! Started logfile: 0229+131_S.log on Tue Jun 17 10:32:06 2008 observe 0229+131_S.edt ! Reading UV FITS file: 0229+131_S.edt ! AN table 1: 34 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.232353 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 0229+131 ! ! 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 1901 lines of history. ! ! Reading 6004 visibilities. ![@gonzo8-0.4 0229+131_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 = 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 0.400x0.400 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 447 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 447 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 447 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 447 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.577606Jy sigma=5.146392 ! Fit after self-cal, rms=0.548903Jy sigma=5.076212 ! 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=1.643 mas, bmaj=5.908 mas, bpa=-6.728 degrees ! Estimated noise=1.97187 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 = 0.443057 Jy ! Total flux subtracted in 50 components = 0.443057 Jy ! Clean residual min=-0.077070 max=0.180806 Jy/beam ! Clean residual mean=0.001982 rms=0.025180 Jy/beam ! Combined flux in latest and established models = 0.443057 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 5 components and 0.443057 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.394058Jy sigma=4.490890 ! Fit after self-cal, rms=0.393981Jy sigma=4.489986 ! 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=1.97 mas, bmaj=6.827 mas, bpa=-6.294 degrees ! Estimated noise=1.2318 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 = 0.203505 Jy ! Component: 100 - total flux cleaned = 0.298082 Jy ! Total flux subtracted in 100 components = 0.298082 Jy ! Clean residual min=-0.045987 max=0.110931 Jy/beam ! Clean residual mean=0.005510 rms=0.016177 Jy/beam ! Combined flux in latest and established models = 0.741139 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 9 components and 0.741139 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.329493Jy sigma=3.045840 ! Fit after self-cal, rms=0.329439Jy sigma=3.044483 ! 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 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.91 GC 1.00* HH 1.00* ! HN 0.92 KK 1.00* KP 1.00* LA 0.92 ! MA 2.63 MC 0.88 MK 1.00* NL 0.90 ! NY 0.94 ON 8.18 OV 1.00* PT 0.92 ! SC 0.70 TS 1.00* WF 0.74 WZ 0.84 ! ! ! Correcting IF 2. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.90 GC 1.00* HH 1.00* ! HN 1.04 KK 1.00* KP 1.00* LA 0.89 ! MA 1.79 MC 0.82 MK 1.00* NL 0.96 ! NY 0.94 ON 5.46 OV 1.00* PT 0.79 ! SC 0.98 TS 1.00* WF 0.81 WZ 0.73 ! ! ! Correcting IF 3. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.92 GC 1.00* HH 1.00* ! HN 1.07 KK 1.00* KP 1.00* LA 0.90 ! MA 1.61 MC 3.17 MK 1.00* NL 0.87 ! NY 0.91 ON 6.05 OV 1.00* PT 0.90 ! SC 0.83 TS 1.00* WF 0.92 WZ 0.71 ! ! ! Correcting IF 4. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.90 GC 1.00* HH 1.00* ! HN 1.02 KK 1.00* KP 1.00* LA 0.88 ! MA 1.32 MC 2.49 MK 1.00* NL 0.93 ! NY 0.96 ON 6.11 OV 1.00* PT 0.86 ! SC 0.91 TS 1.00* WF 0.87 WZ 0.78 ! ! ! Fit before self-cal, rms=0.329439Jy sigma=3.044483 ! Fit after self-cal, rms=0.777792Jy sigma=1.557888 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.032 mas, bmaj=6.832 mas, bpa=-7.082 degrees ! Estimated noise=1.15905 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 = -0.00362953 Jy ! Component: 100 - total flux cleaned = -0.00588781 Jy ! Total flux subtracted in 100 components = -0.00588781 Jy ! Clean residual min=-0.009828 max=0.024605 Jy/beam ! Clean residual mean=0.003097 rms=0.003709 Jy/beam ! Combined flux in latest and established models = 0.735251 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 8 model components to the UV plane model. ! The established model now contains 17 components and 0.735251 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.776946Jy sigma=1.543998 ! Fit after self-cal, rms=0.779657Jy sigma=1.539915 ! 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 (5.2, 14.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0219953 Jy ! Component: 100 - total flux cleaned = 0.0322098 Jy ! Total flux subtracted in 100 components = 0.0322098 Jy ! Clean residual min=-0.009308 max=0.016321 Jy/beam ! Clean residual mean=0.002537 rms=0.002795 Jy/beam ! Combined flux in latest and established models = 0.767461 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 27 components and 0.767461 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.778676Jy sigma=1.506612 ! Fit after self-cal, rms=0.916392Jy sigma=1.356406 ! Inverting map and beam ! Estimated beam: bmin=2.042 mas, bmaj=6.846 mas, bpa=-7.112 degrees ! Estimated noise=1.16268 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 = 8.60662e-05 Jy ! Component: 100 - total flux cleaned = 0.000674425 Jy ! Total flux subtracted in 100 components = 0.000674425 Jy ! Clean residual min=-0.007590 max=0.015588 Jy/beam ! Clean residual mean=0.002183 rms=0.002461 Jy/beam ! Combined flux in latest and established models = 0.768136 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 33 components and 0.768135 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.916018Jy sigma=1.347782 ! Fit after self-cal, rms=0.917071Jy sigma=1.345446 ! Inverting map ! Added new window around map position (-7.6, -16). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0135126 Jy ! Component: 100 - total flux cleaned = 0.0178027 Jy ! Total flux subtracted in 100 components = 0.0178027 Jy ! Clean residual min=-0.007479 max=0.010591 Jy/beam ! Clean residual mean=0.001865 rms=0.002145 Jy/beam ! Combined flux in latest and established models = 0.785938 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 19 model components to the UV plane model. ! The established model now contains 50 components and 0.785938 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.916634Jy sigma=1.330165 ! Fit after self-cal, rms=0.916999Jy sigma=1.328848 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 0229+131_S ! Writing UV FITS file: 0229+131_S.uvf ! Writing 50 model components to file: 0229+131_S.mod ! wwins: Wrote 3 windows to 0229+131_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.042 x 6.846 at -7.112 degrees (North through East) ! Clean map min=-0.0069256 max=0.60746 Jy/beam ! Writing clean map to FITS file: 0229+131_S.fits ! Writing difmap environment to: 0229+131_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 0229+131_S] device 0229+131_Suv.ps/vps,1,2 ! Attempting to open device: '0229+131_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 0229+131_Sim.ps/vps ! Attempting to open device: '0229+131_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=2.042 mas, bmaj=6.846 mas, bpa=-7.112 degrees ! Estimated noise=1.16268 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.042 x 6.846 at -7.112 degrees (North through East) ! Clean map min=-0.0069256 max=0.60746 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.4] quit ! Quitting program ! Log file 0229+131_S.log closed on Tue Jun 17 10:32:13 2008