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Latest Results of the Sethi Survey at Arecibo
[chapter]
Astrophysics and Space Science Library
SETHI is a survey of the distribution of galactic neutral hydrogen being performed comensally at the NAIC Arecibo Observatory. At the same time that observers use receivers in the Gregorian dome, SETHI is recording a 2.5MHz band centered at 1420 MHz from a flat feed on Carriage House 1. During normal astronomical observations, the SETHI feed scans across the sky at twice the sidereal rate. During 4 years of observations, we have accumulated over 15,000 hours of data covering most of the sky
doi:10.1007/1-4020-2620-x_18
fatcat:trzdllv4ybaczhdrzvohb53uyq