SDSS-III: The Baryon Oscillation Spectroscopic Survey (BOSS)

Details SDSS-III: The Baryon Oscillation Spectroscopic Survey (BOSS) SDSS-III: The Baryon Oscillation Spectroscopic Survey (BOSS)

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...21113229s&link_type=abstract

American Astronomical Society, AAS Meeting #211, #132.29; Bulletin of the American Astronomical Society, Vol. 39, p.966

Astronomy and Astrophysics

Astronomy

17

Scientific paper

The Baryon Oscillation Spectroscopic Survey (BOSS) will map out the baryon acoustic oscillation (BAO) signature with unprecedented accuracy and greatly improve the constraints on the acceleration of the expansion rate of the Universe. BOSS will upgrade the SDSS fiber-fed spectrographs to 1000 fibers, and improve the throughput from 3600 - 10,050 Angstroms. For the five years from 2009-2014, we will map 1.5 million luminous red galaxies (LRGs) at z<0.7 over a footprint of 10,000 square degrees. A simultaneous survey of 160,000 QSOs will map the hydrogen gas in absorption at redshifts 2.3 < z < 3.
BOSS will provide the definitive measurement of the low redshift (z<0.7) BAO scale, and it will pioneer a powerful new method of measuring BAO at high redshift with QSOs. This will achieve precise stand-alone constraints on the properties of dark energy, the curvature of space, and the Hubble constant. The absolute distance measurements will reach a precision of 1% at z=0.35, 1% at z=0.6, and 1.5% at z=2.5.
As part of the SDSS-III project, BOSS will produce a large, well-calibrated public database to support a broad range of astronomical research.

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