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Spitzer Observations of the Predicted Eddington Flare from Blazar OJ 287

8 Jun 2020, 16:00 UTC
Spitzer Observations of the Predicted Eddington Flare from Blazar OJ 287
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Seppo Laine et al 2020 ApJL 894 L1
Spitzer detected a predicted flare from blazar OJ 287 — in which a secondary black hole orbits a primary, plunging through its accretion disk and producing flares — thus confirming theoretical calculations of the binary’s orbits.

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