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ATel #6; Andrzej Udalski and Martin Kubiak, Warsaw University Observatory, on behalf of the OGLE collaboration
on 18 Jan 1998; 01:48 UT
Credential Certification: rutledge@rosat.mpe-garching.mpg.de

Subjects: Optical, Gamma-Ray Burst

GRB980109 field was observed by the OGLE collaboration with the 1.3-m Warsaw telescope at the Las Campanas Observatory, Chile on Jan. 10.06, 10.18, 11.05, 12.05 and 16.05, 1998. Ten 900 sec I-band exposures were collected. The field size was 14.2 by 14.2 arcmins covering almost entire error box. None fading or variable stellar-like object was detected up to detection limit of I ~ 21 mag and variability threshold of 0.4 mag.