Can EF Core map a property to a non-id column from another table?

Question

Table1:
int Id
string Name

Table2:
int Id
string X

Is it possible to have an entity like this?

class MyEntity {
   int Id { get; } //  Table1's
   string Name { get; }
   string X { get; } 
}

I do NOT want to have a separate entity for Table2.

Explanation:

The reason why I don't want a separate entity is because I'm trying to achieve encapsulation.

The Table1.Name and Table2.X go hand in hand from a business rule point of view, the properties need to be kept in "sync". One one is updated, so is the other one, based on some value logic.

With a separate entity class (Table2), it would require having the Table2.X property public so that it can be set from MyEntity entity class. Instead, I would like to have the X property in the MyEntity class, in order to set both the Name and X properties together and keep them in sync.

I think MyEntity is an aggregate.