Luminosity Distances To 130 SNIa Measured By The SDSS Supernova Survey

Details Luminosity Distances To 130 SNIa Measured By The SDSS Supernova Survey Luminosity Distances To 130 SNIa Measured By The SDSS Supernova Survey

Jun 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...208.5801l&link_type=abstract

American Astronomical Society Meeting 208, #58.01; Bulletin of the American Astronomical Society, Vol. 38, p.138

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Scientific paper

The first three-month campaign of the SDSS II Supernova Survey, carried out in Fall 2005, discovered 130 spectroscopically confirmed Type Ia SNe over the redshift range 0.01-0.42. For most of these, densely time-sampled multicolor light curves in the SDSS filters starting well before maximum light were obtained. We present luminosity distances derived from a simultaneous fit of template light curves to the measured time sequence using the MLCS2k2 method. The SDSS data fills in a sparsely sampled redshift range in the supernova Hubble diagram and allows a robust connection between the existing low-redshift and high-redshift SNIa samples. Among other things, it will provide constraints on the recent evolution of dark energy.

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