astro-ph.GA
The Microlensing Event Rate and Optical Depth from MOA-II 9 year Survey toward the Galactic Bulge
Kansuke Nunota Takahiro Sumi Naoki Koshimoto Nicholas J. Rattenbury Fumio Abe Richard Barry David P. Bennett Aparna Bhattacharya Akihiko Fukui Ryusei Hamada Shunya Hamada Naoto Hamasaki Yuki Hirao Stela Ishitani Silva Yoshitaka Itow Yutaka Matsubara Shota Miyazaki Yasushi Muraki Tsutsumi Nagai Greg Olmschenk Clement Ranc Yuki K. Satoh Daisuke Suzuki Paul J. Tristram Aikaterini Vandorou Hibiki Yama