! Started logfile: NRAO512_S.log on Thu May 8 13:01:05 2008 observe NRAO512_S.edt ! Reading UV FITS file: NRAO512_S.edt ! AN table 1: 108 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.221617 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: NRAO512 ! ! 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 2.22497e+09 8e+06 1 8e+06 ! 02 2 2.24497e+09 8e+06 1 8e+06 ! 03 3 2.33497e+09 8e+06 1 8e+06 ! 04 4 2.36497e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 955 lines of history. ! ! Reading 14648 visibilities. ![@gonzo7-0.4 NRAO512_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 1376 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 1348 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 1397 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 1425 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.158959Jy sigma=0.001746 ! Fit after self-cal, rms=0.156307Jy sigma=0.001729 ! 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=2.139 mas, bmaj=3.093 mas, bpa=-7.396 degrees ! Estimated noise=1224.31 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 = 0.763102 Jy ! Total flux subtracted in 50 components = 0.763102 Jy ! Clean residual min=-0.026572 max=0.212856 Jy/beam ! Clean residual mean=0.000050 rms=0.007999 Jy/beam ! Combined flux in latest and established models = 0.763102 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 0.763102 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.276790Jy sigma=0.003385 ! Fit after self-cal, rms=0.276791Jy sigma=0.003385 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.167441 Jy ! Total flux subtracted in 50 components = 0.167441 Jy ! Clean residual min=-0.015036 max=0.052416 Jy/beam ! Clean residual mean=-0.000002 rms=0.004091 Jy/beam ! Combined flux in latest and established models = 0.930543 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 0.930543 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.167521Jy sigma=0.001958 ! Fit after self-cal, rms=0.167513Jy sigma=0.001958 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0565921 Jy ! Total flux subtracted in 50 components = 0.0565921 Jy ! Clean residual min=-0.013389 max=0.027926 Jy/beam ! Clean residual mean=-0.000020 rms=0.003410 Jy/beam ! Combined flux in latest and established models = 0.987135 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 16 components and 0.987135 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.150663Jy sigma=0.001698 ! Fit after self-cal, rms=0.150605Jy sigma=0.001697 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0336517 Jy ! Total flux subtracted in 50 components = 0.0336517 Jy ! Clean residual min=-0.013125 max=0.017298 Jy/beam ! Clean residual mean=-0.000030 rms=0.003143 Jy/beam ! Combined flux in latest and established models = 1.02079 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 19 components and 1.02079 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.144208Jy sigma=0.001594 ! Fit after self-cal, rms=0.144153Jy sigma=0.001594 ! 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=2.431 mas, bmaj=3.356 mas, bpa=-9.238 degrees ! Estimated noise=703.743 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 = 0.0292419 Jy ! Component: 100 - total flux cleaned = 0.0452666 Jy ! Total flux subtracted in 100 components = 0.0452666 Jy ! Clean residual min=-0.012816 max=0.017320 Jy/beam ! Clean residual mean=-0.000235 rms=0.002915 Jy/beam ! Combined flux in latest and established models = 1.06605 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 29 components and 1.06605 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.139577Jy sigma=0.001517 ! Fit after self-cal, rms=0.139562Jy sigma=0.001516 ! 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 69 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.07 GC 0.99 HH 1.00* ! HN 0.98 KK 1.01 KP 0.97 LA 0.99 ! MC 1.01 MK 1.04 NL 0.94 NY 0.99 ! ON 1.06 OV 0.95 PT 1.04 SC 0.94 ! WF 1.12 WZ 0.94 ! ! ! Correcting IF 2. ! A total of 66 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.02 GC 0.97 HH 1.00* ! HN 0.98 KK 1.00 KP 1.03 LA 0.99 ! MC 1.14 MK 1.05 NL 0.96 NY 0.97 ! ON 1.04 OV 0.95 PT 0.96 SC 1.02 ! WF 1.10 WZ 0.91 ! ! ! Correcting IF 3. ! A total of 66 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.04 GC 0.98 HH 1.00* ! HN 1.10 KK 1.02 KP 1.00 LA 0.97 ! MC 1.24 MK 0.99 NL 0.98 NY 1.03 ! ON 1.07 OV 0.97 PT 1.01 SC 1.10 ! WF 1.15 WZ 0.91 ! ! ! Correcting IF 4. ! A total of 66 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.95 GC 1.03 HH 1.00* ! HN 1.08 KK 1.03 KP 1.04 LA 1.00* ! MC 1.36 MK 0.97 NL 0.98 NY 1.04 ! ON 1.14 OV 0.86 PT 1.00 SC 1.12 ! WF 1.15 WZ 0.89 ! ! ! Fit before self-cal, rms=0.139562Jy sigma=0.001516 ! Fit after self-cal, rms=0.120863Jy sigma=0.001192 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.404 mas, bmaj=3.347 mas, bpa=-9.549 degrees ! Estimated noise=715.584 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 = -0.00112438 Jy ! Component: 100 - total flux cleaned = -0.00102716 Jy ! Total flux subtracted in 100 components = -0.00102716 Jy ! Clean residual min=-0.005660 max=0.006830 Jy/beam ! Clean residual mean=0.000039 rms=0.001352 Jy/beam ! Combined flux in latest and established models = 1.06503 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 35 components and 1.06503 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.120738Jy sigma=0.001190 ! Fit after self-cal, rms=0.120740Jy sigma=0.001190 ! 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) ! Added new window around map position (-4.8, -1.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00602009 Jy ! Component: 100 - total flux cleaned = 0.00701124 Jy ! Total flux subtracted in 100 components = 0.00701124 Jy ! Clean residual min=-0.005840 max=0.005317 Jy/beam ! Clean residual mean=0.000033 rms=0.001313 Jy/beam ! Combined flux in latest and established models = 1.07204 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 44 components and 1.07204 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.120444Jy sigma=0.001186 ! Fit after self-cal, rms=0.110423Jy sigma=0.001073 ! Inverting map and beam ! Estimated beam: bmin=2.405 mas, bmaj=3.348 mas, bpa=-9.605 degrees ! Estimated noise=717.5 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 = 0.00309238 Jy ! Component: 100 - total flux cleaned = 0.00460672 Jy ! Total flux subtracted in 100 components = 0.00460672 Jy ! Clean residual min=-0.004031 max=0.003463 Jy/beam ! Clean residual mean=0.000028 rms=0.000813 Jy/beam ! Combined flux in latest and established models = 1.07664 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 61 components and 1.07664 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.110335Jy sigma=0.001072 ! Fit after self-cal, rms=0.110333Jy sigma=0.001072 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save NRAO512_S ! Writing UV FITS file: NRAO512_S.uvf ! Writing 61 model components to file: NRAO512_S.mod ! wwins: Wrote 2 windows to NRAO512_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.405 x 3.348 at -9.605 degrees (North through East) ! Clean map min=-0.0038478 max=0.9919 Jy/beam ! Writing clean map to FITS file: NRAO512_S.fits ! Writing difmap environment to: NRAO512_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot NRAO512_S] device NRAO512_Suv.ps/vps,1,2 ! Attempting to open device: 'NRAO512_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device NRAO512_Sim.ps/vps ! Attempting to open device: 'NRAO512_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=2.405 mas, bmaj=3.348 mas, bpa=-9.605 degrees ! Estimated noise=717.5 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.405 x 3.348 at -9.605 degrees (North through East) ! Clean map min=-0.0038478 max=0.9919 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file NRAO512_S.log closed on Thu May 8 13:01:11 2008