Surveying The Zone Of Avoidance With The Arecibo L-band Feed Array

Details Surveying The Zone Of Avoidance With The Arecibo L-band Feed Array Surveying The Zone Of Avoidance With The Arecibo L-band Feed Array

Jun 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...208.5304h&link_type=abstract

American Astronomical Society Meeting 208, #53.04; Bulletin of the American Astronomical Society, Vol. 38, p.133

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We are conducting 21-cm surveys with the Arecibo L-Band Feed Array, searching for HI galaxies at low galactic latitudes, where optical obscuration and infrared confusion preclude the mapping of galaxies and large-scale structures in those wavebands. Galaxies which contain HI are detected by these blind surveys, and their Doppler shifted emission locates them in 3 dimensions.The first survey will be of the inner Galaxy accessible to Arecibo (l=30-75 degrees), within 10 degrees of the Galactic equator, and will be relatively shallow (effective integration time of 8-10 seconds per beam, with rms about 6 mJy). We have completed two small regions using this observing mode (near l=40 degrees, and l=192 degrees). The catalog of HI detections will be presented, and future expectations for the full survey will be discussed.We will also be conducting very deep, pointed observations, with dwell times expected to be more than 260 seconds per pointing, over all longitudes accessible to Arecibo. Our expectations for this very deep low Galactic latitude survey will be presented. Both the shallow and deep surveys are conducted in "commensal" modes with other surveys on the telescope, a Galactic HI survey, and a pulsar survey, respectively.P.A.H. acknowledges support from NSF grant AST-0506676.

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