LFI Radiometric Chain Assembly (RCA) data handling "Rachel"
M. Malaspina, E. Franceschi, P. Battaglia, P. Binko, R.C. Butler, O., D'Arcangelo, S. Fogliani, M. Frailis, C. Franceschet, S. Galeotta, F., Gasparo, A. Gregorio, M. Lapolla, R. Leonardi, G. Maggio, N. Mandolesi, P., Manzato, M. Maris, M. Meharga, P. Meinhold, N. Morisset
TL;DR
This paper introduces 'Rachel', a software tool designed for real-time data analysis and storage during the testing of radiometer chains in the Planck LFI instrument, enhancing prelaunch calibration procedures.
Contribution
The paper presents a novel software application, Rachel, specifically developed for efficient data handling and analysis during radiometer chain assembly tests.
Findings
Successful implementation of Rachel during RCA tests
Enhanced data processing speed and accuracy
Facilitated prelaunch calibration and validation
Abstract
This paper is part of the Prelaunch status LFI papers published on JINST (http://www.iop.org/EJ/journal/-page=extra.proc5/1748-0221). Planck's Low Frequency Instrument is an array of 22 pseudo-correlation radiometers at 30, 44, and 70 GHz. Before integrating the overall array assembly, a first set of tests has been performed for each radiometer chain assembly (RCA), consisting of two radiometers. In this paper, we describe Rachel, a software application which has been purposely developed and used during the RCA test campaign to carry out both near-realtime on-line data analysis and data storage (in FITS format) of the raw output from the radiometric chains.
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