It’s time for another Saturday update of activity at the Open Journal of Astrophysics. Since the last update we have published a further three papers, bringing the number in Volume 9 (2026) to 259 and the total so far published by OJAp up to 707.
I continue to include the posts made on our Mastodon account (on Fediscience); these announcements also contain a clickable form of the DOI for each paper. Our Mastodon account has regular updates and other announcements from OJAp too, including posts from the OJAp blog.
The first paper this week was published on Tuesday 3rd November in the folder Cosmology and Nongalactic Astrophysics. The title is “Selection effects in correlated observations with application to distance-ladder observations” and it is by Will J. Percival (U. Waterloo, Canada). It presents a discussion of the selection bias resulting from correlated observables, how to mitigate such effects, and the implications for the Hubble Tension.
The overlay for this one is here:
You can find the officially accepted version on arXiv here and the announcement on Fediverse here:
The second paper for this week, published on Wednesday 4th November in the folder Astrophysics of Galaxies, is “Effects of Resolution and Local Stability on Galactic Disks: I. Multiple Spiral Mode Formation via Swing Amplification” by SungWon Kwak, Ivan Minchev, Christoph Pfrommer & Matthias Steinmetz (Leibniz-Institüt für Astrophysik Potsdam, Germany) and Sukyoung K. Yi (Yonsei U., Republic of Korea). This article presents a theoretical study of the formation of spiral modes in Milky Way type galaxies, showing that a simulated halo with appropriate mass resolution can sustain multi-mode spiral structure.
The overlay looks like this:
The official version of the paper can be found on arXiv here and the Fediverse announcement here:
The third and final paper of the week, published on Friday November 6th 2026 in the folder Cosmology and Nongalactic Astrophysics is “Clustering redshift distribution calibration of weak lensing surveys using the DESI-DR1 spectroscopic dataset” by R. Ruggeri (Queensland U. Tech, Australia) and 64 others distributed around the world. Using DESI spectroscopic data, researchers independently calibrate redshift distributions for DES, KiDS, and HSC weak-lensing samples, finding agreement with existing methods and offering a robust way to reduce cosmological uncertainties.
The overlay for this is here:
The accepted version of this one can be found on the arXiv here and the Mastodon announcement here:
That concludes this week’s update. It has been a slower week than average, but we have plenty of papers in the pipeline and I’m still hopeful that we will reach a total of 300 papers this year.
