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ASCA weekly



Dear ASCA users,

Thank you for your cooperation to the ASCA AO5 proposal submission.
We recieved about 280 proposals to Japan time, 170 to US and 60 to ESA/Japan
with about 3-4 times oversubscription in exposure time in each category.

I am sending an ASCA observation schedule for September 9 -18.
Crab pulsar,  PSR 1821-24, and PSR 1509-58 are a series of calibration
for ASCA clock and time assignment. I assume this is the final calibration
for ASCA clock stability and absolute time assignment calibration. The timing
calibration observations are conducted by Dr. Kawai, RIKEN. 
Crab Nebula is for a regular annual calibration of XRT and GIS.

Fumiaki Nagase

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A S C A     WEEKLY  OBSERVATION   PLAN
-----------------------------------------------------------------------------
September 9 - 18	 ver-1   (96/08/9)
(ISAS contact scientist:  K. ASAI	asai@astro.isas.ac.jp)
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Date	MNV	Target 		Tag. 	Exp.	Observation	PI or 
	start	name  		Cat.	(ks)	Cat.  Pri./TC	 ( PPI/Co-PI)
-----------------------------------------------------------------------------
9/ 9	 8:40	4C 74.26	AGN	20	ESJ	2/n	W. Brinkman

9/10	 3:00	LB=0_75		SNR	20	US	1/n	K. Ebisawa

9/10	19:00	LB=0_100	SNR	20	US	1/n	K. Ebisawa

9/11	 7:40	LB=0_50		SNR	20	US	1/n	K. Ebisawa

9/11	22:10	Gal Ridge-3 #1	SNR	10	JPN	1/n	S. Yamauchi

9/12	 4:40	Gal Ridge-3 #1	SNR	10	JPN	1/n	S. Yamauchi

9/12	12:30	Gal Ridge-3 #1	SNR	10	JPN	1/n	S. Yamauchi

9/12	19:30	Gal Ridge-3 #1	SNR	10	JPN	1/n	S. Yamauchi

9/13	 1:50	Gal Ridge-3 #1	SNR	10	JPN	1/n	S. Yamauchi

9/13	 9:10	Gal Ridge-3 #1	SNR	10	JPN	1/n	S. Yamauchi

9/13	17:10	Gal Ridge-3 #1	SNR	10	JPN	1/n	S. Yamauchi

9/13	23:30	Gal Ridge-3 #1	SNR	10	JPN	1/n	S. Yamauchi

9/14	 5:00	Gal Ridge-3 #1	SNR	10	JPN	1/n	S. Yamauchi

9/14	12:20	Gal Ridge-3 #1	SNR	10	JPN	1/n	S. Yamauchi

9/14	19:10	3C353		AGN	40	JPN	2/n	K. Iwasawa

9/15	20:30	Crab pulsar  #1	Star	10	MOT	CAL	ASCA-team

9/16	 3:10	PSR 1821-24	Star	30	MOT	CAL	ASCA-team

9/16	20:20	Crab pulsar  #2	Star	10	MOT	CAL	ASCA-team

9/17	 3:00	PSR 1509-58	Star	10	MOT	CAL	ASCA-team

9/17	12:30	Crab Nebula	SNR	40	MOT	CAL	ASCA-team
		
(9/18	14:10	to next target)
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(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 (Calibration and maintenance)