Number density versus (photospheric uncorrected) radiative loss, log R_IRT, from RAVE data. a. Density distribution from the resolution-corrected but metallicity-uncorrected sample. The three colours indicate increasing average S/N. White is for the initial RAVE targets with spectra of S/N>15, dark blue is for a sample with S/N>30, and light blue for S/N>40. The magenta line is a double Gaussian fit to the sample with S/N>40. b. As above, but with metallicity correction and for B–V limited to 0.53–0.73 mag. The radiative losses of the 13 stars from Table 2 are marked with blue dots. The two MM candidates are highlighted with light blue.