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Tamura, M. Watanabe, N. Kusakabe, N. Takato, O. Guyon, P. Wong, R. Kandori, R. Suzuki, S. Egner, S. Hayashi, S. Miyama, T. Brandt, T. Currie, T. Henning, T. Kozakis, T. Kudo, T. Matsuo, T. Nishimura, T. Pyo, T. Usuda, T. Yamada, W. Brandner, Y. Hayano, Y. Kuwada","submitted_at":"2012-11-15T21:00:03Z","abstract_excerpt":"We present the direct imaging discovery of an extrasolar planet, or possible low-mass brown dwarf, at a projected separation of 55 +/- 2 AU (1.058 +/- 0.007 arcsec) from the B9-type star Kappa And. The planet was detected with Subaru/HiCIAO during the SEEDS survey, and confirmed as a bound companion via common proper motion measurements. Observed near-infrared magnitudes of J = 16.3 +/- 0.3, H = 15.2 +/- 0.2, Ks = 14.6 +/- 0.4, and L' = 13.12 +/- 0.09 indicate a temperature of ~1700 K. 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Moro-Martin, B. Biller, C. Grady, C. Thalmann, E. Serabyn, E. Turner, G. Knapp, H. Suto, H. Takami, H. Terada, J. Carson, J. Hashimoto, J. Kwon, J. Morino, J. Schlieder, J. Wisniewski, K. Gainey, K. Hodapp, L. Abe, L. Stevens, M. Bonnefoy, M. Feldt, M. Fukagawa, M. Goto, M. Hayashi, M. Ishii, M. Iye, M. Janson, M. Kuzuhara, M. McElwain, M. Takami, M. Tamura, M. Watanabe, N. Kusakabe, N. Takato, O. Guyon, P. Wong, R. Kandori, R. Suzuki, S. Egner, S. Hayashi, S. Miyama, T. Brandt, T. Currie, T. Henning, T. Kozakis, T. Kudo, T. Matsuo, T. Nishimura, T. Pyo, T. Usuda, T. Yamada, W. Brandner, Y. Hayano, Y. Kuwada","submitted_at":"2012-11-15T21:00:03Z","abstract_excerpt":"We present the direct imaging discovery of an extrasolar planet, or possible low-mass brown dwarf, at a projected separation of 55 +/- 2 AU (1.058 +/- 0.007 arcsec) from the B9-type star Kappa And. 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