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SPWG Minutes Friday, January 19, 2000

1. Review of action items


2. Boundary conditions

* February maneuvers: February 8, EIT Offpointing Request -- For proposal details, see: http://umbra.nascom.nasa.gov/eit/flat/offpoint_2001.pdf No momentum management maneuver is needed in conjuction with this activity. February 22, MM/SK -- Thanks to the ESR and subsequent maneuvers, this maneuver may or may not be needed. More ranging data needs to be obtained still in order to calculate whether or not a maneuver is needed. (TBC in another week or so). * MDI Continuous for February: - 5 day MDI Continuous Starts Jan 31 at 15:15 UT until Feb. 5 at 23:40 UT - 3 Month MDI Continuous Starts 28 Feb - end of May. The last month is best effort First two months Full Disk in best focus. * Submodes: Submode 6 until February 26, then Submode 5 until about March 12 * EIT Bakeout, February 16-20

3. JOPs status

New: JOP137 Time Variation and Dynamics of Active Region Loops II, TRACE/CDS/SUMER, EOF: Terje Fredvik POC: Olav Kjeldseth-Moe (olav.kjeldseth-moe@astro.uio.no) (2-week uninterrupted loops campaign). Status: Accepted. TRACE has to review the JOP description but should be okay since it has been on their calendar for a while and Karel is listed as an author. Modified: JOP136 MMOP009 Default HESSI Collaboration Status: Modifications acceptable.

4. Priorities for the coming month

a) Joint observing plans JOP106 (Sigmoidal Active Region Study) continues from previous months. JOP137 discussed above is scheduled from Feb 27-Mar 12. JOP136, Default HESSI Collaboration is scheduled from Feb 1-Mar 28 . SOHO will follow the execution of this test, but actual test runs will only be executed once or twice (TBD at weekly meetings). From Feb 12-Feb 25, there are two targets of opportunity proposed from Ted Tarbell which would involve one long run of each target in the MDI high resolution field of view. - Sunspot Umbral flashes, TRACE/MDI/(TBC) - Quiet Sun UV and WL campaign, TRACE/MDI (TBC) b) Individual instrument plans CDS -- Will perform a Full Sun observation on Feb 10 to support the EIT offpoint maneuver. UVCS -- Plans have been incorporated into the monthly calendar. See monthly calendar. LASCO -- Has asked for an additional stop in the offpoint maneuver They asked for a stop at 30 arcseconds and will open their door and monitor their pointing error system. EIT -- EIT Offpoint flatfield maneuver is high priority. EIT points out that this date will most likely be the best calibrated day for EIT over the whole span of the mission. Comparison with other instruments near this date is therefore desirable (e.g. CDS full sun). MDI -- Has the following priorities: - Jan 31-Feb 5 MDI Full Disk Magnetograms/Dopplergrams (Continuous) - Feb 6 -Feb 27 MDI Opportunity for high resolution studies prior to continuous contact. - Near Feb 27 MDI will switch to full disk best focus. TRACE -- Will try and support the EIT offpoint with a Full Sun Mosaic. even though they will still be in eclipse season. They will support with 171 and perhaps other wavelengths. c) Intercalibration activities Intercal 1 (TBC), SUMER/CDS/EIT, POC: Werner Curdt Feb 26/27 will discuss with Werner the scheduling when he arrives.

5. Preview of future months

* See the Monthly Calendar at: http://sohowww.nascom.nasa.gov/soc/head_calendar.html * Apr 19-May 31 JOP104 Doppler Shifts in X-ray Jets (TBC), CDS/SUMER/EIT [/UVCS/TRACE/HESSI/Yohkoh] POC: Davina Markiewicz-Innes * May 14-27 MEDOC Campaign #7 MEDOC POC: Karine Bocchialini (bocchialini@ias.fr) MEDOC Planners: medoc-cmp@medoc.medoc-ias.u-psud.fr

6. AOB

* Next SPWG: February 16, 2000 at 2:00 pm in EAF. * As of next week, Gareth Lawrence will be replacing Simon Plunkett for LASCO items. Simon will be working more on STEREO. * REMINDER: DSN support should be requested at least 6 months in advance. Keep this in mind for: ground-based collaborations that require MDI support, stellar observations that require NRT, etc. -- end of minutes -------------