ericb98@u.washington.edu mukadam@astro.washington.edu szkody@astro.washington.edu bernardoborges@ufgd.edu.br holtz@nmsu.edu tharriso@nmsu.edu arne@aavso.org matthewt@aavso.org howell@noao.edu w.lawson@adfa.edu.au sel@lowell.edu mseibert@obs.carnegiescience.edu jkteske@email.arizona.edu

¹ Department of Astronomy, University of Washington, Box 351580, Seattle, WA 98195, USA
² Faculdade de Ciências Exatas e Tecnologia, Universidade Federal da Grande Dourados, CEP 79804-070, Dourados, Brazil
³ Southern Observatory for Astrophysical Research, Casilla 603, La Serena, Chile
⁴ Department of Physics, University of Warwick, Coventry CV4 7AL, UK
⁵ Department of Astronomy, New Mexico State University, Box 30001, MSC 4500, Las Cruces, NM 88003, USA
⁶ AAVSO, 49 Bay State Road, Cambridge, MA 02138, USA
⁷ National Optical Astronomy Observatories, 950 North Cherry Avenue, Tucson, AZ 85726, USA
⁸ School of Physical, Environmental & Mathematical Sciences, University of New South Wales, Australian Defence Force Academy, Canberra, ACT 2600, Australia
⁹ US Naval Observatory, Flagstaff Station, Flagstaff, AZ 86001, USA
¹⁰ Lowell Observatory, 1400 West Mars Hill Road, Flagstaff, AZ 86001, USA
¹¹ Astronomical Institute Anton Pannekoek, University of Amsterdam, Science Park 904, 1098XH Amsterdam, The Netherlands
¹² Observatories Carnegie Institute of Washington, 813 Santa Barbara Street, Pasadena, CA 91101, USA
¹³ Department of Astronomy, University of Arizona, 933 North Cherry Avenue, Tucson, AZ 85721, USA