Back to the Abstract

	1 Introduction
	2 Technique for determining the emissivity
	3 Submillimeter/millimeter data
	4 Derivation of visual optical depth
	5 Grain temperature from SED fitting
	6 Deriving the emissivity Q
	7 Discussion on the emissivity (Q)
	8 The submm as a tracer of gas
	9 Summary and conclusions
	Appendix
	References

	List of tables
	List of figures