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Imaging the 44 au Kuiper Belt Analog Debris Ring around HD 141569A with GPI Polarimetry
Abstract 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 μ m) polarimetric differential imaging reveals the highest signal-to-noise ratio detection of this ring yet attained and traces structure inward to 0.″25 (28 au at …