! Started logfile: OP326_S.log on Thu Feb 7 20:21:39 2008 observe OP326_S.edt ! Reading UV FITS file: OP326_S.edt ! AN table 1: 51 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.285323 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: OP326 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 2.22497e+09 8e+06 1 8e+06 ! 02 2 2.24497e+09 8e+06 1 8e+06 ! 03 3 2.33497e+09 8e+06 1 8e+06 ! 04 4 2.36497e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1251 lines of history. ! ! Reading 7916 visibilities. ![@gonzo7-0.4 OP326_S] print "***********************************" ! *********************************** print "*** Using gonzo instruction set ***" ! *** Using gonzo instruction set *** print "***********************************" ! *********************************** float field_size field_size = 1024 float field_cell field_cell = 0.4 integer clean_niter clean_niter = 50 float clean_gain clean_gain = 0.03 float dynam dynam = 7.0 float win_mult win_mult = 1.8 float solint solint = 3.6/6.0 logical doflt doflt = true logical doamp float new_peak float flux_cutoff mapsize field_size,field_cell ! Map grid = 1024x1024 pixels with 0.400x0.400 milli-arcsec cellsize. select ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 658 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 640 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 642 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 650 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.768767Jy sigma=0.011357 ! Fit after self-cal, rms=0.766571Jy sigma=0.011471 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvweight 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.68 mas, bmaj=4.441 mas, bpa=-15.94 degrees ! Estimated noise=1983.01 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal doamp, doflt, solint new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.17161 Jy ! Total flux subtracted in 50 components = 0.17161 Jy ! Clean residual min=-0.012065 max=0.047861 Jy/beam ! Clean residual mean=-0.000167 rms=0.004261 Jy/beam ! Combined flux in latest and established models = 0.17161 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 0.17161 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.101681Jy sigma=0.001513 ! Fit after self-cal, rms=0.101680Jy sigma=0.001513 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0404878 Jy ! Total flux subtracted in 50 components = 0.0404878 Jy ! Clean residual min=-0.009676 max=0.016967 Jy/beam ! Clean residual mean=-0.000126 rms=0.002889 Jy/beam ! Combined flux in latest and established models = 0.212098 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 0.212098 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.081463Jy sigma=0.001182 ! Fit after self-cal, rms=0.081442Jy sigma=0.001182 ! Inverting map print "****************************************" ! **************************************** print "*** Finished Uniform Weighting CLEAN ***" ! *** Finished Uniform Weighting CLEAN *** print "****************************************" ! **************************************** uvweight 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.938 mas, bmaj=6.358 mas, bpa=-14.93 degrees ! Estimated noise=1060.56 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal doamp, doflt, solint new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0330693 Jy ! Component: 100 - total flux cleaned = 0.0498358 Jy ! Total flux subtracted in 100 components = 0.0498358 Jy ! Clean residual min=-0.006418 max=0.009018 Jy/beam ! Clean residual mean=-0.000076 rms=0.001948 Jy/beam ! Combined flux in latest and established models = 0.261934 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 29 model components to the UV plane model. ! The established model now contains 33 components and 0.261934 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.069644Jy sigma=0.000974 ! Fit after self-cal, rms=0.069639Jy sigma=0.000974 ! Inverting map print "****************************************" ! **************************************** print "*** Finished Natural Weighting CLEAN ***" ! *** Finished Natural Weighting CLEAN *** print "****************************************" ! **************************************** gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.05 GC 1.00* HN 1.00 ! KK 1.00* KP 0.85 LA 0.88 MC 1.15 ! MK 1.00* NL 0.91 NY 0.97 ON 0.87 ! OV 1.03 PT 0.96 SC 0.93 WF 0.82 ! WZ 0.96 ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.01 GC 1.00* HN 0.98 ! KK 1.00* KP 0.91 LA 0.95 MC 0.98 ! MK 1.00* NL 1.01 NY 0.97 ON 0.92 ! OV 0.93 PT 0.90 SC 1.09 WF 0.92 ! WZ 1.01 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.99 GC 1.00* HN 1.04 ! KK 1.00* KP 1.06 LA 0.90 MC 1.10 ! MK 1.00* NL 1.03 NY 0.92 ON 0.90 ! OV 1.03 PT 0.94 SC 1.17 WF 0.95 ! WZ 0.99 ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.91 GC 1.00* HN 1.00 ! KK 1.00* KP 1.03 LA 0.86 MC 1.52 ! MK 1.00* NL 1.06 NY 0.99 ON 0.95 ! OV 0.94 PT 0.94 SC 1.24 WF 0.94 ! WZ 1.04 ! ! ! Fit before self-cal, rms=0.069639Jy sigma=0.000974 ! Fit after self-cal, rms=0.063468Jy sigma=0.000892 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.97 mas, bmaj=6.513 mas, bpa=-14.93 degrees ! Estimated noise=1033.09 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal doamp, doflt, solint new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000357801 Jy ! Component: 100 - total flux cleaned = 0.000327288 Jy ! Total flux subtracted in 100 components = 0.000327288 Jy ! Clean residual min=-0.004223 max=0.004827 Jy/beam ! Clean residual mean=-0.000019 rms=0.000967 Jy/beam ! Combined flux in latest and established models = 0.262261 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 4 model components to the UV plane model. ! The established model now contains 37 components and 0.262261 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063445Jy sigma=0.000892 ! Fit after self-cal, rms=0.063466Jy sigma=0.000892 ! Inverting map dynam = dynam - 1.0 doamp = true solint = solint * (6.0/3.6) flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal doamp, doflt, solint new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000129442 Jy ! Component: 100 - total flux cleaned = 7.2684e-05 Jy ! Total flux subtracted in 100 components = 7.2684e-05 Jy ! Clean residual min=-0.004196 max=0.004767 Jy/beam ! Clean residual mean=-0.000019 rms=0.000963 Jy/beam ! Combined flux in latest and established models = 0.262334 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 6 model components to the UV plane model. ! The established model now contains 38 components and 0.262334 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063453Jy sigma=0.000892 ! Fit after self-cal, rms=0.061963Jy sigma=0.000864 ! Inverting map and beam ! Estimated beam: bmin=1.969 mas, bmaj=6.527 mas, bpa=-14.93 degrees ! Estimated noise=1034.45 mJy/beam. doamp = false solint = solint / (6.0/3.6) flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal doamp, doflt, solint new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000137359 Jy ! Component: 100 - total flux cleaned = 7.12788e-05 Jy ! Total flux subtracted in 100 components = 7.12788e-05 Jy ! Clean residual min=-0.003930 max=0.004140 Jy/beam ! Clean residual mean=-0.000012 rms=0.000943 Jy/beam ! Combined flux in latest and established models = 0.262405 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 6 model components to the UV plane model. ! The established model now contains 39 components and 0.262405 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.061950Jy sigma=0.000864 ! Fit after self-cal, rms=0.061954Jy sigma=0.000864 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save OP326_S ! Writing UV FITS file: OP326_S.uvf ! Writing 39 model components to file: OP326_S.mod ! wwins: Wrote 1 windows to OP326_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.969 x 6.527 at -14.93 degrees (North through East) ! Clean map min=-0.0036745 max=0.22995 Jy/beam ! Writing clean map to FITS file: OP326_S.fits ! Writing difmap environment to: OP326_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot OP326_S] device OP326_Suv.ps/vps,1,2 ! Attempting to open device: 'OP326_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device OP326_Sim.ps/vps ! Attempting to open device: 'OP326_Sim.ps/vps' uvweight 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. loglevs -1,2048,2 ! The new contour levels are: ! -1 1 2 4 8 16 32 64 128 256 512 1024 2048 cmul = imstat(rms)*3 ! Inverting map and beam ! Estimated beam: bmin=1.969 mas, bmaj=6.527 mas, bpa=-14.93 degrees ! Estimated noise=1034.45 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.969 x 6.527 at -14.93 degrees (North through East) ! Clean map min=-0.0036745 max=0.22995 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file OP326_S.log closed on Thu Feb 7 20:21:44 2008