Highlights from AAS Nova: 14 February - 27 March 2021

AAS Nova provides brief highlights of recently published articles from the AAS journals, i.e., The Astronomical Journal (AJ), The Astrophysical Journal (ApJ), ApJ Letters, ApJ Supplements, The Planetary Science Journal, and Research Notes of the AAS. The website's intent is to gain broader exposure for AAS authors and to provide astronomy researchers and enthusiasts with summaries of recent, interesting research across a wide range of astronomical fields.

The following are the AAS Nova highlights from the past two weeks; follow the links to read more, or visit the AAS Nova web page for more posts.

26 March 2021
Exploring the Host Galaxies of Changing-Look AGN
Astrobites reports on a search for changing-look active galactic nuclei. What about their host galaxies causes this change?

24 March 2021
Event Horizon Telescope Traces Magnetic Fields Around a Black Hole
We got our first up-close look at the shadow of a black hole nearly two years ago. Now, the same telescope is giving us a fresh perspective.

23 March 2021
Understanding the Origin and Arrival Rates of Interstellar Objects
Where do interstellar objects come from? And how many should we expect to find every year? Astrobites reports.

22 March 2021
Featured Image: Signs of Accreting Exomoons?
How do you pollute a white dwarf with rare beryllium? The answer may involve the moons of giant planets.

19 March 2021
Searching the Surroundings of a Fast Radio Burst
Recent observations have revealed the detailed surroundings of a nearby fast radio burst.

17 March 2021
Discovery of a Mystery Hidden in Chamaeleon
A deep dive into data archives recently resulted in a serendipitous discovery: the unusual erupting source CN Cha.

16 March 2021
Have We Found the Closest Extragalactic Fast Radio Burst?
A newly discovered fast radio burst lies in the direction of the galaxy M81. Astrobites reports on where it might call home.

15 March 2021
Spotting a Faint Escaping Atmosphere
New observations show the low-density exoplanet HAT-P-18b struggling to hold on to its atmosphere as it’s blasted with high-energy radiation from its nearby host.