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We present stellar evolution models for 0.5 - 1.2 \Msol at scaledmetallicities of 0.1 - 1.5 Z\sol and O/Fe values of 0.44 - 2.28 O/Fe\sol. Thetime dependent evolution of habitable zone boundaries are calculated for eachstellar evolution track based on stellar mass, effective temperature, andluminosity parameterizations. The rate of change of stellar surface quantitiesand the surrounding habitable zone position are strong functions of all threequantities explored. The range of orbits that remain continuously habitable, orhabitable for at least 2 Gyr, are provided. The results show that the detailedchemical characterization of exoplanet host stars and a consideration of theirevolutionary history are necessary to assess the likelihood that a planet foundin the instantaneous habitable zone has had sufficient time to develop abiosphere capable of producing detectable biosignatures. This model grid isdesigned for use by the astrobiology and exoplanet communities to efficientlycharacterize the time evolution of host stars and their habitable zones forplanetary candidates of interest.

A Catalog of Stellar Evolution Profiles and the Effects of Variable Composition on Habitable Systems