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Journal article

A successful search for intervening 21 cm H I absorption in galaxies at 0.4 < z <1.0 with the Australian square kilometre array pathfinder (ASKAP)

Abstract:

We have used the Australian Square Kilometre Array Pathfinder (ASKAP) radio telescope to search for intervening 21 cm neutral hydrogen (H I) absorption along the line of sight to 53 bright radio continuum sources. Our observations are sensitive to H I column densities typical of Damped Lyman Alpha absorbers (DLAs) in cool gas with an H I spin temperature below about 300–500 K. The six-dish Boolardy Engineering Test Array (BETA) and twelve-antenna Early Science array (ASKAP-12) covered a frequ...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1093/mnras/staa2390

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Subgroup:
Astrophysics
Oxford college:
Christ Church
Role:
Author
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Publisher:
Oxford University Press Publisher's website
Journal:
Monthly Notices of the Royal Astronomical Society Journal website
Volume:
499
Issue:
3
Pages:
4293-4311
Publication date:
2020-08-31
Acceptance date:
2020-08-01
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
Pubs id:
1150751
Local pid:
pubs:1150751

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