Dear ASCA users, The target, SGR 1900+14 (PI: K. Hurley) carried from the previous short-term schedule is installed on April 30 by relpacing with the two targets, IRAS F09039+0503 (PI: T. Nakagawa) and Mrk 704 (PI: K. Leighly). These two targets will be on the next short-term schedule. F. Nagase ----------------------------------------------------------------------------- A S C A WEEKLY OBSERVATION PLAN ----------------------------------------------------------------------------- April 23 - May 5, 1998, ver-2 (98/ 3/24) (ISAS contact scientist: M. OZAKI (ozaki@astro.isas.ac.jp) ----------------------------------------------------------------------------- Date MNV Target Tag. Exp. Observation PI or start name Cat. (ks) Cat. Pri./TC ( PPI/Co-PI) ----------------------------------------------------------------------------- 4/23 1:50 LBQS2111-4335 AGN 25 MUJ 1/n W. Brandt /TBD 4/23 22:40 Mkn 421 AGN 300 JPN 1/Y T. Takahashi 4/30 20:00 SGR 1900+14 SNR 80 USJ 2/n K. Hurley (AO-5 Re-observation) 5/ 3 2:40 A 1430 CG 60 MUJ 2/n J. Burns /TBD 5/ 4 13:10 Mrk 142 AGN 30 USJ 1/n K. Leighly (5/ 5 8:20, MNV to next target) ----------------------------------------------------------------------------- (Note) Obs. Cat. JPN: Japan time, US: US time, JUS: Japan-US Collaboration, USJ: US-Japan Collaboration, MJU: Merged Japan-US (PPI=Japan), MUJ: Merged US-Japan (PPI=US), ESJ: ESA-Japan Program, OT: Observatory Time (Calibration, maintenance and TOO)