! Started logfile: 2052-474_X.log on Mon Mar 31 23:04:36 2008 observe 2052-474_X.edt ! Reading UV FITS file: 2052-474_X.edt ! AN table 1: 7 integrations on 136 of 136 possible baselines. ! AN table 2: 8 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.0411765 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 2052-474 ! ! 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 1222 lines of history. ! ! Reading 336 visibilities. ![@gonzo8-0.1-pw 2052-474_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 93 telescope corrections were flagged in sub-array 1. ! A total of 136 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 96 telescope corrections were flagged in sub-array 1. ! A total of 136 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 86 telescope corrections were flagged in sub-array 1. ! A total of 136 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 86 telescope corrections were flagged in sub-array 1. ! A total of 136 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.385772Jy sigma=0.005727 ! Fit after self-cal, rms=0.385580Jy sigma=0.005728 ! 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=0.6212 mas, bmaj=16.7 mas, bpa=-12.61 degrees ! Estimated noise=5128.28 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 = 0.819202 Jy ! Total flux subtracted in 50 components = 0.819202 Jy ! Clean residual min=-0.104039 max=0.234322 Jy/beam ! Clean residual mean=0.000445 rms=0.060562 Jy/beam ! Combined flux in latest and established models = 0.819202 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 0.819202 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.508676Jy sigma=0.007739 ! Fit after self-cal, rms=0.508648Jy sigma=0.007738 ! 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=0.8807 mas, bmaj=14.4 mas, bpa=-12.52 degrees ! Estimated noise=3562.3 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 = 0.411423 Jy ! Component: 100 - total flux cleaned = 0.558269 Jy ! Total flux subtracted in 100 components = 0.558269 Jy ! Clean residual min=-0.034177 max=0.055682 Jy/beam ! Clean residual mean=0.000012 rms=0.016285 Jy/beam ! Combined flux in latest and established models = 1.37747 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 30 components and 1.37747 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.098516Jy sigma=0.001385 ! Fit after self-cal, rms=0.098410Jy sigma=0.001383 ! 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 0.97 GC 1.00* HN 1.00* ! KK 1.00* KP 0.98 LA 0.98 MC 1.00* ! MK 1.02 NL 1.00* NY 1.00* ON 1.00* ! OV 1.00* PT 0.97 SC 1.00* WF 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 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 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.97 GC 1.00* HN 1.00* ! KK 1.00* KP 0.98 LA 0.98 MC 1.00* ! MK 1.00 NL 1.00* NY 1.00* ON 1.00* ! OV 1.00* PT 0.96 SC 1.00* WF 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 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 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.97 GC 1.00* HN 1.00* ! KK 1.00 KP 0.97 LA 0.97 MC 1.00* ! MK 0.99 NL 1.00* NY 1.00* ON 1.00* ! OV 1.00* PT 0.97 SC 1.00* WF 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 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 0.97 GC 1.00* HN 1.00* ! KK 1.05 KP 0.97 LA 0.97 MC 1.00* ! MK 1.03 NL 1.00* NY 1.00* ON 1.00* ! OV 1.00* PT 0.97 SC 1.00* WF 1.00* ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 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* ! ! ! Fit before self-cal, rms=0.098410Jy sigma=0.001383 ! Fit after self-cal, rms=0.073813Jy sigma=0.000985 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8885 mas, bmaj=14.36 mas, bpa=-12.51 degrees ! Estimated noise=3441.81 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 = 8.38544e-05 Jy ! Component: 100 - total flux cleaned = 0.00119286 Jy ! Total flux subtracted in 100 components = 0.00119286 Jy ! Clean residual min=-0.013927 max=0.011527 Jy/beam ! Clean residual mean=0.000224 rms=0.004154 Jy/beam ! Combined flux in latest and established models = 1.37866 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 47 components and 1.37866 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.070220Jy sigma=0.000934 ! Fit after self-cal, rms=0.069971Jy sigma=0.000930 ! 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 = 0.000405388 Jy ! Component: 100 - total flux cleaned = 0.000368689 Jy ! Total flux subtracted in 100 components = 0.000368688 Jy ! Clean residual min=-0.012286 max=0.009446 Jy/beam ! Clean residual mean=0.000219 rms=0.003666 Jy/beam ! Combined flux in latest and established models = 1.37903 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 20 model components to the UV plane model. ! The established model now contains 63 components and 1.37903 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.068934Jy sigma=0.000917 ! Fit after self-cal, rms=0.068145Jy sigma=0.000906 ! Inverting map and beam ! Estimated beam: bmin=0.8881 mas, bmaj=14.35 mas, bpa=-12.51 degrees ! Estimated noise=3443.01 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 = 0.00213208 Jy ! Component: 100 - total flux cleaned = 0.00257684 Jy ! Total flux subtracted in 100 components = 0.00257684 Jy ! Clean residual min=-0.011158 max=0.008624 Jy/beam ! Clean residual mean=0.000220 rms=0.003482 Jy/beam ! Combined flux in latest and established models = 1.38161 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 27 model components to the UV plane model. ! The established model now contains 85 components and 1.38161 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.067690Jy sigma=0.000901 ! Fit after self-cal, rms=0.067640Jy sigma=0.000900 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 2052-474_X ! Writing UV FITS file: 2052-474_X.uvf ! Writing 85 model components to file: 2052-474_X.mod ! wwins: Wrote 1 windows to 2052-474_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8881 x 14.35 at -12.51 degrees (North through East) ! Clean map min=-0.010896 max=1.1457 Jy/beam ! Writing clean map to FITS file: 2052-474_X.fits ! Writing difmap environment to: 2052-474_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 2052-474_X] device 2052-474_Xuv.ps/vps,1,2 ! Attempting to open device: '2052-474_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 2052-474_Xim.ps/vps ! Attempting to open device: '2052-474_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=0.8881 mas, bmaj=14.35 mas, bpa=-12.51 degrees ! Estimated noise=3443.01 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8881 x 14.35 at -12.51 degrees (North through East) ! Clean map min=-0.010896 max=1.1457 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1-pw] quit ! Quitting program ! Log file 2052-474_X.log closed on Mon Mar 31 23:04:40 2008