Discovery of a Dying Supermassive Black Hole Via a 3,000-year-long Light Echo (3 of 3) (IMAGE)
Caption
An X-ray (8-24 keV) image of Arp 187 obtained by NASA NuSTAR X-ray satellite. The black circle shows the location of Arp 187, showing a non-detection.
Credit
Ichikawa et al.
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Ichikawa et al.
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