CHIME/Pulsar 400-800MHz obs. of ATNF pulsars : J/ApJS/255/5

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Authors : Amiri M. orcid , Bandura K.M., Boyle P.J. (hide) , Bandura K.M., Boyle P.J. et..al

VizieR DOI : 10.26093/cds/vizier.22550005
Bibcode : 2021ApJS..255....5A (ADS) (Simbad) (Objects)
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CDS Keywords : Pulsars; Radio sources
UAT : Pulsars, Radio sources

Observation (OC)

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Inserted into VizieR : 24-Nov-2021
Last modification : 03-Dec-2021

The CHIME pulsar project system overview. (2021)

Keywords : Astronomy data acquisition; Astronomy data analysis; Radio astronomy Radio pulsars; Pulsar timing method; Astronomical instrumentation

Abstract:We present the design, implementation, and performance of the digital pulsar observing system constructed for the Canadian Hydrogen Intensity Mapping Experiment (CHIME). Using accelerated computing, this system processes independent, digitally steered beams formed by the CHIME correlator to simultaneously observe up to 10 radio pulsars and transient sources. Each of these independent streams is processed by the CHIME/Pulsar back-end system, which can coherently dedisperse, in real time, up to dispersion measure values of 2500pc/cm^3^. The tracking beams and real-time analysis system are autonomously controlled by a priority-based algorithm that schedules both known sources and positions of interest for observation with observing ...(more)
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American Astronomical Society policies
The Canadian Hydrogen Intensity Mapping Experiment (CHIME) is a radio interferometer operating in the 400-800MHz frequency range located at the Dominion Radio Astrophysical Observatory (DRAO) in Penticton, British Columbia, Canada. The CHIME telescope consists of four 5m focal length parabolic cylinders that are 20m wide and 100m long. CHIME/Pulsar is a flexible system with a variety of acquisition modes that is designed for continuous and autonomous operation. We collected observing statistics for all pulsars from the ATNF Pulsar Catalogue over a representative time period, MJD 59100-59274 (Sept 2020 to March 2021), where the scheduling algorithm described in Section 3.4 was executed with no modifications. See Table 3.

  • B/psr : ATNF Pulsar Catalogue (Manchester+, 2005)
  • J/ApJ/605/759 : Multifrequency obs. of radio pulse broadening (Bhat+, 2004)
  • J/MNRAS/353/1311 : Long-term timing observations of 374 pulsars (Hobbs+, 2004)
  • J/MNRAS/414/1679 : 315 glitches in the rotation of pulsars (Espinoza+, 2011)
  • J/MNRAS/484/3646 : LOFAR PSR low-frequency Faraday rot. measures (Sobey+ 2019)
  • J/MNRAS/484/3691 : UTMOST pulsar timing programme. I. (Jankowski+, 2019)
  • J/MNRAS/501/1116 : GAIA pulsars and where to find them (Antoniadis, 2021)

                


                

                    

                


                

                    

                


                

                    
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