! Started logfile: OP326_X.log on Wed Apr 2 00:22:18 2008 observe OP326_X.edt ! Reading UV FITS file: OP326_X.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 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1214 lines of history. ! ! Reading 7916 visibilities. ![@gonzo8-0.1 OP326_X] print "***********************************" ! *********************************** print "*** Using gonzo instruction set ***" ! *** Using gonzo instruction set *** print "***********************************" ! *********************************** float field_size field_size = 1024 float field_cell field_cell = 0.1 integer clean_niter clean_niter = 50 float clean_gain clean_gain = 0.03 float dynam dynam = 8.0 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 0.100x0.100 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 551 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 545 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 559 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 591 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.818381Jy sigma=0.013045 ! Fit after self-cal, rms=0.817279Jy sigma=0.013075 ! 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=0.4423 mas, bmaj=1.186 mas, bpa=-17.94 degrees ! Estimated noise=1319.19 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 = 0.12856 Jy ! Total flux subtracted in 50 components = 0.12856 Jy ! Clean residual min=-0.012573 max=0.037174 Jy/beam ! Clean residual mean=0.000038 rms=0.004573 Jy/beam ! Combined flux in latest and established models = 0.12856 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 2 model components to the UV plane model. ! The established model now contains 2 components and 0.12856 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.106357Jy sigma=0.001695 ! Fit after self-cal, rms=0.106327Jy sigma=0.001694 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0418285 Jy ! Total flux subtracted in 50 components = 0.0418285 Jy ! Clean residual min=-0.009754 max=0.020455 Jy/beam ! Clean residual mean=0.000033 rms=0.003205 Jy/beam ! Combined flux in latest and established models = 0.170388 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 5 model components to the UV plane model. ! The established model now contains 7 components and 0.170388 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.086593Jy sigma=0.001330 ! Fit after self-cal, rms=0.086350Jy sigma=0.001328 ! 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=0.5318 mas, bmaj=1.382 mas, bpa=-14.25 degrees ! Estimated noise=677.551 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 = 0.039944 Jy ! Component: 100 - total flux cleaned = 0.0608549 Jy ! Total flux subtracted in 100 components = 0.0608549 Jy ! Clean residual min=-0.005010 max=0.012699 Jy/beam ! Clean residual mean=0.000026 rms=0.002011 Jy/beam ! Combined flux in latest and established models = 0.231243 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 28 model components to the UV plane model. ! The established model now contains 33 components and 0.231243 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.069970Jy sigma=0.000995 ! Fit after self-cal, rms=0.069882Jy sigma=0.000994 ! Inverting map print "****************************************" ! **************************************** print "*** Finished Natural Weighting CLEAN ***" ! *** Finished Natural Weighting CLEAN *** print "****************************************" ! **************************************** gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.98 GC 1.00* HN 0.94 ! KK 1.00* KP 0.94 LA 0.90 MC 1.13 ! MK 1.00* NL 1.05 NY 1.00 ON 0.82 ! OV 0.99 PT 0.90 SC 1.09 WF 0.88 ! WZ 1.09 ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.98 GC 1.00* HN 0.93 ! KK 1.00* KP 0.93 LA 0.94 MC 1.11 ! MK 1.00* NL 1.02 NY 0.98 ON 0.83 ! OV 0.95 PT 0.93 SC 1.08 WF 0.87 ! WZ 1.02 ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00 GC 1.00* HN 0.94 ! KK 1.00* KP 0.95 LA 0.90 MC 1.14 ! MK 1.00* NL 1.03 NY 0.94 ON 0.81 ! OV 0.99 PT 0.96 SC 1.09 WF 0.94 ! WZ 0.96 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.99 GC 1.00* HN 0.97 ! KK 1.00* KP 0.96 LA 0.93 MC 1.18 ! MK 1.00* NL 1.00 NY 1.03 ON 0.81 ! OV 0.97 PT 0.96 SC 1.10 WF 0.97 ! WZ 1.00* ! ! ! Fit before self-cal, rms=0.069882Jy sigma=0.000994 ! Fit after self-cal, rms=0.063134Jy sigma=0.000937 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.5412 mas, bmaj=1.428 mas, bpa=-14.47 degrees ! Estimated noise=650.047 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 = 0.00139927 Jy ! Component: 100 - total flux cleaned = 0.00140846 Jy ! Total flux subtracted in 100 components = 0.00140846 Jy ! Clean residual min=-0.003079 max=0.005877 Jy/beam ! Clean residual mean=0.000051 rms=0.000832 Jy/beam ! Combined flux in latest and established models = 0.232652 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 9 model components to the UV plane model. ! The established model now contains 41 components and 0.232652 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063086Jy sigma=0.000936 ! Fit after self-cal, rms=0.063092Jy sigma=0.000936 ! Inverting map ! Added new window around map position (1.3, 4.9). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00519101 Jy ! Component: 100 - total flux cleaned = 0.00669138 Jy ! Total flux subtracted in 100 components = 0.00669138 Jy ! Clean residual min=-0.002618 max=0.002756 Jy/beam ! Clean residual mean=0.000040 rms=0.000637 Jy/beam ! Combined flux in latest and established models = 0.239343 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 52 components and 0.239343 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.062723Jy sigma=0.000929 ! Fit after self-cal, rms=0.062712Jy sigma=0.000929 ! 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 = 0.000880896 Jy ! Component: 100 - total flux cleaned = 0.00130844 Jy ! Total flux subtracted in 100 components = 0.00130844 Jy ! Clean residual min=-0.002532 max=0.002761 Jy/beam ! Clean residual mean=0.000038 rms=0.000609 Jy/beam ! Combined flux in latest and established models = 0.240652 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 60 components and 0.240652 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.062645Jy sigma=0.000928 ! Fit after self-cal, rms=0.061694Jy sigma=0.000915 ! Inverting map and beam ! Estimated beam: bmin=0.5399 mas, bmaj=1.427 mas, bpa=-14.55 degrees ! Estimated noise=648.737 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 = 0.000981112 Jy ! Component: 100 - total flux cleaned = 0.00130443 Jy ! Total flux subtracted in 100 components = 0.00130443 Jy ! Clean residual min=-0.002403 max=0.002703 Jy/beam ! Clean residual mean=0.000040 rms=0.000594 Jy/beam ! Combined flux in latest and established models = 0.241956 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 70 components and 0.241956 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.061657Jy sigma=0.000914 ! Fit after self-cal, rms=0.061655Jy sigma=0.000914 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save OP326_X ! Writing UV FITS file: OP326_X.uvf ! Writing 70 model components to file: OP326_X.mod ! wwins: Wrote 2 windows to OP326_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5399 x 1.427 at -14.55 degrees (North through East) ! Clean map min=-0.0022741 max=0.17688 Jy/beam ! Writing clean map to FITS file: OP326_X.fits ! Writing difmap environment to: OP326_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot OP326_X] device OP326_Xuv.ps/vps,1,2 ! Attempting to open device: 'OP326_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device OP326_Xim.ps/vps ! Attempting to open device: 'OP326_Xim.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=0.5399 mas, bmaj=1.427 mas, bpa=-14.55 degrees ! Estimated noise=648.737 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5399 x 1.427 at -14.55 degrees (North through East) ! Clean map min=-0.0022741 max=0.17688 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1] quit ! Quitting program ! Log file OP326_X.log closed on Wed Apr 2 00:22:23 2008