! Started logfile: 0342+147_X.log on Wed May 14 12:17:34 2008 observe 0342+147_X.edt ! Reading UV FITS file: 0342+147_X.edt ! AN table 1: 5 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.0235294 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 0342+147 ! ! 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 938 lines of history. ! ! Reading 72 visibilities. ![@gonzo8-0.1 0342+147_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 83 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 84 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.730814Jy sigma=0.006131 ! Fit after self-cal, rms=0.718965Jy sigma=0.006118 ! 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=0.8347 mas, bmaj=1.138 mas, bpa=2.696 degrees ! Estimated noise=19110.9 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=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.21038 Jy ! Total flux subtracted in 50 components = 0.21038 Jy ! Clean residual min=-0.057880 max=0.059354 Jy/beam ! Clean residual mean=-0.000056 rms=0.019741 Jy/beam ! Combined flux in latest and established models = 0.21038 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 0.21038 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.124934Jy sigma=0.001158 ! Fit after self-cal, rms=0.124957Jy sigma=0.001158 ! 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=1.001 mas, bmaj=1.322 mas, bpa=31.6 degrees ! Estimated noise=14213.6 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 = 0.0263395 Jy ! Component: 100 - total flux cleaned = 0.0194159 Jy ! Total flux subtracted in 100 components = 0.0194159 Jy ! Clean residual min=-0.022691 max=0.022960 Jy/beam ! Clean residual mean=-0.000018 rms=0.008274 Jy/beam ! Combined flux in latest and established models = 0.229796 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 40 model components to the UV plane model. ! The established model now contains 40 components and 0.229796 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.072520Jy sigma=0.000599 ! Fit after self-cal, rms=0.072315Jy sigma=0.000594 ! 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 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.09 HH 1.00* ! HN 1.00* KK 1.05 KP 0.89 LA 1.00* ! MC 1.00* MK 1.00* NL 1.00* NY 1.00* ! ON 1.00* OV 1.06 PT 1.00* SC 1.00* ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 0.86 HH 1.00* ! HN 1.00* KK 1.10 KP 0.97 LA 1.00* ! MC 1.00* MK 1.00* NL 1.00* NY 1.00* ! ON 1.00* OV 0.94 PT 1.00* SC 1.00* ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! WF 0.00* WZ 0.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.15 HH 1.00* ! HN 1.00* KK 1.05 KP 1.01 LA 1.00* ! MC 1.00* MK 1.00* NL 1.00* NY 1.00* ! ON 1.00* OV 0.92 PT 1.00* SC 1.00* ! WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.072315Jy sigma=0.000594 ! Fit after self-cal, rms=0.067182Jy sigma=0.000532 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9715 mas, bmaj=1.238 mas, bpa=9.911 degrees ! Estimated noise=16411.8 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 = 0.00260408 Jy ! Component: 100 - total flux cleaned = 0.000686968 Jy ! Total flux subtracted in 100 components = 0.000686968 Jy ! Clean residual min=-0.007291 max=0.007379 Jy/beam ! Clean residual mean=0.000001 rms=0.001954 Jy/beam ! Combined flux in latest and established models = 0.230483 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 22 model components to the UV plane model. ! The established model now contains 62 components and 0.230483 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.062159Jy sigma=0.000488 ! Fit after self-cal, rms=0.062275Jy sigma=0.000486 ! 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 = 0.000260137 Jy ! Component: 100 - total flux cleaned = -0.000447507 Jy ! Total flux subtracted in 100 components = -0.000447507 Jy ! Clean residual min=-0.005913 max=0.005857 Jy/beam ! Clean residual mean=-0.000001 rms=0.001666 Jy/beam ! Combined flux in latest and established models = 0.230036 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 75 components and 0.230036 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.059723Jy sigma=0.000467 ! Fit after self-cal, rms=0.030338Jy sigma=0.000192 ! Inverting map and beam ! Estimated beam: bmin=0.9688 mas, bmaj=1.244 mas, bpa=9.508 degrees ! Estimated noise=16456.7 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 = 0.0017222 Jy ! Component: 100 - total flux cleaned = 0.00232585 Jy ! Total flux subtracted in 100 components = 0.00232585 Jy ! Clean residual min=-0.002994 max=0.003049 Jy/beam ! Clean residual mean=0.000000 rms=0.000865 Jy/beam ! Combined flux in latest and established models = 0.232361 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 96 components and 0.232361 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.027929Jy sigma=0.000182 ! Fit after self-cal, rms=0.028969Jy sigma=0.000179 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 0342+147_X ! Writing UV FITS file: 0342+147_X.uvf ! Writing 96 model components to file: 0342+147_X.mod ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9688 x 1.244 at 9.508 degrees (North through East) ! Clean map min=-0.032714 max=0.22292 Jy/beam ! Writing clean map to FITS file: 0342+147_X.fits ! Writing difmap environment to: 0342+147_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 0342+147_X] device 0342+147_Xuv.ps/vps,1,2 ! Attempting to open device: '0342+147_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 0342+147_Xim.ps/vps ! Attempting to open device: '0342+147_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=0.9688 mas, bmaj=1.244 mas, bpa=9.508 degrees ! Estimated noise=16456.7 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9688 x 1.244 at 9.508 degrees (North through East) ! Clean map min=-0.032714 max=0.22292 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1] quit ! Quitting program ! Log file 0342+147_X.log closed on Wed May 14 12:17:41 2008