TUCSON, Arizona, May 28 -- The Astrophysical Journal, a research journal from the American Astronomical Society that says it is devoted to recent developments, discoveries and theories in astronomy and astrophysics, published research articles, including the following topics, in its May 20, 2020 edition:

* Are Persistent Emission Luminosity and Rotation Measure of Fast Radio Bursts Related?

* Does Modified Gravity Predict Fast Stellar Bars in Spiral Galaxies?