The DAG project, a 4m class telescope: the telescope main structure performances

G. Marchiori; A. Busatta; L. Ghedin; E. Marcuzzi; C. Manfrin; C. Battistel; O. Pirnay; Carlo Flebus; C. Yeşilyaprak; O. Keskin; S. Yerli

doi:10.1117/12.2234946

27 July 2016 The DAG project, a 4m class telescope: the telescope main structure performances

G. Marchiori, A. Busatta, L. Ghedin, E. Marcuzzi, C. Manfrin, C. Battistel, O. Pirnay, Carlo Flebus, C. Yeşilyaprak, O. Keskin, S. Yerli

Author Affiliations +

Proceedings Volume 9906, Ground-based and Airborne Telescopes VI; 990662 (2016) https://doi.org/10.1117/12.2234946
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

Dogu Anatolu Gözlemevi (DAG-Eastern Anatolia Observatory) Project is a 4m class optical, near-infrared Telescope and suitable enclosure which will be located at an altitude of ~3.170m in Erzurum, Turkey. The DAG telescope is a project fully funded by Turkish Ministry of Development and the Atatürk University of Astrophysics Research Telescope - ATASAM. The Project is being developed by the Belgian company AMOS (project leader), which is also the optics supplier and EIE GROUP, the Telescope Main Structure supplier and responsible for the final site integration. The design of the Telescope Main Structure fits in the EIE TBO Program which aims at developing a Dome/Telescope systemic optimization process for both performances and competitive costs based on previous project commitments like NTT, VLT, VST and ASTRI. The optical Configuration of the DAG Telescope is a Ritchey-Chretien with two Nasmyth foci and a 4m primary thin mirror controlled in shape and position by an Active Optic System. The main characteristics of the Telescope Main Structure are an Altitude-Azimuth light and rigid structure system with Direct Drive Systems for both axis, AZ Hydrostatic Bearing System and Altitude standard bearing system; both axes are equipped with Tape Encoder System. An innovative Control System characterizes the telescope performance.

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G. Marchiori, A. Busatta, L. Ghedin, E. Marcuzzi, C. Manfrin, C. Battistel, O. Pirnay, Carlo Flebus, C. Yeşilyaprak, O. Keskin, and S. Yerli "The DAG project, a 4m class telescope: the telescope main structure performances", Proc. SPIE 9906, Ground-based and Airborne Telescopes VI, 990662 (27 July 2016); https://doi.org/10.1117/12.2234946

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KEYWORDS

Telescopes

Computer programming

Control systems

Finite element methods

Telecommunications

Error analysis

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