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Estimation of redshifts from early galaxies
Anabolic Laboratories, Inc., Tempe, AZ.
Department of Engineering Physics, Hacettepe University, Ankara.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.
2007 (English)In: Annales de la Fondation Louis de Broglie, ISSN 0182-4295, E-ISSN 2108-6397, Vol. 32, no 1, p. 61-67Article 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, p. 61-67
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Other Physics Topics
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Fysik
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URN: urn:nbn:se:ltu:diva-6639Scopus ID: 2-s2.0-49249119214Local ID: 4e297300-c26c-11df-a707-000ea68e967bOAI: oai:DiVA.org:ltu-6639DiVA, id: diva2:979525
Note

Validerad; 2007; 20100917 (andbra)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2023-10-06Bibliographically approved

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Paul, Jan

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CiteExportLink to record
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