Extended dust shell of the carbon star U Hydrae observed with AKARI H. Izumiura, T. Ueta, I. Yamamura, N. Matsunaga, Y. Ita, M. Matsuura, Y. Nakada, H. Fukushi, H. Mito, T. Tanabé and O. Hashimoto A&A, 528 (2011) A29 Published online: 22 February 2011 DOI: 10.1051/0004-6361/201015163