! Started logfile: 1448+762_S.log on Thu Aug 21 15:21:58 2008 observe 1448+762_S.edt ! Reading UV FITS file: 1448+762_S.edt ! AN table 1: 91 integrations on 171 of 171 possible baselines. ! AN table 2: 79 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.240454 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1448+762 ! ! 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 27960 visibilities. ![@gonzo7-0.4 1448+762_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 801 telescope corrections were flagged in sub-array 1. ! A total of 1085 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 798 telescope corrections were flagged in sub-array 1. ! A total of 1078 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 798 telescope corrections were flagged in sub-array 1. ! A total of 1078 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 798 telescope corrections were flagged in sub-array 1. ! A total of 1078 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.796143Jy sigma=12.960803 ! Fit after self-cal, rms=0.796098Jy sigma=12.961062 ! 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=2.047 mas, bmaj=2.306 mas, bpa=-2.851 degrees ! Estimated noise=0.576977 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 = 0.152131 Jy ! Total flux subtracted in 50 components = 0.152131 Jy ! Clean residual min=-0.010047 max=0.042769 Jy/beam ! Clean residual mean=-0.000037 rms=0.002480 Jy/beam ! Combined flux in latest and established models = 0.152131 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 2 model components to the UV plane model. ! The established model now contains 2 components and 0.152131 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.128878Jy sigma=1.817077 ! Fit after self-cal, rms=0.128877Jy sigma=1.817053 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0427555 Jy ! Total flux subtracted in 50 components = 0.0427555 Jy ! Clean residual min=-0.008796 max=0.018660 Jy/beam ! Clean residual mean=-0.000022 rms=0.001845 Jy/beam ! Combined flux in latest and established models = 0.194886 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 7 components and 0.194886 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.114677Jy sigma=1.534656 ! Fit after self-cal, rms=0.114652Jy sigma=1.534487 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0200036 Jy ! Total flux subtracted in 50 components = 0.0200036 Jy ! Clean residual min=-0.009178 max=0.009024 Jy/beam ! Clean residual mean=-0.000015 rms=0.001673 Jy/beam ! Combined flux in latest and established models = 0.21489 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 8 components and 0.21489 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.111253Jy sigma=1.461978 ! Fit after self-cal, rms=0.111240Jy sigma=1.461920 ! 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=2.6 mas, bmaj=2.851 mas, bpa=4.31 degrees ! Estimated noise=0.322017 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 = 0.0117621 Jy ! Component: 100 - total flux cleaned = 0.0172748 Jy ! Total flux subtracted in 100 components = 0.0172748 Jy ! Clean residual min=-0.007067 max=0.006675 Jy/beam ! Clean residual mean=-0.000062 rms=0.001164 Jy/beam ! Combined flux in latest and established models = 0.232164 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 20 components and 0.232164 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.109929Jy sigma=1.434129 ! Fit after self-cal, rms=0.109917Jy sigma=1.433978 ! 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 48 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.16 GC 0.97 HH 1.00* ! HN 0.96 KK 0.89 KP 0.93 LA 1.12 ! MA 1.00* MK 0.85 NL 0.99 NY 1.17 ! OV 1.05 PT 1.05 SC 0.79 TS 1.07 ! WF 1.00* WZ 1.18 GG 1.00* ! ! A total of 15 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.98 GC 1.00* HH 1.00* ! HN 0.94 KK 1.00* KP 1.07 LA 1.04 ! MA 1.00* MK 0.67 NL 0.84 NY 1.00* ! OV 0.94 PT 0.98 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Correcting IF 2. ! A total of 51 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.09 GC 0.89 HH 1.00* ! HN 1.01 KK 0.92 KP 1.07 LA 1.13 ! MA 1.00* MK 0.97 NL 0.92 NY 1.14 ! OV 1.04 PT 0.83 SC 1.03 TS 1.05 ! WF 1.00* WZ 1.13 GG 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.90 FD 0.90 GC 1.00* HH 1.00* ! HN 0.95 KK 1.00* KP 0.96 LA 1.06 ! MA 1.00* MK 0.72 NL 0.96 NY 1.00* ! OV 0.92 PT 0.82 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Correcting IF 3. ! A total of 51 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.01 GC 0.97 HH 1.00* ! HN 1.26 KK 0.90 KP 1.08 LA 0.88 ! MA 1.00* MK 0.90 NL 1.07 NY 1.09 ! OV 1.07 PT 0.99 SC 1.12 TS 1.05 ! WF 1.00* WZ 1.10 GG 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.88 GC 1.00* HH 1.00* ! HN 1.14 KK 1.00* KP 1.07 LA 0.84 ! MA 1.00* MK 0.73 NL 0.92 NY 1.00* ! OV 0.98 PT 0.88 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Correcting IF 4. ! A total of 51 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.92 GC 0.99 HH 1.00* ! HN 1.20 KK 0.91 KP 1.11 LA 0.79 ! MA 1.00* MK 0.85 NL 1.03 NY 1.05 ! OV 0.99 PT 0.91 SC 1.09 TS 0.98 ! WF 1.00* WZ 1.15 GG 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.77 GC 1.00* HH 1.00* ! HN 1.18 KK 1.00* KP 1.03 LA 0.75 ! MA 1.00* MK 0.68 NL 0.88 NY 1.00* ! OV 0.94 PT 0.82 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Fit before self-cal, rms=0.109917Jy sigma=1.433978 ! Fit after self-cal, rms=0.100190Jy sigma=1.295646 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.657 mas, bmaj=2.877 mas, bpa=-1.443 degrees ! Estimated noise=0.316756 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 = -0.00382219 Jy ! Component: 100 - total flux cleaned = -0.00485872 Jy ! Total flux subtracted in 100 components = -0.00485872 Jy ! Clean residual min=-0.002133 max=0.003479 Jy/beam ! Clean residual mean=0.000003 rms=0.000537 Jy/beam ! Combined flux in latest and established models = 0.227306 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 22 components and 0.227306 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.100037Jy sigma=1.296376 ! Fit after self-cal, rms=0.100031Jy sigma=1.296097 ! Inverting map ! Added new window around map position (12.8, 9.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00281691 Jy ! Component: 100 - total flux cleaned = 0.00322742 Jy ! Total flux subtracted in 100 components = 0.00322742 Jy ! Clean residual min=-0.002067 max=0.002723 Jy/beam ! Clean residual mean=0.000008 rms=0.000512 Jy/beam ! Combined flux in latest and established models = 0.230533 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 34 components and 0.230533 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.099949Jy sigma=1.296435 ! Fit after self-cal, rms=0.099948Jy sigma=1.296248 ! 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 (3.2, 0.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00177376 Jy ! Component: 100 - total flux cleaned = 0.00159355 Jy ! Total flux subtracted in 100 components = 0.00159355 Jy ! Clean residual min=-0.002048 max=0.002208 Jy/beam ! Clean residual mean=0.000011 rms=0.000503 Jy/beam ! Combined flux in latest and established models = 0.232127 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 43 components and 0.232127 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.099889Jy sigma=1.295422 ! Fit after self-cal, rms=0.099985Jy sigma=1.237147 ! Inverting map and beam ! Estimated beam: bmin=2.664 mas, bmaj=2.876 mas, bpa=-2.375 degrees ! Estimated noise=0.315515 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 = -0.00108311 Jy ! Component: 100 - total flux cleaned = -0.00118699 Jy ! Total flux subtracted in 100 components = -0.00118699 Jy ! Clean residual min=-0.001598 max=0.001690 Jy/beam ! Clean residual mean=0.000004 rms=0.000406 Jy/beam ! Combined flux in latest and established models = 0.23094 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 46 components and 0.23094 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.099940Jy sigma=1.237120 ! Fit after self-cal, rms=0.099939Jy sigma=1.237045 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1448+762_S ! Writing UV FITS file: 1448+762_S.uvf ! Writing 46 model components to file: 1448+762_S.mod ! wwins: Wrote 3 windows to 1448+762_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.664 x 2.876 at -2.375 degrees (North through East) ! Clean map min=-0.0014943 max=0.20001 Jy/beam ! Writing clean map to FITS file: 1448+762_S.fits ! Writing difmap environment to: 1448+762_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1448+762_S] device 1448+762_Suv.ps/vps,1,2 ! Attempting to open device: '1448+762_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1448+762_Sim.ps/vps ! Attempting to open device: '1448+762_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=2.664 mas, bmaj=2.876 mas, bpa=-2.375 degrees ! Estimated noise=0.315515 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.664 x 2.876 at -2.375 degrees (North through East) ! Clean map min=-0.0014943 max=0.20001 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file 1448+762_S.log closed on Thu Aug 21 15:22:09 2008