! Started logfile: J0453-2807_X_2000_05_22_pus_uvs.log on Mon Nov 12 16:17:52 2007 obs J0453-2807_X_2000_05_22_pus_uva.fits ! Reading UV FITS file: J0453-2807_X_2000_05_22_pus_uva.fits ! AN table 1: 10 integrations on 190 of 190 possible baselines. ! AN table 2: 56 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.111483 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0453-2807 ! ! 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 5592 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 J0453-2807_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 200 telescope corrections were flagged in sub-array 1. ! A total of 729 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 200 telescope corrections were flagged in sub-array 1. ! A total of 729 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 200 telescope corrections were flagged in sub-array 1. ! A total of 729 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 200 telescope corrections were flagged in sub-array 1. ! A total of 729 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.546334Jy sigma=0.005470 ! Fit after self-cal, rms=0.355766Jy sigma=0.003751 ! 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 1.66% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.676 mas, bmaj=2.041 mas, bpa=-3.402 degrees ! Estimated noise=1835.02 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 = 0.896915 Jy ! Component: 100 - total flux cleaned = 1.10017 Jy ! Total flux subtracted in 100 components = 1.10017 Jy ! Clean residual min=-0.055106 max=0.146637 Jy/beam ! Clean residual mean=0.002841 rms=0.022243 Jy/beam ! Combined flux in latest and established models = 1.10017 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 1.10017 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.322231Jy sigma=0.003340 ! Fit after self-cal, rms=0.322448Jy sigma=0.003338 ! Inverting map ! Your choice of large map pixels excluded 1.66% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Added new window around map position (1.2, 7). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.131498 Jy ! Component: 100 - total flux cleaned = 0.211392 Jy ! Total flux subtracted in 100 components = 0.211392 Jy ! Clean residual min=-0.039611 max=0.060138 Jy/beam ! Clean residual mean=0.001445 rms=0.013975 Jy/beam ! Combined flux in latest and established models = 1.31156 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 25 components and 1.31156 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.248744Jy sigma=0.002427 ! Fit after self-cal, rms=0.245502Jy sigma=0.002404 ! Inverting map ! Your choice of large map pixels excluded 1.66% of the data. ! The x-axis pixel size should ideally be below 0.1902 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 1.66% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.8858 mas, bmaj=2.683 mas, bpa=-2.203 degrees ! Estimated noise=998.2 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) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0966904 Jy ! Component: 100 - total flux cleaned = 0.158054 Jy ! Component: 150 - total flux cleaned = 0.20269 Jy ! Component: 200 - total flux cleaned = 0.236094 Jy ! Total flux subtracted in 200 components = 0.236094 Jy ! Clean residual min=-0.024182 max=0.030805 Jy/beam ! Clean residual mean=-0.000742 rms=0.009327 Jy/beam ! Combined flux in latest and established models = 1.54766 Jy ! Performing phase self-cal ! Adding 44 model components to the UV plane model. ! The established model now contains 63 components and 1.54766 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.205842Jy sigma=0.001829 ! Fit after self-cal, rms=0.203356Jy sigma=0.001803 ! Inverting map ! Your choice of large map pixels excluded 1.66% of the data. ! The x-axis pixel size should ideally be below 0.1902 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 0.00* 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 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.97 GC 1.00* GG 1.00* ! HH 1.00* HN 1.13 KK 0.98 KP 0.96 ! MA 1.00* MC 1.00* MK 0.96 NL 0.99 ! NY 1.00* OV 0.98 PT 1.01 SC 1.04 ! TS 1.00* WF 1.03 WZ 1.00* LA 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! 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 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 1.01 GC 1.00* GG 1.00* ! HH 1.00* HN 1.13 KK 0.97 KP 0.92 ! MA 1.00* MC 1.00* MK 0.96 NL 1.00 ! NY 1.00* OV 1.02 PT 0.98 SC 1.02 ! TS 1.00* WF 1.01 WZ 1.00* LA 0.95 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! 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 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 0.98 GC 1.00* GG 1.00* ! HH 1.00* HN 1.14 KK 0.95 KP 0.95 ! MA 1.00* MC 1.00* MK 0.98 NL 0.98 ! NY 1.00* OV 0.98 PT 1.01 SC 1.01 ! TS 1.00* WF 1.04 WZ 1.00* LA 1.00 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! 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 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.97 GC 1.00* GG 1.00* ! HH 1.00* HN 1.14 KK 0.98 KP 0.95 ! MA 1.00* MC 1.00* MK 1.00 NL 0.98 ! NY 1.00* OV 0.97 PT 1.01 SC 0.99 ! TS 1.00* WF 1.00 WZ 1.00* LA 0.98 ! ! ! Fit before self-cal, rms=0.203356Jy sigma=0.001803 ! Fit after self-cal, rms=0.193422Jy sigma=0.001694 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.45% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.8916 mas, bmaj=2.705 mas, bpa=-2.35 degrees ! Estimated noise=982.967 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) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0255243 Jy ! Component: 100 - total flux cleaned = 0.037945 Jy ! Component: 150 - total flux cleaned = 0.0447548 Jy ! Component: 200 - total flux cleaned = 0.0463925 Jy ! Total flux subtracted in 200 components = 0.0463925 Jy ! Clean residual min=-0.021577 max=0.012880 Jy/beam ! Clean residual mean=-0.005810 rms=0.005538 Jy/beam ! Combined flux in latest and established models = 1.59405 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 70 components and 1.59405 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.191024Jy sigma=0.001649 ! Fit after self-cal, rms=0.190697Jy sigma=0.001646 ! Inverting map ! Your choice of large map pixels excluded 1.45% of the data. ! The x-axis pixel size should ideally be below 0.1902 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=0.190697Jy sigma=0.001646 ! Fit after self-cal, rms=0.182995Jy sigma=0.001499 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.45% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.8916 mas, bmaj=2.699 mas, bpa=-2.394 degrees ! Estimated noise=986.246 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00288212 Jy ! Component: 100 - total flux cleaned = 0.00371908 Jy ! Component: 150 - total flux cleaned = 0.00421553 Jy ! Component: 200 - total flux cleaned = 0.00444259 Jy ! Total flux subtracted in 200 components = 0.00444259 Jy ! Clean residual min=-0.009222 max=0.008177 Jy/beam ! Clean residual mean=-0.000844 rms=0.002891 Jy/beam ! Combined flux in latest and established models = 1.59849 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 78 components and 1.59849 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.182179Jy sigma=0.001491 ! Fit after self-cal, rms=0.182179Jy sigma=0.001491 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.45% of the data. ! The x-axis pixel size should ideally be below 0.1902 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 = 0.000528696 Jy ! Component: 100 - total flux cleaned = 0.000931774 Jy ! Component: 150 - total flux cleaned = 0.00129905 Jy ! Component: 200 - total flux cleaned = 0.00164167 Jy ! Total flux subtracted in 200 components = 0.00164167 Jy ! Clean residual min=-0.008999 max=0.007627 Jy/beam ! Clean residual mean=-0.000948 rms=0.002693 Jy/beam ! Combined flux in latest and established models = 1.60013 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 79 components and 1.60013 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.181771Jy sigma=0.001486 ! Fit after self-cal, rms=0.181747Jy sigma=0.001486 ! Inverting map ! Your choice of large map pixels excluded 1.45% of the data. ! The x-axis pixel size should ideally be below 0.1902 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=0.181747Jy sigma=0.001486 ! Fit after self-cal, rms=0.181910Jy sigma=0.001485 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.45% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.89 mas, bmaj=2.696 mas, bpa=-2.466 degrees ! Estimated noise=986.995 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0019016 Jy ! Component: 100 - total flux cleaned = 0.0026112 Jy ! Component: 150 - total flux cleaned = 0.00293157 Jy ! Component: 200 - total flux cleaned = 0.00338005 Jy ! Total flux subtracted in 200 components = 0.00338005 Jy ! Clean residual min=-0.008301 max=0.007358 Jy/beam ! Clean residual mean=-0.000604 rms=0.002475 Jy/beam ! Combined flux in latest and established models = 1.60351 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 83 components and 1.60351 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.181582Jy sigma=0.001482 ! Fit after self-cal, rms=0.181577Jy sigma=0.001482 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.45% of the data. ! The x-axis pixel size should ideally be below 0.1902 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 = -0.000234854 Jy ! Component: 100 - total flux cleaned = 3.72162e-05 Jy ! Component: 150 - total flux cleaned = 0.000168342 Jy ! Component: 200 - total flux cleaned = 0.000288366 Jy ! Total flux subtracted in 200 components = 0.000288366 Jy ! Clean residual min=-0.008422 max=0.006959 Jy/beam ! Clean residual mean=-0.000622 rms=0.002370 Jy/beam ! Combined flux in latest and established models = 1.6038 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 84 components and 1.6038 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.181392Jy sigma=0.001480 ! Fit after self-cal, rms=0.181380Jy sigma=0.001479 ! Inverting map ! Your choice of large map pixels excluded 1.45% of the data. ! The x-axis pixel size should ideally be below 0.1902 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=0.181380Jy sigma=0.001479 ! Fit after self-cal, rms=0.181482Jy sigma=0.001479 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.45% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=2.241 mas, bmaj=5.689 mas, bpa=17.2 degrees ! Estimated noise=1159.1 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00128677 Jy ! Component: 100 - total flux cleaned = 0.00233613 Jy ! Component: 150 - total flux cleaned = 0.00315602 Jy ! Component: 200 - total flux cleaned = 0.00365734 Jy ! Total flux subtracted in 200 components = 0.00365734 Jy ! Clean residual min=-0.006686 max=0.004492 Jy/beam ! Clean residual mean=-0.000968 rms=0.002157 Jy/beam ! Combined flux in latest and established models = 1.60746 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 86 components and 1.60746 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.181461Jy sigma=0.001477 ! Fit after self-cal, rms=0.181384Jy sigma=0.001477 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.45% of the data. ! The x-axis pixel size should ideally be below 0.1902 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 = -0.000714125 Jy ! Component: 100 - total flux cleaned = -9.66601e-05 Jy ! Component: 150 - total flux cleaned = 0.000209549 Jy ! Component: 200 - total flux cleaned = 0.000261023 Jy ! Total flux subtracted in 200 components = 0.000261023 Jy ! Clean residual min=-0.006464 max=0.004427 Jy/beam ! Clean residual mean=-0.000997 rms=0.002075 Jy/beam ! Combined flux in latest and established models = 1.60772 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 89 components and 1.60772 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.181430Jy sigma=0.001476 ! Fit after self-cal, rms=0.181402Jy sigma=0.001476 ! Inverting map ! Your choice of large map pixels excluded 1.45% of the data. ! The x-axis pixel size should ideally be below 0.1902 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 1.45% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.8888 mas, bmaj=2.694 mas, bpa=-2.524 degrees ! Estimated noise=987.551 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8888 x 2.694 at -2.524 degrees (North through East) ! Clean map min=-0.007534 max=1.1462 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=0.181402Jy sigma=0.001476 ! Fit after self-cal, rms=0.167751Jy sigma=0.001308 ! Inverting map and beam ! Your choice of large map pixels excluded 1.45% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.8875 mas, bmaj=2.69 mas, bpa=-2.569 degrees ! Estimated noise=989.199 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00133493 Jy ! Component: 100 - total flux cleaned = 0.00134071 Jy ! Component: 150 - total flux cleaned = 0.00145726 Jy ! Component: 200 - total flux cleaned = 0.00146151 Jy ! Total flux subtracted in 200 components = 0.00146151 Jy ! Clean residual min=-0.007835 max=0.006129 Jy/beam ! Clean residual mean=-0.000185 rms=0.001873 Jy/beam ! Combined flux in latest and established models = 1.60918 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 92 components and 1.60918 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.167519Jy sigma=0.001306 ! Fit after self-cal, rms=0.167530Jy sigma=0.001306 ! Inverting map ! Your choice of large map pixels excluded 1.45% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00010229 Jy ! Component: 100 - total flux cleaned = -9.95808e-05 Jy ! Component: 150 - total flux cleaned = -0.000190254 Jy ! Component: 200 - total flux cleaned = -9.82288e-05 Jy ! Total flux subtracted in 200 components = -9.82288e-05 Jy ! Clean residual min=-0.007671 max=0.005846 Jy/beam ! Clean residual mean=-0.000180 rms=0.001821 Jy/beam ! Combined flux in latest and established models = 1.60908 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 96 components and 1.60908 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.167415Jy sigma=0.001305 ! Fit after self-cal, rms=0.167414Jy sigma=0.001305 ! Inverting map ! Your choice of large map pixels excluded 1.45% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.167414Jy sigma=0.001305 ! Fit after self-cal, rms=0.167474Jy sigma=0.001305 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 1.45% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.6775 mas, bmaj=2.044 mas, bpa=-3.852 degrees ! Estimated noise=1785.78 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.871955 Jy ! Component: 100 - total flux cleaned = 1.08198 Jy ! Component: 150 - total flux cleaned = 1.18936 Jy ! Component: 200 - total flux cleaned = 1.26614 Jy ! Total flux subtracted in 200 components = 1.26614 Jy ! Clean residual min=-0.026125 max=0.046938 Jy/beam ! Clean residual mean=0.002236 rms=0.010810 Jy/beam ! Combined flux in latest and established models = 1.26614 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 27 model components to the UV plane model. ! The established model now contains 27 components and 1.26614 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 1.45% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.8867 mas, bmaj=2.689 mas, bpa=-2.605 degrees ! Estimated noise=989.855 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) ! Added new window around map position (0.4, 4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.108105 Jy ! Component: 100 - total flux cleaned = 0.175356 Jy ! Component: 150 - total flux cleaned = 0.221506 Jy ! Component: 200 - total flux cleaned = 0.254622 Jy ! Total flux subtracted in 200 components = 0.254622 Jy ! Clean residual min=-0.009041 max=0.021166 Jy/beam ! Clean residual mean=0.005158 rms=0.005165 Jy/beam ! Combined flux in latest and established models = 1.52077 Jy ! Adding 95 model components to the UV plane model. ! The established model now contains 108 components and 1.52077 Jy ! Inverting map ! Your choice of large map pixels excluded 1.45% of the data. ! The x-axis pixel size should ideally be below 0.1902 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 1.45% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=2.24 mas, bmaj=5.68 mas, bpa=17.15 degrees ! Estimated noise=1164.03 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0382525 Jy ! Component: 100 - total flux cleaned = 0.0602223 Jy ! Component: 150 - total flux cleaned = 0.073349 Jy ! Component: 200 - total flux cleaned = 0.0813582 Jy ! Total flux subtracted in 200 components = 0.0813582 Jy ! Clean residual min=-0.004425 max=0.007152 Jy/beam ! Clean residual mean=0.000781 rms=0.002196 Jy/beam ! Combined flux in latest and established models = 1.60212 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 = 0.00499355 Jy ! Component: 100 - total flux cleaned = 0.00813713 Jy ! Component: 150 - total flux cleaned = 0.00928644 Jy ! Component: 200 - total flux cleaned = 0.00974147 Jy ! Total flux subtracted in 200 components = 0.00974147 Jy ! Clean residual min=-0.005514 max=0.004686 Jy/beam ! Clean residual mean=-0.000364 rms=0.001838 Jy/beam ! Combined flux in latest and established models = 1.61187 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 135 components and 1.61187 Jy ! Inverting map ! Your choice of large map pixels excluded 1.45% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 1.45% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.8867 mas, bmaj=2.689 mas, bpa=-2.605 degrees ! Estimated noise=989.855 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000524997 Jy ! Component: 100 - total flux cleaned = 0.000129794 Jy ! Component: 150 - total flux cleaned = 0.000140348 Jy ! Component: 200 - total flux cleaned = -8.08058e-05 Jy ! Total flux subtracted in 200 components = -8.08058e-05 Jy ! Clean residual min=-0.007759 max=0.008307 Jy/beam ! Clean residual mean=-0.000149 rms=0.001946 Jy/beam ! Combined flux in latest and established models = 1.61178 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 152 components and 1.61178 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.167735Jy sigma=0.001305 ! Fit after self-cal, rms=0.167510Jy sigma=0.001302 wmodel J0453-2807_X_2000_05_22_pus_map.mod ! Writing 152 model components to file: J0453-2807_X_2000_05_22_pus_map.mod wobs J0453-2807_X_2000_05_22_pus_uvs.fits ! Writing UV FITS file: J0453-2807_X_2000_05_22_pus_uvs.fits wwins J0453-2807_X_2000_05_22_pus_map.win ! wwins: Wrote 3 windows to J0453-2807_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 1.45% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000364605 Jy ! Component: 100 - total flux cleaned = -0.000590062 Jy ! Component: 150 - total flux cleaned = -0.000397547 Jy ! Component: 200 - total flux cleaned = -0.000494121 Jy ! Component: 250 - total flux cleaned = -0.000755452 Jy ! Component: 300 - total flux cleaned = -0.00083704 Jy ! Component: 350 - total flux cleaned = -0.000682458 Jy ! Component: 400 - total flux cleaned = -0.000683042 Jy ! Component: 450 - total flux cleaned = -0.000681656 Jy ! Component: 500 - total flux cleaned = -0.000750351 Jy ! Component: 550 - total flux cleaned = -0.000750822 Jy ! Component: 600 - total flux cleaned = -0.0008139 Jy ! Component: 650 - total flux cleaned = -0.000749846 Jy ! Component: 700 - total flux cleaned = -0.000688783 Jy ! Component: 750 - total flux cleaned = -0.000689265 Jy ! Component: 800 - total flux cleaned = -0.00068935 Jy ! Component: 850 - total flux cleaned = -0.000689533 Jy ! Component: 900 - total flux cleaned = -0.000800262 Jy ! Component: 950 - total flux cleaned = -0.000800064 Jy ! Component: 1000 - total flux cleaned = -0.000853156 Jy ! Total flux subtracted in 1024 components = -0.000801249 Jy ! Clean residual min=-0.002706 max=0.002931 Jy/beam ! Clean residual mean=-0.000119 rms=0.001020 Jy/beam ! Combined flux in latest and established models = 1.61098 Jy keep ! Adding 56 model components to the UV plane model. ! The established model now contains 208 components and 1.61098 Jy ![Exited script file: muppet] wmap "J0453-2807_X_2000_05_22_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 1.45% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8867 x 2.689 at -2.605 degrees (North through East) ! Clean map min=-0.004979 max=1.1528 Jy/beam ! Writing clean map to FITS file: J0453-2807_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 1.15285 invert ! Inverting map ! Your choice of large map pixels excluded 1.45% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00102126 device "J0453-2807_X_2000_05_22_pus\_map.eps/VPS" ! Attempting to open device: 'J0453-2807_X_2000_05_22_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.265757 0.265757 0.531514 1.06303 2.12605 4.25211 8.50422 17.0084 34.0169 68.0338 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.003 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.152 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8867 x 2.689 at -2.605 degrees (North through East) ! Clean map min=-0.004979 max=1.1528 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0453-2807_X_2000_05_22_pus\_map.gif/vgif" ! Attempting to open device: 'J0453-2807_X_2000_05_22_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0453-2807_X_2000_05_22_pus_uvs.log closed on Mon Nov 12 16:17:55 2007