Dear ASCA users, I am sending a revised ASCA observation schedule for April 8-19. ASCA XRT calibrations with Her X-1 for low energy PSF and with Cyg X-1 for offset PSF (supplemental) are installed at the peak of the 35-day cycle high-on state of Her X-1. Accordingly SN1993J will be shifted into the next short-term schedule. F. Nagase ----------------------------------------------------------------------------- A S C A WEEKLY OBSERVATION PLAN ----------------------------------------------------------------------------- April 8 - 19 Revised ver-2 (96/03/25) (ISAS contact scientist: K. MITSUDA mitsuda@astro.isas.ac.jp) ----------------------------------------------------------------------------- Date MNV Target Tag. Exp. Observation PI or start name Cat. (ks) Cat. Pri./TC ( PPI/Co-PI) ----------------------------------------------------------------------------- 4/ 8 17:00 Gal. Ridge-6,#1 SNR 10 JPN 1/n S. Yamauchi 4/ 8 22:10 Gal. Ridge-6,#2 SNR 10 JPN 1/n S. Yamauchi 4/ 9 4:10 Gal. Ridge-6,#3 SNR 10 JPN 1/n S. Yamauchi 4/ 9 10:30 Gal. Ridge-6,#4 SNR 10 JPN 1/n S. Yamauchi 4/ 9 18:20 Gal. Ridge-6,#5 SNR 10 JPN 1/n S. Yamauchi 4/ 9 23:30 Gal. Ridge-6,#6 SNR 10 JPN 1/n S. Yamauchi 4/10 5:50 Gal. Ridge-6,#7 SNR 10 JPN 1/n S. Yamauchi 4/10 13:40 Gal. Ridge-6,#8 SNR 10 JPN 1/n S. Yamauchi 4/10 19:50 Gal. Ridge-6,#9 SNR 10 JPN 1/n S. Yamauchi 4/11 0:10 Gal. Ridge-6,#10 SNR 10 JPN 1/n S. Yamauchi 4/11 7:40 4U 1822-37 Bin. 40 US 1/Y N. White 4/12 11:50 Her X-1 Bin. 25 MOT Cal ASCA team 4/13 2:10 Cyg X-1 Bin. 10 MOT Cal ASCA team 4/13 10:40 Cyg X-1 Bin. 15 MOT Cal ASCA team 4/13 20:10 MS 0811.6+6301 CG 30 MUJ 1/n J.Henry/T.Tsuru 4/14 13:20 A576 CG 50 JPN 1/n H. Ezawa 4/15 21:20 M82 #2 AGN 10 JPN 1/n T. Tsuru 4/16 3:40 R Cr A Star 80 JPN 1/n K. Koyama 4/18 14:50 SS 433 #1 Bin. 40 JUS 1/Y N. Kawai (4/19 19:50 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, MOT: Manager's observatory time