@inproceedings{78c1a1630dd2424aadf1c5c57caa9444,
title = "Data acquisition and management system for the CMB polarization experiment: Simons Array",
abstract = "The Simons Array upgrades the POLARBEAR experiment, which measures the cosmic microwave background from the Atacama Desert in Chile, with three newly developed receivers. Each receiver has 7,588 transition-edge sensor bolometers with a raw data rate of approximately 20 MB/s. This significantly increased data rate required us to develop a new data-Acquisition (DAQ) and data-management system. As the network bandwidth from our observatory to our data-storage sites outside Chile is not high enough to send all the raw data, we compress the raw data on-site. The expected yearly compressed data rate is approximately 60 TB from each receiver. We have also developed a new housekeeping DAQ system. The new housekeeping DAQ system is a distributed system to handle the various newly added monitoring systems and to better understand our instruments and environments. Those data can also be fetched by another module for real-Time monitoring of our instrument from all over the world with latencies on the order of minutes. We deployed the first receiver in late 2018 and started the commissioning of the DAQ system. The DAQ system has been working without significant problems and already accumulates a considerable amount of the new receiver data from the commissioning observations. In this presentation, we summarize and report the status of the new systems.",
keywords = "CMB, data acquisition, data-management",
author = "Haruki Nishino and Darcy Barron and Bender, {Amy N.} and Yuji Chinone and Crowley, {Kevin T.} and Tucker Elleflot and John Groh and Masaya Hasegawa and Masashi Hazumi and Hill, {Charles A.} and Haruaki Hirose and Logan Howe and Daisuke Kaneko and Shuhei Kikuchi and Theodore Kisner and Akito Kusaka and Joshua Montgomery and Rahlin, {Alexandra S.} and Praween Siritanasak and Graeme Smecher and Satoru Takakura and Sayuri Takatori and Daiki Tanabe and Benjamin Westbrook and Nathan Whitehorn and Alex Zahn and Yuyang Zhou",
note = "Funding Information: POLARBEAR and The Simons Array are funded by the Simons Foundation and by grants from the National Science Foundation AST-0618398 and AST-1212230. The Simons Array will operate at the James Ax Observatory in the Parque Astronomico Atacama in Northern Chile under the stewardship of the Agencia Nacional de Investigaci{\'o}n y Desarrollo (ANID). This research used resources of the National Energy Research Scientific Computing Center, which is supported by the Office of Science of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231. This research used resources of the Central Computing System, owned and operated by the Computing Research Center at KEK. This work has made use of results obtained with the Chalawan HPC cluster, operated and maintained by the National Astronomical Research Institute of Thailand (NARIT) under the Ministry of Science and Technology of Royal Thai government. This work was supported in part by World Premier International Research Center Initiative (WPI Initiative), MEXT, Japan. In Japan, this work was supported by the JSPS KAKENHI grant Nos. JP16K21744, JP18H05539, and JP19H00674. Work at LBNL is supported in part by the U.S. Department of Energy, Office of Science, Office of High Energy Physics, under contract No. DE-AC02-05CH11231. Argonne National Laboratory{\textquoteright}s work was supported by the U.S. Department of Energy, Office of High Energy Physics, under contract DE-AC02-06CH11357. HN acknowledges the support from JSPS KAKENHI Grant Nos. JP17K18785 and JP18H01240, and the startup grant by Research Center for the Early Universe, the University of Tokyo. ST acknowledges the support from JSPS KAKENHI Grant Nos. JP18J02133 and JP18H04362. Publisher Copyright: {\textcopyright} COPYRIGHT SPIE. Downloading of the abstract is permitted for personal use only.; Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy X 2020 ; Conference date: 14-12-2020 Through 22-12-2020",
year = "2020",
doi = "10.1117/12.2560616",
language = "English",
series = "Proceedings of SPIE - The International Society for Optical Engineering",
publisher = "SPIE",
editor = "Jonas Zmuidzinas and Jian-Rong Gao",
booktitle = "Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy X",
}