! Started logfile: 0920-397_S.log on Mon Aug 15 13:35:55 2005 observe 0920-397_S.edt ! Reading UV FITS file: 0920-397_S.edt ! AN table 1: 25 integrations on 171 of 171 possible baselines. ! AN table 2: 55 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.0495614 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 0920-397 ! ! 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 1565 lines of history. ! ! Reading 2712 visibilities. ![@gonzo7-0.4 0920-397_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 426 telescope corrections were flagged in sub-array 1. ! A total of 956 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 426 telescope corrections were flagged in sub-array 1. ! A total of 955 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 434 telescope corrections were flagged in sub-array 1. ! A total of 958 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 426 telescope corrections were flagged in sub-array 1. ! A total of 953 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.244645Jy sigma=0.002806 ! Fit after self-cal, rms=0.240161Jy sigma=0.002761 ! 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=2.425 mas, bmaj=9.154 mas, bpa=-7.443 degrees ! Estimated noise=3033.13 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 = 0.666047 Jy ! Total flux subtracted in 50 components = 0.666048 Jy ! Clean residual min=-0.063247 max=0.205566 Jy/beam ! Clean residual mean=0.000389 rms=0.022680 Jy/beam ! Combined flux in latest and established models = 0.666048 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 9 components and 0.666048 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.411989Jy sigma=0.004851 ! Fit after self-cal, rms=0.411986Jy sigma=0.004850 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.204301 Jy ! Total flux subtracted in 50 components = 0.204301 Jy ! Clean residual min=-0.041302 max=0.089801 Jy/beam ! Clean residual mean=0.000353 rms=0.013460 Jy/beam ! Combined flux in latest and established models = 0.870348 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 28 components and 0.870349 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.260064Jy sigma=0.003028 ! Fit after self-cal, rms=0.260036Jy sigma=0.003028 ! 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=3.39 mas, bmaj=14.78 mas, bpa=-10.49 degrees ! Estimated noise=1787.48 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 = 0.165273 Jy ! Component: 100 - total flux cleaned = 0.231357 Jy ! Total flux subtracted in 100 components = 0.231357 Jy ! Clean residual min=-0.026005 max=0.054590 Jy/beam ! Clean residual mean=0.001015 rms=0.009951 Jy/beam ! Combined flux in latest and established models = 1.10171 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 29 model components to the UV plane model. ! The established model now contains 52 components and 1.10171 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.151942Jy sigma=0.001709 ! Fit after self-cal, rms=0.151932Jy sigma=0.001708 ! 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 1.00* FD 0.99 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.07 LA 1.02 ! MC 1.00* MK 1.01 NL 1.20 NY 1.00* ! ON 1.00* OV 1.01 PT 1.01 SC 1.26 ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 24 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.98 GC 1.00* HH 1.00* ! HN 1.00* KK 1.03 KP 0.95 LA 0.94 ! MC 1.00* MK 0.91 NL 1.00* NY 1.00* ! ON 1.00* OV 0.93 PT 0.94 SC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.01 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.97 LA 1.01 ! MC 1.00* MK 1.09 NL 1.18 NY 1.00* ! ON 1.00* OV 1.03 PT 0.98 SC 1.18 ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.96 GC 1.00* HH 1.00* ! HN 1.00* KK 1.03 KP 0.94 LA 0.93 ! MC 1.00* MK 0.97 NL 1.00* NY 1.00* ! ON 1.00* OV 0.99 PT 0.91 SC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.98 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.06 LA 1.00* ! MC 1.00* MK 0.99 NL 1.24 NY 1.00* ! ON 1.00* OV 1.01 PT 0.98 SC 1.11 ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.01 GC 1.00* HH 1.00* ! HN 1.00* KK 1.03 KP 0.93 LA 0.92 ! MC 1.00* MK 0.94 NL 1.00* NY 1.00* ! ON 1.00* OV 0.98 PT 0.90 SC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.96 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.03 LA 0.97 ! MC 1.00* MK 0.96 NL 1.19 NY 1.00* ! ON 1.00* OV 1.00 PT 0.98 SC 1.06 ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 27 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.96 GC 1.00* HH 1.00* ! HN 1.00* KK 1.07 KP 0.91 LA 0.93 ! MC 1.00* MK 0.94 NL 1.00* NY 1.00* ! ON 1.00* OV 1.00 PT 0.93 SC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.151932Jy sigma=0.001708 ! Fit after self-cal, rms=0.110889Jy sigma=0.001270 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.434 mas, bmaj=14.61 mas, bpa=-10.87 degrees ! Estimated noise=1831.79 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 = 0.0104555 Jy ! Component: 100 - total flux cleaned = 0.010739 Jy ! Total flux subtracted in 100 components = 0.010739 Jy ! Clean residual min=-0.011783 max=0.017857 Jy/beam ! Clean residual mean=0.000808 rms=0.003737 Jy/beam ! Combined flux in latest and established models = 1.11244 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 65 components and 1.11244 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.109563Jy sigma=0.001253 ! Fit after self-cal, rms=0.109653Jy sigma=0.001253 ! 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 = 0.000472703 Jy ! Component: 100 - total flux cleaned = 0.000671116 Jy ! Total flux subtracted in 100 components = 0.000671116 Jy ! Clean residual min=-0.011478 max=0.017170 Jy/beam ! Clean residual mean=0.000807 rms=0.003677 Jy/beam ! Combined flux in latest and established models = 1.11312 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 71 components and 1.11312 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.109261Jy sigma=0.001249 ! Fit after self-cal, rms=0.104370Jy sigma=0.001181 ! Inverting map and beam ! Estimated beam: bmin=3.423 mas, bmaj=14.62 mas, bpa=-10.92 degrees ! Estimated noise=1834.94 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) ! Added new window around map position (-2.4, -26.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0118835 Jy ! Component: 100 - total flux cleaned = 0.0121839 Jy ! Total flux subtracted in 100 components = 0.0121839 Jy ! Clean residual min=-0.009482 max=0.011028 Jy/beam ! Clean residual mean=0.000405 rms=0.002844 Jy/beam ! Combined flux in latest and established models = 1.1253 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 20 model components to the UV plane model. ! The established model now contains 91 components and 1.1253 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.102665Jy sigma=0.001160 ! Fit after self-cal, rms=0.102461Jy sigma=0.001159 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 0920-397_S ! Writing UV FITS file: 0920-397_S.uvf ! Writing 91 model components to file: 0920-397_S.mod ! wwins: Wrote 2 windows to 0920-397_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.423 x 14.62 at -10.92 degrees (North through East) ! Clean map min=-0.009805 max=0.9513 Jy/beam ! Writing clean map to FITS file: 0920-397_S.fits ! Writing difmap environment to: 0920-397_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 0920-397_S] device 0920-397_Suv.ps/vps,1,2 ! Attempting to open device: '0920-397_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 0920-397_Sim.ps/vps ! Attempting to open device: '0920-397_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=3.423 mas, bmaj=14.62 mas, bpa=-10.92 degrees ! Estimated noise=1834.94 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.423 x 14.62 at -10.92 degrees (North through East) ! Clean map min=-0.009805 max=0.9513 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file 0920-397_S.log closed on Mon Aug 15 13:36:16 2005