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Astrophysics > Astrophysics of Galaxies

arXiv:1507.07694 (astro-ph)
[Submitted on 28 Jul 2015 (v1), last revised 21 Mar 2016 (this version, v2)]

Title:Digital Sky Surveys from the ground: Status and Perspectives

Authors:T. Shanks
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Abstract:I first review the status of Digital Sky Surveys. The focus will be on extragalactic surveys with an area of more than 100 this http URL. The Sloan Digital Sky Survey is the archetype of such imaging surveys and it is its great success that has prompted great activity in this field. The latest surveys explore wider, fainter and higher resolution and also a longer wavelength range than SDSS. Many of these surveys overlap particularly in the S Hemisphere where we now have Pan-STARRS, DES and the ESO VST surveys, and our aim here is to compare their properties. Since there is no dedicated article on the VST ATLAS in this symposium, we shall especially review the properties of this particular survey. This easily fits onto our other main focus which is to compare overlapping Southern Surveys and see how they best fit with the available NIR imaging data. We conclude that the Southern Hemisphere will soon overtake the North in terms of multiwavelength imaging. However we note that the South has more limited opportunities for spectroscopic follow-up and this weakness will persist during the LSST era. Some new perspectives are offered on this and other aspects of survey astronomy.
Comments: 16 pages, 12 figures, Refereed Proceeding of the "The Universe of Digital Sky Surveys" conference held at the INAF - Observatory of Capodimonte, Naples, on 25th-28th November 2014, to be published in Astrophysics and Space Science Proceedings, edited by Longo, Napolitano, Marconi, Paolillo, Iodice
Subjects: Astrophysics of Galaxies (astro-ph.GA); Cosmology and Nongalactic Astrophysics (astro-ph.CO)
Cite as: arXiv:1507.07694 [astro-ph.GA]
  (or arXiv:1507.07694v2 [astro-ph.GA] for this version)
  https://doi.org/10.48550/arXiv.1507.07694
Related DOI: https://doi.org/10.1007/978-3-319-19330-4_2

Submission history

From: Tom Shanks [view email]
[v1] Tue, 28 Jul 2015 09:26:23 UTC (11,385 KB)
[v2] Mon, 21 Mar 2016 23:38:37 UTC (11,386 KB)
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