! Started logfile: 2136+141_S.log on Wed May 7 16:04:13 2008 observe 2136+141_S.edt ! Reading UV FITS file: 2136+141_S.edt ! AN table 1: 53 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.200148 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 2136+141 ! ! 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 955 lines of history. ! ! Reading 6492 visibilities. ![@gonzo7-0.4 2136+141_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 688 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 691 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 696 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 716 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.281382Jy sigma=0.003310 ! Fit after self-cal, rms=0.277742Jy sigma=0.003288 ! 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=1.96 mas, bmaj=4.519 mas, bpa=-10.6 degrees ! Estimated noise=2107.7 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 = 0.680838 Jy ! Total flux subtracted in 50 components = 0.680838 Jy ! Clean residual min=-0.051866 max=0.213734 Jy/beam ! Clean residual mean=0.000460 rms=0.019440 Jy/beam ! Combined flux in latest and established models = 0.680838 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 6 components and 0.680838 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.427060Jy sigma=0.005704 ! Fit after self-cal, rms=0.426895Jy sigma=0.005702 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.229654 Jy ! Total flux subtracted in 50 components = 0.229654 Jy ! Clean residual min=-0.032881 max=0.104593 Jy/beam ! Clean residual mean=0.000242 rms=0.011742 Jy/beam ! Combined flux in latest and established models = 0.910492 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 11 components and 0.910492 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.271846Jy sigma=0.003579 ! Fit after self-cal, rms=0.271138Jy sigma=0.003574 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.120976 Jy ! Total flux subtracted in 50 components = 0.120976 Jy ! Clean residual min=-0.026954 max=0.058984 Jy/beam ! Clean residual mean=0.000127 rms=0.008523 Jy/beam ! Combined flux in latest and established models = 1.03147 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 7 model components to the UV plane model. ! The established model now contains 16 components and 1.03147 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.206508Jy sigma=0.002649 ! Fit after self-cal, rms=0.205786Jy sigma=0.002644 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0726829 Jy ! Total flux subtracted in 50 components = 0.0726829 Jy ! Clean residual min=-0.024279 max=0.041013 Jy/beam ! Clean residual mean=0.000058 rms=0.006940 Jy/beam ! Combined flux in latest and established models = 1.10415 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 25 components and 1.10415 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.175233Jy sigma=0.002183 ! Fit after self-cal, rms=0.174963Jy sigma=0.002180 ! 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=2.886 mas, bmaj=5.326 mas, bpa=-4.93 degrees ! Estimated noise=910.995 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 = 0.0844038 Jy ! Component: 100 - total flux cleaned = 0.130244 Jy ! Total flux subtracted in 100 components = 0.130244 Jy ! Clean residual min=-0.017414 max=0.027190 Jy/beam ! Clean residual mean=-0.000250 rms=0.005466 Jy/beam ! Combined flux in latest and established models = 1.23439 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 27 model components to the UV plane model. ! The established model now contains 47 components and 1.23439 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140985Jy sigma=0.001613 ! Fit after self-cal, rms=0.140676Jy sigma=0.001609 ! 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 21 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.07 GC 1.05 HH 1.00* ! HN 0.96 KK 1.00* KP 0.95 LA 0.98 ! MC 1.01 MK 1.00* NL 0.93 NY 1.02 ! ON 1.09 OV 0.94 PT 1.01 SC 0.93 ! WF 1.10 WZ 0.91 ! ! ! Correcting IF 2. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.03 GC 1.04 HH 1.00* ! HN 0.97 KK 1.00* KP 1.01 LA 0.97 ! MC 1.00 MK 1.00* NL 0.96 NY 1.00 ! ON 1.06 OV 0.92 PT 0.94 SC 1.00 ! WF 1.05 WZ 0.90 ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.02 GC 1.03 HH 1.00* ! HN 1.08 KK 1.00* KP 0.97 LA 0.94 ! MC 1.49 MK 1.00* NL 0.97 NY 1.03 ! ON 1.06 OV 0.95 PT 0.98 SC 1.07 ! WF 1.11 WZ 0.85 ! ! ! Correcting IF 4. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.93 GC 1.05 HH 1.00* ! HN 1.06 KK 1.00* KP 1.00 LA 1.00* ! MC 1.70 MK 1.00* NL 0.97 NY 1.02 ! ON 1.09 OV 0.83 PT 0.96 SC 1.07 ! WF 1.14 WZ 0.84 ! ! ! Fit before self-cal, rms=0.140676Jy sigma=0.001609 ! Fit after self-cal, rms=0.112804Jy sigma=0.001182 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.907 mas, bmaj=5.413 mas, bpa=-5.004 degrees ! Estimated noise=899.357 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 (-0.4, -6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0108615 Jy ! Component: 100 - total flux cleaned = 0.0138847 Jy ! Total flux subtracted in 100 components = 0.0138847 Jy ! Clean residual min=-0.004688 max=0.007746 Jy/beam ! Clean residual mean=0.000326 rms=0.001355 Jy/beam ! Combined flux in latest and established models = 1.24828 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 58 components and 1.24828 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.111838Jy sigma=0.001168 ! Fit after self-cal, rms=0.111787Jy sigma=0.001167 ! 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) ! Added new window around map position (6.4, -8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00657595 Jy ! Component: 100 - total flux cleaned = 0.00693454 Jy ! Total flux subtracted in 100 components = 0.00693454 Jy ! Clean residual min=-0.004123 max=0.005114 Jy/beam ! Clean residual mean=0.000290 rms=0.001204 Jy/beam ! Combined flux in latest and established models = 1.25521 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 66 components and 1.25521 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.111383Jy sigma=0.001160 ! Fit after self-cal, rms=0.108418Jy sigma=0.001142 ! Inverting map and beam ! Estimated beam: bmin=2.91 mas, bmaj=5.403 mas, bpa=-4.96 degrees ! Estimated noise=899.385 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 = 0.00342819 Jy ! Component: 100 - total flux cleaned = 0.00453643 Jy ! Total flux subtracted in 100 components = 0.00453643 Jy ! Clean residual min=-0.003744 max=0.004794 Jy/beam ! Clean residual mean=0.000265 rms=0.001092 Jy/beam ! Combined flux in latest and established models = 1.25975 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 75 components and 1.25975 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.108213Jy sigma=0.001139 ! Fit after self-cal, rms=0.108206Jy sigma=0.001139 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 2136+141_S ! Writing UV FITS file: 2136+141_S.uvf ! Writing 75 model components to file: 2136+141_S.mod ! wwins: Wrote 3 windows to 2136+141_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.91 x 5.403 at -4.96 degrees (North through East) ! Clean map min=-0.0035607 max=0.98739 Jy/beam ! Writing clean map to FITS file: 2136+141_S.fits ! Writing difmap environment to: 2136+141_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 2136+141_S] device 2136+141_Suv.ps/vps,1,2 ! Attempting to open device: '2136+141_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 2136+141_Sim.ps/vps ! Attempting to open device: '2136+141_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=2.91 mas, bmaj=5.403 mas, bpa=-4.96 degrees ! Estimated noise=899.385 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.91 x 5.403 at -4.96 degrees (North through East) ! Clean map min=-0.0035607 max=0.98739 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file 2136+141_S.log closed on Wed May 7 16:04:19 2008