Application of VCSELs in next-generation telescope array networks such as the Square Kilometre array
Sign Up to like & getrecommendations! Published in 2018 at "Optics and Laser Technology"
DOI: 10.1016/j.optlastec.2018.02.041
Abstract: Abstract The distribution of precise and accurate optical clock signals across fibre links has a significant impact in various fields. Many applications require the transfer of stable and precise timing signals from a single central… read more here.
Keywords: array; transmission; vcsel; application ... See more keywords
The mid-frequency Square Kilometre Array phase synchronisation system
Sign Up to like & getrecommendations! Published in 2019 at "Publications of the Astronomical Society of Australia"
DOI: 10.1017/pasa.2018.48
Abstract: Abstract This paper describes the technical details and practical implementation of the phase synchronisation system selected for use by the Mid-Frequency Square Kilometre Array. Over a four-year period, the system has been tested on metropolitan… read more here.
Keywords: phase; system; frequency; kilometre array ... See more keywords
Cosmology with Phase 1 of the Square Kilometre Array Red Book 2018: Technical specifications and performance forecasts
Sign Up to like & getrecommendations! Published in 2020 at "Publications of the Astronomical Society of Australia"
DOI: 10.1017/pasa.2019.51
Abstract: Abstract We present a detailed overview of the cosmological surveys that we aim to carry out with Phase 1 of the Square Kilometre Array (SKA1) and the science that they will enable. We highlight three… read more here.
Keywords: array; cosmology; red book; square kilometre ... See more keywords
First search for low-frequency CH with a Square Kilometre Array precursor telescope
Sign Up to like & getrecommendations! Published in 2020 at "Publications of the Astronomical Society of Australia"
DOI: 10.1017/pasa.2020.48
Abstract: Abstract The diatomic free radical methylidyne (CH) is an important tracer of the interstellar medium, and the study of it was critical to our earliest understanding of star formation. Although it is detectable across the… read more here.
Keywords: square kilometre; frequency; low frequency; kilometre array ... See more keywords
200 Years of Astronomy in South Africa: From the Royal Observatory to the ‘Big Bang’ of the Square Kilometre Array
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Southern African Studies"
DOI: 10.1080/03057070.2018.1496700
Abstract: South Africa has been an important site for southern hemisphere astronomy since La Caille’s observations in the 1750s. A new phase of international significance now dawns as the Square Kilometre Array (SKA) is being assembled… read more here.
Keywords: south africa; 200 years; astronomy; astronomy south ... See more keywords
Square Kilometre Array Science Data Challenge 1: analysis and results
Sign Up to like & getrecommendations! Published in 2020 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/staa3023
Abstract: As the largest radio telescope in the world, the Square Kilometre Array (SKA) will lead the next generation of radio astronomy. The feats of engineering required to construct the telescope array will be matched only… read more here.
Keywords: square kilometre; analysis; kilometre array; data challenge ... See more keywords
Spectral performance of Square Kilometre Array Antennas - II. Calibration performance
Sign Up to like & getrecommendations! Published in 2017 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stx1224
Abstract: We test the bandpass smoothness performance of two prototype Square Kilometre Array (SKA) SKA1-Low log-periodic dipole antennas, the SKALA2 and SKALA3 (`SKA Log-periodic Antenna'), and the current dipole from the Murchison Widefield Array (MWA) precursor… read more here.
Keywords: kilometre array; square kilometre; calibration; performance ... See more keywords
A pilot survey for transients and variables with the Australian Square Kilometre Array Pathfinder
Sign Up to like & getrecommendations! Published in 2018 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/sty1157
Abstract: We present a pilot search for variable and transient sources at 1.4 GHz with the Australian Square Kilometre Array Pathfinder (ASKAP). The search was performed in a 30 deg2 area centred on the NGC 7232 galaxy… read more here.
Keywords: survey; pilot; kilometre array; square kilometre ... See more keywords
Phase synchronization system receiver module for the mid-frequency Square Kilometre Array
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Astronomical Telescopes, Instruments, and Systems"
DOI: 10.1117/1.jatis.6.4.044002
Abstract: Abstract. Next-generation radio telescopes, such as the Square Kilometre Array (SKA) and Next Generation Very Large Array (ngVLA), require precise microwave frequency reference signals to be transmitted over fiber links to each dish to coherently… read more here.
Keywords: array; kilometre array; frequency; receiver module ... See more keywords