Measurements of Omega and Lambda from 42 High-Redshift Supernovae

Details Measurements of Omega and Lambda from 42 High-Redshift Supernovae Measurements of Omega and Lambda from 42 High-Redshift Supernovae

Dec 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998tx19.confe.146p&link_type=abstract

Abstracts of the 19th Texas Symposium on Relativistic Astrophysics and Cosmology, held in Paris, France, Dec. 14-18, 1998. Eds.:

Astronomy and Astrophysics

Astrophysics

Scientific paper

Based on an analysis of 42 high-redshift supernovae discovered by the Supernova Cosmology Project, we have found evidence for a positive cosmological constant, Lambda, and hence an accelerating universe. In particular, the data are strongly inconsistent with a Lambda = 0 flat cosmology, the simplest inflationary universe model. The size of our supernova sample allows us to perform a variety of statistical tests to check for possible systematic errors and biases. I will discuss results of these studies and the ongoing hunt for further loopholes to evade the apparent consequences of our measurements.

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