This thesis establishes a foundation for studies of relationships between the total ('12)CO J = l-0 emission of galaxies and other global properties. A sensitive survey of a galaxy sample covering a wide range of luminosities and morphological types is combined with all other available observations of ('12)CO in galaxies and the total emission of this sample is extrapolated by modelling the galaxies with an exponential radial profile. A maximum likelihood luminosity function that incorporates both fluxes and flux upper limits is applied to the extrapolated sample. The probability distribution of CO luminosity has a peak at 2.3 x 10('6) Jy km s('-1) Mpc('2) for detections alone and an average value of 1.1 x 10('6) Jy km s('-1) Mpc('2) when upper limits are included. There is a long tail of bright sources. The average luminosity is highest for galaxies of intermediate morphological type. The Appendices to this thesis are a catalog of information on all published ('12)CO observations of galaxies, including a bibliography, a summary of data on the observed galaxies, a comparison of calibration conventions, and a list of the CO distributions of mapped galaxies.
- Pub Date:
- Physics: Astronomy and Astrophysics;
- Maximum Likelihood Estimates;
- Probability Distribution Functions;