A HUBBLE DIAGRAM FROM TYPE II SUPERNOVAE BASED SOLELY ON PHOTOMETRY: THE PHOTOMETRIC COLOR METHOD

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dc.contributor.authorT. de Jaeger, S.
dc.contributor.authorGonzález-Gaitán, J. P.
dc.contributor.authorAnderson, L.
dc.contributor.authorGalbany, M.
dc.contributor.authorHamuy, M. M.
dc.contributor.authorPhillips, M. D.
dc.contributor.authorStritzinger, C. P.
dc.contributor.authorGutiérrez, L.
dc.contributor.authorBolt, C. R.
dc.contributor.authorBurns, A.
dc.contributor.authorCampillay, S.
dc.contributor.authorCastellón, C.
dc.contributor.authorContreras, G.
dc.contributor.authorFolatelli, W. L.
dc.contributor.authorFreedman, E. Y.
dc.contributor.authorHsiao, K.
dc.contributor.authorKrisciunas, W.
dc.contributor.authorKrzeminski, H.
dc.contributor.authorKuncarayakti, N.
dc.contributor.authorMorrell, F.
dc.contributor.authorOlivares E., F.
dc.contributor.authorPersson, S. E.
dc.contributor.authorSuntzeff, N.
dc.date.accessioned2017-07-21T19:28:17Z
dc.date.available2017-07-21T19:28:17Z
dc.date.issued2015-12
dc.descriptionIndexación: Web of Science; Scopus.es_CL
dc.description.abstractWe present a Hubble diagram of SNe II using corrected magnitudes derived only from photometry, with no input of spectral information. We use a data set from the Carnegie Supernovae Project I for which optical and near-infrared light. curves were obtained. The apparent magnitude is corrected by two observables, one corresponding to the slope of the plateau in the V band and the second a color term. We obtain a dispersion of 0.44 mag using a combination of the (V - i) color and the r band and we are able to reduce the dispersion to 0.39 mag using our golden sample. A comparison of our photometric color method (PCM) with the standardized candle method (SCM) is also performed. The dispersion obtained for the SCM (which uses both photometric and spectroscopic information) is 0.29 mag, which compares with 0.43 mag from the PCM. for the same SN sample. The construction of a photometric Hubble diagram is of high importance in the coming era of large photometric wide-field surveys, which will increase the detection rate of supernovae by orders of magnitude. Such numbers will prohibit spectroscopic follow. up in the vast majority of cases, and hence methods must be deployed which can proceed using solely photometric data.es_CL
dc.description.urihttp://iopscience.iop.org/article/10.1088/0004-637X/815/2/121/meta
dc.identifier.citationThe Astrophysical Journal, Volume 815, Number 2es_CL
dc.identifier.issn0004-637X
dc.identifier.otherDOI: 10.1088/0004-637X/815/2/121
dc.identifier.urihttp://repositorio.unab.cl/xmlui/handle/ria/3754
dc.language.isoenes_CL
dc.publisherIOP PUBLISHINGes_CL
dc.subjectDistance scalees_CL
dc.subjectGalaxies: distances and redshiftses_CL
dc.subjectSupernovae: generales_CL
dc.titleA HUBBLE DIAGRAM FROM TYPE II SUPERNOVAE BASED SOLELY ON PHOTOMETRY: THE PHOTOMETRIC COLOR METHODes_CL
dc.typeArtículoes_CL
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