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Revealing the Double Nucleus of NGC 4490

3 Apr 2020, 16:00 UTC
Revealing the Double Nucleus of NGC 4490
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Al Lawrence et al 2020 ApJ 891 11
Mid-infrared Spitzer data shows that NGC 4490, one of the closest interacting/merging galactic systems, has a double nucleus morphology with one nucleus visible in the optical and the other only in infrared and radio.

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