! Started logfile: 1943+228_S.log on Mon Aug 25 12:17:00 2008 observe 1943+228_S.edt ! Reading UV FITS file: 1943+228_S.edt ! AN table 1: 45 integrations on 171 of 171 possible baselines. ! AN table 2: 184 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.187237 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1943+228 ! ! 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 1615 lines of history. ! ! Reading 29328 visibilities. ![@gonzo7-0.4 1943+228_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 729 telescope corrections were flagged in sub-array 1. ! A total of 1975 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 711 telescope corrections were flagged in sub-array 1. ! A total of 1966 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 711 telescope corrections were flagged in sub-array 1. ! A total of 1996 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 711 telescope corrections were flagged in sub-array 1. ! A total of 2020 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.914448Jy sigma=19.389325 ! Fit after self-cal, rms=0.914125Jy sigma=19.388121 ! 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=2.316 mas, bmaj=5.686 mas, bpa=-5.954 degrees ! Estimated noise=0.574024 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 = 0.0597937 Jy ! Total flux subtracted in 50 components = 0.0597937 Jy ! Clean residual min=-0.006936 max=0.020059 Jy/beam ! Clean residual mean=0.000000 rms=0.001940 Jy/beam ! Combined flux in latest and established models = 0.0597937 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 0.0597937 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.095422Jy sigma=1.753338 ! Fit after self-cal, rms=0.095416Jy sigma=1.753233 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0228628 Jy ! Total flux subtracted in 50 components = 0.0228628 Jy ! Clean residual min=-0.005429 max=0.012086 Jy/beam ! Clean residual mean=0.000003 rms=0.001532 Jy/beam ! Combined flux in latest and established models = 0.0826565 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 19 components and 0.0826565 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.088874Jy sigma=1.548696 ! Fit after self-cal, rms=0.088848Jy sigma=1.548478 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0150645 Jy ! Total flux subtracted in 50 components = 0.0150645 Jy ! Clean residual min=-0.004700 max=0.008187 Jy/beam ! Clean residual mean=0.000004 rms=0.001328 Jy/beam ! Combined flux in latest and established models = 0.097721 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 29 components and 0.097721 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.085763Jy sigma=1.450343 ! Fit after self-cal, rms=0.085739Jy sigma=1.450165 ! 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=2.912 mas, bmaj=7.703 mas, bpa=-6.494 degrees ! Estimated noise=0.236726 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 = 0.0182772 Jy ! Component: 100 - total flux cleaned = 0.0282169 Jy ! Total flux subtracted in 100 components = 0.0282169 Jy ! Clean residual min=-0.003296 max=0.008359 Jy/beam ! Clean residual mean=0.000007 rms=0.001119 Jy/beam ! Combined flux in latest and established models = 0.125938 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 37 model components to the UV plane model. ! The established model now contains 58 components and 0.125938 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.082376Jy sigma=1.345353 ! Fit after self-cal, rms=0.082330Jy sigma=1.344943 ! Inverting map ! Added new window around map position (-5.2, 8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00806714 Jy ! Component: 100 - total flux cleaned = 0.0129984 Jy ! Total flux subtracted in 100 components = 0.0129984 Jy ! Clean residual min=-0.002700 max=0.004530 Jy/beam ! Clean residual mean=0.000011 rms=0.000810 Jy/beam ! Combined flux in latest and established models = 0.138936 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 43 model components to the UV plane model. ! The established model now contains 100 components and 0.138936 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.081499Jy sigma=1.326919 ! Fit after self-cal, rms=0.081462Jy sigma=1.325040 ! 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 18 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.00* HH 1.00* ! HN 1.09 KK 1.00* KP 1.00* LA 1.00* ! MA 1.00* MK 1.00* NL 0.79 NY 0.89 ! OV 1.00* PT 1.00* SC 1.00* TS 1.00* ! WF 1.00* WZ 0.78 GG 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.07 FD 1.12 GC 1.26 HH 1.00* ! HN 0.91 KK 0.77 KP 0.86 LA 0.99 ! MA 1.00* MK 0.99 NL 0.93 NY 1.00* ! OV 1.06 PT 1.05 SC 0.78 TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Correcting IF 2. ! A total of 24 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.00* HH 1.00* ! HN 1.13 KK 1.00* KP 1.00* LA 1.00* ! MA 1.00* MK 1.00* NL 0.84 NY 0.89 ! OV 1.00* PT 1.00* SC 1.35 TS 1.00* ! WF 1.00* WZ 0.83 GG 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.06 GC 1.28 HH 1.00* ! HN 1.05 KK 0.79 KP 0.98 LA 1.00 ! MA 1.00* MK 1.01 NL 1.03 NY 1.00* ! OV 1.00 PT 0.86 SC 0.99 TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Correcting IF 3. ! A total of 24 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.00* HH 1.00* ! HN 1.02 KK 1.00* KP 1.00* LA 1.00* ! MA 1.00* MK 1.00* NL 0.82 NY 0.70 ! OV 1.00* PT 1.00* SC 1.73 TS 1.00* ! WF 1.00* WZ 0.67 GG 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.07 FD 1.02 GC 1.36 HH 1.00* ! HN 1.14 KK 0.64 KP 1.07 LA 0.92 ! MA 1.00* MK 1.10 NL 0.93 NY 1.00* ! OV 1.09 PT 0.91 SC 1.05 TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Correcting IF 4. ! A total of 24 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.00* HH 1.00* ! HN 1.10 KK 1.00* KP 1.00* LA 1.00* ! MA 1.00* MK 1.00* NL 0.91 NY 1.15 ! OV 1.00* PT 1.00* SC 0.91 TS 1.00* ! WF 1.00* WZ 0.60 GG 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.91 GC 1.16 HH 1.00* ! HN 1.11 KK 0.67 KP 1.06 LA 0.76 ! MA 1.00* MK 0.94 NL 0.97 NY 1.00* ! OV 0.98 PT 0.88 SC 1.08 TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Fit before self-cal, rms=0.081462Jy sigma=1.325040 ! Fit after self-cal, rms=0.070528Jy sigma=1.282070 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.84 mas, bmaj=7.966 mas, bpa=-6.391 degrees ! Estimated noise=0.221785 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 = -0.0010722 Jy ! Component: 100 - total flux cleaned = -0.000380853 Jy ! Total flux subtracted in 100 components = -0.000380853 Jy ! Clean residual min=-0.001473 max=0.002417 Jy/beam ! Clean residual mean=0.000003 rms=0.000364 Jy/beam ! Combined flux in latest and established models = 0.138555 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 117 components and 0.138555 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.070205Jy sigma=1.282652 ! Fit after self-cal, rms=0.070188Jy sigma=1.282233 ! Inverting map ! Added new window around map position (3.2, -1.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00126612 Jy ! Component: 100 - total flux cleaned = 0.00170112 Jy ! Total flux subtracted in 100 components = 0.00170112 Jy ! Clean residual min=-0.001380 max=0.001307 Jy/beam ! Clean residual mean=0.000004 rms=0.000338 Jy/beam ! Combined flux in latest and established models = 0.140257 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 24 model components to the UV plane model. ! The established model now contains 138 components and 0.140257 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.070092Jy sigma=1.282740 ! Fit after self-cal, rms=0.070086Jy sigma=1.282650 ! 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 = 0.000450276 Jy ! Component: 100 - total flux cleaned = 0.000605502 Jy ! Total flux subtracted in 100 components = 0.000605502 Jy ! Clean residual min=-0.001311 max=0.001286 Jy/beam ! Clean residual mean=0.000004 rms=0.000329 Jy/beam ! Combined flux in latest and established models = 0.140862 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 148 components and 0.140862 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.070047Jy sigma=1.282986 ! Fit after self-cal, rms=0.074886Jy sigma=1.228131 ! Inverting map and beam ! Estimated beam: bmin=2.818 mas, bmaj=7.933 mas, bpa=-6.39 degrees ! Estimated noise=0.21729 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 = -0.000646176 Jy ! Component: 100 - total flux cleaned = -0.000685901 Jy ! Total flux subtracted in 100 components = -0.000685901 Jy ! Clean residual min=-0.001160 max=0.001061 Jy/beam ! Clean residual mean=0.000003 rms=0.000281 Jy/beam ! Combined flux in latest and established models = 0.140176 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 156 components and 0.140176 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.074812Jy sigma=1.229316 ! Fit after self-cal, rms=0.074863Jy sigma=1.229173 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1943+228_S ! Writing UV FITS file: 1943+228_S.uvf ! Writing 156 model components to file: 1943+228_S.mod ! wwins: Wrote 3 windows to 1943+228_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.818 x 7.933 at -6.39 degrees (North through East) ! Clean map min=-0.0010889 max=0.083294 Jy/beam ! Writing clean map to FITS file: 1943+228_S.fits ! Writing difmap environment to: 1943+228_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1943+228_S] device 1943+228_Suv.ps/vps,1,2 ! Attempting to open device: '1943+228_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1943+228_Sim.ps/vps ! Attempting to open device: '1943+228_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=2.818 mas, bmaj=7.933 mas, bpa=-6.39 degrees ! Estimated noise=0.21729 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.818 x 7.933 at -6.39 degrees (North through East) ! Clean map min=-0.0010889 max=0.083294 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file 1943+228_S.log closed on Mon Aug 25 12:17:13 2008