TUCSON, Arizona, Oct. 16 -- 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 on the following topics in its Oct. 20 2021 edition:

* Identifying AGN Host Galaxies by Machine Learning with HSC+WISE

* Multi-scale Dust Polarization and Spiral-like Stokes-I Residual in the Class I Protostellar System TMC-1A