TITLE: GCN CIRCULAR NUMBER: 9404 SUBJECT: GRB 090519: Limits from BOOTES-1B DATE: 09/05/19 23:59:23 GMT FROM: Martin Jelinek at Inst.Astrophys.Andalucia,Granada Martin Jelinek (IAA Granada) and Petr Kubanek (IPL Valencia) on behalf of the BOOTES team. report We observed the errorbox of the GRB 090519 (Perri et al, GCN9400) with the 30cm robotic telescope BOOTES-1B in Spain. The observation started 99s after the GRB trigger. In our unfiltered images we do not detect any new object within the BAT or XRT errorbox with the following limits: Tstart-Tgrb exposure limit 99s 3.5s 15.1 108s 30s 16.5 108s 23x30s 17.6 This message may be cited