Low-frequency technology for a lunar interferometer

doi:10.1098/rsta.2019.0575

2020-11-23

PRE

Kristian Zarb Adami *

Iman Farhat

DOI：10.1098/rsta.2019.0575

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This work sketches a possible design architecture of a low-frequency radio interferometer located on the lunar surface. The design has evolved from single antenna experiments aimed at the global signal detection of the epoch of reionization (EoR) to the square kilometre array (SKA) which, when complete, will be capable of imaging the highly red-shifted H-1-signal from the cosmic dawn through to the EoR. However, due to the opacity of the ionosphere below 10 MHz and the anthropogenic radio-frequency interference, these terrestrial facilities are incapable of detecting pre-ionization signals and the moon becomes an attractive location to build a low-frequency radio interferometer capable of detecting such cosmological signals. Even though there are enormous engineering challenges to overcome, having this scientific facility on the lunar surface also opens up several new exciting possibilities for low-frequency radio astronomy. This article is part of a discussion meeting issue 'Astronomy from the Moon: the next decades'.

Keyword:

epoch of reionization

low-frequency

radio interferometer

lunar

期刊

Philosophical Transactions of the Royal Society A-Mathematical Physical and Engineering Sciences

IF:

3.7

论文数:

7.8K

被引数:

2.8W

机构

University of Malta

学者数:

2.4K

论文数: 2.1K

被引数: 3.1K

university of oxford

学者数:

9.8W

论文数: 8.6W

被引数: 137

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