[vsnet-grb-info 24552] LIGO/Virgo S200105ae: Coverage and upper limits from MAXI/GSC observations

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  26651
SUBJECT: LIGO/Virgo S200105ae: Coverage and upper limits from MAXI/GSC observations
DATE:    20/01/07 03:43:48 GMT
FROM:    Motoko Serino at RIKEN/MAXI  <motoko at crab.riken.jp>

S. Sugita, M. Serino (AGU),
N. Kawai (Tokyo Tech), H. Negoro (Nihon U.),
M. Nakajima, W. Maruyama, M. Aoki, K. Kobayashi, R. Takagi (Nihon U.),
T. Mihara, C. Guo, Y. Zhou, T. Tamagawa, M. Matsuoka (RIKEN),
T. Sakamoto, H. Nishida, A. Yoshida (AGU),
Y. Tsuboi, W. Iwakiri, R. Sasaki, H. Kawai, T. Sato (Chuo U.),
M. Shidatsu (Ehime U.), M. Oeda, K. Shiraishi (Tokyo Tech),
S. Nakahira, Y. Sugawara, S. Ueno, H. Tomida, M. Ishikawa, R. Shimomukai, M. Tominaga (JAXA),
Y. Ueda, A. Tanimoto, S. Yamada, S. Ogawa, K. Setoguchi, T. Yoshitake (Kyoto U.),
H. Tsunemi, T. Yoneyama, K. Asakura, S. Ide (Osaka U.),
M. Yamauchi, S. Iwahori, Y. Kurihara, K. Kurogi, K. Miike (Miyazaki U.),
T. Kawamuro (NAOJ), K. Yamaoka (Nagoya U.), Y. Kawakubo (LSU), M. Sugizaki (NAOC)
report on behalf of the MAXI team:

We examined MAXI/GSC all-sky X-ray images (2-20 keV)
after the LVC trigger S200105ae at 2020-01-05 16:24:26.057 UTC (GCN 26640).

At the trigger time of S200105ae, the high-voltage of MAXI/GSC was off,
and it was turned on at T0+93 sec (+1.6 min).
The first one-orbit (92 min) scan observation with GSC after the event covered 82%
of the 90% credible region of the bayestar skymap from 16:25:59 to 17:32:25 UTC (T0+93 to T0+4079 sec).

No significant new source was found in the region in the one-orbit scan observation.
A typical 1-sigma averaged upper limit obtained in one scan observation
is 20 mCrab at 2-20 keV.

If you require information about X-ray flux by MAXI/GSC at specific coordinates,
please contact the submitter of this circular by email.