! Started logfile: 0202+149_S.log on Fri Feb 27 14:29:17 2009 observe 0202+149_S.edt ! Reading UV FITS file: 0202+149_S.edt ! AN table 1: 75 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.261684 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 0202+149 ! ! 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 1477 lines of history. ! ! Reading 14916 visibilities. ![@gonzo7-0.4 0202+149_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 947 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 952 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 944 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 947 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.551977Jy sigma=5.666894 ! Fit after self-cal, rms=0.550269Jy sigma=5.663289 ! 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=1.831 mas, bmaj=4.582 mas, bpa=-12.45 degrees ! Estimated noise=1.30444 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 = 0.439283 Jy ! Total flux subtracted in 50 components = 0.439283 Jy ! Clean residual min=-0.046408 max=0.135791 Jy/beam ! Clean residual mean=0.000558 rms=0.015040 Jy/beam ! Combined flux in latest and established models = 0.439283 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 0.439283 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.438379Jy sigma=5.731914 ! Fit after self-cal, rms=0.438072Jy sigma=5.730296 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.149583 Jy ! Total flux subtracted in 50 components = 0.149583 Jy ! Clean residual min=-0.041122 max=0.125221 Jy/beam ! Clean residual mean=0.000455 rms=0.012573 Jy/beam ! Combined flux in latest and established models = 0.588866 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 5 components and 0.588866 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.381077Jy sigma=4.719655 ! Fit after self-cal, rms=0.380080Jy sigma=4.715440 ! Inverting map ! Added new window around map position (-3.2, 2.4). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.117845 Jy ! Total flux subtracted in 50 components = 0.117845 Jy ! Clean residual min=-0.041086 max=0.058485 Jy/beam ! Clean residual mean=0.000378 rms=0.010596 Jy/beam ! Combined flux in latest and established models = 0.706711 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 15 components and 0.706711 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.343735Jy sigma=4.096402 ! Fit after self-cal, rms=0.341303Jy sigma=4.066109 ! 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=2.369 mas, bmaj=5.494 mas, bpa=-8.009 degrees ! Estimated noise=0.689968 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 = 0.137281 Jy ! Component: 100 - total flux cleaned = 0.217803 Jy ! Total flux subtracted in 100 components = 0.217803 Jy ! Clean residual min=-0.035724 max=0.059657 Jy/beam ! Clean residual mean=0.000267 rms=0.012897 Jy/beam ! Combined flux in latest and established models = 0.924514 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 34 model components to the UV plane model. ! The established model now contains 45 components and 0.924514 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.307290Jy sigma=3.148370 ! Fit after self-cal, rms=0.305802Jy sigma=3.120127 ! 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 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.83 FD 0.89 GC 0.99 HH 1.00* ! HN 0.86 KK 0.91 KP 1.13 LA 1.29 ! MA 2.63 MC 0.93 MK 0.87 NL 0.90 ! NY 0.98 ON 0.81 OV 0.86 PT 0.79 ! SC 1.17 TS 1.00* WF 1.05 WZ 1.20 ! ! ! Correcting IF 2. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.81 FD 0.83 GC 1.06 HH 1.00* ! HN 0.93 KK 1.04 KP 1.19 LA 1.41 ! MA 1.29 MC 0.87 MK 0.91 NL 1.06 ! NY 1.01 ON 0.79 OV 0.79 PT 0.86 ! SC 0.94 TS 1.00* WF 0.96 WZ 1.15 ! ! ! Correcting IF 3. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.85 FD 0.83 GC 1.02 HH 1.00* ! HN 1.01 KK 1.03 KP 1.50 LA 1.30 ! MA 1.28 MC 2.23 MK 0.90 NL 1.02 ! NY 1.09 ON 0.80 OV 0.88 PT 0.95 ! SC 1.16 TS 1.00* WF 0.96 WZ 1.17 ! ! ! Correcting IF 4. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 FD 0.73 GC 1.07 HH 1.00* ! HN 1.09 KK 0.99 KP 1.30 LA 1.13 ! MA 1.72 MC 2.29 MK 0.91 NL 1.03 ! NY 1.06 ON 0.78 OV 0.78 PT 0.86 ! SC 1.05 TS 1.00* WF 1.00 WZ 1.26 ! ! ! Fit before self-cal, rms=0.305802Jy sigma=3.120127 ! Fit after self-cal, rms=0.321199Jy sigma=1.897444 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.464 mas, bmaj=5.667 mas, bpa=-7.693 degrees ! Estimated noise=0.648644 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 = 0.0260688 Jy ! Component: 100 - total flux cleaned = 0.0286745 Jy ! Total flux subtracted in 100 components = 0.0286745 Jy ! Clean residual min=-0.020809 max=0.021692 Jy/beam ! Clean residual mean=0.000152 rms=0.004637 Jy/beam ! Combined flux in latest and established models = 0.953188 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 53 components and 0.953188 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.318299Jy sigma=1.814142 ! Fit after self-cal, rms=0.318260Jy sigma=1.791805 ! 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 = 0.0082639 Jy ! Component: 100 - total flux cleaned = 0.00917286 Jy ! Total flux subtracted in 100 components = 0.00917286 Jy ! Clean residual min=-0.019847 max=0.018999 Jy/beam ! Clean residual mean=0.000141 rms=0.004441 Jy/beam ! Combined flux in latest and established models = 0.962361 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 60 components and 0.962361 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.317156Jy sigma=1.771230 ! Fit after self-cal, rms=0.385716Jy sigma=1.494719 ! Inverting map and beam ! Estimated beam: bmin=2.47 mas, bmaj=5.641 mas, bpa=-7.931 degrees ! Estimated noise=0.647383 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 = 0.0158383 Jy ! Component: 100 - total flux cleaned = 0.0188958 Jy ! Total flux subtracted in 100 components = 0.0188958 Jy ! Clean residual min=-0.009543 max=0.009939 Jy/beam ! Clean residual mean=0.000170 rms=0.002401 Jy/beam ! Combined flux in latest and established models = 0.981257 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 22 model components to the UV plane model. ! The established model now contains 79 components and 0.981257 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.384911Jy sigma=1.471469 ! Fit after self-cal, rms=0.385103Jy sigma=1.463240 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 0202+149_S ! Writing UV FITS file: 0202+149_S.uvf ! Writing 79 model components to file: 0202+149_S.mod ! wwins: Wrote 2 windows to 0202+149_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.47 x 5.641 at -7.931 degrees (North through East) ! Clean map min=-0.0093352 max=0.61295 Jy/beam ! Writing clean map to FITS file: 0202+149_S.fits ! Writing difmap environment to: 0202+149_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 0202+149_S] device 0202+149_Suv.ps/vps,1,2 ! Attempting to open device: '0202+149_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 0202+149_Sim.ps/vps ! Attempting to open device: '0202+149_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=2.47 mas, bmaj=5.641 mas, bpa=-7.931 degrees ! Estimated noise=0.647383 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.47 x 5.641 at -7.931 degrees (North through East) ! Clean map min=-0.0093352 max=0.61295 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file 0202+149_S.log closed on Fri Feb 27 14:29:24 2009