Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006rmxac..26q.197p&link_type=abstract
XI IAU Regional Latin American Meeting of Astronomy (Eds. L. Infante & M. Rubio) Revista Mexicana de Astronomía y Astrofísica (S
Astronomy and Astrophysics
Astronomy
Scientific paper
The ESSENCE project plans to discover and follow-up 200 Type Ia SNe over a redshift range 0.15-0.75 using the Mosaic Imager on the CTIO Blanco 4-m telescope. The goal of the experiment is to find out whether the dark energy of the universe is consistent with a cosmological constant by measuring the w parameter of the Equation of State of the Universe to within a precision of 10%. Assuming that the new 200 SNe discovered by ESSENCE will decrease the statistical noise by the poisson contribution the systematic uncertainties will likely become the limit of the experiment. For this reason, the ESSENCE team is devoting a great effort to identify the various sources of systematics. This work investigates the possible sources of systematic errors associated with the data reduction and light curve analysis.
Clocchiati Alejandro
Pignata Giuliano
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