The VLT Survey Telescope ATLAS

T. Shanks; N. Metcalfe; B. Chehade; J. R. Findlay; M. J. Irwin; E. Gonzalez-Solares; J. R. Lewis; A. Kupcu Yoldas; R. G. Mann; M. A. Read; E. T. W. Sutorius; S. Voutsinas

doi:10.1093/mnras/stv1130

The VLT Survey Telescope ATLAS

T. Shanks, N. Metcalfe, B. Chehade, J. R. Findlay, M. J. Irwin, E. Gonzalez-Solares, J. R. Lewis, A. Kupcu Yoldas, R. G. Mann, M. A. Read, E. T. W. Sutorius, S. Voutsinas

School of Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

Abstract

The VLT Survey Telescope (VST) ATLAS is an optical ugriz survey aiming to cover ~4700deg^2 of the Southern sky to similar depths as the Sloan Digital Sky Survey (SDSS). From reduced images and object catalogues provided by the Cambridge Astronomical Surveys Unit we first find that the median seeing ranges from 0.8 arcsec FWHM in i to 1.0 arcsec in u, significantly better than the 1.2-1.5 arcsec seeing for SDSS. The 5 sigma magnitude limit for stellar sources is r_AB=22.7 and in all bands these limits are at least as faint as SDSS. SDSS and ATLAS are more equivalent for galaxy photometry except in the z band where ATLAS has significantly higher throughput. We have improved the original ESO magnitude zeropoints by comparing m

Original language	English
Pages (from-to)	4238-4252
Number of pages	15
Journal	Monthly Notices of the Royal Astronomical Society
Volume	451
Issue number	4
Early online date	30 Jun 2015
DOIs	https://doi.org/10.1093/mnras/stv1130
Publication status	Published - 21 Aug 2015

Keywords / Materials (for Non-textual outputs)

astro-ph.GA
astro-ph.CO

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10.1093/mnras/stv1130

pdfSubmitted manuscript, 5.55 MB
MNRAS-2015-Shanks-4238-52Final published version, 14.6 MB

Bob Mann
- rgmroe.acuk
- School of Physics and Astronomy - Personal Chair in Survey Astronomy
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title = "The VLT Survey Telescope ATLAS",

abstract = "The VLT Survey Telescope (VST) ATLAS is an optical ugriz survey aiming to cover ~4700deg^2 of the Southern sky to similar depths as the Sloan Digital Sky Survey (SDSS). From reduced images and object catalogues provided by the Cambridge Astronomical Surveys Unit we first find that the median seeing ranges from 0.8 arcsec FWHM in i to 1.0 arcsec in u, significantly better than the 1.2-1.5 arcsec seeing for SDSS. The 5 sigma magnitude limit for stellar sources is r_AB=22.7 and in all bands these limits are at least as faint as SDSS. SDSS and ATLAS are more equivalent for galaxy photometry except in the z band where ATLAS has significantly higher throughput. We have improved the original ESO magnitude zeropoints by comparing m",

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AU - Shanks, T.

AU - Metcalfe, N.

AU - Chehade, B.

AU - Findlay, J. R.

AU - Irwin, M. J.

AU - Gonzalez-Solares, E.

AU - Lewis, J. R.

AU - Yoldas, A. Kupcu

AU - Mann, R. G.

AU - Read, M. A.

AU - Sutorius, E. T. W.

AU - Voutsinas, S.

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JF - Monthly Notices of the Royal Astronomical Society

IS - 4

ER -

The VLT Survey Telescope ATLAS

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