CHIEF OBSERVER'S REPORT for Week 12
                      19-Mar-01 through 25-Mar-01 

                               A. Takeda

GENERAL 

Flare activity was high during the week. 13 M-class flares were reported. 
These events were all M1-class, except the one on 25th (M2.5 @AR9393).
They were generally spiky and short-lived. SXT must have observed a few 
of them around DSN passages, but none has arrived at ISAS yet. 
During this coming week, significant activity is expected in a new region, 
AR9393, now near the NE-limb.

SXT TECHNICAL 

No problems this week.

SXT SCIENTIFIC

For Web material see the science nuggets:

Current Week: http://isass1.solar.isas.ac.jp/sxt_co/010323.html
Index:        http://isass1.solar.isas.ac.jp/sxt_co/index.html

The newest nugget, 'The "Magnificent Cusp" now analyzed'(by HSH), 
describes a cusp event observed on 18 March 1999, and introduces the 
analysis made by Yokoyama et al. 

CAMPAIGNS 

We cooperated with 2 of the 3 runs of the VLA campaign (18th and 23rd 
in UT). One more run on 24th was unfortunately on our operation holiday.
We kept to be on the alert for sigmoids as Target Of Oportunity.

For SXT plans, see:
http://isass1.solar.isas.ac.jp/sxt_co/sxt_future.html

For SXT completed campaigns, see:
http://isass1.solar.isas.ac.jp/sxt_co/sxt_catalog.html

PERSONNEL

A visitor from India, R. Jain left on 22nd.

SEMINARS

R. Jain (PRL, India) "Proposed 'Solar X-ray Spectrometer (SoXS)'
                          onboard GSAT-2 Indian Mission"



                     SXT TABLE PLAN, WEEK 13
                  (25-Mar-01 through 31-Mar-01)


We plan to coordinate with the Quiet Sun campaign with SoHO and
TRACE for two days(28th and 29th UT). Otherwise the operations will 
be quite normal waiting for the appearance of a nice sigmoid as TOO.

________________________________#_______________________________

JST Day         UT Start Time      Pass   Table ID

Monday AM      25-MAR-01 16:51     2      010325 P2 ARS1 DARK*
Monday AM      25-MAR-01 20:16     4      010325 P4 ARS1 STD*
Monday PM      26-MAR-01 13:33     1      010326 P1 ARS0 QSTEST
Tuesday AM     26-MAR-01 18:36     4      010326 P4 ARS1 DIFF*
Wednesday AM   27-MAR-01 16:56     3      010327 P3 ARS1 STD*
Wednesday PM   28-MAR-01 13:35     1      010328 P1 ARS0 QS
Thursday AM    28-MAR-01 18:40     4      010328 P4 ARS1 STD*
Friday AM      29-MAR-01 15:18     2      010329 P2 ARS0 QS   
Friday AM      29-MAR-01 18:42     4      010329 P4 ARS1 STD*
Saturday AM    30-MAR-01 15:20     2      010330 P2 ARS1 STD*
Sunday AM      31-MAR-01 15:22     3      010331 P3 ARS1 STD*

The date part of a table ID reflects the UT date of pass 1.

A '*' means that the UT date of pass 1 differs from the JST date
of the pass in question 

This table plan is likely to change.  Prepare for last minute changes.

Continuing requests:

KSC & SSOC Tohbans: If any KSC passes are likely to be cancelled (for
example due to typhoons) or an SXT table cannot be uploaded for any 
reason, please telephone and e-mail the Chief Observer immediately.
(sxt_co@isass0.solar.isas.ac.jp, copy to sxt_st@flare2.solar.isas.ac.jp).

KSC Tohbans: In general flare mode supersedes table upload, i.e. if a
flare is in progress please do not upload a new table, and contact the
chief observer. Normally it is OK to go ahead with the planned table
without change on the next pass, if it is available. Chief observers
should keep an eye on this.