Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21348103a&link_type=abstract
American Astronomical Society, AAS Meeting #213, #481.03; Bulletin of the American Astronomical Society, Vol. 41, p.448
Astronomy and Astrophysics
Astronomy
Scientific paper
We describe the first all-sky point source catalog derived from observations by the Precision Array to Probe the Epoch of Reionization (PAPER). PAPER is an experiment being developed to detect the signal from redshifted HI at the epoch of reionization. It currently consists of 16 interferometric antenna elements in Green Bank, WV, operating from 100 - 200 MHz.
With 16 element data, it is possible for PAPER to produce "snapshot images" of multiple sources simultaneously, and with its wide field-of-view, to survey a large fraction of the sky from either hemisphere. For this study, the Green Bank data has been combined with 4 element data acquired in Western Australia in July of 2007 to cover the entire sky. We present results on source spectra and variability for the strongest sources (e.g. Cas A, Tau A) and compare our source catalog to previously published radio catalogs such as the VLSS. We further compare our all sky maps with simulations of model skies compiled from the literature.
Aguirre James E.
PAPER Team
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