[1
]Department of Astronomy, The Ohio State University, 140 West 18th Avenue, Columbus,
OH 43210, USA
[2
]Center for Cosmology and Astroparticle Physics, The Ohio State University, 191 W.
Woodruff Avenue, Columbus, OH 43210, USA
[3
]Institute for Astronomy, University of Hawaii, 2680 Woodlawn Drive, Honolulu, HI 96822,USA
[4
]Carnegie Observatories, 813 Santa Barbara Street, Pasadena, CA 91101, USA
[5
]Núcleo de Astronomía de la Facultad de Ingeniería y Ciencias, Universidad Diego Portales,
Av. Ejército 441, Santiago, Chile
[6
]Millennium Institute of Astrophysics, Santiago, Chile
[7
]Kavli Institute for Astronomy and Astrophysics, Peking University, Yi He Yuan Road
5, Hai Dian District, China
[8
]Institute of Theoretical Physics, Faculty of Mathematics and Physics, Charles University
in Prague, Czech Republic
[9
]Warsaw University Observatory, Al Ujazdowskie 4, 00-478 Warsaw, Poland
[10
]The American Association of Variable Star Observers, 49 Bay State Road, Cambridge,
MA 02138, USA
[11
]ASC Technology Services, 433 Mendenhall Laboratory, 125 South Oval Mall, Columbus,
OH 43210, USA