EMU: Evolutionary Map of the Universe

Ray P. Norris; A.M. Hopkins; J. Afonso; S. Brown; J.J. Condon; L.; Dunne; I. Feain; R. Hollow; M. Jarvis; M. Johnston-Hollitt; E. Lenc; E.; Middelberg; P. Padovani; I. Prandoni; L. Rudnick; N. Seymour; G. Umana; H.; Andernach; D. M. Alexander; P. N. Appleton; D.Bacon; J. Banfield; W. Becker,; M. J. I. Brown; P. Ciliegi; C. Jackson; S. Eales; A. C. Edge; B.M. Gaensler,; G. Giovannini; C. A. Hales; P. Hancock; M.Y.Huynh; E. Ibar; R.J. Ivison; R.; Kennicutt; Amy E. Kimball; A. M. Koekemoer; B. S. Koribalski; \'A. R.; L\'opez-S\'anchez; M. Y. Mao; T. Murphy; H. Messias; K. A. Pimbblet; A.; Raccanelli; K. E. Randall; T. H. Reiprich; I. G. Roseboom; H. R\"ottgering,; D.J. Saikia; R.G.Sharp; O.B.Slee; Ian Smail; M. A. Thompson; J. S. Urquhart,; J. V. Wall; G.-B. Zhao

arXiv:1106.3219·astro-ph.CO·May 28, 2015

EMU: Evolutionary Map of the Universe

Ray P. Norris, A.M. Hopkins, J. Afonso, S. Brown, J.J. Condon, L., Dunne, I. Feain, R. Hollow, M. Jarvis, M. Johnston-Hollitt, E. Lenc, E., Middelberg, P. Padovani, I. Prandoni, L. Rudnick, N. Seymour, G. Umana, H., Andernach, D. M. Alexander, P. N. Appleton, D.Bacon

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TL;DR

EMU is a comprehensive radio survey of the Southern Sky using ASKAP, aiming to detect millions of galaxies and uncover new astronomical objects through advanced data techniques.

Contribution

This paper details the science goals, survey parameters, and novel data analysis techniques for the EMU radio survey.

Findings

01

Expected detection of ~70 million galaxies.

02

Development of techniques to maximize scientific return.

03

Survey will explore new classes of astronomical objects.

Abstract

EMU is a wide-field radio continuum survey planned for the new Australian Square Kilometre Array Pathfinder (ASKAP) telescope. The primary goal of EMU is to make a deep (rms ~ 10 microJy/beam) radio continuum survey of the entire Southern Sky at 1.3 GHz, extending as far North as +30 degrees declination, with a resolution of 10 arcsec. EMU is expected to detect and catalogue about 70 million galaxies, including typical star-forming galaxies up to z~1, powerful starbursts to even greater redshifts, and AGNs to the edge of the visible Universe. It will undoubtedly discover new classes of object. This paper defines the science goals and parameters of the survey, and describes the development of techniques necessary to maximise the science return from EMU.

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