Back to the Abstract

	1 Introduction
	2 Characteristics of high-density tracers in galaxies
	3 Observations
	4 Results
	5 The CO line characteristics
	6 High-density tracer molecules
	7 Modelling of a ULIRG outburst
	8 Molecular excitation environments
	9 Diagnostics with tracer lines
	10 Summary
	References
	Online Material
	Appendix A: Display spectral data
	Appendix B: Data tables

	List of tables
	List of figures