About: The Array of Long Baseline Antennas for Taking Radio Observations from the Sub-Antarctic

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An Entity of Type : schema:ScholarlyArticle, within Data Space : covidontheweb.inria.fr associated with source document(s)

Attributes	Values
type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	The Array of Long Baseline Antennas for Taking Radio Observations from the Sub-Antarctic
Creator	Peterson, J Chiang, H Dyson, T Egan, E Eyono, S Ghazi, N Hickish, J Jáuregui-Garcia, J Manukha, V Moso, T Philip, L Sievers, J Tartakovsky, S
Source	ArXiv
abstract	Measurements of redshifted 21-cm emission of neutral hydrogen at<30 MHz have the potential to probe the cosmic%22dark ages,%22a period of the universe's history that remains unobserved to date. Observations at these frequencies are exceptionally challenging because of bright Galactic foregrounds, ionospheric contamination, and terrestrial radio-frequency interference. Very few sky maps exist at<30 MHz, and most have modest resolution. We introduce the Array of Long Baseline Antennas for Taking Radio Observations from the Sub-Antarctic (ALBATROS), a new experiment that aims to image low-frequency Galactic emission with an order-of-magnitude improvement in resolution over existing data. The ALBATROS array will consist of antenna stations that operate autonomously, each recording baseband data that will be interferometrically combined offline. The array will be installed on Marion Island and will ultimately comprise 10 stations, with an operating frequency range of 1.2-125 MHz and maximum baseline lengths of ~20 km. We present the ALBATROS instrument design and discuss pathfinder observations that were taken from Marion Island during 2018-2019.
has issue date	2020-08-27(xsd:dateTime)
has license	arxiv
sha1sum (hex)	9154c0a5e3bfe67825b7f9f2ff55d73cb3b9da01
resource representing a document's title	The Array of Long Baseline Antennas for Taking Radio Observations from the Sub-Antarctic
resource representing a document's body	covid:9154c0a5e3bfe67825b7f9f2ff55d73cb3b9da01#body_text
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