! Started logfile: 1420+326_S.log on Thu Aug 21 14:53:08 2008 observe 1420+326_S.edt ! Reading UV FITS file: 1420+326_S.edt ! AN table 1: 132 integrations on 171 of 171 possible baselines. ! AN table 2: 162 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.149361 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1420+326 ! ! 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 30036 visibilities. ![@gonzo7-0.4 1420+326_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 2318 telescope corrections were flagged in sub-array 1. ! A total of 1912 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 2312 telescope corrections were flagged in sub-array 1. ! A total of 1926 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 2321 telescope corrections were flagged in sub-array 1. ! A total of 1900 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 2324 telescope corrections were flagged in sub-array 1. ! A total of 1914 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.672440Jy sigma=13.954137 ! Fit after self-cal, rms=0.672271Jy sigma=13.948217 ! 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=1.858 mas, bmaj=3.215 mas, bpa=9.945 degrees ! Estimated noise=0.484888 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 = 0.236819 Jy ! Total flux subtracted in 50 components = 0.236819 Jy ! Clean residual min=-0.020628 max=0.066100 Jy/beam ! Clean residual mean=-0.000042 rms=0.003848 Jy/beam ! Combined flux in latest and established models = 0.236819 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 0.236819 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.157777Jy sigma=2.851404 ! Fit after self-cal, rms=0.157778Jy sigma=2.851397 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0647694 Jy ! Total flux subtracted in 50 components = 0.0647694 Jy ! Clean residual min=-0.014316 max=0.029877 Jy/beam ! Clean residual mean=-0.000022 rms=0.002696 Jy/beam ! Combined flux in latest and established models = 0.301588 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 0.301588 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.123964Jy sigma=2.128650 ! Fit after self-cal, rms=0.123615Jy sigma=2.123629 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0350538 Jy ! Total flux subtracted in 50 components = 0.0350538 Jy ! Clean residual min=-0.012442 max=0.018494 Jy/beam ! Clean residual mean=-0.000011 rms=0.002262 Jy/beam ! Combined flux in latest and established models = 0.336642 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 9 components and 0.336642 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.110964Jy sigma=1.860814 ! Fit after self-cal, rms=0.110817Jy sigma=1.858836 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.021033 Jy ! Total flux subtracted in 50 components = 0.021033 Jy ! Clean residual min=-0.012636 max=0.013802 Jy/beam ! Clean residual mean=-0.000005 rms=0.002093 Jy/beam ! Combined flux in latest and established models = 0.357675 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 10 components and 0.357675 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.105543Jy sigma=1.757999 ! Fit after self-cal, rms=0.105464Jy sigma=1.757058 ! 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=2.36 mas, bmaj=3.897 mas, bpa=5.894 degrees ! Estimated noise=0.241644 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 = 0.0197137 Jy ! Component: 100 - total flux cleaned = 0.0288602 Jy ! Total flux subtracted in 100 components = 0.0288602 Jy ! Clean residual min=-0.010496 max=0.010954 Jy/beam ! Clean residual mean=0.000030 rms=0.001942 Jy/beam ! Combined flux in latest and established models = 0.386535 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 11 components and 0.386535 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.101179Jy sigma=1.700770 ! Fit after self-cal, rms=0.101106Jy sigma=1.699732 ! 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: ! BR 1.00* FD 1.00* GC 0.99 HH 1.00* ! HN 1.00* KK 1.00* KP 1.00* LA 1.00* ! MA 1.00* MK 1.00* NL 1.00* NY 0.97 ! OV 1.00* PT 1.00* SC 1.00* TS 0.92 ! WF 1.00* WZ 0.99 GG 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 1.11 GC 1.32 HH 1.00* ! HN 0.93 KK 0.82 KP 0.93 LA 1.09 ! MA 1.00* MK 0.90 NL 0.94 NY 1.10 ! OV 1.02 PT 1.03 SC 0.79 TS 1.01 ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Correcting IF 2. ! A total of 84 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.09 HH 1.00* ! HN 1.00* KK 1.00* KP 1.00* LA 1.00* ! MA 1.00* MK 1.00* NL 1.00* NY 0.99 ! OV 1.00* PT 1.00* SC 1.00* TS 0.90 ! WF 1.00* WZ 0.98 GG 1.00* ! ! A total of 18 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.90 FD 1.02 GC 1.78 HH 1.00* ! HN 1.01 KK 0.80 KP 1.04 LA 1.09 ! MA 1.00* MK 0.99 NL 1.08 NY 1.05 ! OV 0.94 PT 0.89 SC 1.02 TS 0.98 ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Correcting IF 3. ! A total of 75 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.03 HH 1.00* ! HN 1.00* KK 1.00* KP 1.00* LA 1.00* ! MA 1.00* MK 1.00* NL 1.00* NY 0.95 ! OV 1.00* PT 1.00* SC 1.00* TS 0.96 ! WF 1.00* WZ 0.93 GG 1.00* ! ! A total of 21 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.98 GC 0.93 HH 1.00* ! HN 1.20 KK 0.79 KP 1.13 LA 0.91 ! MA 1.00* MK 1.00 NL 1.04 NY 1.07 ! OV 1.03 PT 0.95 SC 1.13 TS 1.00 ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Correcting IF 4. ! A total of 72 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.10 HH 1.00* ! HN 1.00* KK 1.00* KP 1.00* LA 1.00* ! MA 1.00* MK 1.00* NL 1.00* NY 1.06 ! OV 1.00* PT 1.00* SC 1.00* TS 0.87 ! WF 1.00* WZ 0.90 GG 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 0.87 GC 1.41 HH 1.00* ! HN 1.14 KK 0.83 KP 1.14 LA 0.78 ! MA 1.00* MK 0.90 NL 1.01 NY 1.07 ! OV 0.95 PT 0.91 SC 1.06 TS 1.02 ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Fit before self-cal, rms=0.101106Jy sigma=1.699732 ! Fit after self-cal, rms=0.081663Jy sigma=1.335757 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.347 mas, bmaj=3.948 mas, bpa=4.416 degrees ! Estimated noise=0.240328 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 = -0.00464536 Jy ! Component: 100 - total flux cleaned = -0.00448625 Jy ! Total flux subtracted in 100 components = -0.00448625 Jy ! Clean residual min=-0.003041 max=0.006807 Jy/beam ! Clean residual mean=-0.000007 rms=0.000738 Jy/beam ! Combined flux in latest and established models = 0.382049 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 16 components and 0.382049 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.080958Jy sigma=1.325190 ! Fit after self-cal, rms=0.080927Jy sigma=1.324617 ! Inverting map ! Added new window around map position (3.2, -2.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00605567 Jy ! Component: 100 - total flux cleaned = 0.00688987 Jy ! Total flux subtracted in 100 components = 0.00688987 Jy ! Clean residual min=-0.003285 max=0.003235 Jy/beam ! Clean residual mean=-0.000001 rms=0.000608 Jy/beam ! Combined flux in latest and established models = 0.388939 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 27 components and 0.388939 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.080312Jy sigma=1.314006 ! Fit after self-cal, rms=0.080267Jy sigma=1.313011 ! 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 (4.4, -14.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00228171 Jy ! Component: 100 - total flux cleaned = 0.00309242 Jy ! Total flux subtracted in 100 components = 0.00309242 Jy ! Clean residual min=-0.003289 max=0.002662 Jy/beam ! Clean residual mean=0.000001 rms=0.000556 Jy/beam ! Combined flux in latest and established models = 0.392032 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 33 components and 0.392032 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.080024Jy sigma=1.309232 ! Fit after self-cal, rms=0.079109Jy sigma=1.254231 ! Inverting map and beam ! Estimated beam: bmin=2.348 mas, bmaj=3.959 mas, bpa=3.949 degrees ! Estimated noise=0.24015 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 = -0.00146538 Jy ! Component: 100 - total flux cleaned = -0.000802907 Jy ! Total flux subtracted in 100 components = -0.000802907 Jy ! Clean residual min=-0.002447 max=0.001926 Jy/beam ! Clean residual mean=-0.000002 rms=0.000441 Jy/beam ! Combined flux in latest and established models = 0.391229 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 41 components and 0.391229 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.078822Jy sigma=1.250073 ! Fit after self-cal, rms=0.078808Jy sigma=1.249721 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1420+326_S ! Writing UV FITS file: 1420+326_S.uvf ! Writing 41 model components to file: 1420+326_S.mod ! wwins: Wrote 3 windows to 1420+326_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.348 x 3.959 at 3.949 degrees (North through East) ! Clean map min=-0.0022999 max=0.32222 Jy/beam ! Writing clean map to FITS file: 1420+326_S.fits ! Writing difmap environment to: 1420+326_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1420+326_S] device 1420+326_Suv.ps/vps,1,2 ! Attempting to open device: '1420+326_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1420+326_Sim.ps/vps ! Attempting to open device: '1420+326_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=2.348 mas, bmaj=3.959 mas, bpa=3.949 degrees ! Estimated noise=0.24015 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.348 x 3.959 at 3.949 degrees (North through East) ! Clean map min=-0.0022999 max=0.32222 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file 1420+326_S.log closed on Thu Aug 21 14:53:22 2008