! Started logfile: 1933-400_S.log on Mon Feb 5 21:15:21 2007 observe 1933-400_S.edt ! Reading UV FITS file: 1933-400_S.edt ! AN table 1: 16 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.103758 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1933-400 ! ! 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 2.22997e+09 8e+06 1 8e+06 ! 02 2 2.25997e+09 8e+06 1 8e+06 ! 03 3 2.34997e+09 8e+06 1 8e+06 ! 04 4 2.36997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1912 lines of history. ! ! Reading 1016 visibilities. ![@gonzo7-0.4 1933-400_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 198 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 199 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 199 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 227 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.308152Jy sigma=0.003678 ! Fit after self-cal, rms=0.306122Jy sigma=0.003682 ! 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=2.651 mas, bmaj=10.82 mas, bpa=-19.43 degrees ! Estimated noise=3319.36 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 = 0.542949 Jy ! Total flux subtracted in 50 components = 0.542949 Jy ! Clean residual min=-0.041647 max=0.151419 Jy/beam ! Clean residual mean=-0.000157 rms=0.019993 Jy/beam ! Combined flux in latest and established models = 0.542949 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 0.542949 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.234956Jy sigma=0.002974 ! Fit after self-cal, rms=0.234956Jy sigma=0.002974 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.128001 Jy ! Total flux subtracted in 50 components = 0.128001 Jy ! Clean residual min=-0.027355 max=0.054313 Jy/beam ! Clean residual mean=-0.000120 rms=0.011420 Jy/beam ! Combined flux in latest and established models = 0.67095 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 19 components and 0.67095 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.150957Jy sigma=0.001896 ! Fit after self-cal, rms=0.150875Jy sigma=0.001895 ! 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=3.311 mas, bmaj=13.08 mas, bpa=-17.5 degrees ! Estimated noise=2227.69 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 = 0.0871794 Jy ! Component: 100 - total flux cleaned = 0.126053 Jy ! Total flux subtracted in 100 components = 0.126053 Jy ! Clean residual min=-0.018506 max=0.019622 Jy/beam ! Clean residual mean=0.000118 rms=0.006369 Jy/beam ! Combined flux in latest and established models = 0.797003 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 49 model components to the UV plane model. ! The established model now contains 65 components and 0.797003 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.102094Jy sigma=0.001257 ! Fit after self-cal, rms=0.101930Jy sigma=0.001254 ! 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: ! FD 1.10 GC 1.00* HH 1.00* HN 1.00* ! LA 1.06 MC 1.00* MK 0.92 NY 1.00* ! ON 1.00* OV 1.01 PT 0.95 SC 1.00* ! TS 1.00* WF 1.00* BR 1.00* KK 1.01 ! KP 0.90 WZ 1.00* ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.96 GC 1.00* HH 1.00* HN 1.00* ! LA 1.02 MC 1.00* MK 1.00 NY 1.00* ! ON 1.00* OV 1.05 PT 0.95 SC 1.00* ! TS 1.00* WF 1.00* BR 1.00* KK 0.98 ! KP 0.96 WZ 1.00* ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.94 GC 1.00* HH 1.00* HN 1.00* ! LA 0.94 MC 1.00* MK 0.95 NY 1.00* ! ON 1.00* OV 1.09 PT 1.03 SC 1.00* ! TS 1.00* WF 1.00* BR 1.00* KK 1.03 ! KP 1.00 WZ 1.00* ! ! ! Correcting IF 4. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.87 GC 1.00* HH 1.00* HN 1.00* ! LA 0.88 MC 1.00* MK 0.94 NY 1.00* ! ON 1.00* OV 0.98 PT 1.00 SC 1.00* ! TS 1.00* WF 1.00* BR 1.00* KK 1.00 ! KP 1.00 WZ 1.00* ! ! ! Fit before self-cal, rms=0.101930Jy sigma=0.001254 ! Fit after self-cal, rms=0.084017Jy sigma=0.001043 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.271 mas, bmaj=13 mas, bpa=-17.49 degrees ! Estimated noise=2193.98 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 = 0.00946745 Jy ! Component: 100 - total flux cleaned = 0.0103951 Jy ! Total flux subtracted in 100 components = 0.0103951 Jy ! Clean residual min=-0.012981 max=0.011264 Jy/beam ! Clean residual mean=0.000263 rms=0.003271 Jy/beam ! Combined flux in latest and established models = 0.807398 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 75 components and 0.807398 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.083093Jy sigma=0.001029 ! Fit after self-cal, rms=0.083068Jy sigma=0.001028 ! 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 = 0.000791565 Jy ! Component: 100 - total flux cleaned = 0.00115468 Jy ! Total flux subtracted in 100 components = 0.00115468 Jy ! Clean residual min=-0.012860 max=0.010991 Jy/beam ! Clean residual mean=0.000261 rms=0.003211 Jy/beam ! Combined flux in latest and established models = 0.808553 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 81 components and 0.808553 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.082965Jy sigma=0.001026 ! Fit after self-cal, rms=0.078672Jy sigma=0.000964 ! Inverting map and beam ! Estimated beam: bmin=3.262 mas, bmaj=12.97 mas, bpa=-17.2 degrees ! Estimated noise=2196.33 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 = 0.00304069 Jy ! Component: 100 - total flux cleaned = 0.00329703 Jy ! Total flux subtracted in 100 components = 0.00329703 Jy ! Clean residual min=-0.008501 max=0.007777 Jy/beam ! Clean residual mean=0.000266 rms=0.002255 Jy/beam ! Combined flux in latest and established models = 0.81185 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 98 components and 0.81185 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.078213Jy sigma=0.000959 ! Fit after self-cal, rms=0.078202Jy sigma=0.000959 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1933-400_S ! Writing UV FITS file: 1933-400_S.uvf ! Writing 98 model components to file: 1933-400_S.mod ! wwins: Wrote 1 windows to 1933-400_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.262 x 12.97 at -17.2 degrees (North through East) ! Clean map min=-0.0082098 max=0.69884 Jy/beam ! Writing clean map to FITS file: 1933-400_S.fits ! Writing difmap environment to: 1933-400_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1933-400_S] device 1933-400_Suv.ps/vps,1,2 ! Attempting to open device: '1933-400_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1933-400_Sim.ps/vps ! Attempting to open device: '1933-400_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=3.262 mas, bmaj=12.97 mas, bpa=-17.2 degrees ! Estimated noise=2196.33 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.262 x 12.97 at -17.2 degrees (North through East) ! Clean map min=-0.0082098 max=0.69884 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file 1933-400_S.log closed on Mon Feb 5 21:15:30 2007