Towards the Eurasian Submillimeter Telescope (ESMT): Telescope Concept Outline and First Results

Marchiori, Gianpietro; Rampini, Franceso; Tordi, Massimiliano; M., Spinola,; Bressan, Riccardo

doi:10.26119/978-5-6045062-0-2_2020_378

Cited by 9 publications

(6 citation statements)

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“…The main result of the article is the presented development of an extensive range of cryogenic astronomical equipment for different observatories. Based on these developments of both optical (photonic) and radio-astronomical (electronic) equipment, a new project by the authors of the article is being built to develop receiving equipment in the intermediate terahertz range for new telescopes that are expected to be built in northeastern Eurasia (the Caucasus and Siberia in Russia [71], Uzbekistan [72], and China [73]), or, for example, within the framework of the EHT project expansion program [74]. These observatories will be certainly equipped with cryogenic receivers based on the experience described in the article, and there is a close collaboration with international teams involved in the development of the above-listed observatories.…”

Section: Discussionmentioning

confidence: 99%

Development of Cryogenic Systems for Astronomical Research

Balega,

Bolshakov,

Chernikov

et al. 2024

Photonics

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The article presents a brief review of cooling systems that ensure various temperature levels (from 0.1 K to 230 K) for radio astronomical receivers of photonic and electronic (or optical and radio) devices. The features of various cooling levels and the requirements for the design of the cooling systems are considered in detail, as well as the approaches to designing interfaces for cooled receivers: vacuum, cryogenic, electrical, mechanical, optical, and other interfaces required for effective operation. The presented approaches to design are illustrated by a series of joint developments of the authors carried out over the past 45 years, including those produced over the past year.

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Section: Discussionmentioning

confidence: 99%

Development of Cryogenic Systems for Astronomical Research

Balega,

Bolshakov,

Chernikov

et al. 2024

Photonics

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“…The well-developed, closed, thermostable high modulus carbon fiber reinforced polymer truss structure preserves its shape, while all its dimensions increase proportionally. Mechanical and thermal modeling performed inEIE Group has shown the possibility of such a scaling for the antenna diameter up to 20-21 m [6].The expected accuracy of the surface of the main mirror is not worse than 25 µm (RMS) for a diameter of 21 m and 15 µm (RMS) for a diameter of 15 m. The upper frequency band for such a telescope inthe best Tibet atmospheric conditionsis 1.5 THz (Ali2), 0.95 THz(Ali1), 0.85 THz (Yangbajing). Expected PWV and transmission for Yangbajing site in comparison with Atacama desertsites, Mauna Kea and Summit Campgiven in the Table 2 for 0.86 THz and 1.5 THz were taken from [7].…”

Section: Esmt Concept and Atmospheric Limitationsmentioning

confidence: 99%

Toward Eurasian SubMillimeter Telescopes: the Concept of Multicolor SubTHz MKID-Array Demo Camera MUSICAM and its Instrumental Testing

Duan

Хайкин

Lebedev

et al. 2020

2020 7th All-Russian Microwave Conference (RMC)

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New challenges in submillimeter wave astronomy require instruments with a combination of high sensitivity andangular resolution, wide field of view and multiwave (multicolor)spectral range. New large single mm/submm telescopes are in high demand, as well as their inclusion in the global Event Horizon Telescope (EHT) VLBI network. At the same time, there are no large mm/submm telescopes in Asia at allwhile appropriate sites exist and their appearance in Asia or Eurasia is long overdue.Kinetic inductance detectors (KID) are ideal for large-format array implementation, which will be necessary for future telescope development. Concept of multicolor subTHzKID-array MUSICAM demo camera and its instrumental testing is given. It allows us to perform some necessary steps toward the creation of the Eurasian SubMillimeter Telescopes (ESMT), which concept and scientific tasks are presented as well.

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“…Within the framework of this project, it is planned to build three structurally identical multibeam Millimeter / Submillimeter (MM / SUBMM) telescopes in Uzbekistan (above 2400 m), in the Russian Federation (above 3000 m) and in Tibet, China (above 5000 m). 1,2 The low values of the precipitable water vapor correspond to favorable astroclimatic conditions for Millimeter / Submillimeter observations. In particular, specific absorption is weak when values of precipitable water vapor is low.…”

Section: Introductionmentioning

confidence: 99%