! Started logfile: 3C245_X.log on Wed Aug 3 11:19:14 2005 observe 3C245_X.edt ! Reading UV FITS file: 3C245_X.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: 0.0744489 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 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 1818 lines of history. ! ! Reading 3972 visibilities. ![@gonzo8-0.1 3C245_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 = 8.0 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 212 telescope corrections were flagged in sub-array 1. ! A total of 418 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 212 telescope corrections were flagged in sub-array 1. ! A total of 418 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 212 telescope corrections were flagged in sub-array 1. ! A total of 418 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 212 telescope corrections were flagged in sub-array 1. ! A total of 418 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=0.729748Jy sigma=0.013628 ! Fit after self-cal, rms=0.729304Jy sigma=0.013620 ! 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=1.743 mas, bmaj=2.697 mas, bpa=-4.241 degrees ! Estimated noise=1271.32 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 = 0.20835 Jy ! Total flux subtracted in 50 components = 0.20835 Jy ! Clean residual min=-0.034648 max=0.067659 Jy/beam ! Clean residual mean=-0.001026 rms=0.013179 Jy/beam ! Combined flux in latest and established models = 0.20835 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 0.20835 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.136550Jy sigma=0.002788 ! Fit after self-cal, rms=0.136552Jy sigma=0.002787 ! 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=2.017 mas, bmaj=2.985 mas, bpa=-8.265 degrees ! Estimated noise=789.59 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 = 0.0850279 Jy ! Component: 100 - total flux cleaned = 0.125031 Jy ! Total flux subtracted in 100 components = 0.125031 Jy ! Clean residual min=-0.017954 max=0.027432 Jy/beam ! Clean residual mean=-0.000340 rms=0.008282 Jy/beam ! Combined flux in latest and established models = 0.333382 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 25 model components to the UV plane model. ! The established model now contains 34 components and 0.333381 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.085854Jy sigma=0.001718 ! Fit after self-cal, rms=0.085809Jy sigma=0.001716 ! 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 1.13 FD 1.01 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.99 LA 0.96 ! MC 1.00* MK 1.00* NL 1.00* NY 1.00* ! ON 1.00* OV 1.07 PT 0.82 SC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.08 FD 0.94 GC 1.00* HH 1.00* ! HN 1.12 KK 1.00* KP 1.08 LA 0.89 ! MC 1.00* MK 1.00* NL 1.02 NY 1.00* ! ON 1.00* OV 0.98 PT 0.86 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 1.14 FD 1.06 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.98 LA 0.98 ! MC 1.00* MK 1.00* NL 1.00* NY 1.00* ! ON 1.00* OV 1.07 PT 0.79 SC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 0.92 GC 1.00* HH 1.00* ! HN 1.09 KK 1.00* KP 1.07 LA 0.90 ! MC 1.00* MK 1.00* NL 1.00 NY 1.00* ! ON 1.00* OV 0.98 PT 0.87 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 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.98 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.94 LA 0.96 ! MC 1.00* MK 1.00* NL 1.00* NY 1.00* ! ON 1.00* OV 1.10 PT 0.82 SC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 0.93 GC 1.00* HH 1.00* ! HN 1.13 KK 1.00* KP 1.04 LA 0.88 ! MC 1.00* MK 1.00* NL 0.99 NY 1.00* ! ON 1.00* OV 1.02 PT 0.88 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 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.03 GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.98 LA 0.95 ! MC 1.00* MK 1.00* NL 1.00* NY 1.00* ! ON 1.00* OV 1.05 PT 0.82 SC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.07 FD 0.94 GC 1.00* HH 1.00* ! HN 1.18 KK 1.00* KP 1.06 LA 0.89 ! MC 1.00* MK 1.00* NL 0.98 NY 1.00* ! ON 1.00* OV 1.04 PT 0.90 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* ! ! ! Fit before self-cal, rms=0.085809Jy sigma=0.001716 ! Fit after self-cal, rms=0.076968Jy sigma=0.001546 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.099 mas, bmaj=3.061 mas, bpa=-7.303 degrees ! Estimated noise=754.043 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 = 0.0005151 Jy ! Component: 100 - total flux cleaned = 0.000524847 Jy ! Total flux subtracted in 100 components = 0.000524847 Jy ! Clean residual min=-0.013172 max=0.025223 Jy/beam ! Clean residual mean=-0.000030 rms=0.006140 Jy/beam ! Combined flux in latest and established models = 0.333906 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 45 components and 0.333906 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.076739Jy sigma=0.001540 ! Fit after self-cal, rms=0.076943Jy sigma=0.001538 ! 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 = 0.000429649 Jy ! Component: 100 - total flux cleaned = 0.000317191 Jy ! Total flux subtracted in 100 components = 0.000317191 Jy ! Clean residual min=-0.013104 max=0.025027 Jy/beam ! Clean residual mean=-0.000032 rms=0.006093 Jy/beam ! Combined flux in latest and established models = 0.334223 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 52 components and 0.334223 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.076810Jy sigma=0.001534 ! Fit after self-cal, rms=0.076697Jy sigma=0.001523 ! Inverting map and beam ! Estimated beam: bmin=2.101 mas, bmaj=3.065 mas, bpa=-7.294 degrees ! Estimated noise=756.32 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 = 0.000734708 Jy ! Component: 100 - total flux cleaned = 0.000638378 Jy ! Total flux subtracted in 100 components = 0.000638378 Jy ! Clean residual min=-0.012910 max=0.025087 Jy/beam ! Clean residual mean=-0.000032 rms=0.006062 Jy/beam ! Combined flux in latest and established models = 0.334862 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 62 components and 0.334862 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.076608Jy sigma=0.001520 ! Fit after self-cal, rms=0.076595Jy sigma=0.001520 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 3C245_X ! Writing UV FITS file: 3C245_X.uvf ! Writing 62 model components to file: 3C245_X.mod ! wwins: Wrote 1 windows to 3C245_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.101 x 3.065 at -7.294 degrees (North through East) ! Clean map min=-0.012766 max=0.27312 Jy/beam ! Writing clean map to FITS file: 3C245_X.fits ! Writing difmap environment to: 3C245_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 3C245_X] device 3C245_Xuv.ps/vps,1,2 ! Attempting to open device: '3C245_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 3C245_Xim.ps/vps ! Attempting to open device: '3C245_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=2.101 mas, bmaj=3.065 mas, bpa=-7.294 degrees ! Estimated noise=756.32 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.101 x 3.065 at -7.294 degrees (North through East) ! Clean map min=-0.012766 max=0.27312 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1] quit ! Quitting program ! Log file 3C245_X.log closed on Wed Aug 3 11:19:32 2005