The Siena Galaxy Atlas will be an invaluable tool for research into how galaxies form and evolve, gravitational waves, dark matter, and the structure of our universe Mapping the night sky is essential for understanding our universe. Both researchers and amateur astronomers can now access a new atlas with detailed information on more than 380,000 galaxies: the Siena Galaxy Atlas (SGA). The collection, which provides precise measurements of the locations, shapes, and sizes of large nearby galaxies, promises to be a boon to future astronomical inquiry and is freely accessible online for all to use. The research was published today in the Astrophysical Journal Supplement. The Siena Galaxy Atlas compiles data from three surveys completed between 2014 and 2017 known as the DESI Legacy S...
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