FORMALDEHYDE DENSITOMETRY OF STARBURST GALAXIES
@article{Mangum2008FORMALDEHYDEDO, title={FORMALDEHYDE DENSITOMETRY OF STARBURST GALAXIES}, author={J. Mangum and J. Darling and K. Menten and C. Henkel}, journal={The Astrophysical Journal}, year={2008}, volume={673}, pages={832-846} }
With a goal toward deriving the physical conditions in external galaxies, we present a survey of the formaldehyde emission in a sample of starburst systems. By extending a technique used to derive the spatial density in star formation regions in our own Galaxy, we show how the relative intensity of the 110-111 and 211-212 K-doublet transitions of H2CO can provide an accurate densitometer for the active star formation environments found in starburst galaxies. Relying on an assumed kinetic… CONTINUE READING
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