Interferometric molecular line observations of the circumstellar envelope(s) around U Camelopardalis

• We have observed the circumstellar envelope of the carbon star U Cam in the HCN(J = 1 --> 0) and CnT(N = 1 --> 0) lines using the IRAM Plateau de Bure interferometer. There is evidence of a two-envelope structure: an outer extended envelope, possibly a sh

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circumstellar matter; stars; late type; stars; AGB and post-AGB; stars; mass loss; stars; carbon; stars; U Cam; BRIGHT CARBON STARS; MASS-LOSS; CO EMISSION

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