Texas Advanced Computing Center (TACC) systems support catalog release of over 200,000 new star and galaxy locations. Astronomers have barely scratched the surface of mapping the nearly endless stars and galaxies of the heavens. Using supercomputers and the help of thousands of citizen scientists
“Anyone with any academic credentials can get a TACC account and go on through a web browser to access our data. We’re going to let them access all of our data. This is just the catalog right now. But, the future is going to offer a legacy potential of the science from HETDEX. TACC is helping setting that up,” Cooper said.
One interesting highlight from the catalog is the identification of an active galactic nuclei with strong Lyman-alpha light emission. Gebhadt co-authored aThe Astrophysical Journal“This is what I call ‘naked black holes,'” Gebhardt said. “Nothing confirmed yet, but we suspect these could be out there. Only a survey like HETDEX will be able to find these.”
The science generated from HETDEX adds to the bigger picture of understanding the expansion of the entire universe, unexpectedly growing much faster than expected based on precise observations from theThe Holy Grail for HETDEX is an accurate measure of the Universe expansion rate 10 billion years ago that will reveal the physical model for dark energy.
Astronomers are at odds over how to explain the measure of the current expansion rate. Understanding it could require a modification in the theory of gravity, or a change in the fundamentalA precise value of the expansion rate early in the Universe can be compared to the expansion rate today. This comparison can determine if the Universe will continue to expand forever, or will someday collapse on itself many billions of years from now.
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