Supernova Surveys and Cosmology: Recent Results and Future Prospects

Details Supernova Surveys and Cosmology: Recent Results and Future Prospects Supernova Surveys and Cosmology: Recent Results and Future Prospects

May 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21410501f&link_type=abstract

American Astronomical Society, AAS Meeting #214, #105.01; Bulletin of the American Astronomical Society, Vol. 41, p.723

Astronomy and Astrophysics

Astronomy

Scientific paper

A decade ago, two teams studying distant type Ia supernovae discovered that the expansion of the Universe is speeding up, at odds with the expectation that gravity would gradually slow it down. Since then, supernova surveys from the ground and from space have brought tremendous improvements in the quality and quantity of SN Ia data, confirming the discovery of cosmic acceleration and providing increasingly precise constraints upon the nature of dark energy. This talk will highlight the recent developments and results from a number of supernova surveys and discuss the prospects for using supernovae to obtain improved cosmology measurements from planned and proposed surveys in the future. I will focus in particular on the observational challenges to determining supernova distances and how those systematic challenges are being met.

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