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Stellar absorption lines of heavy elements can give us various insights intothe chemical evolution of the Galaxy and nearby galaxies. Recently developedspectrographs for the near-infrared wavelengths are becoming more and morepowerful for producing a large number of high-quality spectra, butidentification and characterization of the absorption lines in the infraredrange remain to be fulfilled. We searched for lines of the elements heavierthan the iron group, i.e., those heavier than Ni, in the Y (9760--11100 AA) andJ (11600--13200 AA) bands. We considered the lines in three catalogs, i.e.,Vienna Atomic Line Database (VALD), the compilation by R. Kurucz, and the listpublished in 1999 by Melendez and Barbuy. Candidate lines were selected basedon synthetic spectra and the confirmation was done by using WINERED spectra of13 supergiants and giants within FGK spectral types (spanning 4000--7200 K inthe effective temperature). We have detected lines of Zn I, Sr II, Y II, Zr I,Ba II, Sm II, Eu II, and Dy II, in the order of atomic number. Although thenumber of the lines is small, 23 in total, they are potentially usefuldiagnostic lines of the Galactic chemical evolution, especially in the regionsfor which interstellar extinction hampers detailed chemical analyses withspectra in shorter wavelengths. We also report the detection of lines whosepresence was not predicted by the synthetic spectra created with the abovethree line lists.

Identification of Absorption Lines of Heavy Metals in the Wavelength Range 0.97--1.32 Micron