Hot-Am stars as intermediary objects to the HgMn and Am stars

We describe the early results of an investigation into the spectral characteristics of the hottest Am stars (A0 A2) in an attempt to link the HgMn and Am classes of chemical peculiarity. A limited sample of hot-Am stars was searched for the presence of lines from the very heavy elements platinum and mercury, as well as a search for lines from the rare-earth… (More)