Noname manuscript No. (will be inserted by the editor) Old-Aged Stellar Population Distance Indicators Rachael L. Beaton, Giuseppe Bono, Vittorio Francesco Braga, Massimo Dall'Ora, Giuliana Fiorentino, In Sung Jang, Clara E. Mart´ınez-V´azquez,Noriyuki Matsunaga, Matteo Monelli, Jillian R. Neeley, and Maurizio Salaris the date of receipt and acceptance should be inserted later Abstract Old-aged stellar distance indicators are present in all Galactic structures (halo, bulge, disk) and in galaxies of all Hubble types and, thus, are immensely Rachael L. Beaton Hubble Fellow Department of Astrophysical Sciences, Princeton University, 4 Ivy Lane, Princeton, NJ 08544, The Observatories of the Carnegie Institution for Science, 813 Santa Barbara Street, Pasadena CA 91101, E-mail:
[email protected] Giuseppe Bono Department of Physics, University of Rome Tor Vergata INAF-Osservatorio Astronomico di Roma, Vittorio Francesco Braga Department of Physics, University of Rome Tor Vergata ASDC Massimo Dall'Ora INAF-Osservatorio Astronomico di Capdoimonte, Giuliana Fiorentino INAFOAS Osservatorio di Astrofisica & Scienza dello Spazio di Bologna, In Sung Jang Leibniz-Institut fr Astrophysic Potsdam, D-14482 Potsdam, Germany, Clara E. Mart´ınez-V´azquez Cerro Tololo Inter-American Observatory, National Optical Astronomy Observatory, Casilla 603, La Serena, Chile, Noriyuki Matsunaga Department of Astronomy, School of Science, The University of Tokyo, Japan, Matteo Monelli IAC- Instituto de Astrof´ısicade Canarias, Calle V´ıaLactea s/n, E-38205 La Laguna, Tenerife, Spain Departmento de Astrof´ısica, Universidad de La Laguna, E-38206 La Laguna, Tenerife, Spain Jillian R. Neeley Department of Physics, Florida Atlantic University, 777 Glades Rd, Boca Raton, FL 33431 Maurizio Salaris arXiv:1808.09191v1 [astro-ph.GA] 28 Aug 2018 Astrophysics Research Institute, Liverpool John Moores University 146 Brownlow Hill, L3 5RF Liverpool, UK 2 Beaton et al.