! Started logfile: 3C120_X.log on Wed May 14 16:46:58 2008 observe 3C120_X.edt ! Reading UV FITS file: 3C120_X.edt ! AN table 1: 33 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.104377 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 3C120 ! ! 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 2108 visibilities. ![@gonzo7-0.1 3C120_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 = 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 0.100x0.100 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 529 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 561 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 561 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 528 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.037960Jy sigma=0.016117 ! Fit after self-cal, rms=1.030776Jy sigma=0.016158 ! 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=0.4615 mas, bmaj=2.262 mas, bpa=-6.493 degrees ! Estimated noise=4898.55 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 = 1.10344 Jy ! Total flux subtracted in 50 components = 1.10344 Jy ! Clean residual min=-0.191138 max=0.454997 Jy/beam ! Clean residual mean=-0.000737 rms=0.068373 Jy/beam ! Combined flux in latest and established models = 1.10344 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 6 components and 1.10344 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.936823Jy sigma=0.014640 ! Fit after self-cal, rms=0.936771Jy sigma=0.014640 ! 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=0.8803 mas, bmaj=3.013 mas, bpa=-4.82 degrees ! Estimated noise=2555.28 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 = 0.77154 Jy ! Component: 100 - total flux cleaned = 1.00608 Jy ! Total flux subtracted in 100 components = 1.00608 Jy ! Clean residual min=-0.096517 max=0.136385 Jy/beam ! Clean residual mean=-0.000263 rms=0.034553 Jy/beam ! Combined flux in latest and established models = 2.10952 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 42 model components to the UV plane model. ! The established model now contains 47 components and 2.10952 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.256898Jy sigma=0.003241 ! Fit after self-cal, rms=0.257086Jy sigma=0.003240 ! 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 0.99 FD 0.97 GC 1.00* HH 1.00* ! HN 1.20 KK 1.00* KP 0.97 LA 0.96 ! MC 3.85 MK 1.17 NL 1.01 NY 1.51 ! ON 1.00* OV 0.97 PT 0.95 SC 1.22 ! WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.00 GC 1.00* HH 1.00* ! HN 1.18 KK 1.00* KP 1.02 LA 0.96 ! MC 0.77 MK 1.17 NL 0.96 NY 1.72 ! ON 0.78 OV 0.98 PT 0.94 SC 1.16 ! WF 1.00* WZ 1.21 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.99 GC 1.00* HH 1.00* ! HN 1.21 KK 1.00* KP 1.00 LA 0.95 ! MC 0.95 MK 1.19 NL 1.00* NY 1.00* ! ON 1.01 OV 0.98 PT 0.94 SC 1.17 ! WF 1.00* WZ 0.92 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.97 GC 1.00* HH 1.00* ! HN 1.19 KK 1.00* KP 0.97 LA 0.96 ! MC 0.95 MK 1.20 NL 1.02 NY 1.00* ! ON 0.42 OV 0.97 PT 0.95 SC 1.18 ! WF 1.00* WZ 0.88 ! ! ! Fit before self-cal, rms=0.257086Jy sigma=0.003240 ! Fit after self-cal, rms=0.224144Jy sigma=0.002404 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9253 mas, bmaj=3.181 mas, bpa=-4.93 degrees ! Estimated noise=2490.15 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 = -0.00758429 Jy ! Component: 100 - total flux cleaned = -0.00763091 Jy ! Total flux subtracted in 100 components = -0.00763091 Jy ! Clean residual min=-0.069985 max=0.078546 Jy/beam ! Clean residual mean=-0.000387 rms=0.020938 Jy/beam ! Combined flux in latest and established models = 2.10189 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 53 components and 2.10189 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.221826Jy sigma=0.002396 ! Fit after self-cal, rms=0.222185Jy sigma=0.002395 ! 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 = 0.000938468 Jy ! Component: 100 - total flux cleaned = 0.00129177 Jy ! Total flux subtracted in 100 components = 0.00129177 Jy ! Clean residual min=-0.069830 max=0.078458 Jy/beam ! Clean residual mean=-0.000384 rms=0.020872 Jy/beam ! Combined flux in latest and established models = 2.10318 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 56 components and 2.10318 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.220890Jy sigma=0.002390 ! Fit after self-cal, rms=0.220471Jy sigma=0.002173 ! Inverting map and beam ! Estimated beam: bmin=0.9303 mas, bmaj=3.178 mas, bpa=-4.859 degrees ! Estimated noise=2494.58 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 = 0.000452324 Jy ! Component: 100 - total flux cleaned = 0.00155229 Jy ! Total flux subtracted in 100 components = 0.00155229 Jy ! Clean residual min=-0.063985 max=0.061239 Jy/beam ! Clean residual mean=-0.000508 rms=0.018783 Jy/beam ! Combined flux in latest and established models = 2.10474 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 8 model components to the UV plane model. ! The established model now contains 59 components and 2.10474 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.219013Jy sigma=0.002166 ! Fit after self-cal, rms=0.219323Jy sigma=0.002165 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 3C120_X ! Writing UV FITS file: 3C120_X.uvf ! Writing 59 model components to file: 3C120_X.mod ! wwins: Wrote 1 windows to 3C120_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9303 x 3.178 at -4.859 degrees (North through East) ! Clean map min=-0.063058 max=1.7858 Jy/beam ! Writing clean map to FITS file: 3C120_X.fits ! Writing difmap environment to: 3C120_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 3C120_X] device 3C120_Xuv.ps/vps,1,2 ! Attempting to open device: '3C120_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 3C120_Xim.ps/vps ! Attempting to open device: '3C120_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=0.9303 mas, bmaj=3.178 mas, bpa=-4.859 degrees ! Estimated noise=2494.58 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9303 x 3.178 at -4.859 degrees (North through East) ! Clean map min=-0.063058 max=1.7858 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.1] quit ! Quitting program ! Log file 3C120_X.log closed on Wed May 14 16:47:05 2008