RXJ1155.4-5641 outburst The ROSAT-selected dwarf nova RX J1155.4-5641 is in outburst, as reported by Berto Monard. This object shows two types of outbursts (long and short), a long one occurring in 2001 January. Please keep a close watch to see the evolution of the present outburst. YYYYMMDD(UT) mag observer 20010328.897 146 (B. Monard) 20010329.433 <142 (R. Stubbings) 20010329.758 148 (B. Monard) 20010330.453 <142 (R. Stubbings) 20010330.974 146 (B. Monard) 20010331.741 145 (B. Monard) 20010402.732 145 (B. Monard) 20010411.780 <144 (B. Monard) 20010413.426 148 (R. Stubbings) 20010413.940 125 (B. Monard)