Four papers by the Supernova Cosmology Project

Physics

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Cosmology, Supernovae, Red Shift, Hubble Constant, Calibrating, Data Processing, Data Acquisition

Scientific paper

The search for high-redshift Type Ia supernovae discovered, in its first years, a sample of seven supernovae. Using a 'batch' search strategy, almost all were discovered before maximum light and were observed over the peak of their light curves. The spectra and light curves indicate that almost all were Type Ia supernovae at redshifts z = 0.35-0.5. These high-redshift supernovae can provide a distance indicator and 'standard clock' to study the cosmological parameters q0, (Lambda), (Omega)0, and H0. These four presentations discuss observation strategies and rates, analysis and calibration issues, the sources of measurement uncertainty, and the cosmological implications, including bounds on q0, of these first high-redshift supernovae from the ongoing search.

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