! Started logfile: 1727+502_S.log on Fri Aug 22 11:45:09 2008 observe 1727+502_S.edt ! Reading UV FITS file: 1727+502_S.edt ! AN table 1: 112 integrations on 171 of 171 possible baselines. ! AN table 2: 174 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.182636 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1727+502 ! ! 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 35728 visibilities. ![@gonzo7-0.4 1727+502_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 982 telescope corrections were flagged in sub-array 1. ! A total of 2453 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 1037 telescope corrections were flagged in sub-array 1. ! A total of 2453 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 1037 telescope corrections were flagged in sub-array 1. ! A total of 2453 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 982 telescope corrections were flagged in sub-array 1. ! A total of 2455 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.911880Jy sigma=17.428779 ! Fit after self-cal, rms=0.911437Jy sigma=17.423886 ! 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=2.022 mas, bmaj=3.156 mas, bpa=-6.987 degrees ! Estimated noise=0.594031 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 = 0.057667 Jy ! Total flux subtracted in 50 components = 0.057667 Jy ! Clean residual min=-0.006391 max=0.016506 Jy/beam ! Clean residual mean=-0.000050 rms=0.001617 Jy/beam ! Combined flux in latest and established models = 0.057667 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 0.057667 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.117755Jy sigma=1.686199 ! Fit after self-cal, rms=0.117757Jy sigma=1.685868 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0172888 Jy ! Total flux subtracted in 50 components = 0.0172888 Jy ! Clean residual min=-0.005447 max=0.013291 Jy/beam ! Clean residual mean=-0.000044 rms=0.001472 Jy/beam ! Combined flux in latest and established models = 0.0749558 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 9 components and 0.0749558 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.112974Jy sigma=1.581280 ! Fit after self-cal, rms=0.112933Jy sigma=1.580679 ! 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 = 0.0137933 Jy ! Total flux subtracted in 50 components = 0.0137933 Jy ! Clean residual min=-0.005665 max=0.007227 Jy/beam ! Clean residual mean=-0.000039 rms=0.001351 Jy/beam ! Combined flux in latest and established models = 0.0887491 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 16 components and 0.0887491 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.109928Jy sigma=1.514136 ! Fit after self-cal, rms=0.109778Jy sigma=1.511734 ! 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=2.99 mas, bmaj=4.42 mas, bpa=1.698 degrees ! Estimated noise=0.251634 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 = 0.0232434 Jy ! Component: 100 - total flux cleaned = 0.0367264 Jy ! Total flux subtracted in 100 components = 0.0367264 Jy ! Clean residual min=-0.003667 max=0.009261 Jy/beam ! Clean residual mean=-0.000079 rms=0.001375 Jy/beam ! Combined flux in latest and established models = 0.125475 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 32 model components to the UV plane model. ! The established model now contains 44 components and 0.125475 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.104744Jy sigma=1.409900 ! Fit after self-cal, rms=0.104521Jy sigma=1.405410 ! Inverting map ! Added new window around map position (-5.6, 3.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0102145 Jy ! Component: 100 - total flux cleaned = 0.0169642 Jy ! Total flux subtracted in 100 components = 0.0169642 Jy ! Clean residual min=-0.003232 max=0.006008 Jy/beam ! Clean residual mean=-0.000057 rms=0.000999 Jy/beam ! Combined flux in latest and established models = 0.14244 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 36 model components to the UV plane model. ! The established model now contains 75 components and 0.14244 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.103402Jy sigma=1.384031 ! Fit after self-cal, rms=0.103314Jy sigma=1.382023 ! Inverting map print "****************************************" ! **************************************** print "*** Finished Natural Weighting CLEAN ***" ! *** Finished Natural Weighting CLEAN *** print "****************************************" ! **************************************** gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.06 GC 2.49 HH 1.00* ! HN 0.94 KK 1.00* KP 0.89 LA 1.09 ! MA 1.00* MK 1.08 NL 0.95 NY 1.00* ! OV 1.10 PT 1.03 SC 0.86 TS 1.00* ! WF 1.00* WZ 0.83 GG 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 0.89 GC 1.05 HH 1.00* ! HN 1.00* KK 1.00* KP 0.62 LA 0.96 ! MA 1.00* MK 0.83 NL 0.86 NY 1.00* ! OV 0.89 PT 0.90 SC 1.00* TS 1.00* ! WF 1.00* WZ 0.84 GG 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 1.00 GC 2.41 HH 1.00* ! HN 1.01 KK 1.00* KP 1.03 LA 1.06 ! MA 1.00* MK 0.94 NL 1.13 NY 1.00* ! OV 0.98 PT 0.85 SC 1.05 TS 1.00* ! WF 1.00* WZ 0.75 GG 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.80 FD 0.88 GC 0.98 HH 1.00* ! HN 1.00* KK 1.00* KP 0.94 LA 0.99 ! MA 1.00* MK 0.60 NL 0.98 NY 1.00* ! OV 0.99 PT 0.81 SC 1.00* TS 1.00* ! WF 1.00* WZ 0.71 GG 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.98 GC 0.69 HH 1.00* ! HN 1.25 KK 1.00* KP 1.08 LA 0.92 ! MA 1.00* MK 0.92 NL 1.01 NY 1.00* ! OV 1.05 PT 0.94 SC 0.97 TS 1.00* ! WF 1.00* WZ 0.83 GG 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.89 FD 0.80 GC 0.97 HH 1.00* ! HN 1.00* KK 1.00* KP 1.04 LA 0.78 ! MA 1.00* MK 0.83 NL 0.99 NY 1.00* ! OV 1.05 PT 0.82 SC 1.00* TS 1.00* ! WF 1.00* WZ 0.80 GG 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 0.91 GC 2.11 HH 1.00* ! HN 1.20 KK 1.00* KP 1.07 LA 0.78 ! MA 1.00* MK 1.06 NL 1.06 NY 1.00* ! OV 1.01 PT 0.93 SC 1.03 TS 1.00* ! WF 1.00* WZ 0.96 GG 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.92 FD 0.77 GC 0.93 HH 1.00* ! HN 1.00* KK 1.00* KP 0.97 LA 0.69 ! MA 1.00* MK 0.81 NL 0.87 NY 1.00* ! OV 0.93 PT 0.84 SC 1.00* TS 1.00* ! WF 1.00* WZ 0.84 GG 1.00* ! ! ! Fit before self-cal, rms=0.103314Jy sigma=1.382023 ! Fit after self-cal, rms=0.096152Jy sigma=1.305587 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.901 mas, bmaj=4.448 mas, bpa=0.1814 degrees ! Estimated noise=0.234681 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 = -0.00190551 Jy ! Component: 100 - total flux cleaned = -0.00212017 Jy ! Total flux subtracted in 100 components = -0.00212017 Jy ! Clean residual min=-0.002129 max=0.002737 Jy/beam ! Clean residual mean=-0.000003 rms=0.000472 Jy/beam ! Combined flux in latest and established models = 0.140319 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 86 components and 0.140319 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.095915Jy sigma=1.306100 ! Fit after self-cal, rms=0.095914Jy sigma=1.305308 ! 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 (-20.4, 5.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00118897 Jy ! Component: 100 - total flux cleaned = 0.001585 Jy ! Total flux subtracted in 100 components = 0.001585 Jy ! Clean residual min=-0.001854 max=0.001901 Jy/beam ! Clean residual mean=-0.000002 rms=0.000437 Jy/beam ! Combined flux in latest and established models = 0.141904 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 95 components and 0.141904 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.095775Jy sigma=1.304952 ! Fit after self-cal, rms=0.087523Jy sigma=1.242578 ! Inverting map and beam ! Estimated beam: bmin=2.903 mas, bmaj=4.406 mas, bpa=0.1602 degrees ! Estimated noise=0.230533 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 = -0.000909147 Jy ! Component: 100 - total flux cleaned = -0.000407945 Jy ! Total flux subtracted in 100 components = -0.000407945 Jy ! Clean residual min=-0.001433 max=0.001762 Jy/beam ! Clean residual mean=-0.000010 rms=0.000357 Jy/beam ! Combined flux in latest and established models = 0.141496 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 106 components and 0.141496 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.087421Jy sigma=1.243600 ! Fit after self-cal, rms=0.087440Jy sigma=1.243222 ! Inverting map ! Added new window around map position (-12, 9.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00150882 Jy ! Component: 100 - total flux cleaned = 0.00197056 Jy ! Total flux subtracted in 100 components = 0.00197056 Jy ! Clean residual min=-0.001325 max=0.001381 Jy/beam ! Clean residual mean=-0.000007 rms=0.000332 Jy/beam ! Combined flux in latest and established models = 0.143467 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 117 components and 0.143467 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.087397Jy sigma=1.242790 ! Fit after self-cal, rms=0.087405Jy sigma=1.242725 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1727+502_S ! Writing UV FITS file: 1727+502_S.uvf ! Writing 117 model components to file: 1727+502_S.mod ! wwins: Wrote 5 windows to 1727+502_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.903 x 4.406 at 0.1602 degrees (North through East) ! Clean map min=-0.0013822 max=0.078324 Jy/beam ! Writing clean map to FITS file: 1727+502_S.fits ! Writing difmap environment to: 1727+502_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1727+502_S] device 1727+502_Suv.ps/vps,1,2 ! Attempting to open device: '1727+502_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1727+502_Sim.ps/vps ! Attempting to open device: '1727+502_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=2.903 mas, bmaj=4.406 mas, bpa=0.1602 degrees ! Estimated noise=0.230533 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.903 x 4.406 at 0.1602 degrees (North through East) ! Clean map min=-0.0013822 max=0.078324 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file 1727+502_S.log closed on Fri Aug 22 11:45:23 2008