Astronomy and Astrophysics – Astronomy
Scientific paper
May 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21440707b&link_type=abstract
American Astronomical Society, AAS Meeting #214, #407.07; Bulletin of the American Astronomical Society, Vol. 41, p.670
Astronomy and Astrophysics
Astronomy
Scientific paper
We report initial results and status of a SETI Survey of the Galactic Center region. The survey spans longitude 357° to 7° and latitude -1° to + 1°, and covers the radio spectrum from 1410 MHz to 1730 MHz with a resolution of 0.7 Hz. The search system is sensitive to continuous and pulsed signals with frequency drift rates of up to ±1 Hz/sec and bandwidths less than 10 Hz. In its current stage, the Allen Telescope Array (ATA-42) is an array of 42 six-meter dishes with two dual-polarization beamformers. The beams observe two independent positions within the field of view at the same frequency allowing each to serve as an "off” positions for the other beam. This is a new approach to RFI mitigation. While SETI observations proceed, two independently tunable correlators are used to image the field for other radio astronomy projects. This demonstrates the Radio Sky Survey capability of the ATA.
ATA Team
Blair Samantha K.
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