# # Template Checklist and Worksheet for reduction of VSOP Survey data. # (http://halca.vsop.isas.ac.jp/survey/template_checklist.txt) # # Version 0.4 - J. Lovell 6-October-1999 # - added amplitude correction factor entries # Version 0.3 - J. Lovell 14-Apr-1999 # # NOTE: Copy this file to your data reduction outputs directory (e.g # /something/vs05a_jones) and name it "checklist.txt" # # Comments are given on lines beginning with a # and questions are # enclosed in {}'s. # Please enter responses after the colons. # Multiple-line responses are OK. # Yes/No questions may be answered with "yes", "no", "Y", "N", "y" or "n" # An example of a completed Checklist is given in # http://halca.vsop.isas.ac.jp/survey/checklist_eg.txt # # #--------------------------------------------------------------------------- # Section 1 : General Information #--------------------------------------------------------------------------- {Experiment code} : VS04r {Your family name} : Scott {Your given name} : William {The date you prepared this document (format is day-month-year, e.g 23-04-1999)} : 26-09-2000 {The name of the survey source that was observed} : J1246-25 {The name of the calibration source(s) observed} : 1213-17 {The year the experiment took place (e.g. 1998)} : 1998 {The starting day number of the experiment} : 21 {List the GRTs that observed} : Hh, Ho, Mp, Se, Ud {List the tracking stations that took part} : GZ, TZ, NZ {Which correlator was used to correlate the data? (Mitaka/Penticton/Socorro)} : Penticton {AIPS Version used (e.g 15OCT98)} : 15Apr99 {Difmap Version used (e.g 2.3c)} : 2.3c {Was vsop_difmap used? (yes/no)} : y {Abstract. Write a brief summary of the data reduction and its outcomes} : Note: This experiment was originally analyzed September 11/1999. #--------------------------------------------------------------------------- # Section 2 : Pre-AIPS Checklist #--------------------------------------------------------------------------- {PI letter retrieved (yes/no)} : y {Data quality reports and plots retrieved? (yes/no)} : y {Pre-launch 5GHz survey data retrieved? (yes/no)} : y {Light-curve data retrieved? (yes/no)} : y # Input files for INDXR, ANTAB and UVFLG {Has a INDXR input file (INDXR.TXT) been created? (yes/no)} : y {Has a ANTAB input file (ANTAB.TXT) been created? (yes/no)} : y {Has a UVFLG input file (UVFLG.TXT) been created? (yes/no)} : n {Any comments on Pre-AIPS file preparation?} : #--------------------------------------------------------------------------- # Section 3 : AIPS Output File Checklist # # Names of expected output file names are contained in square brackets. #--------------------------------------------------------------------------- {PRTAN [PRTAN.LIS] (yes/no)} : yes {LISTR (optyp = 'SCAN') [LISTR.LIS] (yes/no)} : yes {DTSUM (aparm = 0) [DTSUM_0.LIS] (yes/no)} : yes {DTSUM (aparm = 1) [DTSUM_1.LIS] (yes/no)} : yes {UVPLT (u vs v) [UVPLT_UV.PS] (yes/no)} : yes {UVPLT ((u,v) distance vs time) [UVPLT_UVD.PS] (yes/no)} : yes {UVPLT ((u,v) position angle vs time). [UVPLT_UVPA.PS] (yes/no)} : yes {VPLOT antenna weights vs time (after adjustment) [WEIGHTS.PS] (yes/no)} : yes {ACCOR SNPLT (amplitude), IF 1 [SN_ACCOR_1.PS] (yes/no)} : no {IF 2 [SN_ACCOR_2.PS] (yes/no)} : no {APCAL SNPLT (amplitude), IF 1 [SN_APCAL_1.PS] (yes/no)} : yes {IF 2 [SN_APCAL_2.PS] (yes/no)} : yes # FRING SNPLT (delay, rate, SNR), as many as necessary to document the # clear discovery of fringes at all antennas, numbered with "nn" for # both IFs. Do NOT include the final SN table as it is plotted later. # # Format is SN_FRINGnn_DEL_i.PS, SN_FRINGnn_RAT_i.PS, # SN_FRINGnn_SNR_i.PS for delay, rate and SNR plots respectively, # where "i" is the IF number (1 or 2). {Number of times preliminary FRING solutions were plotted (i.e maximum value of nn)} : 0 {Post-FRING CALIB SNPLT, Phase: IF 1 [SN_CALIB_PHA_1] (yes/no)} : yes {IF 2 [SN_CALIB_PHA_2] (yes/no)} : yes {Delay: IF 1 [SN_CALIB_DEL_1] (yes/no)} : yes {IF 2 [SN_CALIB_DEL_2] (yes/no)} : yes {Rate: IF 1 [SN_CALIB_RAT_1] (yes/no)} : yes {IF 2 [SN_CALIB_RAT_2] (yes/no)} : yes {SNR: IF 1 [SN_CALIB_SNR_1] (yes/no)} : yes {IF 2 [SN_CALIB_SNR_2] (yes/no)} : yes {Post-calibration VPLOT (amp and phase, with channel averaging) IF 1 [VPLOT_AP_1.PS] (yes/no)} : yes {IF 2 [VPLOT_AP_1.PS] (yes/no)} : yes {Post-calibration POSSM (amplitude and phase, at least one 5 to 10 min integration spectrum per tracking pass, indexed with nn = 01, 02, 03, ...), IF 1 [POSSMnn_AP_1.PS] (yes/no)} : yes {IF 2 [POSSMnn_AP_2.PS] (yes/no)} : no {Output TASAV FITS file (containing all 'multisource' cal tables) [VSxxx__TASAV.FITS] (yes/no)} : yes {Calibrated and spectrally averaged FITS data files (one for each source), [__AIPS.FITS] (yes/no)} : yes #--------------------------------------------------------------------------- # Section 4 : Supplementary files # # Were any files created, other than those listed, to document the data # reduction? If so, please list them below using as many (File, Description) # groups as required. #--------------------------------------------------------------------------- #------------------------------------------------------------------------- # Section 5 : AIPS data-reduction notes # # The format is as follows: # # Task : the name of the task that is run or other operation performed # ADVERBs : a list of the relevant non-default adverbs # Input CL : the input calibration table used (if any) in running the task # Input SN : the SN table that was used (if any) # Output SN : the SN table produced (if any) # Output CL : the CL table produced or modified (if any) # Comments: any comments on the results of the operation # # Use as many of the (Task, ADVERBs, Comments, Input CL, Input SN, # Output SN, Output CL) groups as required. #------------------------------------------------------------------------- #--------------------------------------------------------- {Task} : FITLD {ADVERBs} : DIGICOR=DELCOR=-1 {Input CL} : {Input SN} : {Output SN} : {Output CL} : {Comments} : Output file name = VS04R.FITLD #--------------------------------------------------------- #--------------------------------------------------------- {Task} : MSORT {ADVERBs} : {Input CL} : {Input SN} : {Output SN} : {Output CL} : {Comments} : Input file name = VS04R.FITLD, Output file name = VS04R.UVSRT #--------------------------------------------------------- #--------------------------------------------------------- {Task} : INDXR {ADVERBs} : CPARM(1)=3 CPARM(3)=0.25 {Input CL} : {Input SN} : {Output SN} : {Output CL} : {Comments} : Created NX(1) #--------------------------------------------------------- #--------------------------------------------------------- {Task} : TABED {ADVERBs} : {Input CL} : {Input SN} : {Output SN} : {Output CL} : {Comments} : Copied FG(1-7) -> FG(8) #--------------------------------------------------------- #--------------------------------------------------------- {Task} : IBLED {ADVERBs} : {Input CL} : {Input SN} : {Output SN} : {Output CL} : {Comments} : added edits to FG(8) #--------------------------------------------------------- #--------------------------------------------------------- {Task} : UVFLG {ADVERBs} : {Input CL} : {Input SN} : {Output SN} : {Output CL} : {Comments} : editted out Sh IF 2...added flagging to FG(8) #--------------------------------------------------------- #--------------------------------------------------------- {Task} : FIXWT {ADVERBs} : IF=1 CHAN=100 XINC=10 {Input CL} : {Input SN} : {Output SN} : {Output CL} : {Comments} : #--------------------------------------------------------- #--------------------------------------------------------- {Task} : INDXR {ADVERBs} : CPARM(1)=3 CPARM(3)=0.25 {Input CL} : {Input SN} : {Output SN} : {Output CL} : 1 {Comments} : Deleted CL(1) and NX(1), then reran INDXR since number of input vis != number of output vis after running FIXWT #--------------------------------------------------------- #--------------------------------------------------------- {Task} : ANTAB {ADVERBs} : {Input CL} : {Input SN} : {Output SN} : {Output CL} : {Comments} : Had Tsys values for all GRTs! For Halca, had to extrapolate tsys values from experiment VS05s (obs date Dec 21/87). Used a nominal DPFU value of 0.1 for Hobart. For other antennas, had non-nominal gain curves. #--------------------------------------------------------- #--------------------------------------------------------- {Task} : APCAL {ADVERBs} : {Input CL} : {Input SN} : 1 {Output SN} : {Output CL} : {Comments} : Input: Ty(1) + GC(1) #--------------------------------------------------------- #--------------------------------------------------------- {Task} : SNSMO {ADVERBs} : Interpol=MWF Smotype=AMPL BPARM(1)=1 (window width = 1 hour) {Input CL} : {Input SN} : 1 {Output SN} : 2 {Output CL} : {Comments} : #--------------------------------------------------------- #--------------------------------------------------------- {Task} : CLCAL {ADVERBs} : OPCODE = CALI INTERPOL = '2PT' {Input CL} : 1 {Input SN} : 2 {Output SN} : {Output CL} : 2 {Comments} : #--------------------------------------------------------- #--------------------------------------------------------- {Task} : TBOUT {ADVERBs} : INEXT = 'AN' {Input CL} : {Input SN} : {Output SN} : {Output CL} : {Comments} : #--------------------------------------------------------- #--------------------------------------------------------- {Task} : TBIN {ADVERBs} : {Input CL} : {Input SN} : {Output SN} : {Output CL} : {Comments} : Changed MNTSTA entries in the AN table. Changed Halca from 3 to 2, and changed Ho and Ht to 0. #--------------------------------------------------------- #--------------------------------------------------------- {Task} : FRING {ADVERBs} : DOCALIB 1 GAINUSE 2 SOLINT 2 TIMER 0 20 50 0 0 20 55 0 REFANT 6 (Usuda 64m) APARM(7)=4 (SNR=4) APARM(9)=1 DPARM(1)=1 (no baseline stacking) DPARM(3)=100 (100mHz rate window) DPARM(4)=0.5 (0.5 sec integration time) CALSOUR='1213-172' FLAGVER -1 (as all 1213-172 was inadvertantly flagged out) {Input CL} : 2 {Input SN} : {Output SN} : 3 {Output CL} : {Comments} : No solutions found... hence don't bother using 1213-172 as a manual FRING calibrator. Only baselines 1-4 and 5-6 had any 1213-172 data anyhow. #--------------------------------------------------------- #--------------------------------------------------------- {Task} : FRING {ADVERBs} : DOCALIB 1 GAINUSE 2 SOLINT 2 TIMER 0 21 30 0 0 21 35 0 REFANT 6 (Usuda 64m) APARM(7)=4 (SNR=4) APARM(9)=1 DPARM(1)=1 (no baseline stacking) DPARM(3)=100 (100mHz rate window) DPARM(4)=0.5 (0.5 sec integration time) {Input CL} : 2 {Input SN} : {Output SN} : 3 {Output CL} : {Comments} : Result: Low SNR solutions... not sure I trust them #--------------------------------------------------------- #--------------------------------------------------------- {Task} : FRING {ADVERBs} : DOCALIB 1 GAINUSE 2 SOLINT 5 TIMER 0 21 30 0 0 21 35 0 REFANT 6 (Usuda 64m) APARM(7)=4 (SNR=4) APARM(9)=1 DPARM(1)=1 (no baseline stacking) DPARM(3)=100 (100mHz rate window) DPARM(4)=0.5 (0.5 sec integration time) {Input CL} : 2 {Input SN} : {Output SN} : 3 {Output CL} : {Comments} : Not enough memory. #--------------------------------------------------------- #--------------------------------------------------------- {Task} : FRING {ADVERBs} : DOCALIB 1 GAINUSE 2 SOLINT 3 TIMER 0 19 5 0 0 19 10 0 REFANT 6 (Usuda 64m) APARM(7)=4 (SNR=4) APARM(9)=1 DPARM(1)=1 (no baseline stacking) DPARM(3)=100 (100mHz rate window) DPARM(4)=0.5 (0.5 sec integration time) {Input CL} : 2 {Input SN} : {Output SN} : 3 {Output CL} : {Comments} : Results look good for all GRTs except Hh. Hh did not observe until 0 20 40. Note, all prior SN(3)s were deleted after their unsuccessful FRING attempt. #--------------------------------------------------------- #--------------------------------------------------------- {Task} : TBOUT {ADVERBs} : INEXT = 'SN' INVER=3 {Input CL} : {Input SN} : 3 {Output SN} : {Output CL} : {Comments} : #--------------------------------------------------------- #--------------------------------------------------------- {Task} : TBIN {ADVERBs} : {Input CL} : {Input SN} : {Output SN} : 3 {Output CL} : {Comments} : Removed the rate solutions and made sure there was only one solution for each antenna (except Hh, for which there was no solutions.) Also had to renumber the rows. #--------------------------------------------------------- #--------------------------------------------------------- {Task} : CLCAL {ADVERBs} : OPCODE = CALP INTERPOL = '2PT' REFANT 6 (Usuda 64m) {Input CL} : 2 {Input SN} : 3 {Output SN} : {Output CL} : 3 {Comments} : #--------------------------------------------------------- #--------------------------------------------------------- {Task} : FRING {ADVERBs} : DOCALIB 1 GAINUSE 3 SOLINT 5 BCHAN 20 ECHAN 220 REFANT 6 (Usuda 64m) APARM(7)=4 (SNR=4) APARM(9)=1 DPARM(1)=1 (no baseline stacking) DPARM(2)=2000 DPARM(3)=100 (100mHz rate window) DPARM(4)=0.5 (0.5 sec integration time) {Input CL} : 3 {Input SN} : {Output SN} : 4 {Output CL} : {Comments} : Result: Good except for... 1) Bad Sh solutions 2) Bad solutions after 0:22 3) Bad solns from approx: 0:20:45 --> 0:21:5 Deleted SN(4) #--------------------------------------------------------- #--------------------------------------------------------- {Task} : UVFLG {ADVERBs} : TIMER 0:20:45:59 0:21:5:20 BIF=0 EIF=0 ANT=0 {Input CL} : {Input SN} : {Output SN} : {Output CL} : {Comments} : editted FG(8) when scans jumped between: J1246-25 and 1213-172 #--------------------------------------------------------- #--------------------------------------------------------- {Task} : FRING {ADVERBs} : DOCALIB 1 GAINUSE 3 SOLINT 5 BCHAN 20 ECHAN 220 CALSOUR 'J1246-25' REFANT 6 (Usuda 64m) SEARCH 3,1 (realized in prev. FRINGes was set to 1) APARM(7)=4 (SNR=4) APARM(9)=1 DPARM(1)=1 (no baseline stacking) DPARM(2)=0 DPARM(3)=100 (100mHz rate window) DPARM(4)=0.5 (0.5 sec integration time) {Input CL} : 3 {Input SN} : {Output SN} : 4 {Output CL} : {Comments} : #--------------------------------------------------------- #--------------------------------------------------------- {Task} : SNEDT {ADVERBs} : {Input CL} : {Input SN} : 4 {Output SN} : 5 {Output CL} : {Comments} : Editted inconsistent delays. All Sh solns after approx. 0:19:50 were flagged #--------------------------------------------------------- #--------------------------------------------------------- {Task} : CLCAL {ADVERBs} : OPCODE='CALI' REFANT 6 {Input CL} : 3 {Input SN} : 5 {Output SN} : {Output CL} : 4 {Comments} : #--------------------------------------------------------- #--------------------------------------------------------- {Task} : TACOP {ADVERBs} : {Input CL} : 4 {Input SN} : {Output SN} : {Output CL} : 5 {Comments} : #--------------------------------------------------------- #--------------------------------------------------------- {Task} : CLCOR {ADVERBs} : OPCODE 'GAIN' ANTENNAS 2 (Hobart) CLCORPRM 0.5 {Input CL} : 4 {Input SN} : {Output SN} : {Output CL} : 5 {Comments} : Correction due to comparing crossing points using DIFMAP. #--------------------------------------------------------- #--------------------------------------------------------- {Task} : TACOP {ADVERBs} : {Input CL} : 5 {Input SN} : {Output SN} : {Output CL} : 6 {Comments} : #--------------------------------------------------------- #--------------------------------------------------------- {Task} : CLCOR {ADVERBs} : OPCODE 'GAIN' ANTENNAS 2 CLCORPRM 1.33 {Input CL} : 6 {Input SN} : {Output SN} : {Output CL} : 6 {Comments} : PLS data observed ago 1.5 years ago, and nearly simultaneous AT light curve data imply zero spacing flux should be about 1.18 Jy. Instead, Difmap radplot gives zero-spacing flux of about 0.66Jy. Multiply all antennas by 1.33 increase VSOP data to this level. #--------------------------------------------------------- #--------------------------------------------------------- {Task} : CLCOR {ADVERBs} : OPCODE 'GAIN' ANTENNAS 3 (Mopra) CLCORPRM 0.60 {Input CL} : 6 {Input SN} : {Output SN} : {Output CL} : 6 {Comments} : Using an amp self-cal result from imaging with Difmap #--------------------------------------------------------- #--------------------------------------------------------- {Task} : CLCOR {ADVERBs} : OPCODE 'GAIN' ANTENNAS 6 (Usuda) CLCORPRM 1.18 {Input CL} : 6 {Input SN} : {Output SN} : {Output CL} : 6 {Comments} : Using an amp self-cal result from imaging with Difmap #--------------------------------------------------------- #--------------------------------------------------------- {Task} : SPLIT {ADVERBs} : SOURCES 'J1246-25' DOCALIB 1, GAINUSE 6 APARM(1)=2 (average each IF separately) {Input CL} : 6 {Input SN} : {Output SN} : {Output CL} : {Comments} : Input file: VS04R.FIXWT, Output file: J1246-25.FITS #--------------------------------------------------------- #--------------------------------------------------------- {Task} : FITTP {ADVERBs} : {Input CL} : {Input SN} : {Output SN} : {Output CL} : {Comments} : Input file: J1246-25.FITS, Output file: J1246-25.FITS #--------------------------------------------------------- #------------------------------------------------------------------------- # Section 6 : Antenna-based amplitude corrections #------------------------------------------------------------------------- # Corrections applied with CLCOR in AIPS to correct for antenna-based amplitude # errors. # Separate antenna names and correction factors by commas or spaces. # e.g # # {Antenna name list} : HALCA, HO, HH, MP, KA # {Amplitude correction factors} : 1.0, 1.6, 1.3, 1.0, 1.0 # {Antenna name list} : Hh, Ho, Mp, Se, Halca, Ud {Amplitude correction factors} : 1.33, 0.67, 0.8, 1.33, 1.33, 1.57 #------------------------------------------------------------------------- # Section 7 : Difmap data reduction notes #------------------------------------------------------------------------- {Phase Selfcal applied? (yes/no)} : y {Global Amplitude Selfcal applied? (yes/no)} : y {Amplitude Selfcal applied on non-global timescales? (yes/no)} : y {Modelfit made and saved using the vs_final_mod macro? (yes/no)} : y {Image made and saved using the vs_final_img macro? (yes/no)} : y {Comments on Difmap processing. Include the global amplitude offsets that were applied if gscal was used} : Editted out Mp-* (both IFs) >21:15 (Mp antenna stowed itself) For Sh < 19:50, approx. half the data and was flagged. In an initial run of Difmap, compared crossing points with Uvplot/Vplot: 1) Ha-Hh @22:21:30 approx. 0.2 Jy Ha-Ho @21:25:30 approx. 0.6 Jy 2) Ha-Ud @19:27:30 approx. 0.3 Jy Ha-Ho @20:40:30 approx. 0.7 Jy Ha-Mp @20:26:30 approx. 0.5 Jy This led to the CLCOR correction for Ho. After amp self-cal, Mp was also high and Ud was lowish....so corrected these with CLCOR, reran Difmap again. In final Difmap, ran amp+phase self-cal down to 10 minute solint. # If GSCAL was used, report amplitude correction factors here. If GSCAL # was used more than once, report the CUMULATIVE factor here (e.g if gscal # reported a gain factor of 1.11 for HALCA the first time and 0.95 the # second time, the overall gain correction is 1.11 * 0.95 = 1.05. # Separate antenna names and correction factors by commas or spaces. # e.g # # {Antenna name list} : HALCA, HO, HH, MP, KA # {Amplitude correction factors} : 1.0, 1.6, 1.3, 1.0, 1.0 # {Antenna name list} : Hh, Ho, Mp, Se, Halca, Ud {Amplitude correction factors} : 0.95, 0.95, 1.02, 0.97, 1.06, 0.94 #------------------------------------------------------------------------- # Do not delete or alter anything past this line {VSOP Survey Checklist and Worksheet version} : 0.4 #-------------------------------------------------------------------------