Observations of Field and Cluster RR Lyrae with Spitzer. Towards High Precision Distances with Population II Stellar Tracers

Research paper by Massimo Marengo, Jillian R. Neeley, Giuseppe Bono, Vittorio F. Braga, Massimo Dall'Ora, Marcella Marconi, Nicolas Trueba, Davide Magurno, the CRRP Collaboration

Indexed on: 21 Mar '17Published on: 21 Mar '17Published in: arXiv - Astrophysics - Solar and Stellar Astrophysics


We present our project to calibrate the RR Lyrae period-luminosity-metallicity relation using a sample of Galactic calibrators in the halo and globular clusters.