Astronomy and Astrophysics – Astrophysics
Scientific paper
2008-04-30
AIP Conf.Proc.1035:249-251,2008
Astronomy and Astrophysics
Astrophysics
3 pages, including 2 figure pages; figure image quality significantly reduced; for full resolution version, please see http:
Scientific paper
10.1063/1.2973594
Radio observations of gas in the Milky Way and Local Group are vital for understanding how galaxies function as systems. The unique sensitivity of Arecibo's 305m dish, coupled with the 7-beam Arecibo L-Band Feed Array (ALFA), provides an unparalleled tool for investigating the full range of interstellar phenomena traced by the HI 21cm line. The GALFA (Galactic ALFA) HI Survey is mapping the entire Arecibo sky over a velocity range of -700 to +700 km/s with 0.2 km/s velocity channels and an angular resolution of 3.4 arcminutes. We present highlights from the TOGS (Turn on GALFA Survey) portion of GALFA-HI, which is covering thousands of square degrees in commensal drift scan observations with the ALFALFA and AGES extragalactic ALFA surveys. This work is supported in part by the National Astronomy and Ionosphere Center, operated by Cornell University under cooperative agreement with the National Science Foundation.
Douglas Kevin Arthur
Gibson Sister Jean
Heiles Carl
Korpela Eric J.
Peek Joshua E. G.
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