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Published 1990 | Published
Book Section - Chapter Open

Evolutionary model uncertainties in the K-band Hubble diagram

Abstract

We explore the effects of variations in evolutionary model parameters on the K-band Hubble diagram, and compare the prediction of the older and the newer population synthesis models. The predictions of the old and the new Bruzual models differ significantly; this is tractable to a problem in combining the input stellar libraries. The new models are sensitive to a number of evolutionary parameters, and there is some coupling with the cosmological parameters. Therefore, the K-band Hubble diagram still cannot be used as a reliable cosmological tool with the state-of-the-art evolutionary population synthesis models.

Additional Information

© 1990 Astronomical Society of the Pacific. Provided by the NASA Astrophysics Data System. We acknowledge a partial support from California Institute of Technology and Alfred P. Sloan Foundation (SD), the NSF (WNW), and CIDA (GBA).

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