The quintuple system 30 Arietis: Comments on orbital stability and habitability

Abstract

The aim of this study is to investigate the potential of habitability for 30 Arietis, a quintuple stellar system located in the Northern Hemisphere. 30 Ari consists of two F-type main-sequence stars and three M dwarfs. The system is highly hierarchical; it encompasses one super-close binary and another binary of moderate separation distance accompanied by an outside component. Significant potential for circumstellar habitability exists regarding the super-close binary, as gauged by the size of the general habitable zone with a width of 1.85 au. Limited potential for habitability is found for the other part of the system given by 30 Ari C, but not for 30 Ari Ba+b. Hence, 30 Ari should be viewed as a system of intermediate relevance for future search missions of habitable exoplanets.