! Started logfile: CTA26_S.log on Tue Aug 26 15:09:38 2008 observe CTA26_S.edt2 ! Reading UV FITS file: CTA26_S.edt2 ! AN table 1: 16 integrations on 171 of 171 possible baselines. ! AN table 2: 18 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.0503956 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: CTA26 ! ! 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 1172 visibilities. ![@gonzo6-0.4 CTA26_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 = 6.0 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 266 telescope corrections were flagged in sub-array 1. ! A total of 342 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 266 telescope corrections were flagged in sub-array 1. ! A total of 342 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 266 telescope corrections were flagged in sub-array 1. ! A total of 342 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 266 telescope corrections were flagged in sub-array 1. ! A total of 342 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.481175Jy sigma=6.811909 ! Fit after self-cal, rms=0.481911Jy sigma=6.835131 ! 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=2.136 mas, bmaj=8.368 mas, bpa=-8.16 degrees ! Estimated noise=3.25045 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 = 0.951235 Jy ! Total flux subtracted in 50 components = 0.951235 Jy ! Clean residual min=-0.111501 max=0.342908 Jy/beam ! Clean residual mean=0.005870 rms=0.051692 Jy/beam ! Combined flux in latest and established models = 0.951235 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 0.951235 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.478118Jy sigma=7.147879 ! Fit after self-cal, rms=0.477077Jy sigma=7.144462 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.3336 Jy ! Total flux subtracted in 50 components = 0.3336 Jy ! Clean residual min=-0.056725 max=0.131586 Jy/beam ! Clean residual mean=0.003093 rms=0.022607 Jy/beam ! Combined flux in latest and established models = 1.28483 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 7 components and 1.28483 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.239283Jy sigma=3.308167 ! Fit after self-cal, rms=0.236740Jy sigma=3.292575 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.136836 Jy ! Total flux subtracted in 50 components = 0.136836 Jy ! Clean residual min=-0.037059 max=0.061470 Jy/beam ! Clean residual mean=0.001956 rms=0.012110 Jy/beam ! Combined flux in latest and established models = 1.42167 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 12 components and 1.42167 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.165133Jy sigma=2.065556 ! Fit after self-cal, rms=0.163801Jy sigma=2.058217 ! 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=2.658 mas, bmaj=10.02 mas, bpa=-8.761 degrees ! Estimated noise=2.50366 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 = 0.0772108 Jy ! Component: 100 - total flux cleaned = 0.117105 Jy ! Total flux subtracted in 100 components = 0.117105 Jy ! Clean residual min=-0.020083 max=0.038876 Jy/beam ! Clean residual mean=0.003493 rms=0.007005 Jy/beam ! Combined flux in latest and established models = 1.53877 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 21 components and 1.53878 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.130446Jy sigma=1.462855 ! Fit after self-cal, rms=0.129633Jy sigma=1.455123 ! Inverting map ! Added new window around map position (6, 1.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0347087 Jy ! Component: 100 - total flux cleaned = 0.0529735 Jy ! Total flux subtracted in 100 components = 0.0529735 Jy ! Clean residual min=-0.016413 max=0.018465 Jy/beam ! Clean residual mean=0.001978 rms=0.004441 Jy/beam ! Combined flux in latest and established models = 1.59175 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 39 components and 1.59175 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.120818Jy sigma=1.304113 ! Fit after self-cal, rms=0.120388Jy sigma=1.298631 ! 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 0.97 GC 1.00* HH 1.00* ! HN 0.99 KK 1.00* KP 0.98 LA 1.02 ! MA 1.00* MK 1.00* NL 0.99 NY 1.00* ! OV 1.00* PT 0.96 SC 0.96 TS 1.00* ! WF 0.97 WZ 1.06 GG 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MK 0.00* NL 0.00* NY 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GG 0.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00 GC 1.00* HH 1.00* ! HN 0.98 KK 1.00* KP 1.00 LA 1.02 ! MA 1.00* MK 1.00* NL 1.00 NY 1.00* ! OV 1.00* PT 0.99 SC 1.02 TS 1.00* ! WF 0.95 WZ 1.03 GG 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MK 0.00* NL 0.00* NY 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GG 0.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.01 GC 1.00* HH 1.00* ! HN 1.01 KK 1.00* KP 1.00 LA 1.03 ! MA 1.00* MK 1.00* NL 0.99 NY 1.00* ! OV 1.00* PT 0.99 SC 1.00 TS 1.00* ! WF 1.02 WZ 0.98 GG 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MK 0.00* NL 0.00* NY 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GG 0.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.01 GC 1.00* HH 1.00* ! HN 1.04 KK 1.00* KP 1.01 LA 1.01 ! MA 1.00* MK 1.00* NL 1.01 NY 1.00* ! OV 1.00* PT 0.98 SC 0.99 TS 1.00* ! WF 0.97 WZ 0.98 GG 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MK 0.00* NL 0.00* NY 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GG 0.00* ! ! ! Fit before self-cal, rms=0.120388Jy sigma=1.298631 ! Fit after self-cal, rms=0.115453Jy sigma=1.177011 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.67 mas, bmaj=10.01 mas, bpa=-8.772 degrees ! Estimated noise=2.49416 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 = 0.0101621 Jy ! Component: 100 - total flux cleaned = 0.0156292 Jy ! Total flux subtracted in 100 components = 0.0156292 Jy ! Clean residual min=-0.011218 max=0.010710 Jy/beam ! Clean residual mean=0.000419 rms=0.002942 Jy/beam ! Combined flux in latest and established models = 1.60738 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 22 model components to the UV plane model. ! The established model now contains 57 components and 1.60738 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.114575Jy sigma=1.165049 ! Fit after self-cal, rms=0.114391Jy sigma=1.162224 ! 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 = 0.0023563 Jy ! Component: 100 - total flux cleaned = 0.00267633 Jy ! Total flux subtracted in 100 components = 0.00267632 Jy ! Clean residual min=-0.010866 max=0.010407 Jy/beam ! Clean residual mean=0.000344 rms=0.002887 Jy/beam ! Combined flux in latest and established models = 1.61005 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 20 model components to the UV plane model. ! The established model now contains 69 components and 1.61005 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.114058Jy sigma=1.160291 ! Fit after self-cal, rms=0.113021Jy sigma=1.135635 ! Inverting map and beam ! Estimated beam: bmin=2.671 mas, bmaj=10.01 mas, bpa=-8.774 degrees ! Estimated noise=2.49348 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 = 0.000941031 Jy ! Component: 100 - total flux cleaned = 0.00121409 Jy ! Total flux subtracted in 100 components = 0.00121409 Jy ! Clean residual min=-0.010405 max=0.010111 Jy/beam ! Clean residual mean=0.000196 rms=0.002803 Jy/beam ! Combined flux in latest and established models = 1.61127 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 76 components and 1.61127 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.112700Jy sigma=1.133911 ! Fit after self-cal, rms=0.112627Jy sigma=1.132314 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save CTA26_S ! Writing UV FITS file: CTA26_S.uvf ! Writing 76 model components to file: CTA26_S.mod ! wwins: Wrote 2 windows to CTA26_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.671 x 10.01 at -8.774 degrees (North through East) ! Clean map min=-0.010407 max=1.1748 Jy/beam ! Writing clean map to FITS file: CTA26_S.fits ! Writing difmap environment to: CTA26_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot CTA26_S] device CTA26_Suv.ps/vps,1,2 ! Attempting to open device: 'CTA26_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device CTA26_Sim.ps/vps ! Attempting to open device: 'CTA26_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=2.671 mas, bmaj=10.01 mas, bpa=-8.774 degrees ! Estimated noise=2.49348 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.671 x 10.01 at -8.774 degrees (North through East) ! Clean map min=-0.010407 max=1.1748 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo6-0.4] quit ! Quitting program ! Log file CTA26_S.log closed on Tue Aug 26 15:09:45 2008