! Started logfile: 1657-261_S.log on Fri Aug 22 11:18:55 2008 observe 1657-261_S.edt ! Reading UV FITS file: 1657-261_S.edt ! AN table 1: 45 integrations on 171 of 171 possible baselines. ! AN table 2: 12 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.0406279 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1657-261 ! ! 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 1584 visibilities. ![@gonzo7-0.4 1657-261_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 831 telescope corrections were flagged in sub-array 1. ! A total of 149 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 795 telescope corrections were flagged in sub-array 1. ! A total of 149 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 783 telescope corrections were flagged in sub-array 1. ! A total of 149 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 789 telescope corrections were flagged in sub-array 1. ! A total of 149 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.697842Jy sigma=10.554439 ! Fit after self-cal, rms=0.694588Jy sigma=10.655137 ! 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=2.524 mas, bmaj=6.709 mas, bpa=-0.1491 degrees ! Estimated noise=2.43681 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 = 0.254964 Jy ! Total flux subtracted in 50 components = 0.254964 Jy ! Clean residual min=-0.025504 max=0.075050 Jy/beam ! Clean residual mean=0.000353 rms=0.009915 Jy/beam ! Combined flux in latest and established models = 0.254964 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 0.254964 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.157484Jy sigma=2.170384 ! Fit after self-cal, rms=0.157438Jy sigma=2.170301 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.064737 Jy ! Total flux subtracted in 50 components = 0.064737 Jy ! Clean residual min=-0.019380 max=0.028051 Jy/beam ! Clean residual mean=0.000129 rms=0.005977 Jy/beam ! Combined flux in latest and established models = 0.319701 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 14 components and 0.319701 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.136193Jy sigma=1.629734 ! Fit after self-cal, rms=0.136090Jy sigma=1.629508 ! 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=2.951 mas, bmaj=7.636 mas, bpa=0.8001 degrees ! Estimated noise=1.52647 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 = 0.0304469 Jy ! Component: 100 - total flux cleaned = 0.0426268 Jy ! Total flux subtracted in 100 components = 0.0426268 Jy ! Clean residual min=-0.016265 max=0.015479 Jy/beam ! Clean residual mean=0.000148 rms=0.004049 Jy/beam ! Combined flux in latest and established models = 0.362328 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 25 components and 0.362328 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.129555Jy sigma=1.520680 ! Fit after self-cal, rms=0.129589Jy sigma=1.520591 ! 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 24 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MK 0.00* NL 0.00* NY 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GG 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.84 FD 1.08 GC 1.00* HH 1.00* ! HN 1.00* KK 0.80 KP 0.94 LA 1.18 ! MA 1.00* MK 0.99 NL 1.05 NY 1.00* ! OV 1.04 PT 1.05 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Correcting IF 2. ! A total of 60 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MK 0.00* NL 0.00* NY 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GG 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.82 FD 1.05 GC 1.00* HH 1.00* ! HN 1.00* KK 0.75 KP 1.05 LA 1.02 ! MA 1.00* MK 1.08 NL 1.18 NY 1.00* ! OV 0.97 PT 0.94 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Correcting IF 3. ! A total of 72 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MK 0.00* NL 0.00* NY 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GG 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.17 FD 1.01 GC 1.00* HH 1.00* ! HN 1.00* KK 0.80 KP 1.13 LA 0.94 ! MA 1.00* MK 0.99 NL 1.00 NY 1.00* ! OV 1.01 PT 0.98 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Correcting IF 4. ! A total of 66 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MK 0.00* NL 0.00* NY 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GG 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.92 FD 0.95 GC 1.00* HH 1.00* ! HN 1.00* KK 0.98 KP 1.10 LA 0.76 ! MA 1.00* MK 0.98 NL 1.06 NY 1.00* ! OV 0.93 PT 0.92 SC 1.00* TS 1.00* ! WF 1.00* WZ 1.00* GG 1.00* ! ! ! Fit before self-cal, rms=0.129589Jy sigma=1.520591 ! Fit after self-cal, rms=0.091235Jy sigma=1.299008 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.318 mas, bmaj=19.32 mas, bpa=-4.353 degrees ! Estimated noise=1.44899 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 = 0.00495942 Jy ! Component: 100 - total flux cleaned = 0.00597831 Jy ! Total flux subtracted in 100 components = 0.00597831 Jy ! Clean residual min=-0.008531 max=0.010289 Jy/beam ! Clean residual mean=-0.000112 rms=0.002462 Jy/beam ! Combined flux in latest and established models = 0.368306 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 20 model components to the UV plane model. ! The established model now contains 41 components and 0.368306 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.090267Jy sigma=1.285917 ! Fit after self-cal, rms=0.090226Jy sigma=1.285591 ! 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 = 0.000870217 Jy ! Component: 100 - total flux cleaned = 0.00158709 Jy ! Total flux subtracted in 100 components = 0.00158709 Jy ! Clean residual min=-0.008544 max=0.009393 Jy/beam ! Clean residual mean=-0.000127 rms=0.002386 Jy/beam ! Combined flux in latest and established models = 0.369893 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 9 model components to the UV plane model. ! The established model now contains 46 components and 0.369893 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.089824Jy sigma=1.283527 ! Fit after self-cal, rms=0.089098Jy sigma=1.241573 ! Inverting map and beam ! Estimated beam: bmin=3.289 mas, bmaj=19.36 mas, bpa=-4.409 degrees ! Estimated noise=1.44093 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 = 0.00168246 Jy ! Component: 100 - total flux cleaned = 0.00234977 Jy ! Total flux subtracted in 100 components = 0.00234977 Jy ! Clean residual min=-0.008061 max=0.008462 Jy/beam ! Clean residual mean=-0.000100 rms=0.002104 Jy/beam ! Combined flux in latest and established models = 0.372243 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 20 model components to the UV plane model. ! The established model now contains 55 components and 0.372243 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.088653Jy sigma=1.238084 ! Fit after self-cal, rms=0.088661Jy sigma=1.237984 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1657-261_S ! Writing UV FITS file: 1657-261_S.uvf ! Writing 55 model components to file: 1657-261_S.mod ! wwins: Wrote 1 windows to 1657-261_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.289 x 19.36 at -4.409 degrees (North through East) ! Clean map min=-0.0080809 max=0.33221 Jy/beam ! Writing clean map to FITS file: 1657-261_S.fits ! Writing difmap environment to: 1657-261_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1657-261_S] device 1657-261_Suv.ps/vps,1,2 ! Attempting to open device: '1657-261_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1657-261_Sim.ps/vps ! Attempting to open device: '1657-261_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=3.289 mas, bmaj=19.36 mas, bpa=-4.409 degrees ! Estimated noise=1.44093 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.289 x 19.36 at -4.409 degrees (North through East) ! Clean map min=-0.0080809 max=0.33221 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file 1657-261_S.log closed on Fri Aug 22 11:19:01 2008