официални решения: 18_obs_day_sol.pdf · допълнителни данни: 18_obs_night_sol.pdf · допълнителни данни: IOAA-Observation.zip / IOAA-Observation/Suggestion by KOR/IOAA2018 Observational Solution (Day)_correction.docx · допълнителни данни: IOAA-Observation.zip / IOAA-Observation/Suggestion by KOR/IOAA2018 Observational Solution(Night-Cloudy)_correction.docx · допълнителни данни: IOAA-Observation.zip / IOAA-Observation/Suggestion by KOR/Readme_correction.docx · допълнителни данни: 18_team.pdf