What you would see, says Fender, is emission in the x-ray, radio, infrared or optical.
FORBES: Free-Floating, Nearby Black Holes Detectable By Decade's End, New Study Reports
But the scientists are confident the object is a pulsar, rather than a regular neutron star, because of its high-energy emission and the fact that it doesn't show up in optical wavelengths.
MSN: Runaway star may be fastest pulsar yet - Technology & science - Space - Space.com | NBC News
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