Paper:	Comparing the Chemistry of Oxygen-Rich and Carbon-Rich Circumstellar Envelopes Using the ARO Submillimeter Telescope
Volume:	417, Submillimeter Astrophysics and Technology: A Symposium Honoring Thomas G. Phillips
Page:	225
Authors:	Tenenbaum, E. D.; Woolf, N. J.; Ziurys, L. M.; Milam, S. N.; Schöier, F. L.
Abstract:	We are conducting a continuous spectral survey from 215 to 285 GHz toward the circumstellar envelopes of VY CMa and IRC +10216 using the Submillimeter Telescope of the Arizona Radio Observatory. The survey gives a comparative picture of chemistry in a carbon-rich and an oxygen-rich circumstellar envelope, and it also provides the first unbiased line scan of an oxygen-rich shell. In VY CMa, 19 molecules have been observed thus far, including exotic species such as NaCl, PO, and AlO.

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