IAO 2023, Наблюдения — Задача 8. Sky map.

XXVII International Astronomy Olympiad — Observational round

Observational round. Outdoor — Instructions

  1. This part of the observational round consists of 2 questions (#9 and #10).

  2. Your task is to observe several glowing screens (smartphones, tablets, LED panels, etc.) at a far distance.

  3. You have 6 minutes to work on #9, and 10 minutes on #10. You will hear signals for: #9 beginning, #9 ending, #10 beginning and #10 ending.

  4. Please do not touch the telescope before the beginning signals and after the ending signals. Please hand over your first answer sheet to telescope assistant instantly after #9 ends.

  5. Please use the telescope safely and correctly. Telescope assistant might stop your dangerous action. Any kind of misoperation, including disobedience on the rules or incorrect operation on telescope, might cause a negative effect on your score.

Условие

The figure shows the sky observed at some position on another planet on November 1st 2083 (Earth time), assuming that there is no atmosphere. On this date, this planet is in the constellation of Capricorn when observed from the Earth. There are some dim curves on the sky, which are the planet rings. The bright star at bottom right is the Sun. The North Pole on the sky of this planet is marked as a cross NP.

Sky map seen from another planet with the north pole NP marked
Observational round. Map 8.

8.1 What planet is this?

8.2 List six constellations (not more than six) which satisfy both the two conditions:

– the celestial equator of THIS planet passes through;

– the constellation should be above the horizon in the sky map.

8.3 Mark THREE satellites of this planet by circles on the map.

8.4 Mark the Earth on the map by symbol ⊕.

8.5 Mark the position of the Sun on Nov. 1st, 2088 on the map, by symbol ☉.

Note:

The official IAU names (in Latin), abbreviations and symbols will be accepted. Spelling mistakes will be tolerated. Not native names.

Points will be deducted for wrong answer, but no negative point will be applied.

Решение

Внимание: Непълно решение

В архива няма официално решение на тази задача.

Теми и трудност

Трудност: неоценена.

Небесна сфера и сферична астрономия · Слънчева система · Звездни карти и съзвездия · Свойства на планетите

Предпоставки: Разширена олимпиадна подготовка

Оригинал в Архива: obs.pdf