Dear ASCA users, We have accepted two TOO observations, XTE J1118+480 and Cygnus X-3 both are currently in outburst, and they are allocated on May 11-12 at the time moving from PKS 2155-304 to NGC 4151. Observation time of NGC 4151 is reduced by 40 ksec from 600 ksec to 560 ksec. F. Nagase ----------------------------------------------------------------------------- A S C A WEEKLY OBSERVATION PLAN (AO-8 Long Observation Program) ----------------------------------------------------------------------------- #8-1, February 13 - August 8 , 2000 ver-3 (00/05/08) (ISAS contact scientist: K. ASAI (asai@astro.isas.ac.jp) ----------------------------------------------------------------------------- Date MNV Target Tag. Exp. Observation PI or start name Cat. (ks) Cat. Pri./TC ( PPI/Co-PI) ----------------------------------------------------------------------------- 2/13 08:00 4U1608-52 Bin. 500 LO8 A/n T. Dotani 2/24 00:00 IC 342, SC 1 Gal. 300 LO8 A/n K. Makishima 3/01 12:00 Mkn 501 AGN 400 LO8 A/n T. Takahashi 3/11 00:00 Sgr A Bin. 400 LO8 A/n H. Murakami 3/22 00:00 SS 433 Bin. 560 LO8 A/n N. Kawai 4/ 4 00:00 SMC SW Bin. 500 LO8 A/n K. Imanishi 4/17 12:00 GRS 1915+105 Bin. 300 LO8 A/n K. Yamaoka 4/25 12:00 SMC survey Gal. 200 LO8 A/n J. Yokogawa 5/01 00:00 RE 1034+30 AGN 20 US 1/Y K. Leighly (AO7 carried over target) 5/01 13:00 PKS 2155-304 AGN 400 LO8 A/n T. Takahashi 5/11 12:00 XTE J1118+480 Bin. 20 TOO 1/Y Y. Ueda 5/12 0:00 Cygnus X-3 Bin. 20 TOO 1/Y S. Kitamoto 5/12 12:00 NGC 4151 AGN 560 LO8 A/n H. Inoue 5/25 00:00 NGC 4395 AGN 300 LO8 A/n K. Iwasawa 6/01 12:00 Akn 564 AGN 1400 LO8 A/n T.J. Turner 7/06 00:00 IRAS 13224-3809 AGN 750 LO8 A/n K. Leighly 7/27 00:00 LMC survey Gal. 440 LO8 A/n J. Yokogawa 8/08 0:00 MNV to next target TBD TBD Cas A N2 SNR 200 MOT Cal. Asca-team TBD TBD Rho Oph Core Star 300 LO8 A/n K. Imanishi TBD TBD V773 Tau Star 300 LO8 A/n S. Yamauchi ----------------------------------------------------------------------------- (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, MOT: Observatory Time (Calibration), TOO: Target of Opportunity, and LO8: AO-8 Long Observation Program.