Eastern Anatolia Observatory Mirror Arrived

DAG Erzurum
DAG Erzurum

The cargo plane, which took off from Moscow, the capital of Russia, landed safely at Erzurum Airport with special care and accompanied by a team. Ataturk University Rector Prof. Dr. Ömer Çomaklı told reporters in front of the plane carrying the mirror that the 2023 vision project was carried out successfully despite the difficult conditions.

Reminding that the telescope of the observatory had arrived before, Çomaklı said:

“The most important piece of the Eastern Anatolia Observatory came from Moscow. The establishment process of DAG is successfully carried out by the Astrophysics Research and Application Center, despite the geographical and atmospheric working conditions, especially the pandemic conditions. Optical tests of the 4-meter diameter mirror of the telescope in Russia were carried out in Moscow with the participation of the DAG technical team and they passed the tests successfully. ”

Çomaklı stated that they have completed the preparations on the road to transport Turkey's largest telescope mirror by land, and expressed that they are very excited to be moving towards the end of such an important project that can contribute to every field in which Turkey puts its claim.

M3 unit above mirror cell in AMOS
M3 unit above mirror cell in AMOS

Noting that the DAG telescope installation was nearly 90 percent completed with the devoted efforts of both domestic and foreign technical team and workers, Çomaklı said, “Thanks to the special measures taken at the DAG campus in order to prevent the spread of the pandemic, it was also effective that no coronavirus cases were experienced in the smooth progress of this process. The construction of the campus still continues despite the weather conditions in Erzurum. As at every stage of the installation process, mechanical, electrical-electronic, vibration, optics and software tests will be carried out when it is completed, and we aim to receive the light by the end of 2022, maybe in the third quarter of the year.” he said.

Çomaklı said that he had emotional moments when the plane arrived and said:

“It's impossible not to get emotional. As an Erzurum citizen, we were happy that an important project took place in Erzurum. It also made me happy that the most important of our country's 2023 vision projects was carried out by our university, coinciding with my term as the rector. Cahit and I have worked hard for this for 8 years. The mirror was actually the last link of this and it is the most sensitive part. If something happens to him, he will throw us back 4-5 years. We brought it safely, we went through a lot of difficulties. Landed at the airport, which made us happy. The current cost of this project is 1 billion 100 million Turkish Liras. This shows that Turkey is a big and powerful country.”

Director of the University's Astrophysics Research and Application Center (ATASAM) and DAG Project Coordinator Prof. Dr. Cahit Yeşilyaprak also gave information about the technical features of the mirror and said:

DAG Erzurum Mirror
DAG Erzurum Mirror

“It was sent to Russia to be coated with a diameter of 4 meters, especially sensitive to infrared observations. It is a delicate condition and a 1 micron thick coating has been applied on it. That's where the sensitivity comes from. It weighs about 4,7 tons. It has a stretchable feature because it somehow has certain properties to eliminate the turbulence effect in the atmosphere by knowing certain deformations on the mirror surface according to atmospheric conditions. Therefore, it is the most sensitive, thinnest and most advanced coated mirror in the world.”

Observation in the Infrared Zone

Yeşilyaprak stated that the DAG telescope is the most technological telescope in its class and said that this device is the only telescope in the 3 meter class that has 4 optical features together.

Emphasizing the importance of the DAG telescope because of these features, Yeşilyaprak said, “The low level of moisture repair in Erzurum's atmosphere, that is, the coldness, was the main feature that would provide us with the conditions for observing in the infrared region. This was the reason why Erzurum was chosen. It will be able to travel at a speed of 30 kilometers on the highway. Then after crossing the mountain road, it will be at a speed of 10 kilometers per hour. It totally depends on the weather conditions, but we plan to finish this job in 4-5 hours.” he said.

Yeşilyaprak thanked those who supported them during this process.

us Fizikhaber As his family, we congratulate all our colleagues and those who contributed to this wonderful project.

Source: AA

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