! Started logfile: 1448+762_S.log on Fri Jun 20 12:09:00 2008 observe 1448+762_S.edt ! Reading UV FITS file: 1448+762_S.edt ! AN table 1: 168 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.315758 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 1901 lines of history. ! ! Reading 40316 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 1612 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 1612 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 1652 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 1634 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.761230Jy sigma=10.890118 ! Fit after self-cal, rms=0.760697Jy sigma=10.887673 ! 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=1.947 mas, bmaj=2.069 mas, bpa=-36.67 degrees ! Estimated noise=0.625968 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 = 0.173916 Jy ! Total flux subtracted in 50 components = 0.173916 Jy ! Clean residual min=-0.013121 max=0.048557 Jy/beam ! Clean residual mean=0.000022 rms=0.002350 Jy/beam ! Combined flux in latest and established models = 0.173916 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 0.173916 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.182774Jy sigma=1.865600 ! Fit after self-cal, rms=0.182775Jy sigma=1.865597 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0445364 Jy ! Total flux subtracted in 50 components = 0.0445364 Jy ! Clean residual min=-0.007113 max=0.019513 Jy/beam ! Clean residual mean=0.000013 rms=0.001791 Jy/beam ! Combined flux in latest and established models = 0.218452 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 0.218452 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.166959Jy sigma=1.589365 ! Fit after self-cal, rms=0.166956Jy sigma=1.589238 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0218652 Jy ! Total flux subtracted in 50 components = 0.0218652 Jy ! Clean residual min=-0.006532 max=0.015084 Jy/beam ! Clean residual mean=0.000009 rms=0.001640 Jy/beam ! Combined flux in latest and established models = 0.240318 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 9 model components to the UV plane model. ! The established model now contains 10 components and 0.240318 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.161931Jy sigma=1.504253 ! Fit after self-cal, rms=0.161924Jy sigma=1.504127 ! Inverting map ! Added new window around map position (6.4, 7.2). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0147442 Jy ! Total flux subtracted in 50 components = 0.0147442 Jy ! Clean residual min=-0.006338 max=0.012993 Jy/beam ! Clean residual mean=0.000006 rms=0.001575 Jy/beam ! Combined flux in latest and established models = 0.255062 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 16 components and 0.255062 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.159799Jy sigma=1.475060 ! Fit after self-cal, rms=0.159729Jy sigma=1.473604 ! Inverting map ! Added new window around map position (2.8, 0.4). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0113904 Jy ! Total flux subtracted in 50 components = 0.0113904 Jy ! Clean residual min=-0.006169 max=0.010854 Jy/beam ! Clean residual mean=0.000004 rms=0.001532 Jy/beam ! Combined flux in latest and established models = 0.266452 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 22 components and 0.266452 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.158345Jy sigma=1.455315 ! Fit after self-cal, rms=0.158302Jy sigma=1.454469 ! 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=2.686 mas, bmaj=2.858 mas, bpa=-46.04 degrees ! Estimated noise=0.307981 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 (-2, -0.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0169912 Jy ! Component: 100 - total flux cleaned = 0.0258018 Jy ! Total flux subtracted in 100 components = 0.0258018 Jy ! Clean residual min=-0.007673 max=0.008266 Jy/beam ! Clean residual mean=-0.000063 rms=0.001456 Jy/beam ! Combined flux in latest and established models = 0.292254 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 30 model components to the UV plane model. ! The established model now contains 49 components and 0.292254 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.156135Jy sigma=1.432397 ! Fit after self-cal, rms=0.156135Jy sigma=1.432293 ! 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 1.01 FD 0.99 GC 0.94 HH 1.00* ! HN 1.07 KK 0.98 KP 0.64 LA 0.88 ! MA 1.00* MC 1.84 MK 1.00 NL 0.81 ! NY 1.21 ON 1.00* OV 0.97 PT 1.14 ! SC 1.00* TS 1.03 WF 1.00* WZ 0.71 ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.99 GC 0.99 HH 1.00* ! HN 1.00 KK 0.91 KP 0.97 LA 0.90 ! MA 1.00* MC 1.68 MK 1.07 NL 1.05 ! NY 1.16 ON 1.00* OV 0.78 PT 1.04 ! SC 1.00* TS 0.98 WF 1.00* WZ 0.82 ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.09 GC 1.03 HH 1.00* ! HN 0.94 KK 0.92 KP 1.02 LA 0.75 ! MA 1.00* MC 1.21 MK 1.03 NL 1.11 ! NY 1.30 ON 1.00* OV 0.91 PT 1.03 ! SC 1.00* TS 0.97 WF 1.00* WZ 0.71 ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.11 GC 0.97 HH 1.00* ! HN 1.03 KK 1.00 KP 0.97 LA 1.18 ! MA 1.00* MC 1.04 MK 1.03 NL 0.81 ! NY 1.02 ON 1.00* OV 0.82 PT 1.15 ! SC 1.00* TS 1.00 WF 1.00* WZ 0.83 ! ! ! Fit before self-cal, rms=0.156135Jy sigma=1.432293 ! Fit after self-cal, rms=0.137879Jy sigma=1.303912 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.7 mas, bmaj=2.895 mas, bpa=-50.7 degrees ! Estimated noise=0.302563 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 = -0.00344222 Jy ! Component: 100 - total flux cleaned = -0.00510644 Jy ! Total flux subtracted in 100 components = -0.00510644 Jy ! Clean residual min=-0.002685 max=0.002461 Jy/beam ! Clean residual mean=0.000006 rms=0.000609 Jy/beam ! Combined flux in latest and established models = 0.287148 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 57 components and 0.287148 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.137748Jy sigma=1.302747 ! Fit after self-cal, rms=0.137730Jy sigma=1.302374 ! 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 = -0.000493267 Jy ! Component: 100 - total flux cleaned = -0.000596068 Jy ! Total flux subtracted in 100 components = -0.000596068 Jy ! Clean residual min=-0.002651 max=0.002465 Jy/beam ! Clean residual mean=0.000007 rms=0.000603 Jy/beam ! Combined flux in latest and established models = 0.286551 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 67 components and 0.286552 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.137702Jy sigma=1.302061 ! Fit after self-cal, rms=0.172272Jy sigma=1.248184 ! Inverting map and beam ! Estimated beam: bmin=2.7 mas, bmaj=2.912 mas, bpa=-51.55 degrees ! Estimated noise=0.302569 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 = -0.00227214 Jy ! Component: 100 - total flux cleaned = -0.00261826 Jy ! Total flux subtracted in 100 components = -0.00261826 Jy ! Clean residual min=-0.002184 max=0.002074 Jy/beam ! Clean residual mean=0.000001 rms=0.000500 Jy/beam ! Combined flux in latest and established models = 0.283933 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 68 components and 0.283933 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.172236Jy sigma=1.247703 ! Fit after self-cal, rms=0.172255Jy sigma=1.247585 ! 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 68 model components to file: 1448+762_S.mod ! wwins: Wrote 4 windows to 1448+762_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.7 x 2.912 at -51.55 degrees (North through East) ! Clean map min=-0.0021138 max=0.23377 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=2.7 mas, bmaj=2.912 mas, bpa=-51.55 degrees ! Estimated noise=0.302569 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.7 x 2.912 at -51.55 degrees (North through East) ! Clean map min=-0.0021138 max=0.23377 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file 1448+762_S.log closed on Fri Jun 20 12:09:14 2008