Discovery of multiple dust shells beyond 1?arcmin in the circumstellar envelope of IRC?+10216 using Herschel/PACS ?

Authors: L. Decin, P. Royer, N. L. J. Cox, B. Vandenbussche, R. Ottensamer, J. A. D. L. Blommaert, M. A. T. Groenewegen, M. J. Barlow, T. Lim, F. Kerschbaum, T. Posch and C. Waelkens.<br />Astronomy & Astrophysics Vol. 534 , page A1<br />Published online: 20/09/2011<br />
Keywords:
stars: AGB and post-AGB ; circumstellar matter ; stars: carbon ; stars: individual: IRC +10216.

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