HI Surface brightness mapping

Details HI Surface brightness mapping HI Surface brightness mapping

Apr 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008atnf.prop.1629p&link_type=abstract

ATNF proposal P641, Semester: April, 2008

Physics

Extragalactic, Parkes

Scientific paper

We propose to scan the 2dF survey field with Parkes multibeam in driftscan mode to make a map to cross correlate with galaxy redshifts. This allows a statistical detection of HI large scale structure out to z=0.15. In this cross correlation, the HI in ALL galaxies contributes, not only the bright ones, which significantly boosts the sensitivity. The proposed 40 hours on the fields result in a forecasted 20 sigma detection. The survey volume is 10 million cubic megaparsec, which contain 10^15 solar masses of hydrogen.

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