2017PASP..129g4201R

We use the Modules for Experiments in Stellar Astrophysics (MESA) code to calculate the yields of ⁷Li in the ejecta of classical novae, occurring on the surface of carbon-oxygen (CO) and oxygen-neon-magnesium (ONeMg) white dwarfs (WDs). Taking the masses and the mass accretion rates of WDs as input parameters, this article presents a grid showing the yield of ⁷Li from classical novae, including a total of 79 models. Under similar input parameters, the ⁷Li yields in our models are consistent with previous ones in the literature. ⁷Li yields recently inferred spectroscopically from classical nova V1369 Cen are then compared with the theoretical values obtained in this work. Using the grid as its basis and population synthesis as its method, this paper estimates the amount of ⁷Li produced by classical novae compared to the total ⁷Li in the Galaxy. Our simulations suggest that novae can eject about 10^–9M_☉ of ⁷Li every year. Hence, one may estimate that approximately 10% of ⁷Li in the Galaxy originates from classical novae, which is significantly higher than the ⁷Li produced by asymptotic giant branch stars.