January 16, 2000 
                                                           H.S. Hudson 


 
                   CHIEF OBSERVER'S REPORT for Week 03 
                       10-Jan-00 through 16-Jan-00 


GENERAL 

Activity rose again, to meet the Flare Genesis telescope half-way.
The launch was successful and the systems are apparently working OK;
the balloon is about halfway round the Pole on its way back to the
recovery site.

SXT TECHNICAL 

Y2K bugs continued. We were severely hampered by the loss of
"temporary Sirius" late Friday night. Without this we can't see
reformatted data. KSC tohban Shimojo has been very helpful in getting
raw images onto the Web to help with Flare Genesis target selection.
There is also now some software "fake_sfd" that does ad-hoc
corrections, in case this happens again in the future.

For Web material see

Current Week: http://isass1.solar.isas.ac.jp/sxt_co/000114.html
Index:        http://isass1.solar.isas.ac.jp/sxt_co/index.html

On Saturday T. Kosugi called D-toh to report that the Dec. 28 flare
had an exceptionally hard HXT spectrum. Accordingly this week's
nugget takes a quick look at this event. SXT looks great too - a
mammoth loop filling and erupting. The HXT spectrum is arbitrarily
hard, ie consistent with a slope -1.4.

CAMPAIGNS 

Flare Genesis support will continue for the next week or two as
the operation continues..  

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

D. McKenzie arrived Sunday to take over as SXT_CO. 

SEMINARS
Jan. 15: H. Hudson (SPRC), "The origins of CMEs". Basically a
review of the last six years or so of D-toh research into SXT
signatures of CMEs, spanning the spectrum from Klimchuk to Khan.




                                                    January 16, 2000 
                                                        H. S. Hudson 
                                                       

                                
                       SXT TABLE PLAN, WEEK 4       
                      (17-Jan-00 to 22-Jan-00)
                               

The Flare Genesis telescope is in the air and seems to be functioning
well. We will continue to support its observations as we can, which
means lots of ARS0 or ARS2 on their targets. We are up to 18 contact
passes this week, so the conflict situation seems to be improving.

D. McKenzie will be Chief Observer in week 4.

________________________________#_______________________________

JST Day         UT Start Time      Pass   Table ID

Monday    PM   17-JAN-00 13:05     4      000117 P4 ARS2 FG
Tuesday   PM   18-JAN-00 11:35     3      000118 P3 ARS2 FG
Wednesday PM   19-JAN-00 13:29     4      000119 P4 ARS2 DKCAL
Thursday  PM   20-JAN-00 08:34     2      000120 P2 ARS2 DIFF
Friday    PM   21-JAN-00 10:28     3      000121 P3 ARS2 FG
Saturday  PM   22-JAN-00 07:16     2      000122 P2 ARS2 FG 

Continuing requests:

KSC & SSOC Tohbans: If any KSC passes are likely to be cancelled (for
example due to heavy snowfall) or an SXT table cannot be uploaded for some
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.