WALLABY – an SKA Pathfinder H I survey

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dc.contributor.authorCluver, M.E.
dc.contributor.authorKoribalski, Bärbel S.
dc.contributor.authorStaveley-Smith, L.
dc.date.accessioned2021-02-08T08:02:41Z
dc.date.available2021-02-08T08:02:41Z
dc.date.issued2020
dc.description.abstractThe Widefield ASKAP L-band Legacy All-sky Blind surveY (WALLABY) is a next-generation survey of neutral hydrogen (H I) in the Local Universe. It uses the widefield, high-resolution capability of the Australian Square Kilometer Array Pathfinder (ASKAP), a radio interferometer consisting of 36 × 12-m dishes equipped with Phased-Array Feeds (PAFs), located in an extremely radioquiet zone in Western Australia. WALLABY aims to survey three-quarters of the sky (−90◦ < δ <+30◦) to a redshift of z 0.26, and generate spectral line image cubes at ∼30 arcsec resolution and ∼1.6 mJy beam−1 per 4 kms−1 channel sensitivity. ASKAP’s instantaneous field of view at 1.4 GHz, delivered by the PAF’s 36 beams, is about 30 sq deg. At an integrated signal-to-noise ratio of five, WALLABY is expected to detect around half a million galaxies with a mean redshift of z ∼ 0.05 (∼200 Mpc).en_US
dc.identifier.citationKoribalski, B.S., Staveley-Smith, L., Westmeier, T. et al. WALLABY – an SKA Pathfinder H I survey. Astrophys Space Sci 365, 118 (2020).en_US
dc.identifier.urihttps://doi.org/10.1007/s10509-020-03831-4
dc.identifier.urihttp://hdl.handle.net/10566/5844
dc.language.isoenen_US
dc.publisherSpringer Natureen_US
dc.subjectRadio lines: galaxiesen_US
dc.subjectISM – surveys – galaxiesen_US
dc.subjectEvolutionen_US
dc.subjectKinematics & dynamicsen_US
dc.subjectISM – large-scale structureen_US
dc.titleWALLABY – an SKA Pathfinder H I surveyen_US
dc.typeArticleen_US

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