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Rovero, A.C.; Ringegni, P.; Vallejo, G.; Supanitsky, A.D.; Actis, M.; Botani, A.; Ochoa, I.; Hughes, G. "Design of a 7m Davies-Cotton Cherenkov telescope mount for the high energy section of the Cherenkov Telescope Array" (2013) Experimental Astronomy. 36(1-2):223-234
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Abstract:

The Cherenkov Telescope Array is the next generation ground-based observatory for the study of very-high-energy gamma-rays. It will provide an order of magnitude more sensitivity and greater angular resolution than present systems as well as an increased energy range (20 GeV to 300 TeV). For the high energy portion of this range, a relatively large area has to be covered by the array. For this, the construction of ∼7 m diameter Cherenkov telescopes is an option under study. We have proposed an innovative design of a Davies-Cotton mount for such a telescope, within Cherenkov Telescope Array specifications, and evaluated its mechanical and optical performance. The mount is a reticulated-type structure with steel tubes and tensioned wires, designed in three main parts to be assembled on site. In this work we show the structural characteristics of the mount and the optical aberrations at the focal plane for three options of mirror facet size caused by mount deformations due to wind and gravity. © 2013 Springer Science+Business Media Dordrecht.

Registro:

Documento: Artículo
Título:Design of a 7m Davies-Cotton Cherenkov telescope mount for the high energy section of the Cherenkov Telescope Array
Autor:Rovero, A.C.; Ringegni, P.; Vallejo, G.; Supanitsky, A.D.; Actis, M.; Botani, A.; Ochoa, I.; Hughes, G.
Filiación:Instituto de Astronomía y Física del Espacio (CONICET-UBA), Buenos Aires, Argentina
Unidad de Investigación y Desarrollo GEMA, Ingeniería Aeronáutica (UNLP), Buenos Aires, Argentina
Deutsches Elektronen-Synchrotron (DESY), Zeuthen, Germany
Palabras clave:CTA; Gamma-rays; Imaging atmospheric Cherenkov telescope; Telescope aberrations; Telescope mechanical mount; Telescope optics
Año:2013
Volumen:36
Número:1-2
Página de inicio:223
Página de fin:234
DOI: http://dx.doi.org/10.1007/s10686-013-9333-6
Título revista:Experimental Astronomy
Título revista abreviado:Exp. Astron.
ISSN:09226435
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09226435_v36_n1-2_p223_Rovero

Referencias:

  • Actis, M., Diseño de montura Davies-Cotton de telescopio Cherenkov de 6m de diámetro para el proyecto (2010) CTA. BAAA, 53, pp. 207-210
  • Actis, M., Design concepts for the Cherenkov Telescope Array: an advanced facility for ground-based high-energy gamma-ray astronomy (2011) Exp. Astron., 32, pp. 193-316
  • Bretz, T., (2011) Status of the first G-APD Cherenkov telescope (FACT), 9, pp. 202-205. , In: 32nd ICRC
  • Lewis, D.A., Optical characteristics of the whipple observatory TeV gamma-ray imaging telescope (1990) Exp. Astron., 1, pp. 213-236
  • Rovero, A.C., (2011) Optical performance related to mechanical deformations of a Davies-Cotton mount for the high energy section of the Cherenkov Telescope Array, 9, pp. 46-49. , In: 32nd ICRC
  • Schliesser, A., Mirzoyan, R., Wide-field prime-focus imaging atmospheric Cherenkov telescopes: a systematic study (2005) Astropart. Phys., 24, pp. 382-390
  • Vassiliev, V., Fegan, S.J., Brousseau, P., Wide field aplanatic two-mirror telescopes for ground-based gamma-ray astronomy (2007) Astropart. Phys., 28, pp. 10-17
  • White, R., (2011) Telescopes for the high energy section of the Cherenkov Telescope Array, 9, pp. 58-61. , In: 32nd ICRC

Citas:

---------- APA ----------
Rovero, A.C., Ringegni, P., Vallejo, G., Supanitsky, A.D., Actis, M., Botani, A., Ochoa, I.,..., Hughes, G. (2013) . Design of a 7m Davies-Cotton Cherenkov telescope mount for the high energy section of the Cherenkov Telescope Array. Experimental Astronomy, 36(1-2), 223-234.
http://dx.doi.org/10.1007/s10686-013-9333-6
---------- CHICAGO ----------
Rovero, A.C., Ringegni, P., Vallejo, G., Supanitsky, A.D., Actis, M., Botani, A., et al. "Design of a 7m Davies-Cotton Cherenkov telescope mount for the high energy section of the Cherenkov Telescope Array" . Experimental Astronomy 36, no. 1-2 (2013) : 223-234.
http://dx.doi.org/10.1007/s10686-013-9333-6
---------- MLA ----------
Rovero, A.C., Ringegni, P., Vallejo, G., Supanitsky, A.D., Actis, M., Botani, A., et al. "Design of a 7m Davies-Cotton Cherenkov telescope mount for the high energy section of the Cherenkov Telescope Array" . Experimental Astronomy, vol. 36, no. 1-2, 2013, pp. 223-234.
http://dx.doi.org/10.1007/s10686-013-9333-6
---------- VANCOUVER ----------
Rovero, A.C., Ringegni, P., Vallejo, G., Supanitsky, A.D., Actis, M., Botani, A., et al. Design of a 7m Davies-Cotton Cherenkov telescope mount for the high energy section of the Cherenkov Telescope Array. Exp. Astron. 2013;36(1-2):223-234.
http://dx.doi.org/10.1007/s10686-013-9333-6