Marengo, M.Neeley, J.Bono, G.Braga, V.Dall'Ora, M.Marconi, M.Trueba, N.Magurno, D.2018-03-132018-03-132017-09EPJ Web of Conferences Volume 152, 8 September 2017, Article number 070042101-6275DOI: 10.1051/epjconf/201715207004http://repositorio.unab.cl/xmlui/handle/ria/5425Indexación: Scopus.We present our project to calibrate the RR Lyræ period-luminosity-metallicity relation using a sample of Galactic calibrators in the halo and globular clusters.enObservations of field and cluster RR Lyræ with Spitzer. Towards high precision distances with Population II stellar tracersArtículoAttribution 4.0 International (CC BY 4.0)