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Mario Tapia

National Autonomous University of Mexico

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Astronomical Telescopes and Instrumentation | 2003

Dual infrared camera for near and mid infrared observations

Luis Salas; Leonel Gutiérrez; Mario Tapia; Irene Cruz-Gonzales; Elfego Ruiz Schneider; Esteban Luna-Aguilar; Jorge Valdez; R. Costero; Erika Sohn; Francisco Lazo; Joaquin Bohigas; Benjamín García; J. Murillo; Fernando Garfias; Oscar Chapa; Salvador Zazueta; Víctor Manuel Alvarado García; Francisco Cobos; Fernando Quiros; Arturo Iriarte; Carlos Tejada

We present the dual IR camera CID for the 2.12 m telescope of the Observatorio Astronomico Nacional de Mexico, IA-UNAM. The system consists of two separate cameras/spectrographs that operate in different regions of the IR spectrum. In the near IR, CID comprises a direct imaging camera with wide band filters, a CVF, and a low resolution spectrograph employing an InSb 256 x 256 detector. In the mid IR, CID uses a BIB 128 x 128 detector for direct imaging in 10 and 20 microns. Optics and mechanics of CID were developed at IR-Labs (Tucson). The electronics was developed by R. Leach (S. Diego). General design, construction of auxiliary optics (oscillating secondary mirror), necessary modifications and optimization of the electronics, and acquisition software were carried out at OAN/ UNAM. The compact design of the instruments allow them to share a single dewar and the cryogenics system.

Archive | 2008