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[[Commissioning and Science Verification]] * Radio pointing offsets for single-beam receivers > Measurement [#r5f410d6] :Revision history| -- 2016-09-01 - Kamazaki,T. - created :Table of contents| #contents ---- ** Preparations [#nbb698b6] - &color(red){''antstat'' is unnecessary any more}; -- iOPT_r17shm communicates with COSMOS3 through shared memories and NOT files created by antstat. + Login to COSMOS3 manager GUI with Group=''asteXX'' (e.g. aste16) and Project=''radpon'' + Tune the receiver to be used + Check Aspirin is running in the ''WIND ON'' mode -- Aspirin status can be confirmed by looking at the Aspirin Monitor window. Check the following three items. Current time = 2016/09/02 08:22:15 <-+- The differences among these three times Aspirin time = 2016/09/02 08:22:14 <-+ should be less than 60 seconds. Weather time = 2016/09/02 08:22:08 <-+ Aspirin Offset : (Az, El) = ( 6.64, 0.42 ) Aspirin status : ** WIND ON ** ( C22:on C6:OFF WIND:on ) <--- should be "WIND_ON" Refraction Corr. status : OK <--- should be "OK" + Launch ''CONT qlook (qlookc)'' from cos3launcher -- Make sure ''auto-pointing is disabled''. -- Push the ''START'' button. *** Adjust radio pointing [#da40367b] + Adjust radio pointing using either of the following observation tables #br |CENTER: Planet|CENTER: Receiver|CENTER: Project|CENTER: Obs. file|h |Jupiter|DASH345|sbref|jpx5d3.start| |~|BAND8|sbref|jpx5b8.start| |Saturn|DASH345|sbref|stx5d3.start| |~|BAND8|sbref|stx5b8.start| #br *** Check OPT images and start iOPT [#h88ccf9e] + Check OPT images -- Initialize the OPT and take an OPT image following the instructions of &br;[[CSV/Optical pointing/Optical telescope setup/OPT image check>CSV/OpticalPointingOPTSetup#i2744578]]. --- It is UNNECESSARY to adjust the focus stage of the OPT. If necessary, CSV lead will instruct it. --- A star will be located within taken images. + Start iOPT on aste-c1c (= aste-cabin1c) -- iOPT calculates pointing offsets from optical images and records their results to a file. ++ Login to ''aste-ms1 with asteXX'' > ssh asteXX@aste-ms1 ++ Run ''iopt.sh'' ++ e.g.) aste17@aste-ms1: ~/analysis/bin/iopt.sh --- This script does process check, process cleaning (if necessary) and then, run iOPT_r17shm on aste-c1c. ++ Confirm "Antenna not ready" messages --- 10-20 measured offsets will be displayed every second while the telescope is tracking a target. --- These offsets are recorded to a logging file, whose name is YYYYMMDDHHMM.tab. --- A new execution of iOPT creates a new log file. It is necessary to restart iOPT for another log file. ** Measurement [#n5ab3457] - Check list -- Check Aspirin is in the ''WIND ON'' mode. -- ''Auto-pointing is disabled'' on the CONT qlook. //-- &color(red){Clear auxiliary pointing offsets, indicating (dAz, dEl) = (0.0, 0.0)}; //*** 2. (dAz, dEL) is (0.0, 0.0) [#ab90af41] //- Confirm that dAz and dEl are 0.0s in the AZEL offset window. //-- If they have some offsets, set ddAz and/or ddEL so that they become 0.0 in the AZEL offset window. + Run either of the following observation lists in the batch mode of the COSMOS3 manager GUI #br |CENTER: Planet|CENTER: Receiver|CENTER: Project|CENTER: Obs. list|h |Jupiter|DASH345|radpon|ijpd3.list| |~|BAND8|radpon|ijpb8.list| |Saturn|DASH345|radpon|istd3.list| |~|BAND8|radpon|istb8.list| #br -- &color(red){Don't forget to record dAz and dEl at the start of the list.}; //-- &color(red){Make sure (dAz, dEl) = (0.0, 0.0)}; -- ''Don't change dAz and dEl during the execution.'' --- If a planet cannot be seen in the CONT qlook due to large pointing offsets, stop the running observation, adjust pointing and rerun the same observation list. &color(red){Don't forget to record new dAz and dEl.}; + Stop running measurements, when the targets are set below 25 degrees -- Stop just after finishing an OPT measurement, when you need to stop the measurements in the middle. -- Make sure that iOPT_r17shm stops after finishing all measurements of the day. // End of the page
