dc.contributorROBERTO GIOVANNI TERLEVICH AFONSO
dc.contributorELENA KIRILOVSKY TERLEVICH
dc.contributorEMMANUIL MANOLIS PLIONIS LOUKAKI
dc.creatorRICARDO CHAVEZ MURILLO
dc.date2014-10
dc.date.accessioned2018-11-19T14:25:35Z
dc.date.available2018-11-19T14:25:35Z
dc.identifierhttp://inaoe.repositorioinstitucional.mx/jspui/handle/1009/145
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/2258295
dc.descriptionWe propose to use H II galaxies to trace the redshift-distance relation, by means of their L(Hβ) - δ correlation, in an attempt to constrain the dark energy equation of state parameter solution space, as an alternative to the cosmological use of type Ia supernovae. In order to use effectively high redshift H II galaxies as probes of the dark energy equation of state parameter, we must reassess the L(Hβ) - δ distance estimator, minimising the observational uncertainties and taking care of the possible associated systematics, such as stellar age, gas metallicity, reddening, environment and morphology. For a sample of 128 local (0:02 ≲ z ≲ 0:2) compact H II galaxies with high equivalent widths of their Balmer emission lines we obtained ionised gas velocity dispersion from high S/N, high-dispersion spectroscopy (Subaru-HDS and ESO VLT-UVES) and integrated Hβ fluxes from low dispersion wide aperture spectrophotometry.
dc.formatapplication/pdf
dc.languageeng
dc.publisherInstituto Nacional de Astrofísica, Óptica y Electrónica
dc.relationcitation:Chavez-Murillo R.
dc.rightsinfo:eu-repo/semantics/openAccess
dc.rightshttp://creativecommons.org/licenses/by-nc-nd/4.0
dc.subjectinfo:eu-repo/classification/Ecuaciones de energía oscura/Dark energy equations
dc.subjectinfo:eu-repo/classification/Galaxias/HII galaxies
dc.subjectinfo:eu-repo/classification/Formación de estrellas/Star formation
dc.subjectinfo:eu-repo/classification/Constante del Hubble/Hubble constant
dc.subjectinfo:eu-repo/classification/cti/1
dc.subjectinfo:eu-repo/classification/cti/21
dc.titleConstraining the parameter space of the dark energy equation of state using alternative cosmic tracers
dc.typeTesis
dc.typeinfo:eu-repo/semantics/acceptedVersion
dc.audiencestudents
dc.audienceresearchers
dc.audiencegeneralPublic


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