Observations of field and cluster RR Lyræ with Spitzer. Towards high precision distances with Population II stellar tracers

Massimo Marengo; Jillian Neeley; Giuseppe Bono; Vittorio Braga; Massimo Dall’Ora; Marcella Marconi; Nicolas Trueba; Davide Magurno

doi:10.1051/epjconf/201715207004

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Proceedings

Open Access

EPJ Web of Conferences 152, 07004 (2017)
https://doi.org/10.1051/epjconf/201715207004

Observations of field and cluster RR Lyræ with Spitzer. Towards high precision distances with Population II stellar tracers

Massimo Marengo¹, Jillian Neeley¹, Giuseppe Bono²^,3, Vittorio Braga²^,3^,4, Massimo Dall’Ora⁵, Marcella Marconi⁵, Nicolas Trueba¹, Davide Magurno²^,3 and the CRRP Collaboration

¹ Department of Physics and Astronomy, Iowa State University, Ames, IA 50010, USA
² Department of Physics, Università di Roma Tor Vergara, via della Ricerca Scientifica 1, I-00133 Roma, Italy
³ INAF-Osservatorio Astronomico di Roma, via Frascati 33, I-00040 Monte Porzio Catone, Italy
⁴ Departamento de Física, Facultad de Ciencias Exactas, Universidad Andrés Bello, Santiago, Chile
⁵ INAF-Osservatorio Astronomico di Capodimonte, Salita Moiarello 16, I-80131 Napoli, Italy

Published online: 8 September 2017

Abstract

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.

© The Authors, published by EDP Sciences, 2017

This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.