EPJ Web Conf.
Volume 152, 2017Wide-Field Variability Surveys: A 21st Century Perspective – 22nd Los Alamos Stellar Pulsation – Conference Series Meeting
|Number of page(s)||5|
|Section||The distance scale in the era of large surveys|
|Published online||08 September 2017|
Observations of field and cluster RR Lyræ with Spitzer. Towards high precision distances with Population II stellar tracers
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
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.
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