! Started logfile: 3C245_S.log on Mon Aug 22 09:00:41 2005 observe 3C245_S.edt ! Reading UV FITS file: 3C245_S.edt ! AN table 1: 13 integrations on 171 of 171 possible baselines. ! AN table 2: 30 integrations on 171 of 171 possible baselines. ! AN table 3: 35 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.0997151 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 3C245 ! ! 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 5320 visibilities. ![@gonzo7-0.4 3C245_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 214 telescope corrections were flagged in sub-array 1. ! A total of 381 telescope corrections were flagged in sub-array 2. ! A total of 665 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 215 telescope corrections were flagged in sub-array 1. ! A total of 380 telescope corrections were flagged in sub-array 2. ! A total of 665 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 214 telescope corrections were flagged in sub-array 1. ! A total of 380 telescope corrections were flagged in sub-array 2. ! A total of 665 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 214 telescope corrections were flagged in sub-array 1. ! A total of 380 telescope corrections were flagged in sub-array 2. ! A total of 665 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.650769Jy sigma=0.011256 ! Fit after self-cal, rms=0.643832Jy sigma=0.011142 ! 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=2.732 mas, bmaj=6.87 mas, bpa=-7.879 degrees ! Estimated noise=1177.45 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 = 0.282752 Jy ! Total flux subtracted in 50 components = 0.282752 Jy ! Clean residual min=-0.045385 max=0.078859 Jy/beam ! Clean residual mean=-0.000128 rms=0.009984 Jy/beam ! Combined flux in latest and established models = 0.282752 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 0.282752 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154276Jy sigma=0.002661 ! Fit after self-cal, rms=0.154274Jy sigma=0.002661 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0626034 Jy ! Total flux subtracted in 50 components = 0.0626034 Jy ! Clean residual min=-0.037493 max=0.046110 Jy/beam ! Clean residual mean=0.000042 rms=0.008140 Jy/beam ! Combined flux in latest and established models = 0.345356 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 0.345356 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.130204Jy sigma=0.002255 ! Fit after self-cal, rms=0.130189Jy sigma=0.002255 ! 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=3.204 mas, bmaj=7.493 mas, bpa=-8.834 degrees ! Estimated noise=775.528 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 = 0.0107642 Jy ! Component: 100 - total flux cleaned = 0.00850428 Jy ! Total flux subtracted in 100 components = 0.00850428 Jy ! Clean residual min=-0.041142 max=0.055786 Jy/beam ! Clean residual mean=0.000114 rms=0.009060 Jy/beam ! Combined flux in latest and established models = 0.35386 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 16 components and 0.35386 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.126195Jy sigma=0.002191 ! Fit after self-cal, rms=0.126119Jy sigma=0.002190 ! 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 0.87 FD 0.81 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.08 LA 1.38 ! MC 1.00* MK 1.00* NL 1.00* NY 1.00* ! ON 1.00* OV 1.00 PT 1.26 SC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 1.17 GC 1.00* HH 1.00* ! HN 0.93 KK 1.00* KP 1.10 LA 0.96 ! MC 1.00* MK 0.93 NL 1.05 NY 1.00* ! ON 1.00* OV 0.90 PT 0.95 SC 1.00 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 0.85 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.10 LA 1.40 ! MC 1.00* MK 1.00* NL 1.00* NY 1.00* ! ON 1.00* OV 1.02 PT 1.31 SC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 1.14 GC 1.00* HH 1.00* ! HN 0.94 KK 1.00* KP 1.08 LA 0.99 ! MC 1.00* MK 0.98 NL 1.03 NY 1.00* ! ON 1.00* OV 0.90 PT 0.96 SC 1.05 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.80 FD 0.89 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.03 LA 1.06 ! MC 1.00* MK 1.00* NL 1.00* NY 1.00* ! ON 1.00* OV 0.95 PT 1.37 SC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.87 FD 1.07 GC 1.00* HH 1.00* ! HN 0.91 KK 1.00* KP 1.06 LA 1.19 ! MC 1.00* MK 1.01 NL 1.02 NY 1.00* ! ON 1.00* OV 0.91 PT 0.99 SC 1.10 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.82 FD 0.97 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 1.01 LA 1.29 ! MC 1.00* MK 1.00* NL 1.00* NY 1.00* ! ON 1.00* OV 0.95 PT 1.26 SC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.90 FD 1.11 GC 1.00* HH 1.00* ! HN 0.93 KK 1.00* KP 1.05 LA 0.99 ! MC 1.00* MK 1.00 NL 1.04 NY 1.00* ! ON 1.00* OV 0.76 PT 1.00 SC 1.15 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! ! Fit before self-cal, rms=0.126119Jy sigma=0.002190 ! Fit after self-cal, rms=0.119680Jy sigma=0.002032 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.216 mas, bmaj=7.534 mas, bpa=-9.529 degrees ! Estimated noise=760.198 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 = -0.0137583 Jy ! Component: 100 - total flux cleaned = -0.0178645 Jy ! Total flux subtracted in 100 components = -0.0178645 Jy ! Clean residual min=-0.034454 max=0.045966 Jy/beam ! Clean residual mean=0.000052 rms=0.007825 Jy/beam ! Combined flux in latest and established models = 0.335996 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 21 components and 0.335996 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.117807Jy sigma=0.002008 ! Fit after self-cal, rms=0.117931Jy sigma=0.002006 ! 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 (-22.4, 11.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0443281 Jy ! Component: 100 - total flux cleaned = 0.0526787 Jy ! Total flux subtracted in 100 components = 0.0526787 Jy ! Clean residual min=-0.030421 max=0.023941 Jy/beam ! Clean residual mean=-0.000005 rms=0.005941 Jy/beam ! Combined flux in latest and established models = 0.388674 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 34 components and 0.388674 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.101607Jy sigma=0.001725 ! Fit after self-cal, rms=0.093286Jy sigma=0.001652 ! Inverting map and beam ! Estimated beam: bmin=3.243 mas, bmaj=7.615 mas, bpa=-9.792 degrees ! Estimated noise=728.578 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 = 0.0180004 Jy ! Component: 100 - total flux cleaned = 0.0222124 Jy ! Total flux subtracted in 100 components = 0.0222124 Jy ! Clean residual min=-0.022339 max=0.021876 Jy/beam ! Clean residual mean=0.000014 rms=0.004881 Jy/beam ! Combined flux in latest and established models = 0.410887 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 26 model components to the UV plane model. ! The established model now contains 55 components and 0.410887 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.088992Jy sigma=0.001572 ! Fit after self-cal, rms=0.088821Jy sigma=0.001567 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 3C245_S ! Writing UV FITS file: 3C245_S.uvf ! Writing 55 model components to file: 3C245_S.mod ! wwins: Wrote 2 windows to 3C245_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.243 x 7.615 at -9.792 degrees (North through East) ! Clean map min=-0.021298 max=0.36424 Jy/beam ! Writing clean map to FITS file: 3C245_S.fits ! Writing difmap environment to: 3C245_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 3C245_S] device 3C245_Suv.ps/vps,1,2 ! Attempting to open device: '3C245_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 3C245_Sim.ps/vps ! Attempting to open device: '3C245_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=3.243 mas, bmaj=7.615 mas, bpa=-9.792 degrees ! Estimated noise=728.578 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.243 x 7.615 at -9.792 degrees (North through East) ! Clean map min=-0.021298 max=0.36424 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file 3C245_S.log closed on Mon Aug 22 09:01:02 2005