Search Results - "Chiang, H Cynthia"
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The C-Band All-Sky Survey (C-BASS): design and capabilities
Published in Monthly notices of the Royal Astronomical Society (01-11-2018)“…The C-Band All-Sky Survey (C-BASS) is an all-sky full-polarization survey at a frequency of 5 GHz, designed to provide complementary data to the all-sky…”
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Journal Article -
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Simulating the Detection of the Global 21 cm Signal with MIST for Different Models of the Soil and Beam Directivity
Published in The Astrophysical journal (01-01-2024)“…Abstract The Mapper of the IGM Spin Temperature (MIST) is a new ground-based, single-antenna, radio experiment attempting to detect the global 21 cm signal…”
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The Hydrogen Intensity Real-Time Analysis eXperiment: Overview and Status Update
Published in 2024 18th European Conference on Antennas and Propagation (EuCAP) (17-03-2024)“…The Hydrogen Intensity Real-time Analysis eXperiment (HIRAX) will be a large interferometric array of drift-scan radio telescopes designed to map the…”
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Conference Proceeding -
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High-redshift 21cm Cosmology in Canada
Published 08-10-2019“…In the next few years, the 21cm line will enable direct observations of the Dark Ages, Cosmic Dawn, and Reionization, which represent previously unexplored…”
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Low-redshift 21cm Cosmology in Canada
Published 07-10-2019“…Line-intensity mapping of the 21cm line is a powerful probe of large scale structure at z<6, tracing large-scale structure via neutral hydrogen content that is…”
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Design and implementation of a noise temperature measurement system for the Hydrogen Intensity and Real-time Analysis eXperiment (HIRAX)
Published 16-01-2021“…Proc. SPIE 11445, Ground-based and Airborne Telescopes VIII, 114452Z (20 January 2021) This paper describes the design, implementation, and verification of a…”
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Journal Article -
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The C-Band All-Sky Survey (C-BASS): Design and capabilities
Published 19-07-2018“…The C-Band All-Sky Survey (C-BASS) is an all-sky full-polarisation survey at a frequency of 5 GHz, designed to provide complementary data to the all-sky…”
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Journal Article -
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A cryogenic rotation stage with a large clear aperture for the half-wave plates in the Spider instrument
Published 08-01-2016“…Review of Scientific Instruments, 87, 014501 (2016) We describe the cryogenic half-wave plate rotation mechanisms built for and used in Spider, a…”
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Pointing control for the SPIDER balloon-borne telescope
Published 07-07-2014“…We present the technology and control methods developed for the pointing system of the SPIDER experiment. SPIDER is a balloon-borne polarimeter designed to…”
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Absolute polarization angle calibration using polarized diffuse Galactic emission observed by BICEP
Published 16-07-2010“…We present a method of cross-calibrating the polarization angle of a polarimeter using BICEP Galactic observations. \bicep\ was a ground based experiment using…”
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Modeling and characterization of the SPIDER half-wave plate
Published 19-06-2010“…Proceedings of the SPIE, Volume 7741, id. 77412B (2010) Spider is a balloon-borne array of six telescopes that will observe the Cosmic Microwave Background…”
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CMB polarimetry with BICEP: instrument characterization, calibration, and performance
Published 13-08-2008“…Proc. SPIE, Vol. 7020, 70201D (2008) BICEP is a ground-based millimeter-wave bolometric array designed to target the primordial gravity wave signature on the…”
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Simulating the Detection of the Global 21 cm Signal with MIST for Different Models of the Soil and Beam Directivity
Published 10-10-2023“…2024, ApJ, 961, 56 The Mapper of the IGM Spin Temperature (MIST) is a new ground-based, single-antenna, radio experiment attempting to detect the global 21 cm…”
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Journal Article -
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Drone-Based Antenna Beam Calibration in the High Arctic
Published 30-06-2024“…The development of low-frequency radio astronomy experiments for detecting 21-cm line emission from hydrogen presents new opportunities for creative solutions…”
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Antenna characterization for the HIRAX experiment
Published 25-07-2022“…The Hydrogen Intensity and Real-time Analysis eXperiment (HIRAX) aims to improve constraints on the dark energy equation of state through measurements of…”
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Journal Article -
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Mechanical and Optical Design of the HIRAX Radio Telescope
Published 15-01-2021“…The Hydrogen Intensity and Real-time Analysis eXperiment (HIRAX) is a planned interferometric radio telescope array that will ultimately consist of 1024 close…”
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The Hydrogen Intensity and Real-time Analysis eXperiment: 256-Element Array Status and Overview
Published 17-01-2022“…J. of Astronomical Telescopes, Instruments, and Systems, 8(1), 011019 (2022) The Hydrogen Intensity and Real-time Analysis eXperiment (HIRAX) is a radio…”
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Discovering the Sky at the Longest Wavelengths with Small Satellite Constellations
Published 25-07-2019“…Due to ionosphere absorption and the interference by natural and artificial radio emissions, ground observation of the sky at the decameter or longer is very…”
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MeerKLASS: MeerKAT Large Area Synoptic Survey
Published 18-09-2017“…We discuss the ground-breaking science that will be possible with a wide area survey, using the MeerKAT telescope, known as MeerKLASS (MeerKAT Large Area…”
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Journal Article