Mathematics – Logic
Scientific paper
Dec 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...21113303m&link_type=abstract
American Astronomical Society, AAS Meeting #211, #133.03; Bulletin of the American Astronomical Society, Vol. 39, p.967
Mathematics
Logic
Scientific paper
The "Radio Synoptic Survey Telescope” (RSST) is a concept being developed in the US, in collaboration with the International SKA partners, as a proposal for a mid-frequency Square Kilometer Array (SKA) . This poster presents a preliminary sketch of the concept meant to encourage community feedback. The RSST would have the sensitivity to detect HI in normal galaxies out to a redshift z>1.5 (requiring a "square kilometer” of collecting area or more). It would also have high continuum polarimetric sensitivity for deep imaging and AGN studies. The core frequency coverage is proposed to be 0.4-1.4 GHz to cover HI to z=2.5 (a "Hydrogen Cosmological Evolution Telescope") with the possibility of extension of the upper frequency limit to 3 GHz or higher (a "Gravity Astrophysics Telescope"). Evaluation and costing of the various options will be an area of focus in the next few years. The RSST would operate primarily in Synoptic Survey mode, with the majority of the observing time ( 75% or more) devoted to large surveys that scan the sky on day to week cadences. There would likely be 10%-25% of time available for follow-up targeted observations and general observer projects. Examples of key surveys include (but are not exclusive to): (1) Cosmological HI Large Deep Survey; (2) Deep Continuum Survey; and a (3) Transient Monitoring Program. These surveys would be largely commensal, and would consist of sub-surveys of different regions to different depths. Science targets include "billion galaxy” cosmological redshift surveys (e.g. Baryon Acoustic Oscillations for dark energy studies), HI evolution studies, rotation measure surveys, radio supernova and GRB searches, pulsar searches and studies, and the discovery of new phenomena. Preliminary designs are based on development underway by the US-SKA consortium, the International SKA, and the general US radio astronomy community.
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