Highlights from AAS Nova: 10–23 December 2023

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 AAS Nova for more posts.

21 December 2023
Selections from 2023: Living on the Edge of Night and Day
On some exoplanets, a narrow region where it's permanently dawn or dusk may be the only place that's habitable. The amount of water on these planets plays a surprising role in whether it stays that way.

20 December 2023
Selections from 2023: Surveying the Galactic Plane
More than 3 billion objects have been catalogued in the Dark Energy Camera Plane Survey, which this year released its second batch of data.

19 December 2023
Selections from 2023: A Mysterious Nebula Near Andromeda
Though the Andromeda Galaxy has been photographed countless times, a team of amateur astronomers has found that it still holds some mysteries.

18 December 2023
Selections from 2023: Sharpening Our Images of a Supermassive Black Hole
In April 2019, the Event Horizon Telescope collaboration released the first image of a supermassive black hole. This image was far from the last, and new algorithms have brought the data into sharper focus.

15 December 2023
JWST: The World’s Most Sophisticated Carbon Monoxide Detector
Astronomers were pretty sure that WASP-39 b’s atmosphere was filled with carbon monoxide. Now, thanks to innovative use of a technique that hadn’t previously been used on JWST data, they’ve found it.

13 December 2023
Monthly Roundup: The Sun, Space Weather, and Solar Flares
Four research articles take on small-scale phenomena in coronal plumes, the question of magnetic reconnection, red-winged flares, and solar wind forecasts.

12 December 2023
Siblings or Only Children: M-dwarf Planets
Astrobites reports on the differences between planets orbiting M dwarfs in single-planet and multi-planet systems.

11 December 2023
Featured Image: Surveying the Milky Way’s Faint X-ray Sources
The first phase of a survey designed to discover faint X-ray sources in our galaxy is complete, resulting in the discovery of hundreds of new sources.