Subject: JEMX Internal Meeting 2004-04-13

Participants: ILR, CAO, JC, NL, NJW

1) Instrument status
   JEM-X2 was reactivated for 5 hours in rev. 179. Not enough for gain
   stabilization. Energyresolution @22 keV was about 11.3% so some
   has been regained (when switched off in rev. 170 it was 13.5%;
   nominal value is 9% e.g. in revolution 30)
   
   JEM-X1: Anode #83 has become unstable

   Electronic calibration alerts: Fast anode amplifier for JEM-X1
   somewhat more noisy than in JEM-X2
   
   Count rate alert limits in MOC had to be adjusted because on-board
   limits were increased.
   
   No secure data on development of energy resolution in JEM-X1
   
2) Laboratory tests postponed to next week.

3) Munich papers: 3 have been delivered

4) ISDC consortium: OSA4: COR, IMA, SPE improvements.
                    Midisky, Spectral correction periods (IC files)
                    
/NJ

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Niels J. Westergaard
Danish Space Research Institute
Juliane Maries Vej 30, DK 2100 Copenhagen O
Phone: +45 35 32 57 05; FAX:  +45 35 36 24 75