Tag: Ultrafaint Galaxies

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

Note: this post is adapted from this article, originally published by Fermilab The Dark Energy Survey, a global collaboration including researchers at the University of Wisconsin–Madison, has released DR2, the second data release in the survey’s seven-year history. DR2 was the topic of sessions at the 237th Meeting of the American Astronomical Society, which was held …

Dark Energy Survey census of the smallest galaxies hones the search for dark matter

This story is adapted from one originally published by Fermilab Today, scientists in the Dark Energy Survey — including UW–Madison assistant professor of physics Keith Bechtol and his research group — released results that have been five years in the making. Researchers used the world’s most complete census of dwarf galaxies around our Milky Way …

The Milky Way’s satellites help reveal link between dark matter halos and galaxy formation

This story was adapted from one originally published by Nathan Collins at SLAC. Read the original version here. Just as the sun has planets and the planets have moons, our galaxy has satellite galaxies, and some of those might have smaller satellite galaxies of their own. To wit, the Large Magellanic Cloud (LMC), a relatively …