TITLE: GCN GRB OBSERVATION REPORT NUMBER: 971 SUBJECT: GRB010222: Sub-millimeter detection DATE: 01/02/22 22:31:31 GMT FROM: Ian Smith at Rice U Michel Fich (U. Waterloo), Robin R. Phillips, Gerald Moriarty-Schieven, Remo P.J. Tilanus (JAC), Dale A. Frail (NRAO), and Ian Smith (Rice U.) report on behalf of the Dutch and Canadian GRB collaborations: "We used the SCUBA sub-millimeter continuum bolometer array on the JCMT to observe the optical (GCN #962, 963, 965) and radio counterpart (GCN #968) to GRB 010222 between 13:03 and 18:16 on 2001 February 22 UT. We detect a source at this location with a preliminary averaged 850 micron flux density of 4.2 +/- 1.2 mJy." Further observations are planned.