! Started logfile: NGC6454_X.log on Wed Apr 2 00:16:56 2008 observe NGC6454_X.edt ! Reading UV FITS file: NGC6454_X.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 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 1214 lines of history. ! ! Reading 15804 visibilities. ![@gonzo8-0.1 NGC6454_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 424 telescope corrections were flagged in sub-array 1. ! A total of 620 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 423 telescope corrections were flagged in sub-array 1. ! A total of 612 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 425 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 528 telescope corrections were flagged in sub-array 1. ! A total of 614 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.833758Jy sigma=0.011867 ! Fit after self-cal, rms=0.831894Jy sigma=0.011867 ! 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=0.5237 mas, bmaj=1.106 mas, bpa=1.321 degrees ! Estimated noise=1130.39 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 = 0.126212 Jy ! Total flux subtracted in 50 components = 0.126212 Jy ! Clean residual min=-0.008940 max=0.035208 Jy/beam ! Clean residual mean=0.000036 rms=0.003020 Jy/beam ! Combined flux in latest and established models = 0.126212 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 0.126212 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.096196Jy sigma=0.001358 ! Fit after self-cal, rms=0.096196Jy sigma=0.001358 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.032357 Jy ! Total flux subtracted in 50 components = 0.032357 Jy ! Clean residual min=-0.006567 max=0.015077 Jy/beam ! Clean residual mean=0.000023 rms=0.002053 Jy/beam ! Combined flux in latest and established models = 0.158569 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.158569 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.085173Jy sigma=0.001136 ! Fit after self-cal, rms=0.085163Jy sigma=0.001136 ! 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=0.7198 mas, bmaj=1.272 mas, bpa=3.375 degrees ! Estimated noise=514.115 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 = 0.0232283 Jy ! Component: 100 - total flux cleaned = 0.0345843 Jy ! Total flux subtracted in 100 components = 0.0345843 Jy ! Clean residual min=-0.005089 max=0.015964 Jy/beam ! Clean residual mean=0.000080 rms=0.001934 Jy/beam ! Combined flux in latest and established models = 0.193154 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 30 components and 0.193154 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.081302Jy sigma=0.001012 ! Fit after self-cal, rms=0.081265Jy sigma=0.001012 ! Inverting map ! Added new window around map position (-1.1, -0.7). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0138553 Jy ! Component: 100 - total flux cleaned = 0.0200524 Jy ! Total flux subtracted in 100 components = 0.0200524 Jy ! Clean residual min=-0.004218 max=0.009520 Jy/beam ! Clean residual mean=0.000050 rms=0.001214 Jy/beam ! Combined flux in latest and established models = 0.213206 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 23 model components to the UV plane model. ! The established model now contains 53 components and 0.213206 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.079901Jy sigma=0.000965 ! Fit after self-cal, rms=0.079671Jy sigma=0.000961 ! 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 0.99 FD 1.00* GC 1.01 HN 1.05 ! KK 0.91 KP 1.00* LA 1.00* MC 1.08 ! MK 1.00* NL 0.98 NY 1.05 ON 0.86 ! OV 1.06 PT 1.00* SC 1.00* WF 0.97 ! WZ 0.87 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.95 GC 1.05 HN 1.00* ! KK 1.00 KP 0.97 LA 0.97 MC 1.00* ! MK 1.14 NL 1.17 NY 1.00* ON 1.00* ! OV 0.98 PT 0.97 SC 1.00* WF 1.00* ! WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.00* GC 1.01 HN 1.01 ! KK 0.93 KP 1.00* LA 1.00* MC 1.05 ! MK 1.00* NL 1.06 NY 1.05 ON 0.87 ! OV 1.01 PT 1.00* SC 1.00* WF 0.93 ! WZ 0.89 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.96 GC 1.08 HN 1.00* ! KK 1.04 KP 0.97 LA 0.97 MC 1.00* ! MK 1.15 NL 1.17 NY 1.00* ON 1.00* ! OV 1.00 PT 0.99 SC 1.00* WF 1.00* ! WZ 1.00* ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.00* GC 1.00 HN 0.97 ! KK 0.96 KP 1.00* LA 1.00* MC 1.05 ! MK 1.00* NL 1.06 NY 1.03 ON 0.83 ! OV 1.01 PT 1.00* SC 1.00* WF 0.98 ! WZ 0.89 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.95 GC 1.06 HN 1.00* ! KK 1.01 KP 0.98 LA 0.97 MC 1.00* ! MK 1.09 NL 1.10 NY 1.00* ON 1.00* ! OV 0.98 PT 0.98 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 0.94 FD 1.00* GC 0.92 HN 0.99 ! KK 0.94 KP 1.00* LA 1.00* MC 1.04 ! MK 1.00* NL 1.01 NY 0.96 ON 0.81 ! OV 1.04 PT 1.00* SC 1.00* WF 0.93 ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 0.94 GC 1.01 HN 1.00* ! KK 1.01 KP 0.98 LA 0.98 MC 1.00* ! MK 1.14 NL 1.09 NY 1.00* ON 1.00* ! OV 0.99 PT 0.97 SC 1.00* WF 1.00* ! WZ 1.00* ! ! ! Fit before self-cal, rms=0.079671Jy sigma=0.000961 ! Fit after self-cal, rms=0.077811Jy sigma=0.000942 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7183 mas, bmaj=1.271 mas, bpa=3.748 degrees ! Estimated noise=510.583 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 = 0.000799963 Jy ! Component: 100 - total flux cleaned = 0.000930693 Jy ! Total flux subtracted in 100 components = 0.000930693 Jy ! Clean residual min=-0.002735 max=0.005068 Jy/beam ! Clean residual mean=0.000015 rms=0.000818 Jy/beam ! Combined flux in latest and established models = 0.214137 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 66 components and 0.214137 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.077740Jy sigma=0.000941 ! Fit after self-cal, rms=0.077737Jy sigma=0.000941 ! 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 (-3, -1.1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00354601 Jy ! Component: 100 - total flux cleaned = 0.00378399 Jy ! Total flux subtracted in 100 components = 0.00378399 Jy ! Clean residual min=-0.002554 max=0.003527 Jy/beam ! Clean residual mean=0.000009 rms=0.000734 Jy/beam ! Combined flux in latest and established models = 0.217921 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 76 components and 0.217921 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.077520Jy sigma=0.000937 ! Fit after self-cal, rms=0.076834Jy sigma=0.000924 ! Inverting map and beam ! Estimated beam: bmin=0.7174 mas, bmaj=1.269 mas, bpa=3.685 degrees ! Estimated noise=512.106 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 = 0.00229711 Jy ! Component: 100 - total flux cleaned = 0.00292533 Jy ! Total flux subtracted in 100 components = 0.00292533 Jy ! Clean residual min=-0.002476 max=0.003051 Jy/beam ! Clean residual mean=0.000015 rms=0.000675 Jy/beam ! Combined flux in latest and established models = 0.220846 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 90 components and 0.220846 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.076754Jy sigma=0.000923 ! Fit after self-cal, rms=0.076750Jy sigma=0.000922 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save NGC6454_X ! Writing UV FITS file: NGC6454_X.uvf ! Writing 90 model components to file: NGC6454_X.mod ! wwins: Wrote 3 windows to NGC6454_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7174 x 1.269 at 3.685 degrees (North through East) ! Clean map min=-0.0024378 max=0.16779 Jy/beam ! Writing clean map to FITS file: NGC6454_X.fits ! Writing difmap environment to: NGC6454_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot NGC6454_X] device NGC6454_Xuv.ps/vps,1,2 ! Attempting to open device: 'NGC6454_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device NGC6454_Xim.ps/vps ! Attempting to open device: 'NGC6454_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=0.7174 mas, bmaj=1.269 mas, bpa=3.685 degrees ! Estimated noise=512.106 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7174 x 1.269 at 3.685 degrees (North through East) ! Clean map min=-0.0024378 max=0.16779 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1] quit ! Quitting program ! Log file NGC6454_X.log closed on Wed Apr 2 00:17:02 2008