TITLE:   GCN CIRCULAR
NUMBER:  29425
SUBJECT: SGR 1935+2154: MAXI/GSC detection
DATE:    21/02/08 12:51:35 GMT
FROM:    Motoko Serino at RIKEN/MAXI  <motoko@crab.riken.jp>

T. Kawamuro (UDP/NAOJ), M. Serino (AGU),
H. Negoro, M. Nakajima, M. Aoki, K. Kobayashi, R. Takagi, K. Asakura, K. Seino (Nihon U.),
T. Mihara, T. Tamagawa, M. Matsuoka (RIKEN),
T. Sakamoto, S. Sugita, H. Nishida, K. Komachi, A. Yoshida (AGU),
Y. Tsuboi, W. Iwakiri, R. Sasaki, H. Kawai, Y. Okamoto, S. Kitakoga (Chuo U.),
M. Shidatsu (Ehime U.),
N. Kawai, R. Adachi, M. Niwano, R. Hosokawa (Tokyo Tech),
S. Nakahira, Y. Sugawara, S. Ueno, H. Tomida, M. Ishikawa, M. Tominaga, T. Nagatsuka (JAXA),
Y. Ueda, S. Yamada, S. Ogawa, K. Setoguchi, T. Yoshitake, Y. Goto, R. Uematsu (Kyoto U.),
H. Tsunemi (Osaka U.),
M. Yamauchi, K. Kurogi, K. Miike (Miyazaki U.),
K. Yamaoka (Nagoya U.),
Y. Kawakubo (LSU),
M. Sugizaki (NAOC) 
report on behalf of the MAXI team:

The MAXI/GSC nova alert system triggered on one short burst 
at 00:35:52 UTC on 2021/02/07 from a position consistent with an active Soft 
Gamma Repeater of SGR 1935+2154 (GCN 29363, 29365, 29373, 
29374, 29377, 29381, 29383, 29388, Atel #14359).

The duration of the burst is about 0.1 sec, and its 5 ms peak flux reached about 
130 Crab in the 2-20 keV band.