The Astrophysical Journal

The Astrophysical Journal

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

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Author

D. N. Friedel1 and L. E. Snyder1

Affiliations

1 Department of Astronomy, University of Illinois, 1002 West Green Street, Urbana, IL 61801

E-mail

friedel@astro.uiuc.edu snyder@astro.uiuc.edu

Journal

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Issue

Volume 672, Number 2

Citation

D. N. Friedel and L. E. Snyder 2008 ApJ 672 962

doi: 10.1086/523896


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ABSTRACT
We present high-resolution Combined Array for Research in Millimeter-Wave Astronomy (CARMA) λ = 1 mm observations of several molecular species toward Orion-KL. These are the highest spatial and spectral resolution 1 mm observations of these molecules to date. Our observations show that ethyl cyanide [C2H5CN] and vinyl cyanide [C2H3CN] originate from multiple cores near the Orion hot core and IRc7. In addition we show that dimethyl ether [(CH3)2O] and methyl formate [HCOOCH3] originate from IRc5 and IRc6 and that acetone [(CH3)2CO] originates only from areas where both N-bearing and O-bearing species are present.
Subject headings

astrochemistry; ISM: individual (Orion-KL); ISM: molecules; radio lines: ISM


Dates

Issue 2 (2008 January 10)

Received 2007 September 10 , accepted for publication 2007 September 20



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