Key points are not available for this paper at this time.
We explore in a parameterized manner a very large range of physically plausible equations of state (EOSs) for compact stars for matter that is either purely hadronic or that exhibits a phase transition. In particular, we produce two classes of EOSs with and without phase transitions, each containing one million EOSs. We then impose constraints on the maximum mass (M375, again at a 2 level. On the other hand, because EOSs with a phase transition allow for very compact stars on the so-called ``twin-star'' branch, small radii are possible with such EOSs although not probable, i. e. , 8. 5335. 5 at a 3 level. Finally, since these EOSs exhibit upper limits on, the detection of a binary with a total mass of 3. 4 M_ and {}₁. ₇>461 can rule out twin-star solutions.
Most et al. (Mon,) studied this question.