COMPARISON BETWEEN IRAS AND ISO-LWS

摘要

The LWS synthetic photometry and IRAS photometry in the IRAS 100 μm band have been compared. This comparison has yielded the relationship between IRAS and LWS photometry and also provides a way of determining the LWS faint source cut-off. We propose that the definition of an LWS faint source is a source with IRAS flux density less than 25 Jy at 100 μm. It is consistent with the selection criteria of IRAS Low Resolution Spectra (LRS) listed in the LRS Catalogue. The percentage difference between IRAS flux density and LWS synthetic flux density is ～ 12.5%.