No continuous GW signals detected from eccentric SMBBHs in OJ 287 or nearby clusters; total mass in OJ 287 limited to below 5.25e10 solar masses and high mass-ratio binaries excluded at 10 nHz.
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Targeted search for eccentric supermassive binary black holes in OJ 287 and nearby galaxy clusters with PPTA DR3
No continuous GW signals detected from eccentric SMBBHs in OJ 287 or nearby clusters; total mass in OJ 287 limited to below 5.25e10 solar masses and high mass-ratio binaries excluded at 10 nHz.