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Some recent tests of the chronometric cosmology
1Department of Mathematics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139.
Summary
Chronometric cosmology predictions align with galaxy and quasar data, contradicting previous findings. Analysis confirms chronometric models fit published data, unlike non-evolutionary Friedmann models.
Area of Science:
- Cosmology
- Astrophysics
- Observational Astronomy
Background:
- Previous studies reported deviations between galaxy/quasar data and chronometric cosmology predictions.
- These studies utilized privately held and published data, raising questions about data accessibility and analysis.
Purpose of the Study:
- To re-evaluate the theoretical procedures of papers reporting deviations from chronometric cosmology.
- To assess the fit of chronometric predictions using published data on galaxies and quasars.
- To compare chronometric models with non-evolutionary Friedmann models.
Main Methods:
- Re-analysis of theoretical procedures used in prior studies.
- Statistical analysis of published galaxy and quasar samples.
- Maximum-likelihood estimation to remove magnitude bias from luminosity functions.
Main Results:
- Identified inaccuracies in the theoretical procedures of previous comparative studies.
- Published data on galaxies and quasars satisfactorily fit chronometric cosmology predictions.
- Non-evolutionary Friedmann models with conventional values for q(0) did not fit the data.
Conclusions:
- Chronometric cosmology remains a viable model, supported by published observational data.
- Previous claims of significant deviations were based on flawed theoretical procedures.
- Refined statistical analysis, including magnitude bias correction, reinforces the agreement between data and chronometric predictions.
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