Dear ASCA users, We have accepted the TOO request to observe SS433 during the big radio flare currently undergoing. We allocate the requested 20 ksec on April 1. The 40 ksec exposrue of Gev 1837-0611 (PI: N. Kawai) once allocated in the span is divided into two observation , each 20 ksec, and the second observation will be performed in the next window hald a year later. TOO target: SS433 during a radio flare PI/CoIs: T. Kotani / N. Kawai, M. Matsuoka F. Nagase ----------------------------------------------------------------------------- A S C A WEEKLY OBSERVATION PLAN ----------------------------------------------------------------------------- March 24 - April 4, 1998, ver-2 (98/ 3/23) (ISAS contact scientist: T. TAKAHASHI (takahasi@astro.isas.ac.jp) ----------------------------------------------------------------------------- Date MNV Target Tag. Exp. Observation PI or start name Cat. (ks) Cat. Pri./TC ( PPI/Co-PI) ----------------------------------------------------------------------------- 3/24 18:50 PG 1700+518 AGN 25 MUJ 1/n W. Brandt /TBD 3/25 10:50 CV Ser Pha=0.5 Star 15 JUS 2/Y Y. Maeda 3/25 20:20 IC443 SNR 40 MUJ 1/n J. Keohane /M. Ozaki 3/27 2:10 M 17 Star 30 JPN 1/n Y. Sekimoto 3/27 21:40 1E 1841-045 SNR 40 USJ 1/n E. Gotthelf 3/28 23:20 RX J1756.5+6512 CG 40 JPN 2/n I. Hatsukade 3/29 21:18 PSR B1823-13 Star 40 JPN 1/n N. Kawai 3/30 21:30 G11.2-0.3 #1 Star 20 JPN 2/n K. Torii 3/31 10:10 GS 1826-24 Bin. 20 ESJ 1/n P. Charles 3/31 21:30 G25 SH 1 SNR 40 US 2/n S. Park 4/ 1 19:40 SS433 Bin. 20 TOO 1/Y K. Kotani 4/ 2 6:50 Gev 1837-0611#1 Star 20 JUS 2/n N. Kawai 4/ 2 18:00 G 18.95-1.1 SNR 20 US 1/n I. Harrus 4/ 3 6:50 29 DR Dra #2 Star 20 MUJ 1/Y T. Simon /TBD 4/ 3 18:00 Gev 1907+0556 Star 40 USJ 2/n R. Romani ( 4/ 4 16:10, 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)