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The SKA mid-frequency all-sky continuum survey: discovering the unexpected and transforming radio-astronomy

  • Raymond Paul Norris
  • , Kaustuv Basu
  • , Michael James Isles Brown
  • , Ettore Carretti
  • , Anna D Kapinska
  • , Isabella Prandoni
  • , Lawrence Rudnick
  • , Nick Seymour

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearchpeer-review

Abstract

SKA is an instrument, not an experiment (Phil Diamond, Stellenbosch, 17 Feb 2014) We show that, in addition to specific science goals, there is a strong case for conducting an all-sky (i.e. the visible 3p steradians) SKA continuum survey which does not fit neatly into conventional science cases. History shows that the greatest scientific impact of most major telescopes (e.g., HST, VLA) lies beyond the original goals used to justify the telescope. The design of the telescope therefore needs to maximise the ultimate scientific productivity, in addition to achieving the specific science goals. In this chapter, we show that an all-sky continuum survey is likely to achieve transformational science in two specific respects:.
Original languageEnglish
Title of host publicationAdvancing Astrophysics with the Square Kilometre Array
EditorsRobert Braun, Grazia Umana
Place of PublicationBerks UK
PublisherDolman Scott Ltd for SKA Organisation
Pages1183-1200
Number of pages18
Volume2
ISBN (Print)9781909204713
DOIs
Publication statusPublished - 2015
EventAdvancing Astrophysics with the Square Kilometre Array 2014 - Giardini Naxos, Italy
Duration: 9 Jun 201413 Jun 2014
https://pos.sissa.it/215/

Conference

ConferenceAdvancing Astrophysics with the Square Kilometre Array 2014
Abbreviated titleAASKA 2014
Country/TerritoryItaly
CityGiardini Naxos
Period9/06/1413/06/14
OtherIn 2014 it was 10 years since the publication of the comprehensive ‘Science with the Square Kilometre Array’ book and 15 years since the first such volume appeared in 1999. In that time numerous and unexpected advances have been made in the fields of astronomy and physics relevant to the capabilities of the Square Kilometre Array (SKA). The SKA itself progressed from an idea to a developing reality with a baselined Phase 1 design (SKA1) and construction planned from 2017.

To facilitate the publication of a new, updated science book, which will be relevant to the current astrophysical context, the meeting"Advancing Astrophysics with the Square Kilometre Array" was held in Giardina Naxos, Sicily. Articles were solicited from the community for that meeting to document the scientific advances enabled by the first phase of the SKA and those pertaining to future SKA deployments, with expected gains of 5 times the Phase 1 sensitivity below 350 MHz, about 10 times the Phase 1 sensitivity above 350 MHz and with frequency coverage extending to ~20 GHz. The chapters listed here are the direct result of that meeting.
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