! Started logfile: NGC6454_S.log on Thu Feb 7 20:14:22 2008 observe NGC6454_S.edt ! Reading UV FITS file: NGC6454_S.edt ! AN table 1: 56 integrations on 136 of 136 possible baselines. ! AN table 2: 57 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.257093 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: NGC6454 ! ! 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 1251 lines of history. ! ! Reading 15804 visibilities. ![@gonzo7-0.4 NGC6454_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 421 telescope corrections were flagged in sub-array 1. ! A total of 615 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 421 telescope corrections were flagged in sub-array 1. ! A total of 615 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 422 telescope corrections were flagged in sub-array 1. ! A total of 615 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 423 telescope corrections were flagged in sub-array 1. ! A total of 613 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.807154Jy sigma=0.010425 ! Fit after self-cal, rms=0.804874Jy sigma=0.010423 ! 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=2.029 mas, bmaj=4.126 mas, bpa=3.192 degrees ! Estimated noise=1179.89 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 = 0.150597 Jy ! Total flux subtracted in 50 components = 0.150597 Jy ! Clean residual min=-0.010861 max=0.042010 Jy/beam ! Clean residual mean=0.000024 rms=0.002845 Jy/beam ! Combined flux in latest and established models = 0.150597 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 0.150597 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.103291Jy sigma=0.001267 ! Fit after self-cal, rms=0.103292Jy sigma=0.001267 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0341872 Jy ! Total flux subtracted in 50 components = 0.0341872 Jy ! Clean residual min=-0.007268 max=0.012976 Jy/beam ! Clean residual mean=0.000016 rms=0.001852 Jy/beam ! Combined flux in latest and established models = 0.184784 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.184784 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.091810Jy sigma=0.001073 ! Fit after self-cal, rms=0.091784Jy sigma=0.001073 ! Inverting map ! Added new window around map position (-2, -0.4). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0150685 Jy ! Total flux subtracted in 50 components = 0.0150685 Jy ! Clean residual min=-0.006439 max=0.009380 Jy/beam ! Clean residual mean=0.000013 rms=0.001573 Jy/beam ! Combined flux in latest and established models = 0.199853 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 0.199853 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.089485Jy sigma=0.001021 ! Fit after self-cal, rms=0.089411Jy sigma=0.001020 ! 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=2.685 mas, bmaj=4.616 mas, bpa=5.511 degrees ! Estimated noise=555.905 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 = 0.0158332 Jy ! Component: 100 - total flux cleaned = 0.0242108 Jy ! Total flux subtracted in 100 components = 0.0242108 Jy ! Clean residual min=-0.004479 max=0.008325 Jy/beam ! Clean residual mean=0.000032 rms=0.001216 Jy/beam ! Combined flux in latest and established models = 0.224063 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 20 components and 0.224063 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.087607Jy sigma=0.000971 ! Fit after self-cal, rms=0.087560Jy sigma=0.000971 ! Inverting map ! Added new window around map position (-12, -4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00738872 Jy ! Component: 100 - total flux cleaned = 0.00976415 Jy ! Total flux subtracted in 100 components = 0.00976415 Jy ! Clean residual min=-0.003603 max=0.004700 Jy/beam ! Clean residual mean=0.000025 rms=0.000950 Jy/beam ! Combined flux in latest and established models = 0.233828 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 34 components and 0.233827 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.087106Jy sigma=0.000959 ! Fit after self-cal, rms=0.087073Jy sigma=0.000959 ! 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 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.00* GC 1.00 HN 0.97 ! KK 1.03 KP 1.00* LA 1.00* MC 1.13 ! MK 1.00* NL 0.97 NY 0.90 ON 0.86 ! OV 0.96 PT 1.00* SC 1.00* WF 0.98 ! WZ 0.93 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.00 GC 1.06 HN 1.00* ! KK 1.03 KP 0.89 LA 0.97 MC 1.00* ! MK 1.08 NL 1.00 NY 1.00* ON 1.00* ! OV 1.01 PT 1.01 SC 1.00* WF 1.00* ! WZ 1.00* ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.00* GC 0.95 HN 1.00 ! KK 0.97 KP 1.00* LA 1.00* MC 1.13 ! MK 1.00* NL 1.02 NY 0.89 ON 0.91 ! OV 0.94 PT 1.00* SC 1.00* WF 0.99 ! WZ 0.94 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.99 GC 1.02 HN 1.00* ! KK 1.02 KP 0.96 LA 0.99 MC 1.00* ! MK 1.09 NL 1.09 NY 1.00* ON 1.00* ! OV 0.99 PT 0.94 SC 1.00* WF 1.00* ! WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00* GC 0.97 HN 1.08 ! KK 0.96 KP 1.00* LA 1.00* MC 1.03 ! MK 1.00* NL 0.96 NY 0.94 ON 0.89 ! OV 0.96 PT 1.00* SC 1.00* WF 0.95 ! WZ 0.91 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.96 GC 1.02 HN 1.00* ! KK 1.06 KP 1.00 LA 0.97 MC 1.00* ! MK 1.06 NL 1.12 NY 1.00* ON 1.00* ! OV 1.02 PT 1.01 SC 1.00* WF 1.00* ! WZ 1.00* ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.00* GC 0.99 HN 1.07 ! KK 0.95 KP 1.00* LA 1.00* MC 1.03 ! MK 1.00* NL 1.01 NY 0.96 ON 0.87 ! OV 0.88 PT 1.00* SC 1.00* WF 0.94 ! WZ 0.97 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.93 GC 1.04 HN 1.00* ! KK 1.05 KP 1.02 LA 0.89 MC 1.00* ! MK 1.03 NL 1.08 NY 1.00* ON 1.00* ! OV 0.98 PT 1.00 SC 1.00* WF 1.00* ! WZ 1.00* ! ! ! Fit before self-cal, rms=0.087073Jy sigma=0.000959 ! Fit after self-cal, rms=0.083519Jy sigma=0.000941 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.682 mas, bmaj=4.626 mas, bpa=5.432 degrees ! Estimated noise=549.791 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 = 0.00119882 Jy ! Component: 100 - total flux cleaned = 0.00163221 Jy ! Total flux subtracted in 100 components = 0.00163221 Jy ! Clean residual min=-0.002547 max=0.002758 Jy/beam ! Clean residual mean=0.000020 rms=0.000624 Jy/beam ! Combined flux in latest and established models = 0.23546 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 47 components and 0.23546 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.083444Jy sigma=0.000940 ! Fit after self-cal, rms=0.083442Jy sigma=0.000940 ! 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 = 0.000674726 Jy ! Component: 100 - total flux cleaned = 0.0010567 Jy ! Total flux subtracted in 100 components = 0.0010567 Jy ! Clean residual min=-0.002490 max=0.002680 Jy/beam ! Clean residual mean=0.000019 rms=0.000607 Jy/beam ! Combined flux in latest and established models = 0.236516 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 53 components and 0.236516 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.083403Jy sigma=0.000939 ! Fit after self-cal, rms=0.082947Jy sigma=0.000928 ! Inverting map and beam ! Estimated beam: bmin=2.686 mas, bmaj=4.621 mas, bpa=5.442 degrees ! Estimated noise=550.559 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 = 0.000674467 Jy ! Component: 100 - total flux cleaned = 0.00108515 Jy ! Total flux subtracted in 100 components = 0.00108515 Jy ! Clean residual min=-0.002448 max=0.002542 Jy/beam ! Clean residual mean=0.000021 rms=0.000589 Jy/beam ! Combined flux in latest and established models = 0.237602 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 59 components and 0.237602 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.082920Jy sigma=0.000928 ! Fit after self-cal, rms=0.082926Jy sigma=0.000927 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save NGC6454_S ! Writing UV FITS file: NGC6454_S.uvf ! Writing 59 model components to file: NGC6454_S.mod ! wwins: Wrote 3 windows to NGC6454_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.686 x 4.621 at 5.442 degrees (North through East) ! Clean map min=-0.0027491 max=0.19576 Jy/beam ! Writing clean map to FITS file: NGC6454_S.fits ! Writing difmap environment to: NGC6454_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot NGC6454_S] device NGC6454_Suv.ps/vps,1,2 ! Attempting to open device: 'NGC6454_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device NGC6454_Sim.ps/vps ! Attempting to open device: 'NGC6454_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=2.686 mas, bmaj=4.621 mas, bpa=5.442 degrees ! Estimated noise=550.559 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.686 x 4.621 at 5.442 degrees (North through East) ! Clean map min=-0.0027491 max=0.19576 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file NGC6454_S.log closed on Thu Feb 7 20:14:28 2008