! Started logfile: 1741-038_S.log on Tue Feb 5 19:18:59 2008 observe 1741-038_S.edt ! Reading UV FITS file: 1741-038_S.edt ! AN table 1: 34 integrations on 136 of 136 possible baselines. ! AN table 2: 19 integrations on 136 of 136 possible baselines. ! AN table 3: 53 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.182644 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1741-038 ! ! 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 10532 visibilities. ![@gonzo5-0.4 1741-038_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 = 5.0 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 403 telescope corrections were flagged in sub-array 1. ! A total of 217 telescope corrections were flagged in sub-array 2. ! A total of 696 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 402 telescope corrections were flagged in sub-array 1. ! A total of 217 telescope corrections were flagged in sub-array 2. ! A total of 695 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 405 telescope corrections were flagged in sub-array 1. ! A total of 217 telescope corrections were flagged in sub-array 2. ! A total of 713 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 402 telescope corrections were flagged in sub-array 1. ! A total of 217 telescope corrections were flagged in sub-array 2. ! A total of 713 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=2.662889Jy sigma=0.036690 ! Fit after self-cal, rms=2.661782Jy sigma=0.036734 ! 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=2.193 mas, bmaj=6.663 mas, bpa=-6.992 degrees ! Estimated noise=977.099 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 = 2.7881 Jy ! Total flux subtracted in 50 components = 2.7881 Jy ! Clean residual min=-0.120061 max=0.777723 Jy/beam ! Clean residual mean=0.000419 rms=0.040116 Jy/beam ! Combined flux in latest and established models = 2.7881 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 2.7881 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.939957Jy sigma=0.013487 ! Fit after self-cal, rms=0.939956Jy sigma=0.013487 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.633113 Jy ! Total flux subtracted in 50 components = 0.633113 Jy ! Clean residual min=-0.053231 max=0.234934 Jy/beam ! Clean residual mean=0.000191 rms=0.018401 Jy/beam ! Combined flux in latest and established models = 3.42121 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 3.42121 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.456520Jy sigma=0.006550 ! Fit after self-cal, rms=0.456509Jy sigma=0.006550 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.248769 Jy ! Total flux subtracted in 50 components = 0.248769 Jy ! Clean residual min=-0.040134 max=0.110716 Jy/beam ! Clean residual mean=0.000106 rms=0.012607 Jy/beam ! Combined flux in latest and established models = 3.66998 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 9 components and 3.66998 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.330920Jy sigma=0.004595 ! Fit after self-cal, rms=0.330925Jy sigma=0.004595 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.120256 Jy ! Total flux subtracted in 50 components = 0.120256 Jy ! Clean residual min=-0.037981 max=0.077344 Jy/beam ! Clean residual mean=0.000065 rms=0.010806 Jy/beam ! Combined flux in latest and established models = 3.79024 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 23 components and 3.79024 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.296732Jy sigma=0.003964 ! Fit after self-cal, rms=0.296717Jy sigma=0.003964 ! Inverting map ! Added new window around map position (3.6, 8). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0798993 Jy ! Total flux subtracted in 50 components = 0.0798993 Jy ! Clean residual min=-0.036922 max=0.062174 Jy/beam ! Clean residual mean=0.000029 rms=0.009888 Jy/beam ! Combined flux in latest and established models = 3.87014 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 33 components and 3.87014 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.283044Jy sigma=0.003707 ! Fit after self-cal, rms=0.282816Jy sigma=0.003703 ! Inverting map ! Added new window around map position (-3.6, -8). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0620537 Jy ! Total flux subtracted in 50 components = 0.0620537 Jy ! Clean residual min=-0.034671 max=0.040087 Jy/beam ! Clean residual mean=-0.000001 rms=0.009276 Jy/beam ! Combined flux in latest and established models = 3.93219 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 42 components and 3.93219 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.274812Jy sigma=0.003558 ! Fit after self-cal, rms=0.274735Jy sigma=0.003557 ! 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=2.611 mas, bmaj=7.82 mas, bpa=-7.224 degrees ! Estimated noise=592.114 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 = 0.0481493 Jy ! Component: 100 - total flux cleaned = 0.0666686 Jy ! Total flux subtracted in 100 components = 0.0666686 Jy ! Clean residual min=-0.030962 max=0.034513 Jy/beam ! Clean residual mean=-0.000030 rms=0.007916 Jy/beam ! Combined flux in latest and established models = 3.99886 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 27 model components to the UV plane model. ! The established model now contains 64 components and 3.99886 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.269107Jy sigma=0.003419 ! Fit after self-cal, rms=0.269067Jy sigma=0.003418 ! 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 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.03 GC 1.06 HN 0.94 ! KK 1.05 KP 0.93 LA 0.98 MC 1.00* ! MK 1.03 NL 0.94 NY 1.00* ON 1.00* ! OV 0.96 PT 1.01 SC 0.93 WF 1.04 ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.04 GC 1.00* HN 0.98 ! KK 1.02 KP 0.92 LA 0.99 MC 1.00* ! MK 0.98 NL 0.97 NY 1.00* ON 1.00* ! OV 1.03 PT 1.04 SC 0.97 WF 1.11 ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 1.04 GC 1.00* HN 0.96 ! KK 1.00* KP 0.93 LA 0.99 MC 1.11 ! MK 1.00* NL 0.95 NY 1.00* ON 1.12 ! OV 1.03 PT 1.04 SC 0.93 WF 1.07 ! WZ 1.04 ! ! ! Correcting IF 2. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.01 GC 1.04 HN 0.96 ! KK 1.03 KP 0.97 LA 1.01 MC 1.00* ! MK 1.00 NL 1.02 NY 1.00* ON 1.00* ! OV 0.93 PT 0.95 SC 1.00 WF 1.00 ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.03 GC 1.00* HN 1.01 ! KK 1.00 KP 0.96 LA 1.02 MC 1.00* ! MK 1.02 NL 0.96 NY 1.00* ON 1.00* ! OV 0.98 PT 0.98 SC 1.05 WF 1.11 ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 FD 1.02 GC 1.00* HN 0.97 ! KK 1.00* KP 0.98 LA 1.00 MC 1.02 ! MK 1.00* NL 1.07 NY 1.00* ON 1.09 ! OV 0.98 PT 0.97 SC 1.00 WF 1.05 ! WZ 1.00 ! ! ! Correcting IF 3. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.98 GC 1.05 HN 1.06 ! KK 1.03 KP 1.02 LA 0.95 MC 1.00* ! MK 0.95 NL 1.00 NY 1.00* ON 1.00* ! OV 0.95 PT 1.00 SC 1.05 WF 1.07 ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 1.01 GC 1.00* HN 1.11 ! KK 1.01 KP 1.10 LA 0.98 MC 1.00* ! MK 0.98 NL 0.99 NY 1.00* ON 1.00* ! OV 1.03 PT 1.03 SC 1.12 WF 1.13 ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.01 FD 0.99 GC 1.00* HN 1.07 ! KK 1.00* KP 1.03 LA 0.96 MC 1.00* ! MK 1.00* NL 1.03 NY 1.00* ON 1.15 ! OV 1.02 PT 1.01 SC 1.02 WF 1.08 ! WZ 0.95 ! ! ! Correcting IF 4. ! A total of 15 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.91 GC 1.07 HN 1.05 ! KK 1.06 KP 1.01 LA 0.90 MC 1.00* ! MK 0.92 NL 1.01 NY 1.00* ON 1.00* ! OV 0.82 PT 0.98 SC 1.07 WF 1.12 ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.95 GC 1.00* HN 1.10 ! KK 1.05 KP 1.04 LA 0.93 MC 1.00* ! MK 0.98 NL 0.97 NY 1.00* ON 1.00* ! OV 0.97 PT 1.03 SC 1.13 WF 1.18 ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 0.93 GC 1.00* HN 1.06 ! KK 1.00* KP 1.03 LA 0.90 MC 1.00* ! MK 1.00* NL 1.07 NY 1.00* ON 1.15 ! OV 0.98 PT 1.00 SC 1.05 WF 1.12 ! WZ 0.96 ! ! ! Fit before self-cal, rms=0.269067Jy sigma=0.003418 ! Fit after self-cal, rms=0.133290Jy sigma=0.001543 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.621 mas, bmaj=7.933 mas, bpa=-7.056 degrees ! Estimated noise=592.892 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 = -0.0189212 Jy ! Component: 100 - total flux cleaned = -0.0277288 Jy ! Total flux subtracted in 100 components = -0.0277288 Jy ! Clean residual min=-0.008796 max=0.009695 Jy/beam ! Clean residual mean=0.000035 rms=0.002100 Jy/beam ! Combined flux in latest and established models = 3.97113 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 77 components and 3.97113 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.130646Jy sigma=0.001509 ! Fit after self-cal, rms=0.130604Jy sigma=0.001509 ! Inverting map ! Added new window around map position (-10.8, -33.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00699724 Jy ! Component: 100 - total flux cleaned = 0.00728114 Jy ! Total flux subtracted in 100 components = 0.00728114 Jy ! Clean residual min=-0.008212 max=0.008222 Jy/beam ! Clean residual mean=0.000036 rms=0.001967 Jy/beam ! Combined flux in latest and established models = 3.97841 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 90 components and 3.97841 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.129764Jy sigma=0.001497 ! Fit after self-cal, rms=0.129745Jy sigma=0.001496 ! 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 = 2.47966e-05 Jy ! Component: 100 - total flux cleaned = -0.00069727 Jy ! Total flux subtracted in 100 components = -0.00069727 Jy ! Clean residual min=-0.007505 max=0.008071 Jy/beam ! Clean residual mean=0.000039 rms=0.001907 Jy/beam ! Combined flux in latest and established models = 3.97772 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 99 components and 3.97772 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.129279Jy sigma=0.001491 ! Fit after self-cal, rms=0.119591Jy sigma=0.001368 ! Inverting map and beam ! Estimated beam: bmin=2.624 mas, bmaj=7.937 mas, bpa=-7.074 degrees ! Estimated noise=592.851 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 = -0.0105654 Jy ! Component: 100 - total flux cleaned = -0.0133654 Jy ! Total flux subtracted in 100 components = -0.0133654 Jy ! Clean residual min=-0.006267 max=0.006135 Jy/beam ! Clean residual mean=0.000016 rms=0.001626 Jy/beam ! Combined flux in latest and established models = 3.96435 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 110 components and 3.96435 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.118589Jy sigma=0.001355 ! Fit after self-cal, rms=0.118584Jy sigma=0.001354 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1741-038_S ! Writing UV FITS file: 1741-038_S.uvf ! Writing 110 model components to file: 1741-038_S.mod ! wwins: Wrote 4 windows to 1741-038_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.624 x 7.937 at -7.074 degrees (North through East) ! Clean map min=-0.0059559 max=3.6288 Jy/beam ! Writing clean map to FITS file: 1741-038_S.fits ! Writing difmap environment to: 1741-038_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1741-038_S] device 1741-038_Suv.ps/vps,1,2 ! Attempting to open device: '1741-038_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1741-038_Sim.ps/vps ! Attempting to open device: '1741-038_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=2.624 mas, bmaj=7.937 mas, bpa=-7.074 degrees ! Estimated noise=592.851 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.624 x 7.937 at -7.074 degrees (North through East) ! Clean map min=-0.0059559 max=3.6288 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo5-0.4] quit ! Quitting program ! Log file 1741-038_S.log closed on Tue Feb 5 19:19:06 2008