Time-series photometry of Earth flyby asteroid 2012 DA14 Tsuyoshi Terai, Seitaro Urakawa, Jun Takahashi, Fumi Yoshida, Goichi Oshima, Kenta Aratani, Hisaki Hoshi, Taiki Sato, Kazutoshi Ushioda and Yumiko Oasa A&A, 559 (2013) A106 Published online: 22 November 2013 DOI: 10.1051/0004-6361/201322158