IOAA is designed to be a truly international organization on Astronomy and Astrophysics competitions. The organization is run by an international committee, whose members are elected from international members of the organization.
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The purpose of IOAA is to promote interests and educations on astronomy
and astrophysics of high school students. By participating in the
competitions, students will have opportunities to meet fellow students
of the same interests and make friends. This will lead to good
understandings among countries and hence collaboration in future
researches.
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IOAA organizes a yearly competition on astronomy and astrophysics for high school students. Each member "country" takes turn to host this event. The first one will be in Thailand, the second one in Indonesia, and the third one in Iran.
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The Promotion of Academic Olympiads and Development of Science Education Foundation
under the Patronage of Her Royal Highness Princess Galyani Vadhana, in cooperation with Ministry of Education, Chiang Mai University, National Astronomical Research Institute of Thailand, and the Thai Astronomical Society, would like to welcome everyone to the 1st International Olympiad on Astronomy and Astrophysics 2007, held in Chiang Mai, Thailand on 30 November to 9 December 2007, to commemorate His Majesty the King's 80th Birthday Anniversary and Her Royal Highness Princess Galyani Vadhana's 84th Birthday Anniversary.
There are 21 participating countries/regions. Here is the official list.
Student contestants stay at the UNISERV, Chiang Mai University. Leaders and observers stay at Lotus Pang Suan Kaew Hotel, situated on Huay Kaew Road, 2 kilometres from Chiang Mai University. Transportation is pre-arranged for participants.
Chiang Mai is usually regarded by Thais as one of the most pleasant provinces to live in, especially in wintry December. We hope everyone enjoy their stays here.
Student contestants take both theory and practical examination papers. The latter consists of two parts: observation and data analysis.
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There are 17 gold medalists, 20 silver medalists, 16 bronze medalists, and 14 honorable mentions. Unlike in athletic olympiads, students did not compete with one another, but only with themselves. A gold, silver, or bronze medal was awarded to a student when his or her score exceeds or equals to one of the cutoffs. (A cutoff is a minimum score required to receive a gold, silver, or bronze medal.) The mean of the 3 highest marks is taken as 100%. The cutoffs are >90%, 79%-90%, and 65%-78% for gold, silver, and bronze, respectively.
Medalists
| Rank | Country | Name | Medal |
| 1 | Thailand | Suwun Suwunnarat | Gold |
| 2 | Thailand | Chayanon Ruamcharoen |
| 3 | China | Zheng Liu |
| 4 | Romania | Vilmos Loo |
| 5 | India | Mehul Jain |
| 6 | Poland | Tomasz Smolenski |
| 7 | Thailand | Punnawit Khongphithakskul |
| 8 | Iran | Erfan Esmaeili Fakhabi |
| 9 | India | Akshay Subramaniam |
| 10 | Slovakia | Robert Barsa |
| 11 | Ukraine | Maksym Sydorenko |
| 12 | Korea | Ji Seop Oh |
| 13 | Azerbaijan | Orxan Karimov |
| 14 | Indonesia | Lorenz Van Gugelberg Da Silva |
| 15 | Poland | Przemyslaw Bienias |
| 16 | India | Soumyashant Nayak |
| 17 | China | Shuang Wang |
| 18 | Brazil | Thomas Ferreira de Lima | Silver |
| 19 | Romania | Nicu David Serban |
| 20 | Singapore | Kia Boon Ng |
| 21 | Thailand | Sirawit Surapurk |
| 22 | Belarus | Sergey Malyutin |
| 23 | China | Haonan Ma |
| 24 | Ukraine | Illia Levandovskyi |
| 25 | Poland | Szymon Jedrzejewski |
| 26 | Poland | Witold Swiatkowski |
| 27 | Korea | Jong-Suk Won |
| 28 | Thailand | Theerasit Issaranon |
| 29 | Lithuania | Airidas Korolkovas |
| 30 | Azerbaijan | Mirnahid Mammedzada |
| 31 | Poland | Piotr Polesiuk |
| 32 | Romania | Miruna Oprescu |
| 33 | China | Junmin Liang |
| 34 | Belarus | Yury Aheichyk |
| 35 | Indonesia | Rizky Rahmayanti |
| 36 | Korea | Hyun Rok Lee |
| 37 | Indonesia | Muhammad Iqbal Bakti Utama |
| 38 | Indonesia | Sulistiyowati | Bronze |
| 39 | Brazil | Julio Cesar Neves Campagnolo |
| 40 | Belarus | Yauheni Dounar |
| 41 | Korea | Yoonsoo Nam |
| 42 | Iran | Abbas Alizadeh |
| 43 | Belarus | Ryhor Ivanou |
| 44 | Singapore | Rongen Soh |
| 45 | Korea | Suho Lee |
| 46 | China | Jinao Zhang |
| 47 | Greece | Georgios Moulantzikos |
| 48 | Iran | Rouhollah Jahandeh |
| 49 | Iran | Babak Naghi Zadeh Safa |
| 50 | Belarus | Aliaksei Halavanau |
| 51 | Iran | Mohammad Mehdi Mohaveri |
| 52 | Lithuania | Vytis Kapocius |
| 53 | Slovakia | Miroslav Kubala | Honorable Mention |
| 54 | Ukraine | Vitalii Breus |
| 55 | Lithuania | Romas Davidonis |
| 56 | Indonesia | Janu Kusuma |
| 57 | Sri Lanka | Bungiriye Devinda Shameera Muthusinghe |
| 58 | Romania | Traian Cornel Turcu |
| 59 | Singapore | Ming Yuan Derek Low |
| 60 | Sri Lanka | Chamitha Mahendra Rathnayake |
| 61 | Singapore | Dong Wei Lee |
| 62 | Myanmar | Chien-San Lien |
| 63 | Ukraine | Mikola Britavskiy |
| 64 | Bolivia | Gabriela Guzman |
| 65 | Sri Lanka | Galabada Dewage Ashan Ariyawansa |
| 66 | Ukraine | Denys Lavreniuk |
| 67 | Romania | Tudor Cristian Turcu |
Best Team
THAILAND
Absolute Winner
THAILAND: Suwun Suwunnarat
Best in Theory
POLAND: Tomasz Smolenski
Best in Practical
CHINA: Shuang Wang
Most Creative Solution in Theory
INDIA: Mehul Jain
AZERBAIJAN: Orxan Karimov
Histograms
Each histogram shows the distribution of students into each score interval. The vertical axis tells the number of students. Numbers along the horizontal axis represent the intervals. "0" is "0–1" (or "0–2" for the last two histograms) and so forth.
Practical Examination: Observation
Practical Examination: Data Analysis
Theoretical Examination
Overall
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