Other
Scientific paper
Jan 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21714262b&link_type=abstract
American Astronomical Society, AAS Meeting #217, #142.62; Bulletin of the American Astronomical Society, Vol. 43, 2011
Other
Scientific paper
The G-ALFA Continuum Transit Survey (GALFACTS) is a spectro-polarimetric survey of Arecibo Observatory's visible sky from 1225-1525 MHz, using the Arecibo L-band Feed Array (ALFA). Among the survey's many scientific goals is a large-scale statistical study on the short-term variability of the flux density and polarization of radio sources. Every point in the sky is observed twice, with less than a month between observations, making this the largest systematic search for variability ever conducted. In this poster, we present the development of computer code to aid in this search, and some preliminary results from this code. The code takes GALFACTS data in the form of time series for 2048 individual spectral channels, containing positions and full-stokes antenna temperatures, and turns these into a list of individual radio sources with their positions and Stokes-I temperatures. We first ran the code for the field surrounding the radio source S0206+330, of known flux density, as a test. Once a working code was completed, it was run on the field of another radio source, S0311+307.
Barenfeld Scott
Ghosh Tamal
Salter Chris
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