Dear ASCA users, Accepting the request for ASCA TOO observations of SMC X-3 by Robin Corbet et al., we have installed the observations on December 12. The flare up of the source was detected by RXTE after a long, 20 years quiescent period (see IAUC No. # by Marshall et al.). To install this TOO observations, the exposure time for MS 1244.2+7114 (Priority-C, PI: A. Furuzawa) and Cl. Link Region (Priority-C, PI: H. Tomida) were reduced from 40 ksec to 30 ksec. ASCA TOO observations of SMC X-3: PI: R. Corbet CoIs: J. Lochner, F. Marshall Japanese CoIs: M. Ozaki, TBD, (TBD) The source was observed last night and Japanese CoIs are now performing a quick analysis. The results, such as accurate position of the source will be informed soon. F. Nagase ----------------------------------------------------------------------------- A S C A WEEKLY OBSERVATION PLAN ----------------------------------------------------------------------------- December 5 -17, 1997 ver-1 (97/1/14) (ISAS contact scientist: Y. Ueda (ueda@astro.isas.ac.jp) ----------------------------------------------------------------------------- Date MNV Target Tag. Exp. Observation PI or start name Cat. (ks) Cat. Pri./TC ( PPI/Co-PI) ----------------------------------------------------------------------------- 12/ 5 4:50 C Hale-Bopp CXB 30 MJU 2/Y J. Watanabe /C Lisse 12/ 6 3:30 Carina Dwarf Gal. 50 JPN 2/n N. Arimoto 12/ 7 16:10 NGC 4111 #1 Gal. 20 JUS 2/n Y. Terashima 12/ 8 4:50 A2667 CG 40 JPN 3/n Y. Tanaka 12/ 9 6:10 A133 CG 40 MUJ 2/n C. Sarazin /K. Kikuchi 12/10 9:20 RX J0134-42 AGN 50 ESJ 2/n D. Grupe 12/11 18:50 IRAS 11598-0112 AGN 20 JPN 3/n T. Yamada 12/12 11:10 SMC X-3 (tr) Bin. 20 OT TOO R. Corbet 12/12 23:40 MS 1244.2+7114 CG 30 JPN 3/n A. Furuzawa 12/13 20:20 Cl. Link Region CG 30 JPN 3/n H. Tomida 12/14 12:40 Mkn 205 AGN 40 JPN 2/n F. Makino 12/15 9:40 NGC 4111 #2 Gal. 20 JUS 2/n Y. Terashima 12/15 22:10 MCG-2-58-22 #2 AGN 40 US 2/Y K. Weaver (12/17 3:00 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)