Astronomers document the rise and fall of a rarely observed stellar dance

Astronomers have catalogued 126 years of changes to HS Hydra, a rare evolving eclipsing binary. The two stars in HS Hydra began to eclipse each other starting around a century ago, peaking in the 1960s. The degree of eclipsing then plummeted over the course of just a half century, and will cease around Feb. 2021.

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Dark Energy Survey makes public catalog of nearly 700 million astronomical objects

The international collaboration, including Fermilab, the National Center for Supercomputing Applications, NOIRLab and others, releases a massive, public collection of astronomical data and calibrated images from six years of surveys. This data release is one of the largest astronomical catalogs issued to date.

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