! Started logfile: 0434-188_X.log on Fri Feb 15 00:45:42 2008 observe 0434-188_X.edt ! Reading UV FITS file: 0434-188_X.edt ! AN table 1: 62 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.109345 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 0434-188 ! ! 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 1230 lines of history. ! ! Reading 3688 visibilities. ![@gonzo8-0.1 0434-188_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 960 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 967 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 973 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 972 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.576024Jy sigma=0.010096 ! Fit after self-cal, rms=0.574097Jy sigma=0.010127 ! 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=0.9248 mas, bmaj=3.21 mas, bpa=4.458 degrees ! Estimated noise=2472.06 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 = 0.334502 Jy ! Total flux subtracted in 50 components = 0.334502 Jy ! Clean residual min=-0.032335 max=0.098049 Jy/beam ! Clean residual mean=0.000545 rms=0.014989 Jy/beam ! Combined flux in latest and established models = 0.334502 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.334502 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.135658Jy sigma=0.002732 ! Fit after self-cal, rms=0.135657Jy sigma=0.002732 ! 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=1.029 mas, bmaj=3.617 mas, bpa=-0.1088 degrees ! Estimated noise=1589.19 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 = 0.101786 Jy ! Component: 100 - total flux cleaned = 0.143059 Jy ! Total flux subtracted in 100 components = 0.143059 Jy ! Clean residual min=-0.011677 max=0.018258 Jy/beam ! Clean residual mean=0.000271 rms=0.004144 Jy/beam ! Combined flux in latest and established models = 0.477561 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 33 model components to the UV plane model. ! The established model now contains 35 components and 0.477561 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.057004Jy sigma=0.000965 ! Fit after self-cal, rms=0.056794Jy sigma=0.000962 ! 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 0.98 FD 0.96 GC 1.00* HN 1.02 ! KK 1.00* KP 0.97 LA 0.96 MC 1.00* ! MK 1.00* NL 0.96 NY 1.00* ON 1.00* ! OV 0.99 PT 0.97 SC 1.00 WF 1.03 ! WZ 1.00* ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.96 GC 1.00* HN 1.01 ! KK 1.00* KP 0.97 LA 0.97 MC 1.00* ! MK 1.00* NL 0.97 NY 1.00* ON 1.00* ! OV 0.97 PT 0.96 SC 1.04 WF 1.02 ! WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.96 GC 1.00* HN 1.03 ! KK 1.00* KP 0.97 LA 0.97 MC 1.00* ! MK 1.00* NL 0.95 NY 1.00* ON 1.00* ! OV 0.98 PT 0.97 SC 1.04 WF 1.05 ! 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 0.97 FD 0.96 GC 1.00* HN 1.05 ! KK 1.00* KP 0.96 LA 0.96 MC 1.00* ! MK 1.00* NL 0.95 NY 1.00* ON 1.00* ! OV 0.99 PT 0.96 SC 1.06 WF 1.13 ! WZ 1.00* ! ! ! Fit before self-cal, rms=0.056794Jy sigma=0.000962 ! Fit after self-cal, rms=0.051503Jy sigma=0.000828 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.049 mas, bmaj=3.656 mas, bpa=0.1134 degrees ! Estimated noise=1550.18 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 = 0.00157013 Jy ! Component: 100 - total flux cleaned = 0.00180494 Jy ! Total flux subtracted in 100 components = 0.00180494 Jy ! Clean residual min=-0.007365 max=0.008494 Jy/beam ! Clean residual mean=0.000002 rms=0.001966 Jy/beam ! Combined flux in latest and established models = 0.479366 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 44 components and 0.479366 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.051209Jy sigma=0.000824 ! Fit after self-cal, rms=0.051248Jy sigma=0.000823 ! 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 = 0.000234251 Jy ! Component: 100 - total flux cleaned = 0.000444497 Jy ! Total flux subtracted in 100 components = 0.000444497 Jy ! Clean residual min=-0.007289 max=0.008172 Jy/beam ! Clean residual mean=0.000001 rms=0.001926 Jy/beam ! Combined flux in latest and established models = 0.479811 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 8 model components to the UV plane model. ! The established model now contains 45 components and 0.479811 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.051024Jy sigma=0.000820 ! Fit after self-cal, rms=0.050394Jy sigma=0.000810 ! Inverting map and beam ! Estimated beam: bmin=1.048 mas, bmaj=3.652 mas, bpa=0.1055 degrees ! Estimated noise=1551.26 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 = 0.00170794 Jy ! Component: 100 - total flux cleaned = 0.00200903 Jy ! Total flux subtracted in 100 components = 0.00200903 Jy ! Clean residual min=-0.006978 max=0.007590 Jy/beam ! Clean residual mean=0.000003 rms=0.001867 Jy/beam ! Combined flux in latest and established models = 0.48182 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 51 components and 0.48182 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.050168Jy sigma=0.000807 ! Fit after self-cal, rms=0.050172Jy sigma=0.000807 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 0434-188_X ! Writing UV FITS file: 0434-188_X.uvf ! Writing 51 model components to file: 0434-188_X.mod ! wwins: Wrote 1 windows to 0434-188_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.048 x 3.652 at 0.1055 degrees (North through East) ! Clean map min=-0.0067294 max=0.4196 Jy/beam ! Writing clean map to FITS file: 0434-188_X.fits ! Writing difmap environment to: 0434-188_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 0434-188_X] device 0434-188_Xuv.ps/vps,1,2 ! Attempting to open device: '0434-188_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 0434-188_Xim.ps/vps ! Attempting to open device: '0434-188_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=1.048 mas, bmaj=3.652 mas, bpa=0.1055 degrees ! Estimated noise=1551.26 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.048 x 3.652 at 0.1055 degrees (North through East) ! Clean map min=-0.0067294 max=0.4196 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1] quit ! Quitting program ! Log file 0434-188_X.log closed on Fri Feb 15 00:45:46 2008