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Abstract: Several site-testing programs and observatories currently use combinedMASS-DIMM instruments for monitoring parameters of optical turbulence. Theinstrument is described here. After a short recall of the measured quantitiesand operational principles, the optics and electronics of MASS-DIMM,interfacing to telescopes and detectors, and operation are covered in somedetail. Particular attention is given to the correct measurement and control ofinstrumental parameters to ensure valid and well-calibrated data, to the dataquality and filtering. Examples of MASS-DIMM data are given, followed by thelist of present and future applications.



Autor: V. Kornilov, A. Tokovinin, N. Shatsky, O. Voziakova, S. Potanin, B. Safonov

Fuente: https://arxiv.org/







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