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    Astronomers explore the Properties of Ultra-Diffuse Galaxy UGC 9050-Dw1

    June 23, 2023, Categories  Astronomy/Space

    Study explores the properties of ultra-diffuse galaxy UGC 9050-Dw1
    HST ACS/WFC F555W/F814W composite color image of UGC 9050-Dw1, which consists of very diffuse stellar light and an amorphous blue central clump of a relatively higher surface brightness. The inset at the lower left depicts a high contrast zoom-in of the central region of the UDG. Credit: Fielder et al, 2023

    Using the Hubble Space Telescope (HST) and Jansky Very Large Array (VLA), astronomers have investigated an ultra-diffuse galaxy known as UGC 9050-Dw1. Results of the study, published June 9 on the pre-print server arXiv, yield important insights into the properties of this galaxy.

    Ultra-diffuse galaxies (UDGs) are extremely-low-density galaxies. The largest UDGs have sizes similar to the Milky Way, but have only about 1% as many stars as our home galaxy...

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