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The predicted infrared spectrum of ZrO and its possible presence in S stars

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Abstract

The unidentified absorption feature at 9730±5 Å observed in the spectra of pure S stars is provisionally identified with the predicted 9732 Å (0,0) band of thee 1II-c 1Δ transition of ZrO molecule. Relative band strengths and band head positions ofthis transition in the 8300–12 500 Å region are presented to assist both laboratory and stellar spectral studies. The insistent need for the laboratory study of gas phase infrared spectrum of ZrO is accentuated.

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  1. Indian Institute of Astrophysics, Kodaikanal, India

    P. S. Murty

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  1. P. S. Murty
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Murty, P.S. The predicted infrared spectrum of ZrO and its possible presence in S stars. Astrophys Space Sci 68, 513–518 (1980). https://doi.org/10.1007/BF00639718

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