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Bruzzone, K. B. Follette, K. M. Morzinski, K. Ward-Duong, L. Poyneer, L. Pueyo, L.-W. Hung, M. A. Millar-Blanchaer, M. Perrin, M. P. Fitzgerald, P. Arriaga, P. Hibon, P. Ingraham, P. Kalas, Q. Konopacky, R. Dong, R. Doyon, R. J. De Rosa, R. Oppenheimer, R. Patel, R. Soummer, S. J. Goodsell, S. M. Ammons, S. Metchev, S. Thomas, S. Wiktorowicz, S. Wolff, T. Barman, T. Cotten, V. P. Bailey","submitted_at":"2019-11-26T20:09:54Z","abstract_excerpt":"We present the first polarimetric detection of the inner disk component around the pre-main sequence B9.5 star HD 141569A. Gemini Planet Imager H-band (1.65 micron) polarimetric differential imaging reveals the highest signal-to-noise ratio detection of this ring yet attained and traces structure inwards to 0.25\" (28 AU at a distance of 111 pc). The radial polarized intensity image shows the east side of the disk, peaking in intensity at 0.40\" (44 AU) and extending out to 0.9\" (100 AU). 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C. Schneider, A. Rajan, A. Sivaramakrishnan, A. Z. Greenbaum, B. C. Matthews, B. L. Gerard, B. Macintosh, C. Marois, D. Palmer, D. Savransky, E. L. Nielsen, F. Marchis, F. T. Rantakyro, G. Duchene, I. Song, J. Bulger, J. Chilcote, J. E. Larkin, J. Hom, J. J. Wang, J. K. Wallace, J. Maire, J. Mazoyer, J. Patience, J. Rameau, J. R. Graham, J. S. Bruzzone, K. B. Follette, K. M. Morzinski, K. Ward-Duong, L. Poyneer, L. Pueyo, L.-W. Hung, M. A. Millar-Blanchaer, M. Perrin, M. P. Fitzgerald, P. Arriaga, P. Hibon, P. Ingraham, P. Kalas, Q. Konopacky, R. Dong, R. Doyon, R. J. De Rosa, R. Oppenheimer, R. Patel, R. Soummer, S. J. Goodsell, S. M. Ammons, S. Metchev, S. Thomas, S. Wiktorowicz, S. Wolff, T. Barman, T. Cotten, V. P. Bailey","submitted_at":"2019-11-26T20:09:54Z","abstract_excerpt":"We present the first polarimetric detection of the inner disk component around the pre-main sequence B9.5 star HD 141569A. 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