New Limits on Ω M and Ω Λ From High Redshift Supernovae With High Quality Color Measurements

Details New Limits on Ω M and Ω Λ From High Redshift Supernovae With High Quality Color Measurements New Limits on Ω M and Ω Λ From High Redshift Supernovae With High Quality Color Measurements

May 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aas...202.1115p&link_type=abstract

American Astronomical Society Meeting 202, #11.15; Bulletin of the American Astronomical Society, Vol. 35, p.717

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We present the final analysis of a set of Type Ia supernovae observed by the Supernova Cosmology Project with the Hubble Space Telescope. These supernova provide new, more precise limits on Ω M and Ω Λ . As an independent set of high-redshift supernovae, these data provide an important confirmation of the previous accelerating universe results from supernovae. Moreover, these events have much higher quality color measurements than was previously available, allowing direct host galaxy extinction corrections of each individual event without the need to resort to a biasing extinction prior. These color corrections show that the cosmological results are robust.
This work is supported by the U.S. Dept. of Energy, Office of Science, under contract DE-AC03-76SF00098.

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