期刊
ASTROPHYSICAL JOURNAL
卷 863, 期 1, 页码 -出版社
IOP Publishing Ltd
DOI: 10.3847/1538-4357/aad188
关键词
instrumentation: interferometers; methods: observational; radio continuum: general; techniques: interferometric; telescopes
资金
- Canada Foundation for Innovation 2015 Innovation Fund [33213]
- Province of British Columbia
- Province of Quebec
- Canadian Institute for Advanced Research (CIFAR) Gravity & Extreme Universe Program, McGill University
- McGill Space Institute, University of British Columbia
- University of Toronto Dunlap Institute
- David Dunlap family
- University of Toronto
- Government of Canada through Industry Canada
- Province of Ontario through the Ministry of Research Innovation
- Natural Sciences and Engineering Research Council of Canada (NSERC)
- Mitacs Globalink Graduate Fellowship
- NSERC
- CIFAR
- Fonds de Recherche du Quebec-Nature et technologies Centre de Recherche en Astrophysique du Quebec (FRQNT/CRAQ)
- Canada Research Chairs program
- Lorne Trottier Chair in Astrophysics Cosmology
- Canada Research Chair, CIFAR
- Herzberg Award
- FRQNT/CRAQ
- Canadian Institute for Theoretical Astrophysics National Fellows program
- NSF Physics Frontiers Center [1430284]
- DRAO Covington Fellowship from the National Research Council Canada
The Canadian Hydrogen Intensity Mapping Experiment (CHIME) is a novel transit radio telescope operating across the 400-800 MHz band. CHIME is composed of four 20 m x 100 m semicylindrical paraboloid reflectors, each of which has 256 dual-polarization feeds suspended along its axis, giving it a greater than or similar to 200 deg(2) field of view. This, combined with wide bandwidth, high sensitivity, and a powerful correlator, makes CHIME an excellent instrument for the detection of fast radio bursts (FRBs). The CHIME Fast Radio Burst Project (CHIME/FRB) will search beam-formed, high time and frequency resolution data in real time for FRBs in the CHIME field of view. Here we describe the CHIME/FRB back end, including the real-time FRB search and detection software pipeline, as well as the planned offline analyses. We estimate a CHIME/FRB detection rate of 2-42 FRBs sky(-1) day(-1) normalizing to the rate estimated at 1.4 GHz by Vander Wiel et al. Likely science outcomes of CHIME/FRB are also discussed. CHIME/FRB is currently operational in a commissioning phase, with science operations expected to commence in the latter half of 2018.
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