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.
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http://repositorio.unab.cl/xmlui/handle/ria/5425
Marengo, M.
,
Neeley, J.
,
Bono, G.
,
Braga, V.
,
Dall'Ora, M.
,
Marconi, M.
,
Trueba, N.
,
Magurno, D.
,
[Observations of field and cluster RR Lyræ with Spitzer. Towards high precision distances with Population II stellar tracers]
,
Observations of field and cluster RR Lyræ with Spitzer. Towards high precision distances with Population II stellar tracers
