Posted by Bin Chen | September 14, 2025 | Science highlights

We are pleased to introduce the new Owens Valley Solar Arrays (OVSA) Science Highlights series, which is designed to showcase new results enabled by broadband radio imaging spectroscopy observations made by the Expanded Owens Valley Solar Array (EOVSA) at microwaves and the Owens Valley Radio Observatory’s Long Wavelength Array (OVRO-LWA) at meter-decameter wavelengths.

The first few highlights are now online at https://ovsa.njit.edu/wiki/index.php/OVSA_Science_Highlights, with new ones being added on a regular basis. We welcome all submissions. If your work utilizes OVSA data and would like your results to be featured as a future highlight, please contact Bin Chen (bin.chen [at] njit.edu).

Here are the first highlights:
* #1: Microwave Precursor of a Major Solar Eruption (by Yuankun Kou) — evidence of moderate reconnection and plasma heating during the pre-eruption phase.
* #2: Two Phases of Impulsive SEP Acceleration (by Meiqi Wang) — distinct SEP acceleration periods during an X-class flare.
* #3: The First EOVSA “Cold” Solar Flare (by Gregory Fleishman) — demonstrating nonthermal electrons dominate the flare’s weak thermal response.
* #4: When the Sun Meets the Crab (by Peijin Zhang) — probing the turbulent solar corona using the Crab Nebula.

We have also established channels for communicating with OVSA users to share updates on OVSA observing status (on a weekly basis) and the latest OVSA-related news, including this science highlights series. Please join us in the following ways:
* Join our Slack workspace via this Slack invitation link.
* Subscribing to our Google Group (ovsa-users): To subscribe, just send an email to [email protected].

—The OVSA Team