{
  "bibcode": "2017GCN.20781....1L",
  "body": "B. Li, H.B. Zhao (PMO/CAS), D. Xu (NAO/CAS), G.T. Zhaori, H. Lu, R.Q. \nHong, L.F. Hu (PMO/CAS), T.M. Zhang, X. Zhou, H.X. Feng, Z.P. Zhu \n(NAO/CAS), J.Z. Liu, H.B. Niu, Y. Zhang, X. Zhang, G.X. Pu, S.G. Ma,T.Z. \nYang, F.F. Song (XAO/CAS), J. Mao, J.M. Bai (YNAO/CAS) report on behalf \nof the GWFUNC collaboration:\n\nWe have performed tiled observations of LIGO/Virgo G275697 (LVC, GCN \n20763) using the 1-m Chinese Near Earth Object Survey Telescope (CNEOST) \nat Xuyi, Jiangsu, China.\n\nCNEOST carried out observations during 11:29:44.6 UT - 14:51:15.1 UT on \n2017-02-28 in the Sloan r-filter. The imaging coverage on top of the GW \nprobability map is at\n\nhttps://dl.dropboxusercontent.com/u/3665676/G275697/skymapG275697CNEOST.pdf\n\nand the limiting magnitude varied from m(r)~16 to ~20 mag due to weather \nvariation.\n\nPreliminary analysis doesn't reveal credible optical transients except \nsupernovae discovered prior to the G275697 trigger time.",
  "circularId": 20781,
  "createdOn": 1488352019000,
  "email": "dxu@nao.cas.cn",
  "subject": "LIGO/Virgo G275697: CNEOST optical observations",
  "submitter": "Dong Xu at NAO/CAS  <dxu@nao.cas.cn>",
  "eventId": "LIGO/Virgo G275697"
}