! Started logfile: 0955+476_S.log on Tue Jan 22 21:44:22 2008 observe 0955+476_S.edt ! Reading UV FITS file: 0955+476_S.edt ! AN table 1: 6 integrations on 136 of 136 possible baselines. ! AN table 2: 325 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.345699 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 0955+476 ! ! 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 62248 visibilities. ![@gonzo7-0.4 0955+476_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 60 telescope corrections were flagged in sub-array 1. ! A total of 3812 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 60 telescope corrections were flagged in sub-array 1. ! A total of 3817 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 60 telescope corrections were flagged in sub-array 1. ! A total of 3811 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 60 telescope corrections were flagged in sub-array 1. ! A total of 3824 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.241656Jy sigma=0.003389 ! Fit after self-cal, rms=0.237899Jy sigma=0.003345 ! 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=2.041 mas, bmaj=2.423 mas, bpa=-25.69 degrees ! Estimated noise=642.022 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 = 0.612604 Jy ! Total flux subtracted in 50 components = 0.612604 Jy ! Clean residual min=-0.015886 max=0.170979 Jy/beam ! Clean residual mean=-0.000086 rms=0.004847 Jy/beam ! Combined flux in latest and established models = 0.612604 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 0.612604 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.258166Jy sigma=0.004024 ! Fit after self-cal, rms=0.258167Jy sigma=0.004024 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.139017 Jy ! Total flux subtracted in 50 components = 0.139017 Jy ! Clean residual min=-0.012717 max=0.051046 Jy/beam ! Clean residual mean=-0.000068 rms=0.003025 Jy/beam ! Combined flux in latest and established models = 0.751622 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 0.751622 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.168574Jy sigma=0.002584 ! Fit after self-cal, rms=0.168570Jy sigma=0.002584 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.057292 Jy ! Total flux subtracted in 50 components = 0.057292 Jy ! Clean residual min=-0.012062 max=0.029687 Jy/beam ! Clean residual mean=-0.000060 rms=0.002620 Jy/beam ! Combined flux in latest and established models = 0.808914 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 18 components and 0.808914 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.147607Jy sigma=0.002206 ! Fit after self-cal, rms=0.147607Jy sigma=0.002206 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0368963 Jy ! Total flux subtracted in 50 components = 0.0368963 Jy ! Clean residual min=-0.012110 max=0.020064 Jy/beam ! Clean residual mean=-0.000054 rms=0.002430 Jy/beam ! Combined flux in latest and established models = 0.84581 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 25 components and 0.84581 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.138556Jy sigma=0.002028 ! Fit after self-cal, rms=0.138555Jy sigma=0.002028 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0254944 Jy ! Total flux subtracted in 50 components = 0.0254944 Jy ! Clean residual min=-0.012758 max=0.017883 Jy/beam ! Clean residual mean=-0.000051 rms=0.002334 Jy/beam ! Combined flux in latest and established models = 0.871305 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 31 components and 0.871305 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.134388Jy sigma=0.001939 ! Fit after self-cal, rms=0.134387Jy sigma=0.001939 ! Inverting map ! Added new window around map position (4, 5.2). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.019435 Jy ! Total flux subtracted in 50 components = 0.019435 Jy ! Clean residual min=-0.013323 max=0.015317 Jy/beam ! Clean residual mean=-0.000048 rms=0.002277 Jy/beam ! Combined flux in latest and established models = 0.89074 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 37 components and 0.89074 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.132380Jy sigma=0.001894 ! Fit after self-cal, rms=0.132357Jy sigma=0.001894 ! 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=2.571 mas, bmaj=2.976 mas, bpa=-26.23 degrees ! Estimated noise=300.546 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 = 0.0189204 Jy ! Component: 100 - total flux cleaned = 0.0299125 Jy ! Total flux subtracted in 100 components = 0.0299125 Jy ! Clean residual min=-0.008740 max=0.013604 Jy/beam ! Clean residual mean=-0.000266 rms=0.002023 Jy/beam ! Combined flux in latest and established models = 0.920652 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 42 components and 0.920652 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.130521Jy sigma=0.001846 ! Fit after self-cal, rms=0.130504Jy sigma=0.001846 ! Inverting map ! Added new window around map position (6.4, -2.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0126045 Jy ! Component: 100 - total flux cleaned = 0.0165309 Jy ! Total flux subtracted in 100 components = 0.0165309 Jy ! Clean residual min=-0.008517 max=0.012047 Jy/beam ! Clean residual mean=-0.000300 rms=0.001937 Jy/beam ! Combined flux in latest and established models = 0.937183 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 51 components and 0.937183 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.129477Jy sigma=0.001827 ! Fit after self-cal, rms=0.129395Jy sigma=0.001826 ! 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 1.00 FD 1.04 GC 1.00 HN 1.00* ! KK 1.00* KP 0.95 LA 0.98 MC 1.00* ! MK 1.00* NL 0.95 NY 1.00* ON 1.00* ! OV 1.00* PT 1.08 SC 0.93 WF 1.00* ! WZ 1.00* ! ! A total of 39 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 1.04 GC 0.95 HN 1.01 ! KK 0.98 KP 0.89 LA 0.95 MC 1.08 ! MK 0.91 NL 0.95 NY 0.96 ON 0.96 ! OV 1.04 PT 1.03 SC 0.90 WF 0.97 ! 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 1.03 GC 1.01 HN 1.00* ! KK 1.00* KP 1.00 LA 1.05 MC 1.00* ! MK 1.00* NL 1.15 NY 1.00* ON 1.00* ! OV 1.00* PT 1.00 SC 0.99 WF 1.00* ! WZ 1.00* ! ! A total of 36 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 1.02 GC 0.97 HN 1.00 ! KK 0.94 KP 0.94 LA 0.99 MC 1.03 ! MK 0.95 NL 1.14 NY 0.98 ON 0.97 ! OV 0.95 PT 0.93 SC 1.02 WF 0.99 ! WZ 1.09 ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.02 GC 1.03 HN 1.00* ! KK 1.00* KP 1.04 LA 1.02 MC 1.00* ! MK 1.00* NL 1.06 NY 1.00* ON 1.00* ! OV 1.00* PT 1.01 SC 1.05 WF 1.00* ! WZ 1.00* ! ! A total of 24 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.99 GC 0.96 HN 1.04 ! KK 0.99 KP 1.09 LA 0.94 MC 1.31 ! MK 0.91 NL 1.12 NY 0.98 ON 0.98 ! OV 1.05 PT 1.03 SC 1.14 WF 1.00 ! WZ 1.01 ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.97 GC 1.03 HN 1.00* ! KK 1.00* KP 1.10 LA 0.96 MC 1.00* ! MK 1.00* NL 1.13 NY 1.00* ON 1.00* ! OV 1.00* PT 0.99 SC 1.16 WF 1.00* ! WZ 1.00* ! ! A total of 30 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.90 GC 0.96 HN 1.03 ! KK 1.02 KP 1.06 LA 0.87 MC 1.45 ! MK 0.90 NL 1.15 NY 0.97 ON 0.99 ! OV 0.96 PT 1.03 SC 1.20 WF 1.02 ! WZ 1.04 ! ! ! Fit before self-cal, rms=0.129395Jy sigma=0.001826 ! Fit after self-cal, rms=0.101741Jy sigma=0.001295 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.603 mas, bmaj=3.009 mas, bpa=-26.2 degrees ! Estimated noise=301.346 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 = -0.00511698 Jy ! Component: 100 - total flux cleaned = -0.00676333 Jy ! Total flux subtracted in 100 components = -0.00676333 Jy ! Clean residual min=-0.004313 max=0.004652 Jy/beam ! Clean residual mean=-0.000149 rms=0.000826 Jy/beam ! Combined flux in latest and established models = 0.93042 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 60 components and 0.93042 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.101100Jy sigma=0.001286 ! Fit after self-cal, rms=0.101080Jy sigma=0.001285 ! 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 (8, 14). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00112134 Jy ! Component: 100 - total flux cleaned = 0.000527745 Jy ! Total flux subtracted in 100 components = 0.000527745 Jy ! Clean residual min=-0.004237 max=0.003355 Jy/beam ! Clean residual mean=-0.000150 rms=0.000803 Jy/beam ! Combined flux in latest and established models = 0.930947 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 69 components and 0.930947 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.100837Jy sigma=0.001281 ! Fit after self-cal, rms=0.093271Jy sigma=0.001173 ! Inverting map and beam ! Estimated beam: bmin=2.603 mas, bmaj=3.024 mas, bpa=-26.3 degrees ! Estimated noise=301.413 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 = -0.00486917 Jy ! Component: 100 - total flux cleaned = -0.00680692 Jy ! Total flux subtracted in 100 components = -0.00680692 Jy ! Clean residual min=-0.002610 max=0.002416 Jy/beam ! Clean residual mean=-0.000125 rms=0.000502 Jy/beam ! Combined flux in latest and established models = 0.924141 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 83 components and 0.924141 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.092993Jy sigma=0.001169 ! Fit after self-cal, rms=0.092979Jy sigma=0.001169 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 0955+476_S ! Writing UV FITS file: 0955+476_S.uvf ! Writing 83 model components to file: 0955+476_S.mod ! wwins: Wrote 4 windows to 0955+476_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.603 x 3.024 at -26.3 degrees (North through East) ! Clean map min=-0.0030486 max=0.81719 Jy/beam ! Writing clean map to FITS file: 0955+476_S.fits ! Writing difmap environment to: 0955+476_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 0955+476_S] device 0955+476_Suv.ps/vps,1,2 ! Attempting to open device: '0955+476_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 0955+476_Sim.ps/vps ! Attempting to open device: '0955+476_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=2.603 mas, bmaj=3.024 mas, bpa=-26.3 degrees ! Estimated noise=301.413 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.603 x 3.024 at -26.3 degrees (North through East) ! Clean map min=-0.0030486 max=0.81719 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file 0955+476_S.log closed on Tue Jan 22 21:44:34 2008