Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aipc..966..181z&link_type=abstract
RELATIVISTIC ASTROPHYSICS: 4th Italian-Sino Workshop. AIP Conference Proceedings, Volume 966, pp. 181-184 (2008).
Astronomy and Astrophysics
Astrophysics
Astronomical Observations, Dark Matter, Gravitational Lenses And Luminous Arcs, Astronomical And Space-Research Instrumentation, Supernova Remnants
Scientific paper
Dark energy has become an important science driver of many upcoming large-scale surveys. For example, the Large Synoptic Survey Telescope (LSST) will carry out a deep half-sky 6-band (ugrizy) imaging survey, obtaining more than 3 billion galaxies, millions of supernovae, and hundreds of thousands of galaxy clusters. It will provide a rich data set for studying dark energy, dark matter, and many other subjects. We show that by applying multiple techniques (baryon acoustic oscillations, weak gravitational lensing, and type Ia supernova luminosity distances) simultaneously to the same survey data, one can gain a better control of various systematic errors, break parameter degeneracies intrinsic to each technique, and place tight constraints on the dark energy equation of state parameters with LSST.
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