ASCA weekly

[Fumiaki NAGASE <nagase@astro.isas.ac.jp>]

Dear ASCA users,

Attached you will find an ASCA observation schedule for the period of
May 9 to 22.

During the time when we had the "ASCA Cherry Blossom Workshop",
ASCA itself transferred into a Safe-Hold mode on April 2. This is not 
due to a Gyro trouble but due to mistakes in the attitude control command 
sequence. It took three days to return ASCA to a regular observation
mode and observations were restarted on April 5 at 8:00 (UT). Just after
the time we have installed a 40 ksec TOO observation of GRB970402,
and after then we have started observations along the schedule after G7.7-3.7
(PI: J. Hughes). Due to this SH-mode event, the observations of Galactic 
Ridge 9 #1-10 (PI: S. Yamauchi) and NGC 6558 (PI: H. Negoro) were
cancelled and carried over.

F. Nagase

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A S C A     WEEKLY  OBSERVATION   PLAN
-----------------------------------------------------------------------------
 May 9 - 22, 1997		ver-1   (97/04/15)
(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)
-----------------------------------------------------------------------------
5/ 9	16:30	Vela Sharp BS	SNR	15	JPN	1/n	H. Tsunemi

5/10	 3:30	Vela Sharp B1	SNR	45	JPN	1/n	H. Tsunemi

5/11	 9:00	0543-68.9	SNR	50	US	2/n	J. Hughes

5/12	21:40	0534-69.9	SNR	40	US	2/n	J. Hughes

5/14	 0:40	WR 140  #1	Star	20	MUJ	1/n	M. Corcoran
								/Y. Maeda
5/14	16:20	2EG J2020+4026	Star	100	JPN	1/n	T. Takahashi

5/17	 5:00	RE J2248-511	AGN	20	ESJ	1/n	A. Puchnarewicz

5/17	22:50	RX J2129+0005	CG	40	JPN	2/n	Y. Tanaka

5/19	 3:30	RX J2253-3343	CG	40	JPN	2/n	Y. Tanaka

5/20	13:00	Mkn 42		AGN	40	USJ	1/n	C. Gaskell

5/21	12:30	1E 0035.4-7230	Bin.	20	JPN	2/n	T. Dotani
		
(5/22	 1:30	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 (Calibration and maintenance)