X-ray upper limits of GW151226 with MAXI

@article{Serino2017XrayUL,
  title={X-ray upper limits of GW151226 with MAXI},
  author={Motoko Serino and Nobuyuki Kawai and Hitoshi Negoro and Tatehiro Mihara and Takahiro Masumitsu and Satoshi Nakahira},
  journal={arXiv: High Energy Astrophysical Phenomena},
  year={2017}
}
The error region of the the gravitational-wave (GW) event GW151226 was observed with Monitor of All-sky X-ray Image (MAXI). MAXI was operated at the time of GW151226, and continuously observed to 4 minutes after the event. MAXI covered about 84% of the 90 percent error region of the GW event during the first 92 minutes orbit after the event. No significant X-ray transient was detected in the GW error region. A typical 3-$\sigma$ GSC upper limit for a scan is 1.2 $\times 10^{-9}$ ergs cm$^{-2… 

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