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We present the more refined abundances of elements (C, O, Na, Mg, Al, Si, Ca,Sc, Ti, V, Cr, Mn, Fe, Ni, Zn, Sr, Y, Zr and Ba) determined using thecomputationally intensive ATLAS12 atmosphere model for the metallic-line starsPi Dra and HR 7545. We compare the chemical abundances derived from ATLAS9model atmosphere with those of derived from ATLAS12. The abundances are inagreement with each other, within their uncertainties. We thus state thatATLAS9 may be used for the abundance analysis of slowly rotating chemicallypeculiar stars, such as Pi Dra and HR 7545.

Refined Chemical Abundances of Pi Dra and HR 7545 with ATLAS12