! Started logfile: 1255-316_S.log on Tue Feb 5 18:18:37 2008 observe 1255-316_S.edt ! Reading UV FITS file: 1255-316_S.edt ! AN table 1: 10 integrations on 136 of 136 possible baselines. ! AN table 2: 35 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.151471 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1255-316 ! ! 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 3708 visibilities. ![@gonzo7-0.4 1255-316_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 129 telescope corrections were flagged in sub-array 1. ! A total of 476 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 126 telescope corrections were flagged in sub-array 1. ! A total of 469 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 126 telescope corrections were flagged in sub-array 1. ! A total of 457 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 129 telescope corrections were flagged in sub-array 1. ! A total of 459 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.321287Jy sigma=0.003817 ! Fit after self-cal, rms=0.317089Jy sigma=0.003798 ! 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=2.374 mas, bmaj=7.546 mas, bpa=-6.793 degrees ! Estimated noise=2108.94 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 = 0.698007 Jy ! Total flux subtracted in 50 components = 0.698007 Jy ! Clean residual min=-0.055818 max=0.219135 Jy/beam ! Clean residual mean=-0.002256 rms=0.022415 Jy/beam ! Combined flux in latest and established models = 0.698007 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 4 components and 0.698007 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.400260Jy sigma=0.005176 ! Fit after self-cal, rms=0.400313Jy sigma=0.005176 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.221713 Jy ! Total flux subtracted in 50 components = 0.221713 Jy ! Clean residual min=-0.030730 max=0.100395 Jy/beam ! Clean residual mean=-0.001466 rms=0.013572 Jy/beam ! Combined flux in latest and established models = 0.919719 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 6 components and 0.919719 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.264128Jy sigma=0.003415 ! Fit after self-cal, rms=0.263696Jy sigma=0.003411 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.105263 Jy ! Total flux subtracted in 50 components = 0.105263 Jy ! Clean residual min=-0.027302 max=0.077717 Jy/beam ! Clean residual mean=-0.001096 rms=0.010588 Jy/beam ! Combined flux in latest and established models = 1.02498 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 1.02498 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.216888Jy sigma=0.002736 ! Fit after self-cal, rms=0.216638Jy sigma=0.002734 ! Inverting map ! Added new window around map position (3.6, 9.2). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0763418 Jy ! Total flux subtracted in 50 components = 0.0763418 Jy ! Clean residual min=-0.023504 max=0.054405 Jy/beam ! Clean residual mean=-0.000841 rms=0.008645 Jy/beam ! Combined flux in latest and established models = 1.10132 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 30 components and 1.10132 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.185662Jy sigma=0.002287 ! Fit after self-cal, rms=0.184153Jy sigma=0.002278 ! 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=2.789 mas, bmaj=9.507 mas, bpa=-9.452 degrees ! Estimated noise=1338.88 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 = 0.0924655 Jy ! Component: 100 - total flux cleaned = 0.147605 Jy ! Total flux subtracted in 100 components = 0.147605 Jy ! Clean residual min=-0.019978 max=0.043127 Jy/beam ! Clean residual mean=-0.000589 rms=0.008185 Jy/beam ! Combined flux in latest and established models = 1.24893 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 45 model components to the UV plane model. ! The established model now contains 69 components and 1.24893 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.144799Jy sigma=0.001636 ! Fit after self-cal, rms=0.143105Jy sigma=0.001620 ! 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 1.00* FD 0.97 GC 1.00* HN 1.09 ! KK 1.00* KP 0.96 LA 0.93 MC 1.00* ! MK 1.00* NL 1.05 NY 1.00* ON 1.00* ! OV 1.00* PT 0.98 SC 0.88 WF 1.09 ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 0.98 GC 1.00* HN 1.09 ! KK 1.04 KP 0.88 LA 0.93 MC 1.00* ! MK 0.96 NL 1.04 NY 1.00* ON 1.00* ! OV 1.01 PT 0.99 SC 0.94 WF 1.04 ! WZ 1.00* ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.95 GC 1.00* HN 1.10 ! KK 1.00* KP 0.97 LA 0.99 MC 1.00* ! MK 1.00* NL 1.15 NY 1.00* ON 1.00* ! OV 1.00* PT 0.90 SC 0.99 WF 1.14 ! WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 FD 0.98 GC 1.00* HN 1.08 ! KK 1.02 KP 0.92 LA 0.97 MC 1.00* ! MK 1.00 NL 1.07 NY 1.00* ON 1.00* ! OV 0.96 PT 0.93 SC 0.99 WF 1.05 ! WZ 1.00* ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.94 GC 1.00* HN 1.19 ! KK 1.00* KP 0.98 LA 0.95 MC 1.00* ! MK 1.00* NL 1.11 NY 1.00* ON 1.00* ! OV 1.00* PT 0.95 SC 1.02 WF 1.18 ! WZ 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.97 GC 1.00* HN 1.21 ! KK 1.05 KP 1.03 LA 0.93 MC 1.00* ! MK 0.95 NL 1.08 NY 1.00* ON 1.00* ! OV 1.03 PT 0.99 SC 1.08 WF 1.03 ! WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.89 GC 1.00* HN 1.23 ! KK 1.00* KP 1.03 LA 0.90 MC 1.00* ! MK 1.00* NL 1.17 NY 1.00* ON 1.00* ! OV 1.00* PT 0.94 SC 1.01 WF 1.11 ! WZ 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.92 GC 1.00* HN 1.17 ! KK 1.07 KP 1.00 LA 0.90 MC 1.00* ! MK 0.95 NL 1.08 NY 1.00* ON 1.00* ! OV 0.97 PT 0.99 SC 1.08 WF 1.06 ! WZ 1.00* ! ! ! Fit before self-cal, rms=0.143105Jy sigma=0.001620 ! Fit after self-cal, rms=0.113955Jy sigma=0.001192 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.839 mas, bmaj=9.502 mas, bpa=-9.537 degrees ! Estimated noise=1322.96 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 (9.2, 13.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0177543 Jy ! Component: 100 - total flux cleaned = 0.0203027 Jy ! Total flux subtracted in 100 components = 0.0203027 Jy ! Clean residual min=-0.007053 max=0.010729 Jy/beam ! Clean residual mean=-0.000102 rms=0.002304 Jy/beam ! Combined flux in latest and established models = 1.26923 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 86 components and 1.26923 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.111066Jy sigma=0.001151 ! Fit after self-cal, rms=0.110605Jy sigma=0.001147 ! 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 = 0.00366265 Jy ! Component: 100 - total flux cleaned = 0.00480018 Jy ! Total flux subtracted in 100 components = 0.00480018 Jy ! Clean residual min=-0.007006 max=0.009951 Jy/beam ! Clean residual mean=-0.000081 rms=0.002103 Jy/beam ! Combined flux in latest and established models = 1.27403 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 104 components and 1.27403 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.109961Jy sigma=0.001139 ! Fit after self-cal, rms=0.107776Jy sigma=0.001106 ! Inverting map and beam ! Estimated beam: bmin=2.836 mas, bmaj=9.474 mas, bpa=-9.55 degrees ! Estimated noise=1323.57 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 = 0.00550118 Jy ! Component: 100 - total flux cleaned = 0.00651781 Jy ! Total flux subtracted in 100 components = 0.00651781 Jy ! Clean residual min=-0.006255 max=0.007775 Jy/beam ! Clean residual mean=-0.000029 rms=0.001858 Jy/beam ! Combined flux in latest and established models = 1.28055 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 116 components and 1.28055 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.107105Jy sigma=0.001099 ! Fit after self-cal, rms=0.106917Jy sigma=0.001097 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1255-316_S ! Writing UV FITS file: 1255-316_S.uvf ! Writing 116 model components to file: 1255-316_S.mod ! wwins: Wrote 3 windows to 1255-316_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.836 x 9.474 at -9.55 degrees (North through East) ! Clean map min=-0.0062675 max=0.85552 Jy/beam ! Writing clean map to FITS file: 1255-316_S.fits ! Writing difmap environment to: 1255-316_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1255-316_S] device 1255-316_Suv.ps/vps,1,2 ! Attempting to open device: '1255-316_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1255-316_Sim.ps/vps ! Attempting to open device: '1255-316_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=2.836 mas, bmaj=9.474 mas, bpa=-9.55 degrees ! Estimated noise=1323.57 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.836 x 9.474 at -9.55 degrees (North through East) ! Clean map min=-0.0062675 max=0.85552 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file 1255-316_S.log closed on Tue Feb 5 18:18:43 2008