Publication: MEGARA cryogenic system
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Publication Date
2013
Authors
Ferrusca, D.
Castillo, E.
Velázquez de la Rosa, M.
García-Vargas, M.L.
Gil de Paz, Armando
Carrasco, E.
Vílchez, J.M.
Sánchez-Moreno, F.M.
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Publisher
Instituto de Astronomía de la UNAM. Universidad Nacional Autónoma de México
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Abstract
MEGARA (Multi Espectrógrafo en GTC de Alta Resolución para Astronomía) is the new integral field unit (IFU) and multi-object spectrograph (MOS) instrument for the Gran Telescopio Canarias (GTC). The selected cryogenic device to harbor the CCD detector for the MEGARA spectrograph is a liquid nitrogen open-cycle cryostat. The LN2 open-cycle cryostat is a custom made product which has been designed by the INAOE astronomical instrumentation group. The proposed cryostat offers modular stages for easy assembly and testing whilst also allowing future modifications to accommodate the required CCDs, electronics and optics.
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© 2013: Instituto de Astronomía, UNAM. Science with the GTC Meeting (4th. 2011. Santa Cruz La Palma/Spain).