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Highly Embedded 8 μm cores of Star Formation in the Spiral Arms and Filaments of 15 Nearby Disk Galaxies

11 Feb 2020, 17:00 UTC
Highly Embedded 8 μm cores of Star Formation in the Spiral Arms and Filaments of 15 Nearby Disk Galaxies
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Bruce G. Elmegreen and Debra Meloy Elmegreen 2019 ApJS 245 14
Spitzer Space Telescope observations of 15 spiral galaxies show numerous dense cores at 8 μm that, with a possible age between 0.2 and 2 Myr, likely represent the earliest phase for most star formation in these galaxies.

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