Definition: Subastragaloids are a class of stellar objects in the constellation of Aquarius, which are known for their resemblance to subdwarf stars. They are also known as "substellar" or "subdwarf stars," and they are often found in the outer regions of the star system, away from the main sequence. Subastragaloids can be classified into two groups: the "subdwarf" group and the "supersubdwarf" group. The subdwarf group includes