The REMIR cryogenics restyling

F. Vitali; J. L. Lizon; G. Ihle; M. Accardo; L. Gonzales; P. Sinclaire; J. Pineda; A. Pizarro; J. Valenzuela; P. Conconi; F. D'Alessio; V. De Caprio; M. Riva; E. Molinari; G. Chincarini; F. M. Zerbi; M. Rodonò; S. Covino; V. Testa; G. Tosti; L. A. Antonelli; G. Malaspina; E. Palazzi

doi:10.1117/12.671197

28 June 2006 The REMIR cryogenics restyling

F. Vitali, J. L. Lizon, G. Ihle, M. Accardo, L. Gonzales, P. Sinclaire, J. Pineda, A. Pizarro, J. Valenzuela, P. Conconi, F. D'Alessio, V. De Caprio, M. Riva, E. Molinari, G. Chincarini, F. M. Zerbi, M. Rodonò, S. Covino, V. Testa, G. Tosti, L. A. Antonelli, G. Malaspina, E. Palazzi

Author Affiliations +

Proceedings Volume 6269, Ground-based and Airborne Instrumentation for Astronomy; 626954 (2006) https://doi.org/10.1117/12.671197
Event: SPIE Astronomical Telescopes + Instrumentation, 2006, Orlando, Florida , United States

Abstract

REMIR is the NIR camera of the automatic REM (Rapid Eye Mount) Telescope located at ESO-La Silla Observatory (Chile) and dedicated to monitor the afterglow of Gamma Ray Burst events. During the last two years, the REMIR camera went through a series of cryogenics problems, due to the bad functioning of the Leybold cryocooler Polar SC7. Since we were unable to reach with Leybold for a diagnosis and a solution for such failures, we were forced to change drastically the cryogenics of REMIR, going from cryocooler to LN2: we adopted an ad-hoc modified Continuous Flow Cryostat, a cryogenics system developed by ESO and extensively used in ESO instrumentation, which main characteristic is that the LN2 vessel is separated from the cryostat, allowing a greater LN2 tank, then really improving the hold time. In this paper we report the details and results of this operation.

Citation Download Citation

F. Vitali, J. L. Lizon, G. Ihle, M. Accardo, L. Gonzales, P. Sinclaire, J. Pineda, A. Pizarro, J. Valenzuela, P. Conconi, F. D'Alessio, V. De Caprio, M. Riva, E. Molinari, G. Chincarini, F. M. Zerbi, M. Rodonò, S. Covino, V. Testa, G. Tosti, L. A. Antonelli, G. Malaspina, and E. Palazzi "The REMIR cryogenics restyling", Proc. SPIE 6269, Ground-based and Airborne Instrumentation for Astronomy, 626954 (28 June 2006); https://doi.org/10.1117/12.671197

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