Utilizza questo identificativo per citare o creare un link a questo documento:
http://hdl.handle.net/20.500.12386/29754
Campo DC | Valore | Lingua |
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dc.contributor.author | Rich, Jeffrey A. | en_US |
dc.contributor.author | Madore, Barry F. | en_US |
dc.contributor.author | Monson, Andrew J. | en_US |
dc.contributor.author | Freedman, Wendy L. | en_US |
dc.contributor.author | Beaton, Rachael L. | en_US |
dc.contributor.author | CLEMENTINI, Gisella | en_US |
dc.contributor.author | GAROFALO, Alessia | en_US |
dc.contributor.author | Hatt, Dylan | en_US |
dc.contributor.author | Hoyt, Taylor | en_US |
dc.contributor.author | Jang, In-Sung | en_US |
dc.contributor.author | Kollmeier, Juna A. | en_US |
dc.contributor.author | Lee, Myung Gyoon | en_US |
dc.contributor.author | Neeley, Jillian R. | en_US |
dc.contributor.author | Scowcroft, Victoria | en_US |
dc.contributor.author | Seibert, Mark | en_US |
dc.date.accessioned | 2021-01-13T15:27:51Z | - |
dc.date.available | 2021-01-13T15:27:51Z | - |
dc.date.issued | 2018 | en_US |
dc.identifier.issn | 0004-637X | en_US |
dc.identifier.uri | http://hdl.handle.net/20.500.12386/29754 | - |
dc.description.abstract | We present photometry of 30 Galactic RR Lyrae variables taken with HST WFC3/IR for the Carnegie-Chicago Hubble Program. These measurements form the base of the distance-ladder measurements that comprise a pure Population II base to a measurement of H <SUB> o </SUB> at an accuracy of 3%. These data are taken with the same instrument and filter (F160W) as our observations of RR Lyrae stars in external galaxies so as to minimize sources of systematic error in our calibration of the extragalactic distance scale. We calculate mean magnitudes based on one to three measurements for each RR Lyrae star using star-by-star templates generated from densely time-sampled data at optical and midinfrared wavelengths. We use four RR Lyrae stars from our sample with well-measured HST parallaxes to determine a zero-point. This zero-point will soon be improved with the large number of precise parallaxes to be provided by Gaia. We also provide preliminary calibration with the TGAS and Gaia DR2 data, and all three zero points are in agreement, to within their uncertainties. | en_US |
dc.language.iso | eng | en_US |
dc.title | The Carnegie-Chicago Hubble Program: Calibration of the Near-infrared RR Lyrae Period-Luminosity Relation with HST | en_US |
dc.type | Article | - |
dc.identifier.doi | 10.3847/1538-4357/aae980 | en_US |
dc.identifier.scopus | 2-s2.0-85058463361 | en_US |
dc.identifier.isi | 000453283500015 | en_US |
dc.identifier.url | https://iopscience.iop.org/article/10.3847/1538-4357/aae980/pdf | en_US |
dc.relation.medium | STAMPA | en_US |
dc.relation.volume | 869 | en_US |
dc.relation.issue | 1 | en_US |
dc.relation.firstpage | 82 | en_US |
dc.type.referee | REF_1 | en_US |
dc.relation.scientificsector | FIS/05 - ASTRONOMIA E ASTROFISICA | en_US |
dc.relation.journal | THE ASTROPHYSICAL JOURNAL | en_US |
dc.type.miur | 262 Articolo in rivista | - |
dc.identifier.adsbibcode | 2018ApJ...869...82R | en_US |
dc.description.apc | no | en_US |
dc.description.oa | 1 – prodotto con file in versione Open Access (allegare il file al passo 5-Carica) | en_US |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
item.grantfulltext | open | - |
item.languageiso639-1 | en | - |
item.openairetype | Article | - |
item.cerifentitytype | Publications | - |
crisitem.journal.journalissn | 0004-637X | - |
crisitem.journal.ance | E016252 | - |
crisitem.author.dept | OAS Bologna | - |
crisitem.author.orcid | 0000-0001-9206-9723 | - |
crisitem.author.orcid | 0000-0002-5907-0375 | - |
È visualizzato nelle collezioni: | 1.01 Articoli in rivista |
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