! Started logfile: NGC1052_X.log on Wed May 14 17:25:30 2008 observe NGC1052_X.edt ! Reading UV FITS file: NGC1052_X.edt ! AN table 1: 28 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.0648926 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: NGC1052 ! ! 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 946 lines of history. ! ! Reading 1112 visibilities. ![@gonzo6-0.1-pw NGC1052_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 = 6.0 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 455 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 460 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 454 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 452 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.439930Jy sigma=0.006931 ! Fit after self-cal, rms=0.433194Jy sigma=0.006869 ! 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 peakw win_mult ! Inverting map and beam ! Estimated beam: bmin=0.8095 mas, bmaj=2.202 mas, bpa=-1.766 degrees ! Estimated noise=5513.59 mJy/beam. ! Added new window around map position (0, 0). 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=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.413689 Jy ! Total flux subtracted in 50 components = 0.413689 Jy ! Clean residual min=-0.077447 max=0.163873 Jy/beam ! Clean residual mean=0.005721 rms=0.039271 Jy/beam ! Combined flux in latest and established models = 0.413689 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 26 model components to the UV plane model. ! The established model now contains 26 components and 0.413689 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.365012Jy sigma=0.007188 ! Fit after self-cal, rms=0.365042Jy sigma=0.007187 ! 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=1.636 mas, bmaj=3.701 mas, bpa=8.039 degrees ! Estimated noise=2221.5 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 = 0.277863 Jy ! Component: 100 - total flux cleaned = 0.388917 Jy ! Total flux subtracted in 100 components = 0.388917 Jy ! Clean residual min=-0.054241 max=0.060684 Jy/beam ! Clean residual mean=0.004784 rms=0.025138 Jy/beam ! Combined flux in latest and established models = 0.802606 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 48 model components to the UV plane model. ! The established model now contains 70 components and 0.802606 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.146913Jy sigma=0.002573 ! Fit after self-cal, rms=0.147136Jy sigma=0.002571 ! Inverting map print "****************************************" ! **************************************** print "*** Finished Natural Weighting CLEAN ***" ! *** Finished Natural Weighting CLEAN *** print "****************************************" ! **************************************** gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.25 FD 0.97 GC 0.92 HH 1.00* ! HN 1.00* KK 1.21 KP 0.96 LA 0.92 ! MC 1.00* MK 1.00* NL 1.03 NY 1.00* ! ON 1.00* OV 1.07 PT 0.91 SC 1.00* ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.23 FD 0.96 GC 0.81 HH 1.00* ! HN 1.00* KK 1.00* KP 0.95 LA 0.93 ! MC 1.00* MK 1.00* NL 1.05 NY 1.00* ! ON 1.00* OV 1.08 PT 0.91 SC 1.00* ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.33 FD 0.95 GC 0.90 HH 1.00* ! HN 0.58 KK 1.04 KP 0.96 LA 0.93 ! MC 1.00* MK 0.86 NL 1.05 NY 1.00* ! ON 1.00* OV 1.09 PT 0.91 SC 1.18 ! WF 1.00* 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 1.22 FD 0.97 GC 0.86 HH 1.00* ! HN 1.00* KK 1.29 KP 0.98 LA 0.91 ! MC 1.00* MK 1.00* NL 1.11 NY 1.00* ! ON 1.00* OV 1.13 PT 0.90 SC 1.00* ! WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.147136Jy sigma=0.002571 ! Fit after self-cal, rms=0.132472Jy sigma=0.001980 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.638 mas, bmaj=3.7 mas, bpa=7.378 degrees ! Estimated noise=2130.75 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 = -0.00412015 Jy ! Component: 100 - total flux cleaned = -0.00487474 Jy ! Total flux subtracted in 100 components = -0.00487474 Jy ! Clean residual min=-0.041578 max=0.059141 Jy/beam ! Clean residual mean=0.000951 rms=0.015708 Jy/beam ! Combined flux in latest and established models = 0.797732 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 72 components and 0.797732 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.130820Jy sigma=0.001979 ! Fit after self-cal, rms=0.131563Jy sigma=0.001976 ! 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 = -0.00251851 Jy ! Component: 100 - total flux cleaned = -0.00271212 Jy ! Total flux subtracted in 100 components = -0.00271212 Jy ! Clean residual min=-0.042266 max=0.058370 Jy/beam ! Clean residual mean=0.001030 rms=0.015681 Jy/beam ! Combined flux in latest and established models = 0.795019 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 9 model components to the UV plane model. ! The established model now contains 77 components and 0.79502 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.130451Jy sigma=0.001978 ! Fit after self-cal, rms=0.133919Jy sigma=0.001956 ! Inverting map and beam ! Estimated beam: bmin=1.666 mas, bmaj=3.756 mas, bpa=7.715 degrees ! Estimated noise=2145.96 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 = -0.00444229 Jy ! Component: 100 - total flux cleaned = -0.00468114 Jy ! Total flux subtracted in 100 components = -0.00468114 Jy ! Clean residual min=-0.041987 max=0.058467 Jy/beam ! Clean residual mean=0.000935 rms=0.015700 Jy/beam ! Combined flux in latest and established models = 0.790338 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 79 components and 0.790338 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.132240Jy sigma=0.001956 ! Fit after self-cal, rms=0.132794Jy sigma=0.001953 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save NGC1052_X ! Writing UV FITS file: NGC1052_X.uvf ! Writing 79 model components to file: NGC1052_X.mod ! wwins: Wrote 1 windows to NGC1052_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.666 x 3.756 at 7.715 degrees (North through East) ! Clean map min=-0.041712 max=0.60881 Jy/beam ! Writing clean map to FITS file: NGC1052_X.fits ! Writing difmap environment to: NGC1052_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot NGC1052_X] device NGC1052_Xuv.ps/vps,1,2 ! Attempting to open device: 'NGC1052_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device NGC1052_Xim.ps/vps ! Attempting to open device: 'NGC1052_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=1.666 mas, bmaj=3.756 mas, bpa=7.715 degrees ! Estimated noise=2145.96 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.666 x 3.756 at 7.715 degrees (North through East) ! Clean map min=-0.041712 max=0.60881 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo6-0.1-pw] quit ! Quitting program ! Log file NGC1052_X.log closed on Wed May 14 17:25:37 2008