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Complex chemistry in star-forming regions

  • Robin T. Garrod (a1), Susanna L. Widicus Weaver (a2) and Eric Herbst (a3)

Abstract

We present a new gas-grain chemical model that allows the grain-surface formation of saturated, complex, organic species from their constituent functional-groups–basic building blocks that derive from the cosmic ray-induced photodissociation of the granular ice mantles. The surface mobility of the funtional-group radicals is crucial to the reactions, and much of the formation of complex molecules occurs at the intermediate temperatures (~20–40 K) attained during the warm-up of the hot core. Our model traces the evolution of a large range of detected, and as yet un-detected, complex molecules.

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References

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Garrod, R. T. & Herbst, E. 2006, AA, 457, 927
Garrod, R. T., Widicus Weaver, S. L., & Herbst, E. 2008, ApJ, 682, 283
Geppert, W. D., Hamberg, M., Thomas, R. D., et al. 2006, Faraday Discuss., 133, 51
Horn, A., Møllendal, H., Sekiguchi, O., et al. 2004, ApJ, 611, 605
van Dishoeck, E. F. & Blake, G. A. 1998, ARAA, 36, 317
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Keywords

Complex chemistry in star-forming regions

  • Robin T. Garrod (a1), Susanna L. Widicus Weaver (a2) and Eric Herbst (a3)

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