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Estimation of redshifts from early galaxies
Anabolic Laboratories, Inc., Tempe, AZ.
Department of Engineering Physics, Hacettepe University, Ankara.
2007 (English)In: Annales de la Fondation Louis de Broglie, ISSN 0182-4295, E-ISSN 2108-6397, Vol. 32, no 1, 61-67 p.Article in journal (Refereed) Published
Abstract [en]

Dating early galaxies is a current technical, empirical and theoretical problem. Progress has been made recently calculating these dates using the observed redshift, z, alone. While this relaxes the need for simultaneous determination of luminosity distances with redshifts; accurate redshift determination beyond z ≥ 3 is difficult. We have shown that light emissions tend toward blue with increasing emission age and this is supported by recent data. Here we combine calculations of cosmological times from redshifts alone with the emission frequency model for lookback times. This allows a better gauge between recombination and the first galaxies and may provide additional 50-200 M years between these events.

Place, publisher, year, edition, pages
2007. Vol. 32, no 1, 61-67 p.
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Other Physics Topics
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Fysik
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URN: urn:nbn:se:ltu:diva-6639Local ID: 4e297300-c26c-11df-a707-000ea68e967bOAI: oai:DiVA.org:ltu-6639DiVA: diva2:979525
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Validerad; 2007; 20100917 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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CiteExportLink to record
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