! Started logfile: 1749+096_S.log on Wed May 7 12:47:15 2008 observe 1749+096_S.edt ! Reading UV FITS file: 1749+096_S.edt ! AN table 1: 28 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.13352 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1749+096 ! ! 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 2288 visibilities. ![@gonzo7-0.4 1749+096_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 375 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 381 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 384 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 405 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.458639Jy sigma=0.005942 ! Fit after self-cal, rms=0.459987Jy sigma=0.005983 ! 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=2.489 mas, bmaj=5.49 mas, bpa=-10 degrees ! Estimated noise=1928.46 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 = 1.09619 Jy ! Total flux subtracted in 50 components = 1.09619 Jy ! Clean residual min=-0.059330 max=0.305712 Jy/beam ! Clean residual mean=-0.000297 rms=0.019294 Jy/beam ! Combined flux in latest and established models = 1.09619 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 1.09619 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.377235Jy sigma=0.004892 ! Fit after self-cal, rms=0.377235Jy sigma=0.004892 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.259447 Jy ! Total flux subtracted in 50 components = 0.259447 Jy ! Clean residual min=-0.034914 max=0.100973 Jy/beam ! Clean residual mean=-0.000186 rms=0.009475 Jy/beam ! Combined flux in latest and established models = 1.35564 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 1.35564 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.203868Jy sigma=0.002512 ! Fit after self-cal, rms=0.203821Jy sigma=0.002511 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.103603 Jy ! Total flux subtracted in 50 components = 0.103603 Jy ! Clean residual min=-0.028888 max=0.043702 Jy/beam ! Clean residual mean=-0.000142 rms=0.006950 Jy/beam ! Combined flux in latest and established models = 1.45924 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 3 model components to the UV plane model. ! The established model now contains 7 components and 1.45924 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.164527Jy sigma=0.001965 ! Fit after self-cal, rms=0.164412Jy sigma=0.001965 ! 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=2.947 mas, bmaj=5.983 mas, bpa=-8.802 degrees ! Estimated noise=1461.78 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 = 0.0445735 Jy ! Component: 100 - total flux cleaned = 0.0699496 Jy ! Total flux subtracted in 100 components = 0.0699496 Jy ! Clean residual min=-0.026000 max=0.030189 Jy/beam ! Clean residual mean=-0.000091 rms=0.005246 Jy/beam ! Combined flux in latest and established models = 1.52919 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 34 components and 1.52919 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.153360Jy sigma=0.001811 ! Fit after self-cal, rms=0.153002Jy sigma=0.001806 ! 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 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.10 GC 1.03 HH 1.00* ! HN 0.98 KK 0.97 KP 0.95 LA 0.99 ! MC 1.00* MK 1.05 NL 0.94 NY 1.20 ! ON 1.11 OV 0.94 PT 0.99 SC 0.95 ! WF 1.12 WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.05 GC 1.02 HH 1.00* ! HN 0.99 KK 0.96 KP 0.98 LA 1.00 ! MC 1.00* MK 1.04 NL 0.96 NY 1.27 ! ON 1.11 OV 0.92 PT 0.95 SC 1.05 ! WF 1.07 WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.04 GC 1.00 HH 1.00* ! HN 1.09 KK 0.96 KP 1.00 LA 0.98 ! MC 1.00* MK 0.96 NL 0.98 NY 1.14 ! ON 1.17 OV 0.95 PT 0.97 SC 1.10 ! WF 1.13 WZ 1.00* ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.94 GC 1.04 HH 1.00* ! HN 1.07 KK 0.99 KP 1.01 LA 1.00* ! MC 1.00* MK 0.93 NL 0.96 NY 1.32 ! ON 1.46 OV 0.81 PT 0.96 SC 1.12 ! WF 1.20 WZ 1.00* ! ! ! Fit before self-cal, rms=0.153002Jy sigma=0.001806 ! Fit after self-cal, rms=0.114383Jy sigma=0.001271 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.982 mas, bmaj=6.056 mas, bpa=-9.016 degrees ! Estimated noise=1457.26 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 = 0.0064136 Jy ! Component: 100 - total flux cleaned = 0.00599172 Jy ! Total flux subtracted in 100 components = 0.00599172 Jy ! Clean residual min=-0.011360 max=0.013642 Jy/beam ! Clean residual mean=0.000152 rms=0.002736 Jy/beam ! Combined flux in latest and established models = 1.53518 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 39 components and 1.53518 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.113455Jy sigma=0.001260 ! Fit after self-cal, rms=0.113366Jy sigma=0.001258 ! 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 (4.4, 6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0120364 Jy ! Component: 100 - total flux cleaned = 0.0154514 Jy ! Total flux subtracted in 100 components = 0.0154514 Jy ! Clean residual min=-0.010323 max=0.010964 Jy/beam ! Clean residual mean=0.000148 rms=0.002562 Jy/beam ! Combined flux in latest and established models = 1.55064 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 54 components and 1.55064 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.111907Jy sigma=0.001239 ! Fit after self-cal, rms=0.104000Jy sigma=0.001114 ! Inverting map and beam ! Estimated beam: bmin=2.979 mas, bmaj=6.048 mas, bpa=-8.931 degrees ! Estimated noise=1460.59 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 = 0.000217799 Jy ! Component: 100 - total flux cleaned = 0.00200779 Jy ! Total flux subtracted in 100 components = 0.00200779 Jy ! Clean residual min=-0.005826 max=0.005797 Jy/beam ! Clean residual mean=0.000155 rms=0.001546 Jy/beam ! Combined flux in latest and established models = 1.55264 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 66 components and 1.55264 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.103657Jy sigma=0.001109 ! Fit after self-cal, rms=0.103622Jy sigma=0.001108 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1749+096_S ! Writing UV FITS file: 1749+096_S.uvf ! Writing 66 model components to file: 1749+096_S.mod ! wwins: Wrote 2 windows to 1749+096_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.979 x 6.048 at -8.931 degrees (North through East) ! Clean map min=-0.0058352 max=1.4051 Jy/beam ! Writing clean map to FITS file: 1749+096_S.fits ! Writing difmap environment to: 1749+096_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1749+096_S] device 1749+096_Suv.ps/vps,1,2 ! Attempting to open device: '1749+096_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1749+096_Sim.ps/vps ! Attempting to open device: '1749+096_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=2.979 mas, bmaj=6.048 mas, bpa=-8.931 degrees ! Estimated noise=1460.59 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.979 x 6.048 at -8.931 degrees (North through East) ! Clean map min=-0.0058352 max=1.4051 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file 1749+096_S.log closed on Wed May 7 12:47:20 2008