! Started logfile: NGC6454_S.log on Fri Feb 16 16:57:27 2007 observe NGC6454_S.edt ! Reading UV FITS file: NGC6454_S.edt ! AN table 1: 216 integrations on 153 of 153 possible baselines. ! AN table 2: 43 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.227749 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 2.22997e+09 8e+06 1 8e+06 ! 02 2 2.25997e+09 8e+06 1 8e+06 ! 03 3 2.34997e+09 8e+06 1 8e+06 ! 04 4 2.36997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1912 lines of history. ! ! Reading 36100 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 2167 telescope corrections were flagged in sub-array 1. ! A total of 523 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 2151 telescope corrections were flagged in sub-array 1. ! A total of 538 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 2168 telescope corrections were flagged in sub-array 1. ! A total of 517 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 2231 telescope corrections were flagged in sub-array 1. ! A total of 536 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.810786Jy sigma=0.013376 ! Fit after self-cal, rms=0.809700Jy sigma=0.013413 ! 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=1.945 mas, bmaj=2.757 mas, bpa=60.15 degrees ! Estimated noise=707.098 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 = 0.140011 Jy ! Total flux subtracted in 50 components = 0.140011 Jy ! Clean residual min=-0.011645 max=0.039075 Jy/beam ! Clean residual mean=0.000031 rms=0.001883 Jy/beam ! Combined flux in latest and established models = 0.140011 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 0.140011 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.095275Jy sigma=0.001540 ! Fit after self-cal, rms=0.095275Jy sigma=0.001540 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0347277 Jy ! Total flux subtracted in 50 components = 0.0347277 Jy ! Clean residual min=-0.007001 max=0.015106 Jy/beam ! Clean residual mean=0.000016 rms=0.001309 Jy/beam ! Combined flux in latest and established models = 0.174738 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 6 components and 0.174738 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.080145Jy sigma=0.001279 ! Fit after self-cal, rms=0.080106Jy sigma=0.001278 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0167779 Jy ! Total flux subtracted in 50 components = 0.0167779 Jy ! Clean residual min=-0.005023 max=0.008324 Jy/beam ! Clean residual mean=0.000010 rms=0.001132 Jy/beam ! Combined flux in latest and established models = 0.191516 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 4 model components to the UV plane model. ! The established model now contains 6 components and 0.191516 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.075690Jy sigma=0.001200 ! Fit after self-cal, rms=0.075657Jy sigma=0.001199 ! Inverting map ! Added new window around map position (-2.8, -1.2). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00960016 Jy ! Total flux subtracted in 50 components = 0.00960016 Jy ! Clean residual min=-0.004856 max=0.007257 Jy/beam ! Clean residual mean=0.000006 rms=0.001070 Jy/beam ! Combined flux in latest and established models = 0.201117 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 14 components and 0.201117 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.073977Jy sigma=0.001170 ! Fit after self-cal, rms=0.073947Jy sigma=0.001169 ! 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=2.976 mas, bmaj=3.772 mas, bpa=85.71 degrees ! Estimated noise=284.428 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 = 0.0122908 Jy ! Component: 100 - total flux cleaned = 0.018421 Jy ! Total flux subtracted in 100 components = 0.018421 Jy ! Clean residual min=-0.003740 max=0.010845 Jy/beam ! Clean residual mean=0.000003 rms=0.001130 Jy/beam ! Combined flux in latest and established models = 0.219538 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 29 components and 0.219538 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.072250Jy sigma=0.001137 ! Fit after self-cal, rms=0.072181Jy sigma=0.001136 ! Inverting map ! Added new window around map position (-13.2, -4.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0095684 Jy ! Component: 100 - total flux cleaned = 0.014036 Jy ! Total flux subtracted in 100 components = 0.014036 Jy ! Clean residual min=-0.003048 max=0.003939 Jy/beam ! Clean residual mean=-0.000023 rms=0.000776 Jy/beam ! Combined flux in latest and established models = 0.233574 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 49 components and 0.233574 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.071136Jy sigma=0.001116 ! Fit after self-cal, rms=0.071088Jy sigma=0.001115 ! 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 78 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 1.14 GC 0.93 HH 1.00* HN 0.95 ! LA 1.09 MC 1.39 MK 0.97 NY 0.94 ! ON 1.00* OV 1.01 PT 1.00 SC 1.00* ! TS 1.00* WF 1.00 BR 0.97 KK 0.92 ! KP 0.88 WZ 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! FD 1.11 GC 1.00* HH 1.00* HN 0.90 ! LA 1.00* MC 1.00* MK 1.00* NY 0.89 ! ON 1.00* OV 0.98 PT 0.97 SC 1.00* ! TS 1.00* WF 1.00* BR 0.97 KK 1.00* ! KP 0.92 WZ 1.00* ! ! ! Correcting IF 2. ! A total of 60 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00 GC 0.91 HH 1.00* HN 0.94 ! LA 1.04 MC 1.21 MK 1.06 NY 0.92 ! ON 1.00* OV 1.04 PT 0.97 SC 1.00* ! TS 1.00* WF 1.02 BR 1.02 KK 0.91 ! KP 0.98 WZ 0.94 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 0.97 GC 1.00* HH 1.00* HN 0.93 ! LA 1.00* MC 1.00* MK 1.00* NY 0.83 ! ON 1.00* OV 1.02 PT 0.96 SC 1.00* ! TS 1.00* WF 1.00* BR 0.96 KK 1.00* ! KP 0.90 WZ 1.00* ! ! ! Correcting IF 3. ! A total of 72 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.95 GC 1.02 HH 1.00* HN 1.21 ! LA 0.93 MC 1.18 MK 1.04 NY 0.94 ! ON 1.00* OV 1.06 PT 1.06 SC 1.00* ! TS 1.00* WF 0.99 BR 1.06 KK 0.92 ! KP 1.01 WZ 0.92 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 0.93 GC 1.00* HH 1.00* HN 1.19 ! LA 1.00* MC 1.00* MK 1.00* NY 0.83 ! ON 1.00* OV 1.00 PT 1.08 SC 1.00* ! TS 1.00* WF 1.00* BR 1.00 KK 1.00* ! KP 1.04 WZ 1.00* ! ! ! Correcting IF 4. ! A total of 72 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.88 GC 1.02 HH 1.00* HN 1.11 ! LA 0.80 MC 1.00* MK 1.03 NY 0.88 ! ON 1.00* OV 0.93 PT 1.04 SC 1.00* ! TS 1.00* WF 1.08 BR 1.01 KK 0.94 ! KP 1.00 WZ 0.93 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.86 GC 1.00* HH 1.00* HN 1.10 ! LA 1.00* MC 1.00* MK 1.00* NY 0.86 ! ON 1.00* OV 0.90 PT 1.03 SC 1.00* ! TS 1.00* WF 1.00* BR 0.97 KK 1.00* ! KP 0.98 WZ 1.00* ! ! ! Fit before self-cal, rms=0.071088Jy sigma=0.001115 ! Fit after self-cal, rms=0.066671Jy sigma=0.001056 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.997 mas, bmaj=3.831 mas, bpa=86.6 degrees ! Estimated noise=282.912 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 = 0.00277758 Jy ! Component: 100 - total flux cleaned = 0.00417924 Jy ! Total flux subtracted in 100 components = 0.00417924 Jy ! Clean residual min=-0.001686 max=0.001629 Jy/beam ! Clean residual mean=0.000011 rms=0.000394 Jy/beam ! Combined flux in latest and established models = 0.237753 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 66 components and 0.237753 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.066565Jy sigma=0.001055 ! Fit after self-cal, rms=0.066567Jy sigma=0.001054 ! 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 = 0.000792387 Jy ! Component: 100 - total flux cleaned = 0.000834455 Jy ! Total flux subtracted in 100 components = 0.000834455 Jy ! Clean residual min=-0.001675 max=0.001575 Jy/beam ! Clean residual mean=0.000009 rms=0.000381 Jy/beam ! Combined flux in latest and established models = 0.238587 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 73 components and 0.238587 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.066534Jy sigma=0.001054 ! Fit after self-cal, rms=0.065699Jy sigma=0.001034 ! Inverting map and beam ! Estimated beam: bmin=2.996 mas, bmaj=3.827 mas, bpa=85.89 degrees ! Estimated noise=283.927 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 = 0.00105428 Jy ! Component: 100 - total flux cleaned = 0.0011836 Jy ! Total flux subtracted in 100 components = 0.0011836 Jy ! Clean residual min=-0.001465 max=0.001427 Jy/beam ! Clean residual mean=0.000017 rms=0.000333 Jy/beam ! Combined flux in latest and established models = 0.239771 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 83 components and 0.239771 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.065677Jy sigma=0.001033 ! Fit after self-cal, rms=0.065682Jy sigma=0.001033 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save NGC6454_S ! Writing UV FITS file: NGC6454_S.uvf ! Writing 83 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: 2.996 x 3.827 at 85.89 degrees (North through East) ! Clean map min=-0.0014213 max=0.18705 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=2.996 mas, bmaj=3.827 mas, bpa=85.89 degrees ! Estimated noise=283.927 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.996 x 3.827 at 85.89 degrees (North through East) ! Clean map min=-0.0014213 max=0.18705 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file NGC6454_S.log closed on Fri Feb 16 16:58:02 2007