Penn Physics and Astronomy Researchers Lead Effort to Publish Data About Hundreds of Millions of Astronomical Objects

In collaboration with The Dark Energy Survey, faculty and researchers in the Department of Physics and Astronomy contributed to the publication of catalog of nearly 700 million astronomical objects. Profs. Bhuvnesh Jain, Gary Bernstein, Masao Sako and researcher Mike Jarvis worked in collaboration with more than 400 scientists from 26 institutions "to understand dark energy and its role in the accelerating expansion of the universe."