The Hα-based star formation rate density of the universe at z=0.84

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dc.contributor.authorVillar, Victor
dc.contributor.authorGallego Maestro, Jesús
dc.contributor.authorPérez González, Pablo Guillermo
dc.contributor.authorPascual, Sergio
dc.contributor.authorNoeske, Kai
dc.contributor.authorKoo, David C.
dc.contributor.authorBarro, Guillermo
dc.contributor.authorZamorano Calvo, Jaime
dc.date.accessioned2023-06-20T11:02:19Z
dc.date.available2023-06-20T11:02:19Z
dc.date.issued2008-04-10
dc.description© 2008. The American Astronomical Society. We thank Nicolás Cardiel and Armando Gil de Paz for advice and useful comments. V. V. acknowledges the receipt of a Formación de Personal Investigador Fellowship from the Spanish Ministerio de Educación y Ciencia. This work was supported in part by the Spanish Plan Nacional de Astronomía y Astrofísica under grants AYA2003-01676 and AYA2006-02358. This work was supported in part by a generous grant of the New del Amo Foundation Program.
dc.description.abstractWe present the results of an Hα near-infrared narrowband survey searching for star-forming galaxies at redshift z = 0.84. This work is an extension of our previous narrowband studies in the optical at lower redshifts. After removal of stars and redshift interlopers (using spectroscopic and photometric redshifts), we build a complete sample of 165 Hα emitters in the extended Groth strip and GOODS-N fields with L(Hα) > 10^41 ergs s^−1. We compute the Hα luminosity function at z = 0.84 after corrections for [N_π] flux contamination, extinction, systematic errors, and incompleteness. Our sources present an average dust extinction of A(H α) = 1.5 mag. Adopting Hα as a surrogate for the instantaneous SFR, we measure an extinction-corrected SFR density of 0.17^+0.03_−0.03 M_☉ yr^−1 Mpc^−3. Combining this result to our prior measurements at z = 0.02, 0.24, and 0.40, we derive an Hα-based evolution of the SFR density proportional to (1 + z)^β with β = 3.8 ± 0.5. This evolution is consistent with that derived by other authors using different SFR tracers.
dc.description.departmentDepto. de Física de la Tierra y Astrofísica
dc.description.facultyFac. de Ciencias Físicas
dc.description.refereedTRUE
dc.description.sponsorshipMinisterio de Educación y Ciencia (MEC), España
dc.description.sponsorshipProgram aNacional de Astronomía y Astrofísica
dc.description.sponsorshipNew del Amo Foundation Program
dc.description.sponsorshipMinisterio de Economía y Competitividad (MINECO), España
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/34218
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dc.identifier.doi10.1086/528942
dc.identifier.issn0004-637X
dc.identifier.officialurlhttp://dx.doi.org/10.1086/528942
dc.identifier.relatedurlhttp://iopscience.iop.org/
dc.identifier.urihttps://hdl.handle.net/20.500.14352/51630
dc.issue.number1
dc.journal.titleAstrophysical journal
dc.language.isoeng
dc.page.final185
dc.page.initial169
dc.publisherAmerican Astronomical Society
dc.relation.projectIDAYA2003-01676
dc.relation.projectIDAYA2006-02358
dc.rights.accessRightsopen access
dc.subject.cdu52
dc.subject.keywordDeep-field-north
dc.subject.keywordEmission-line galaxies
dc.subject.keywordActive galactic nuclei
dc.subject.keywordDigital sky survey
dc.subject.keywordLuminosity function
dc.subject.keywordForming galaxies
dc.subject.keywordFormation history
dc.subject.keywordEmitting galaxies
dc.subject.keywordRedshift survey
dc.subject.keywordLocal universe
dc.subject.ucmAstrofísica
dc.subject.ucmAstronomía (Física)
dc.titleThe Hα-based star formation rate density of the universe at z=0.84
dc.typejournal article
dc.volume.number677
dspace.entity.typePublication
relation.isAuthorOfPublication303794a4-e4bf-4262-9a94-11bc46167d8e
relation.isAuthorOfPublicationa57c0327-fab0-44e0-9b9c-24b1f7081391
relation.isAuthorOfPublication949589a4-3398-4ac6-805c-5dcf70d066f2
relation.isAuthorOfPublication.latestForDiscovery303794a4-e4bf-4262-9a94-11bc46167d8e
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