High Resolution $λ$=1mm CARMA Observations of Large Molecules in Orion-KL

Details High Resolution $λ$=1mm CARMA Observations of Large Molecules in Orion-KL High Resolution $λ$=1mm CARMA Observations of Large Molecules in Orion-KL

2007-09-20

arxiv.org/abs/0709.3232v1

Astronomy and Astrophysics

Astrophysics

29 pages, 11 figures, accepted for publication in ApJ

Scientific paper

10.1086/523896

We present high resolution, Combined Array for Research in Millimeter-Wave Astronomy (CARMA), $\lambda$=1mm observations of several molecular species toward Orion-KL. These are the highest spatial and spectral resolution 1mm observations of these molecules to date. Our observations show that ethyl cyanide [C$_2$H$_5$CN] and vinyl cyanide [C$_2$H$_3$CN] originate from multiple cores near the Orion hot core and IRc7. Additionally we show that dimethyl ether [(CH$_3$)$_2$O] and methyl formate [HCOOCH$_3$] originate from IRc5 and IRc6 and that acetone [(CH$_3$)$_2$CO] originates only from areas where both N-bearing and O-bearing species are present.

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