! Started logfile: J1625-2527_X_2000_05_22_pus_uvs.log on Mon Nov 12 16:30:24 2007 obs J1625-2527_X_2000_05_22_pus_uva.fits ! Reading UV FITS file: J1625-2527_X_2000_05_22_pus_uva.fits ! AN table 1: 66 integrations on 190 of 190 possible baselines. ! AN table 2: 9 integrations on 190 of 190 possible baselines. ! AN table 3: 42 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.0981556 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1625-2527 ! ! 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 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1884 lines of history. ! ! Reading 8728 visibilities. select I ! Polarization I is unavailable. ! 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 print "field_size =",field_size ! field_size = 256 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J1625-2527_X_2000_05_22_pus] integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 256x256 pixels with 0.200x0.200 milli-arcsec cellsize. 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 834 telescope corrections were flagged in sub-array 1. ! A total of 180 telescope corrections were flagged in sub-array 2. ! A total of 805 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 834 telescope corrections were flagged in sub-array 1. ! A total of 180 telescope corrections were flagged in sub-array 2. ! A total of 805 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 834 telescope corrections were flagged in sub-array 1. ! A total of 180 telescope corrections were flagged in sub-array 2. ! A total of 805 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 834 telescope corrections were flagged in sub-array 1. ! A total of 180 telescope corrections were flagged in sub-array 2. ! A total of 805 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.843996Jy sigma=0.008439 ! Fit after self-cal, rms=0.421770Jy sigma=0.003937 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 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. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.658% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! Estimated beam: bmin=0.7158 mas, bmaj=1.297 mas, bpa=-5.42 degrees ! Estimated noise=1230.27 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.457296 Jy ! Component: 100 - total flux cleaned = 0.569966 Jy ! Total flux subtracted in 100 components = 0.569966 Jy ! Clean residual min=-0.019226 max=0.051622 Jy/beam ! Clean residual mean=0.000799 rms=0.008891 Jy/beam ! Combined flux in latest and established models = 0.569966 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 0.569966 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.183103Jy sigma=0.001836 ! Fit after self-cal, rms=0.183097Jy sigma=0.001836 ! Inverting map ! Your choice of large map pixels excluded 0.658% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 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 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.658% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! Estimated beam: bmin=0.9053 mas, bmaj=2.126 mas, bpa=0.8859 degrees ! Estimated noise=770.192 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0873971 Jy ! Component: 100 - total flux cleaned = 0.128264 Jy ! Component: 150 - total flux cleaned = 0.151076 Jy ! Component: 200 - total flux cleaned = 0.165232 Jy ! Total flux subtracted in 200 components = 0.165232 Jy ! Clean residual min=-0.006786 max=0.009234 Jy/beam ! Clean residual mean=0.000139 rms=0.002677 Jy/beam ! Combined flux in latest and established models = 0.735198 Jy ! Performing phase self-cal ! Adding 59 model components to the UV plane model. ! The established model now contains 64 components and 0.735198 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.149218Jy sigma=0.001282 ! Fit after self-cal, rms=0.149184Jy sigma=0.001281 ! Inverting map ! Your choice of large map pixels excluded 0.658% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.97 GC 1.00* GG 1.00* ! HH 1.00* HN 1.09 KK 1.00* KP 1.00 ! MA 1.00* MC 1.00* MK 1.02 NL 1.00 ! NY 1.00* OV 0.97 PT 0.98 SC 1.02 ! TS 1.00* WF 1.03 WZ 1.00* LA 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! MA 0.00* MC 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* LA 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 0.97 HN 1.00* KK 1.00* KP 1.00* ! MA 1.12 MC 1.04 MK 1.00* NL 1.00* ! NY 1.00* OV 1.00* PT 1.00* SC 1.00* ! TS 1.00* WF 1.00* WZ 0.89 LA 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.99 GC 1.00* GG 1.00* ! HH 1.00* HN 1.07 KK 1.00* KP 0.95 ! MA 1.00* MC 1.00* MK 1.00 NL 1.03 ! NY 1.00* OV 1.02 PT 0.96 SC 1.03 ! TS 1.00* WF 1.01 WZ 1.00* LA 0.96 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! MA 0.00* MC 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* LA 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 1.02 HN 1.00* KK 1.00* KP 1.00* ! MA 1.29 MC 1.00 MK 1.00* NL 1.00* ! NY 1.00* OV 1.00* PT 1.00* SC 1.00* ! TS 1.00* WF 1.00* WZ 0.97 LA 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.99 GC 1.00* GG 1.00* ! HH 1.00* HN 1.06 KK 1.00* KP 1.00 ! MA 1.00* MC 1.00* MK 1.02 NL 1.01 ! NY 1.00* OV 0.98 PT 0.96 SC 1.02 ! TS 1.00* WF 1.01 WZ 1.00* LA 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! MA 0.00* MC 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* LA 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 0.87 HN 1.00* KK 1.00* KP 1.00* ! MA 1.19 MC 0.99 MK 1.00* NL 1.00* ! NY 1.00* OV 1.00* PT 1.00* SC 1.00* ! TS 1.00* WF 1.00* WZ 1.01 LA 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.97 GC 1.00* GG 1.00* ! HH 1.00* HN 1.07 KK 1.00* KP 1.00 ! MA 1.00* MC 1.00* MK 1.03 NL 1.00 ! NY 1.00* OV 0.99 PT 0.97 SC 1.01 ! TS 1.00* WF 0.99 WZ 1.00* LA 0.98 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! MA 0.00* MC 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* LA 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.00* GC 1.00* GG 1.00* ! HH 0.91 HN 1.00* KK 1.00* KP 1.00* ! MA 1.49 MC 0.98 MK 1.00* NL 1.00* ! NY 1.00* OV 1.00* PT 1.00* SC 1.00* ! TS 1.00* WF 1.00* WZ 1.00 LA 1.00* ! ! ! Fit before self-cal, rms=0.149184Jy sigma=0.001281 ! Fit after self-cal, rms=0.150061Jy sigma=0.001248 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.659% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! Estimated beam: bmin=0.9144 mas, bmaj=2.155 mas, bpa=0.9417 degrees ! Estimated noise=767.002 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-2.6, 3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0072595 Jy ! Component: 100 - total flux cleaned = 0.00879854 Jy ! Component: 150 - total flux cleaned = 0.00880669 Jy ! Component: 200 - total flux cleaned = 0.00880817 Jy ! Total flux subtracted in 200 components = 0.00880817 Jy ! Clean residual min=-0.003314 max=0.003436 Jy/beam ! Clean residual mean=-0.000188 rms=0.001067 Jy/beam ! Combined flux in latest and established models = 0.744006 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 89 components and 0.744006 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.149689Jy sigma=0.001243 ! Fit after self-cal, rms=0.149775Jy sigma=0.001243 ! Inverting map ! Your choice of large map pixels excluded 0.659% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec selfcal true, true, soltime1 ! Performing amp+phase self-cal over 120 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.149775Jy sigma=0.001243 ! Fit after self-cal, rms=0.149779Jy sigma=0.001242 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.659% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! Estimated beam: bmin=0.9147 mas, bmaj=2.154 mas, bpa=0.9248 degrees ! Estimated noise=766.428 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0016184 Jy ! Component: 100 - total flux cleaned = 0.00161285 Jy ! Component: 150 - total flux cleaned = 0.00168141 Jy ! Component: 200 - total flux cleaned = 0.0017444 Jy ! Total flux subtracted in 200 components = 0.0017444 Jy ! Clean residual min=-0.002999 max=0.003170 Jy/beam ! Clean residual mean=-0.000116 rms=0.000922 Jy/beam ! Combined flux in latest and established models = 0.745751 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 99 components and 0.745751 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.149670Jy sigma=0.001241 ! Fit after self-cal, rms=0.149656Jy sigma=0.001241 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.659% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000360601 Jy ! Component: 100 - total flux cleaned = 0.000412933 Jy ! Component: 150 - total flux cleaned = 0.000512311 Jy ! Component: 200 - total flux cleaned = 0.000600612 Jy ! Total flux subtracted in 200 components = 0.000600612 Jy ! Clean residual min=-0.002917 max=0.003150 Jy/beam ! Clean residual mean=-0.000127 rms=0.000882 Jy/beam ! Combined flux in latest and established models = 0.746351 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 107 components and 0.746351 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.149605Jy sigma=0.001241 ! Fit after self-cal, rms=0.149602Jy sigma=0.001241 ! Inverting map ! Your choice of large map pixels excluded 0.659% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.149602Jy sigma=0.001241 ! Fit after self-cal, rms=0.149691Jy sigma=0.001241 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.659% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! Estimated beam: bmin=0.9152 mas, bmaj=2.154 mas, bpa=0.9227 degrees ! Estimated noise=765.939 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -1.65761e-05 Jy ! Component: 100 - total flux cleaned = -1.83166e-05 Jy ! Component: 150 - total flux cleaned = 2.69511e-05 Jy ! Component: 200 - total flux cleaned = 0.00011009 Jy ! Total flux subtracted in 200 components = 0.00011009 Jy ! Clean residual min=-0.002828 max=0.003147 Jy/beam ! Clean residual mean=-0.000079 rms=0.000825 Jy/beam ! Combined flux in latest and established models = 0.746461 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 113 components and 0.746461 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.149649Jy sigma=0.001241 ! Fit after self-cal, rms=0.149646Jy sigma=0.001241 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.659% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000203174 Jy ! Component: 100 - total flux cleaned = 0.00028143 Jy ! Component: 150 - total flux cleaned = 0.000350593 Jy ! Component: 200 - total flux cleaned = 0.000416136 Jy ! Total flux subtracted in 200 components = 0.000416136 Jy ! Clean residual min=-0.002781 max=0.003085 Jy/beam ! Clean residual mean=-0.000086 rms=0.000802 Jy/beam ! Combined flux in latest and established models = 0.746878 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 118 components and 0.746878 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.149622Jy sigma=0.001240 ! Fit after self-cal, rms=0.149621Jy sigma=0.001240 ! Inverting map ! Your choice of large map pixels excluded 0.659% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.149621Jy sigma=0.001240 ! Fit after self-cal, rms=0.149700Jy sigma=0.001240 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.659% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! Estimated beam: bmin=2.295 mas, bmaj=6.038 mas, bpa=2.871 degrees ! Estimated noise=885.241 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000342671 Jy ! Component: 100 - total flux cleaned = 0.000343721 Jy ! Component: 150 - total flux cleaned = 0.000318284 Jy ! Component: 200 - total flux cleaned = 0.000268797 Jy ! Total flux subtracted in 200 components = 0.000268797 Jy ! Clean residual min=-0.002129 max=0.002244 Jy/beam ! Clean residual mean=-0.000133 rms=0.000770 Jy/beam ! Combined flux in latest and established models = 0.747146 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 130 components and 0.747146 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.149691Jy sigma=0.001240 ! Fit after self-cal, rms=0.149688Jy sigma=0.001240 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.659% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000118005 Jy ! Component: 100 - total flux cleaned = 0.000120972 Jy ! Component: 150 - total flux cleaned = 9.94697e-05 Jy ! Component: 200 - total flux cleaned = 9.94219e-05 Jy ! Total flux subtracted in 200 components = 9.94219e-05 Jy ! Clean residual min=-0.002229 max=0.002107 Jy/beam ! Clean residual mean=-0.000143 rms=0.000746 Jy/beam ! Combined flux in latest and established models = 0.747246 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 134 components and 0.747246 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.149685Jy sigma=0.001240 ! Fit after self-cal, rms=0.149681Jy sigma=0.001240 ! Inverting map ! Your choice of large map pixels excluded 0.659% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Your choice of large map pixels excluded 0.659% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! Estimated beam: bmin=0.9156 mas, bmaj=2.154 mas, bpa=0.9201 degrees ! Estimated noise=765.589 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9156 x 2.154 at 0.9201 degrees (North through East) ! Clean map min=-0.0045094 max=0.59889 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal 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 new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.149681Jy sigma=0.001240 ! Fit after self-cal, rms=0.142152Jy sigma=0.001135 ! Inverting map and beam ! Your choice of large map pixels excluded 0.659% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! Estimated beam: bmin=0.9157 mas, bmaj=2.152 mas, bpa=0.9465 degrees ! Estimated noise=765.281 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000118543 Jy ! Component: 100 - total flux cleaned = -0.00011845 Jy ! Component: 150 - total flux cleaned = -0.000151244 Jy ! Component: 200 - total flux cleaned = -0.000123669 Jy ! Total flux subtracted in 200 components = -0.000123669 Jy ! Clean residual min=-0.002652 max=0.002883 Jy/beam ! Clean residual mean=-0.000085 rms=0.000735 Jy/beam ! Combined flux in latest and established models = 0.747122 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 145 components and 0.747122 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.142125Jy sigma=0.001135 ! Fit after self-cal, rms=0.142127Jy sigma=0.001135 ! Inverting map ! Your choice of large map pixels excluded 0.659% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000115502 Jy ! Component: 100 - total flux cleaned = 0.000142927 Jy ! Component: 150 - total flux cleaned = 0.000168053 Jy ! Component: 200 - total flux cleaned = 0.000192136 Jy ! Total flux subtracted in 200 components = 0.000192136 Jy ! Clean residual min=-0.002619 max=0.002835 Jy/beam ! Clean residual mean=-0.000088 rms=0.000724 Jy/beam ! Combined flux in latest and established models = 0.747314 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 151 components and 0.747314 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.142112Jy sigma=0.001135 ! Fit after self-cal, rms=0.142113Jy sigma=0.001135 ! Inverting map ! Your choice of large map pixels excluded 0.659% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.142113Jy sigma=0.001135 ! Fit after self-cal, rms=0.142125Jy sigma=0.001135 print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 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. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.659% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! Estimated beam: bmin=0.7233 mas, bmaj=1.279 mas, bpa=-5.233 degrees ! Estimated noise=1243.38 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.456785 Jy ! Component: 100 - total flux cleaned = 0.567989 Jy ! Component: 150 - total flux cleaned = 0.622869 Jy ! Component: 200 - total flux cleaned = 0.654774 Jy ! Total flux subtracted in 200 components = 0.654774 Jy ! Clean residual min=-0.008764 max=0.016516 Jy/beam ! Clean residual mean=0.000490 rms=0.003719 Jy/beam ! Combined flux in latest and established models = 0.654774 Jy uvw 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. flux_cutoff = imstat(rms) * dynam ! Adding 29 model components to the UV plane model. ! The established model now contains 29 components and 0.654774 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.659% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! Estimated beam: bmin=0.9156 mas, bmaj=2.151 mas, bpa=0.9484 degrees ! Estimated noise=764.882 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0329198 Jy ! Component: 100 - total flux cleaned = 0.0510603 Jy ! Component: 150 - total flux cleaned = 0.062828 Jy ! Component: 200 - total flux cleaned = 0.0711316 Jy ! Total flux subtracted in 200 components = 0.0711316 Jy ! Clean residual min=-0.003610 max=0.005218 Jy/beam ! Clean residual mean=0.000203 rms=0.001590 Jy/beam ! Combined flux in latest and established models = 0.725905 Jy ! Adding 70 model components to the UV plane model. ! The established model now contains 91 components and 0.725905 Jy ! Inverting map ! Your choice of large map pixels excluded 0.659% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.659% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! Estimated beam: bmin=2.295 mas, bmaj=6.038 mas, bpa=2.875 degrees ! Estimated noise=884.61 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00901478 Jy ! Component: 100 - total flux cleaned = 0.0142466 Jy ! Component: 150 - total flux cleaned = 0.0174921 Jy ! Component: 200 - total flux cleaned = 0.0186658 Jy ! Total flux subtracted in 200 components = 0.0186658 Jy ! Clean residual min=-0.002606 max=0.002698 Jy/beam ! Clean residual mean=-0.000082 rms=0.000929 Jy/beam ! Combined flux in latest and established models = 0.744571 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000555638 Jy ! Component: 100 - total flux cleaned = 0.0009533 Jy ! Component: 150 - total flux cleaned = 0.00132726 Jy ! Component: 200 - total flux cleaned = 0.00160031 Jy ! Total flux subtracted in 200 components = 0.00160031 Jy ! Clean residual min=-0.001993 max=0.002390 Jy/beam ! Clean residual mean=-0.000110 rms=0.000769 Jy/beam ! Combined flux in latest and established models = 0.746172 Jy ! Adding 62 model components to the UV plane model. ! The established model now contains 145 components and 0.746172 Jy ! Inverting map ! Your choice of large map pixels excluded 0.659% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.659% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! Estimated beam: bmin=0.9156 mas, bmaj=2.151 mas, bpa=0.9484 degrees ! Estimated noise=764.882 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000237838 Jy ! Component: 100 - total flux cleaned = -0.000347237 Jy ! Component: 150 - total flux cleaned = -0.000254901 Jy ! Component: 200 - total flux cleaned = -0.000254561 Jy ! Total flux subtracted in 200 components = -0.000254561 Jy ! Clean residual min=-0.002734 max=0.002820 Jy/beam ! Clean residual mean=-0.000052 rms=0.000764 Jy/beam ! Combined flux in latest and established models = 0.745917 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 161 components and 0.745917 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.142181Jy sigma=0.001136 ! Fit after self-cal, rms=0.142184Jy sigma=0.001136 wmodel J1625-2527_X_2000_05_22_pus_map.mod ! Writing 161 model components to file: J1625-2527_X_2000_05_22_pus_map.mod wobs J1625-2527_X_2000_05_22_pus_uvs.fits ! Writing UV FITS file: J1625-2527_X_2000_05_22_pus_uvs.fits wwins J1625-2527_X_2000_05_22_pus_map.win ! wwins: Wrote 3 windows to J1625-2527_X_2000_05_22_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 0.659% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000581281 Jy ! Component: 100 - total flux cleaned = 0.000853038 Jy ! Component: 150 - total flux cleaned = 0.00093788 Jy ! Component: 200 - total flux cleaned = 0.00105701 Jy ! Component: 250 - total flux cleaned = 0.00105657 Jy ! Component: 300 - total flux cleaned = 0.000839435 Jy ! Component: 350 - total flux cleaned = 0.000700651 Jy ! Component: 400 - total flux cleaned = 0.000599542 Jy ! Component: 450 - total flux cleaned = 0.000405837 Jy ! Component: 500 - total flux cleaned = 0.000218565 Jy ! Component: 550 - total flux cleaned = 3.73976e-05 Jy ! Component: 600 - total flux cleaned = -0.000168106 Jy ! Component: 650 - total flux cleaned = -0.000368187 Jy ! Component: 700 - total flux cleaned = -0.000563068 Jy ! Component: 750 - total flux cleaned = -0.000726246 Jy ! Component: 800 - total flux cleaned = -0.000886311 Jy ! Component: 850 - total flux cleaned = -0.000939016 Jy ! Component: 900 - total flux cleaned = -0.00104159 Jy ! Component: 950 - total flux cleaned = -0.00119215 Jy ! Component: 1000 - total flux cleaned = -0.00121636 Jy ! Total flux subtracted in 1024 components = -0.00121628 Jy ! Clean residual min=-0.001210 max=0.001336 Jy/beam ! Clean residual mean=-0.000055 rms=0.000476 Jy/beam ! Combined flux in latest and established models = 0.744701 Jy keep ! Adding 52 model components to the UV plane model. ! The established model now contains 213 components and 0.744701 Jy ![Exited script file: muppet] wmap "J1625-2527_X_2000_05_22_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.659% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9156 x 2.151 at 0.9484 degrees (North through East) ! Clean map min=-0.0034622 max=0.60026 Jy/beam ! Writing clean map to FITS file: J1625-2527_X_2000_05_22_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.60026 invert ! Inverting map ! Your choice of large map pixels excluded 0.659% of the data. ! The x-axis pixel size should ideally be below 0.1967 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000475486 device "J1625-2527_X_2000_05_22_pus\_map.eps/VPS" ! Attempting to open device: 'J1625-2527_X_2000_05_22_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.23764 0.23764 0.47528 0.950559 1.90112 3.80224 7.60447 15.2089 30.4179 60.8358 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0014 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.6 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9156 x 2.151 at 0.9484 degrees (North through East) ! Clean map min=-0.0034622 max=0.60026 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1625-2527_X_2000_05_22_pus\_map.gif/vgif" ! Attempting to open device: 'J1625-2527_X_2000_05_22_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1625-2527_X_2000_05_22_pus_uvs.log closed on Mon Nov 12 16:30:29 2007