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Tuning cosmological measurements using photometric surveys

Grant number: 09/08800-0
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): September 01, 2009
Effective date (End): February 28, 2014
Field of knowledge:Physical Sciences and Mathematics - Astronomy - Extragalactic Astrophysics
Principal Investigator:Luis Raul Weber Abramo
Grantee:Henrique Scemes Xavier
Home Institution: Instituto de Física (IF). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated research grant:04/13668-0 - Cosmology in the era of precision: dark energy, dark matter and background cosmic radiation, AP.TEM


It has been common on the last decades to consider that we entered in a precision cosmology era, where the parameter which describe the universe can reach 1% precision. To reach this level of accuracy, a lot of effort has been put both on the observational and the theoretical side in order to create huge databases whose objects, errors, measuring and analysis techniques are efficient and well understood. Using real data and simulations, we intend to contribute to this goal on three fronts: the characterization of type Ia supernovae residing in galaxy clusters, the evaluation and optimization of supernovae observations performed by the J-PAS project and the study errors on the matter power spectrum when measured over galaxy catalogs with photometric redshifts. (AU)

Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
XAVIER, Henrique Scemes. Type Ia supernovae: environmental dependancies and observational inovations. 2014. Doctoral Thesis - Universidade de São Paulo (USP). Instituto de Física São Paulo.

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