The Baryon Oscillation Spectroscopic Survey Lyman-alpha forest sample: Early Data and Results

Details The Baryon Oscillation Spectroscopic Survey Lyman-alpha forest sample: Early Data and Results The Baryon Oscillation Spectroscopic Survey Lyman-alpha forest sample: Early Data and Results

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21537006h&link_type=abstract

American Astronomical Society, AAS Meeting #215, #370.06; Bulletin of the American Astronomical Society, Vol. 42, p.561

Astronomy and Astrophysics

Astronomy

Scientific paper

The Baryon Oscillation Spectroscopic Survey (BOSS) on the Sloan Telescope will make a 3-D map of neutral hydrogen gas using the Ly-alpha forest along lines of sight to 160,000 QSOs between redshifts of 2.2 and 3.5. The power spectrum of this map will make the first measurement of dark energy at z>2.
The Ly-alpha forest spectra taken during BOSS commissioning in Fall 2009 already represent a two order-of-magnitude improvement over any dataset in the number of quasar pairs with separations < 100 Mpc/h. This data allows an unprecedented measurement of 3 dimensional large-scale
structure in the Lya forest. We present example spectra and data checks as well as early results.

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