5 August 1995 M. Weber SXT CHIEF OBSERVER REPORT AND TABLE PLAN SXT TABLE PLAN FOR WEEK 32 (07-AUG-95 to 13-AUG-95) There are no coordinated campaigns planned for this week. The observing objectives of this plan are: - Standard observing table for most of the week. - Dark Calibration on Monday. - Test run using part of the CCD on Thursday. - Continuation of terminator-offpointing campaign. The SXT Table Plan for the week is as follows: KSC Time (start) in JST Pass Table ID Comments _____________(= UT + 9 hrs)______#_______________________________ Monday 07-Aug-95 23:19 2 950807 P2 ARS1+DKCAL Tuesday 09-Aug-95 01:21 3 950808 P3 STD+LONG Wednesday ************** NO TABLE UPLOAD ********************* Thursday 10-Aug-95 22:35 2 950810 P2 PART-CCD Friday 11-Aug-95 22:54 2 950811 P2 STD+LONG Saturday 12-Aug-95 21:31 2 950812 P2 STD+LONG Terminator-Offpointing: The terminator-offpointing program will continue this week. The SSOC tohbans are required to manually insert the off-point OGs for the terminators in the OP tables. SSOC TOHBAN, please fax the preliminary OP list to D-tou when it contains a terminator so that the Chief Observer can suggest which OG's to be used. Dumping Patrol images: We request that KSC tohban continue to dump a patrol image each time an SXT table is loaded to facilitate the study of optimizing ARS parameters for an awfully quiet period. KSC and SSOC TOHBAN PLEASE NOTE: THIS TABLE PLAN IS SUBJECT TO CHANGE. The SXT Chief Observer sees two possibilities in particular this week. - There are only three (3) KSC passes on Tuesday, and only two (2) on Wednesday. If there is an error during Tuesday operations, the upload of table [950808 P3 STD+LONG] may be delayed until Wednesday or Thursday. - Table [950812 P2 STD+LONG] may be removed depending upon the availability of terminator opportunities, or upon how full the weekend OPs are. __________________________________________________________________________ ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ SXT CHIEF OBSERVER'S REPORT for Week 31: 31-JUL-95 to 06-AUG-95 Sun very quiet again this week. No special operations this week. Continued to concentrate on obtaining terminators with OG 85 (E08 S17) in all SXT filters. It was decided at the Weekly Operations Meeting for Week 32 that there will be NO Weekly Operations Meeting until Mon. 21, August. (I.e., skip Mon.14, Aug.) SOLAR ACTIVITY There is not much to report in terms of activity at the moment. GOES data indicates that the Sun breached B-level activity only rarely this week. AR7894 was the dominant area of activity visible on the disk. SXT INSTRUMENT STATUS The SXT has been operating without any problem. FILAMENT OBSERVATIONS No filament observations this week. UPCOMING CAMPAIGNS - SPARTAN Spartan 201-03 launch delayed until "no earlier than mid-August". Our observing plan will change depending on exact launch date. - POLAR RAY CAMPAIGN The Yohkoh team has accepted a campaign proposal from Koutchmy-san and Hara-san to "Identify and deduce relevant parameters of small scale features seen at high temperature in polar regions at time when polar faculae are still active." The dates of this campaign will be determined by the proposers and the SXT Chief Observer. PERSONNEL - Len Culhane of Mullard Space Science Laboratory visited this past week to discuss science with anyone and everyone. - Mark Weber took over the SXT Chief Observer duties from David Alexander. - After assisting the new Chief Observer with the transfer of duties, David Alexander left Wednesday for the fair, and noticeably cooler, mountains of Montana. SCIENCE The Yohkoh seminar is on vacation and many persons are at a CDAW at Nobeyama, so there is not much to report. The biggest solar science news from the outside world might be (a) rumors of solar radius changes as observed by the Mitaka meridian transit instrument, which has been working now for a full cycle; and (b) rumors of the detection of solar g-modes in an extremely unlikely place: the solar wind (See Thomson et al, Nature, just published). In terms of Yohkoh science, Nitta and Yaji submitted a paper on a superhot event, one of the very few (perhaps 3?) that have been written up from the Yohkoh data. They find, as did Kosugi et al. with the 6-Feb-92 event, that the superhot source is physically separate from a more normal flare loop, but possibly linked at one footpoint. Kano visited from Mitaka and brought five (5) beautiful preprints from Tsuneta's group there. FIESTAS The space science community at ISAS enjoyed a beer party Tuesday evening; perhaps as a sigh of relief from Open House Weekend? Whatever the motivations, the results were straightforward-- a good time was had by all.