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The Red Envelope and the Age of the Universe

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Towards Understanding Galaxies at Large Redshift

Part of the book series: Astrophysics and Space Science Library ((ASSL,volume 141))

Abstract

The photometric evolution of old stellar populations is slow in the optical/IR. Consequently, observational error is a strongly limiting factor in the accuracy possible for determining galaxy ages or estimating q 0 at high redshifts from indices such as the 4000 Å Break. Existing observations of the red envelope at z ≳ 0.3 are consistent with a wide range of evolutionary histories. The middle-UV spectral region, λrest = 2000–3300 Å, appears to promise less ambiguous results.

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© 1988 Kluwer Academic Publishers

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O’Connell, R.W. (1988). The Red Envelope and the Age of the Universe. In: Kron, R.G., Renzini, A. (eds) Towards Understanding Galaxies at Large Redshift. Astrophysics and Space Science Library, vol 141. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-2919-7_21

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  • DOI: https://doi.org/10.1007/978-94-009-2919-7_21

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-010-7814-6

  • Online ISBN: 978-94-009-2919-7

  • eBook Packages: Springer Book Archive

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