! Started logfile: 1338+381_S.log on Tue Feb 5 18:32:15 2008 observe 1338+381_S.edt ! Reading UV FITS file: 1338+381_S.edt ! AN table 1: 94 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.273858 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1338+381 ! ! 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 14004 visibilities. ![@gonzo7-0.4 1338+381_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 1296 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 1288 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 1296 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 1338 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.674597Jy sigma=0.011215 ! Fit after self-cal, rms=0.670385Jy sigma=0.011433 ! 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=3.896 mas, bpa=-17.73 degrees ! Estimated noise=2050.02 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 = 0.237874 Jy ! Total flux subtracted in 50 components = 0.237874 Jy ! Clean residual min=-0.026136 max=0.066860 Jy/beam ! Clean residual mean=0.000136 rms=0.006118 Jy/beam ! Combined flux in latest and established models = 0.237874 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.237874 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.125727Jy sigma=0.002226 ! Fit after self-cal, rms=0.125762Jy sigma=0.002226 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0599913 Jy ! Total flux subtracted in 50 components = 0.0599913 Jy ! Clean residual min=-0.017345 max=0.025634 Jy/beam ! Clean residual mean=0.000082 rms=0.003872 Jy/beam ! Combined flux in latest and established models = 0.297866 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 8 components and 0.297866 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.088514Jy sigma=0.001534 ! Fit after self-cal, rms=0.088316Jy sigma=0.001531 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.031036 Jy ! Total flux subtracted in 50 components = 0.031036 Jy ! Clean residual min=-0.012792 max=0.015486 Jy/beam ! Clean residual mean=0.000054 rms=0.003040 Jy/beam ! Combined flux in latest and established models = 0.328902 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 18 components and 0.328902 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.075383Jy sigma=0.001274 ! Fit after self-cal, rms=0.075238Jy sigma=0.001272 ! 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=2.628 mas, bmaj=6.104 mas, bpa=-13.21 degrees ! Estimated noise=936.005 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 = 0.0303913 Jy ! Component: 100 - total flux cleaned = 0.0441003 Jy ! Total flux subtracted in 100 components = 0.0441003 Jy ! Clean residual min=-0.009740 max=0.011973 Jy/beam ! Clean residual mean=0.000044 rms=0.002814 Jy/beam ! Combined flux in latest and established models = 0.373002 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 28 model components to the UV plane model. ! The established model now contains 33 components and 0.373002 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.065098Jy sigma=0.001054 ! Fit after self-cal, rms=0.065018Jy sigma=0.001053 ! 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 39 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.00 GC 1.06 HN 1.05 ! KK 1.03 KP 1.00* LA 0.92 MC 1.00* ! MK 0.99 NL 0.97 NY 1.23 ON 1.00* ! OV 1.00* PT 1.00 SC 0.92 WF 0.98 ! WZ 1.00* ! ! ! Correcting IF 2. ! A total of 39 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.01 GC 1.07 HN 1.05 ! KK 0.98 KP 1.00* LA 0.99 MC 1.00* ! MK 1.03 NL 1.11 NY 1.02 ON 1.00* ! OV 1.00* PT 0.90 SC 1.05 WF 0.99 ! WZ 1.00* ! ! ! Correcting IF 3. ! A total of 42 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.98 GC 1.05 HN 1.06 ! KK 1.03 KP 1.00* LA 0.92 MC 1.00* ! MK 0.98 NL 1.07 NY 1.17 ON 1.00* ! OV 1.00* PT 1.00 SC 1.19 WF 0.96 ! WZ 1.00* ! ! ! Correcting IF 4. ! A total of 24 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.91 GC 1.03 HN 1.07 ! KK 1.02 KP 1.00* LA 0.87 MC 1.00* ! MK 1.01 NL 1.17 NY 1.06 ON 1.00* ! OV 1.00* PT 1.03 SC 1.18 WF 0.93 ! WZ 1.00* ! ! ! Fit before self-cal, rms=0.065018Jy sigma=0.001053 ! Fit after self-cal, rms=0.058065Jy sigma=0.000916 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.661 mas, bmaj=6.378 mas, bpa=-12.56 degrees ! Estimated noise=952.169 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 = 0.00187708 Jy ! Component: 100 - total flux cleaned = 0.00231065 Jy ! Total flux subtracted in 100 components = 0.00231065 Jy ! Clean residual min=-0.003949 max=0.005138 Jy/beam ! Clean residual mean=0.000085 rms=0.001045 Jy/beam ! Combined flux in latest and established models = 0.375313 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 41 components and 0.375313 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.057759Jy sigma=0.000910 ! Fit after self-cal, rms=0.057746Jy sigma=0.000909 ! 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 (-2.8, 9.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00143891 Jy ! Component: 100 - total flux cleaned = 0.00130416 Jy ! Total flux subtracted in 100 components = 0.00130416 Jy ! Clean residual min=-0.003656 max=0.004107 Jy/beam ! Clean residual mean=0.000080 rms=0.000915 Jy/beam ! Combined flux in latest and established models = 0.376617 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 52 components and 0.376617 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.057353Jy sigma=0.000902 ! Fit after self-cal, rms=0.055342Jy sigma=0.000860 ! Inverting map and beam ! Estimated beam: bmin=2.659 mas, bmaj=6.382 mas, bpa=-12.7 degrees ! Estimated noise=954.316 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 = 0.00122975 Jy ! Component: 100 - total flux cleaned = 0.00162829 Jy ! Total flux subtracted in 100 components = 0.00162829 Jy ! Clean residual min=-0.003232 max=0.004071 Jy/beam ! Clean residual mean=0.000068 rms=0.000843 Jy/beam ! Combined flux in latest and established models = 0.378245 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 59 components and 0.378245 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055256Jy sigma=0.000858 ! Fit after self-cal, rms=0.055253Jy sigma=0.000858 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1338+381_S ! Writing UV FITS file: 1338+381_S.uvf ! Writing 59 model components to file: 1338+381_S.mod ! wwins: Wrote 2 windows to 1338+381_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.659 x 6.382 at -12.7 degrees (North through East) ! Clean map min=-0.0035755 max=0.33141 Jy/beam ! Writing clean map to FITS file: 1338+381_S.fits ! Writing difmap environment to: 1338+381_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1338+381_S] device 1338+381_Suv.ps/vps,1,2 ! Attempting to open device: '1338+381_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1338+381_Sim.ps/vps ! Attempting to open device: '1338+381_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=2.659 mas, bmaj=6.382 mas, bpa=-12.7 degrees ! Estimated noise=954.316 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.659 x 6.382 at -12.7 degrees (North through East) ! Clean map min=-0.0035755 max=0.33141 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file 1338+381_S.log closed on Tue Feb 5 18:32:20 2008