! Started logfile: J1127-1857_X_1999_12_20_pus_uvs.log on Tue Dec 18 11:21:10 2007 obs J1127-1857_X_1999_12_20_pus_uva.fits ! Reading UV FITS file: J1127-1857_X_1999_12_20_pus_uva.fits ! AN table 1: 96 integrations on 190 of 190 possible baselines. ! AN table 2: 104 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.0537632 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1127-1857 ! ! 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 2422 lines of history. ! ! Reading 8172 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 J1127-1857_X_1999_12_20_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 1780 telescope corrections were flagged in sub-array 1. ! A total of 1548 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 1780 telescope corrections were flagged in sub-array 1. ! A total of 1546 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 1780 telescope corrections were flagged in sub-array 1. ! A total of 1548 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 1780 telescope corrections were flagged in sub-array 1. ! A total of 1548 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.173145Jy sigma=0.010162 ! Fit after self-cal, rms=0.876602Jy sigma=0.007999 ! 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 1.22% of the data. ! The x-axis pixel size should ideally be below 0.1667 milli-arcsec ! Estimated beam: bmin=0.6911 mas, bmaj=1.214 mas, bpa=3.952 degrees ! Estimated noise=1529 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 = 1.40216 Jy ! Component: 100 - total flux cleaned = 1.72644 Jy ! Total flux subtracted in 100 components = 1.72644 Jy ! Clean residual min=-0.032734 max=0.111022 Jy/beam ! Clean residual mean=0.000773 rms=0.013034 Jy/beam ! Combined flux in latest and established models = 1.72644 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 1.72644 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.284417Jy sigma=0.002212 ! Fit after self-cal, rms=0.284455Jy sigma=0.002212 ! Inverting map ! Your choice of large map pixels excluded 1.22% of the data. ! The x-axis pixel size should ideally be below 0.1667 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.117725 Jy ! Component: 100 - total flux cleaned = 0.177508 Jy ! Total flux subtracted in 100 components = 0.177508 Jy ! Clean residual min=-0.017669 max=0.030811 Jy/beam ! Clean residual mean=0.000273 rms=0.005836 Jy/beam ! Combined flux in latest and established models = 1.90395 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 15 components and 1.90395 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.232845Jy sigma=0.001526 ! Fit after self-cal, rms=0.232839Jy sigma=0.001526 ! Inverting map ! Your choice of large map pixels excluded 1.22% of the data. ! The x-axis pixel size should ideally be below 0.1667 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 1.22% of the data. ! The x-axis pixel size should ideally be below 0.1667 milli-arcsec ! Estimated beam: bmin=0.9049 mas, bmaj=1.971 mas, bpa=-6.659 degrees ! Estimated noise=948.339 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 = 0.0316674 Jy ! Component: 100 - total flux cleaned = 0.0422391 Jy ! Component: 150 - total flux cleaned = 0.0419333 Jy ! Component: 200 - total flux cleaned = 0.0416576 Jy ! Total flux subtracted in 200 components = 0.0416576 Jy ! Clean residual min=-0.019133 max=0.020736 Jy/beam ! Clean residual mean=0.001148 rms=0.007244 Jy/beam ! Combined flux in latest and established models = 1.94561 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 24 components and 1.94561 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.230304Jy sigma=0.001466 ! Fit after self-cal, rms=0.230292Jy sigma=0.001466 ! Inverting map ! Your choice of large map pixels excluded 1.22% of the data. ! The x-axis pixel size should ideally be below 0.1667 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 108 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.00* HH 0.97 ! HN 1.00* KK 1.00* KP 1.00* LA 1.00* ! MC 1.10 MK 1.00* NY 1.00* ON 1.07 ! OV 1.00* PT 1.00* SC 1.00* TS 1.00* ! WF 1.00* WZ 1.09 GN 1.00* NL 1.00* ! ! A total of 147 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.01 GC 1.00* HH 1.12 ! HN 0.98 KK 1.07 KP 1.03 LA 1.02 ! MC 1.00* MK 1.02 NY 1.00* ON 1.00* ! OV 0.99 PT 0.98 SC 1.06 TS 1.00* ! WF 0.97 WZ 1.00* GN 1.03 NL 0.99 ! ! ! Correcting IF 2. ! A total of 108 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.00* HH 0.99 ! HN 1.00* KK 1.00* KP 1.00* LA 1.00* ! MC 1.07 MK 1.00* NY 1.00* ON 1.12 ! OV 1.00* PT 1.00* SC 1.00* TS 1.00* ! WF 1.00* WZ 1.07 GN 1.00* NL 1.00* ! ! A total of 147 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.01 GC 1.00* HH 1.10 ! HN 0.97 KK 1.08 KP 0.96 LA 1.02 ! MC 1.00* MK 1.03 NY 1.00* ON 1.00* ! OV 1.00 PT 0.97 SC 1.01 TS 1.00* ! WF 0.98 WZ 1.00* GN 1.01 NL 0.99 ! ! ! Correcting IF 3. ! A total of 108 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.00* HH 0.89 ! HN 1.00* KK 1.00* KP 1.00* LA 1.00* ! MC 1.12 MK 1.00* NY 1.00* ON 1.04 ! OV 1.00* PT 1.00* SC 1.00* TS 1.00* ! WF 1.00* WZ 1.07 GN 1.00* NL 1.00* ! ! A total of 147 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 FD 1.01 GC 1.00* HH 1.03 ! HN 0.98 KK 1.07 KP 0.98 LA 1.01 ! MC 1.00* MK 1.01 NY 1.00* ON 1.00* ! OV 0.98 PT 0.98 SC 1.01 TS 1.00* ! WF 0.97 WZ 1.00* GN 1.02 NL 0.98 ! ! ! Correcting IF 4. ! A total of 108 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GC 1.00* HH 0.95 ! HN 1.00* KK 1.00* KP 1.00* LA 1.00* ! MC 1.05 MK 1.00* NY 1.00* ON 1.05 ! OV 1.00* PT 1.00* SC 1.00* TS 1.00* ! WF 1.00* WZ 1.11 GN 1.00* NL 1.00* ! ! A total of 147 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.00 GC 1.00* HH 1.13 ! HN 0.99 KK 1.06 KP 0.97 LA 1.01 ! MC 1.00* MK 0.97 NY 1.00* ON 1.00* ! OV 0.98 PT 0.98 SC 1.00 TS 1.00* ! WF 0.97 WZ 1.00* GN 1.02 NL 0.99 ! ! ! Fit before self-cal, rms=0.230292Jy sigma=0.001466 ! Fit after self-cal, rms=0.204748Jy sigma=0.001331 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 1.4% of the data. ! The x-axis pixel size should ideally be below 0.1667 milli-arcsec ! Estimated beam: bmin=0.873 mas, bmaj=1.974 mas, bpa=-7.066 degrees ! Estimated noise=961.817 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 = 0.000449282 Jy ! Component: 100 - total flux cleaned = 0.000875609 Jy ! Component: 150 - total flux cleaned = 0.00111655 Jy ! Component: 200 - total flux cleaned = 0.00122754 Jy ! Total flux subtracted in 200 components = 0.00122754 Jy ! Clean residual min=-0.010771 max=0.009736 Jy/beam ! Clean residual mean=-0.000464 rms=0.002548 Jy/beam ! Combined flux in latest and established models = 1.94684 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 30 components and 1.94684 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.204500Jy sigma=0.001329 ! Fit after self-cal, rms=0.204451Jy sigma=0.001329 ! Inverting map ! Your choice of large map pixels excluded 1.4% of the data. ! The x-axis pixel size should ideally be below 0.1667 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=0.204451Jy sigma=0.001329 ! Fit after self-cal, rms=0.201144Jy sigma=0.001283 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.4% of the data. ! The x-axis pixel size should ideally be below 0.1667 milli-arcsec ! Estimated beam: bmin=0.8735 mas, bmaj=1.973 mas, bpa=-7.077 degrees ! Estimated noise=961.609 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00150665 Jy ! Component: 100 - total flux cleaned = -0.00141219 Jy ! Component: 150 - total flux cleaned = -0.00149789 Jy ! Component: 200 - total flux cleaned = -0.00141015 Jy ! Total flux subtracted in 200 components = -0.00141015 Jy ! Clean residual min=-0.004628 max=0.004911 Jy/beam ! Clean residual mean=-0.000383 rms=0.001215 Jy/beam ! Combined flux in latest and established models = 1.94543 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 30 components and 1.94543 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.201040Jy sigma=0.001282 ! Fit after self-cal, rms=0.201015Jy sigma=0.001282 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.4% of the data. ! The x-axis pixel size should ideally be below 0.1667 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) ! Added new window around map position (0.6, -4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000640706 Jy ! Component: 100 - total flux cleaned = -4.75809e-05 Jy ! Component: 150 - total flux cleaned = -0.000274125 Jy ! Component: 200 - total flux cleaned = -0.000372586 Jy ! Total flux subtracted in 200 components = -0.000372586 Jy ! Clean residual min=-0.004392 max=0.003922 Jy/beam ! Clean residual mean=-0.000376 rms=0.001097 Jy/beam ! Combined flux in latest and established models = 1.94505 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 44 components and 1.94505 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.200750Jy sigma=0.001281 ! Fit after self-cal, rms=0.200749Jy sigma=0.001280 ! Inverting map ! Your choice of large map pixels excluded 1.4% of the data. ! The x-axis pixel size should ideally be below 0.1667 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=0.200749Jy sigma=0.001280 ! Fit after self-cal, rms=0.200882Jy sigma=0.001280 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.4% of the data. ! The x-axis pixel size should ideally be below 0.1667 milli-arcsec ! Estimated beam: bmin=0.8738 mas, bmaj=1.973 mas, bpa=-7.081 degrees ! Estimated noise=961.423 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000403915 Jy ! Component: 100 - total flux cleaned = 0.000207548 Jy ! Component: 150 - total flux cleaned = 2.71796e-05 Jy ! Component: 200 - total flux cleaned = -0.000129748 Jy ! Total flux subtracted in 200 components = -0.000129748 Jy ! Clean residual min=-0.004507 max=0.003184 Jy/beam ! Clean residual mean=-0.000332 rms=0.001054 Jy/beam ! Combined flux in latest and established models = 1.94492 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 48 components and 1.94492 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.200743Jy sigma=0.001279 ! Fit after self-cal, rms=0.200743Jy sigma=0.001279 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.4% of the data. ! The x-axis pixel size should ideally be below 0.1667 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 = 0.000308157 Jy ! Component: 100 - total flux cleaned = 0.000237136 Jy ! Component: 150 - total flux cleaned = 0.000300898 Jy ! Component: 200 - total flux cleaned = 0.000241339 Jy ! Total flux subtracted in 200 components = 0.000241339 Jy ! Clean residual min=-0.004444 max=0.003253 Jy/beam ! Clean residual mean=-0.000339 rms=0.001030 Jy/beam ! Combined flux in latest and established models = 1.94517 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 53 components and 1.94517 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.200667Jy sigma=0.001279 ! Fit after self-cal, rms=0.200666Jy sigma=0.001279 ! Inverting map ! Your choice of large map pixels excluded 1.4% of the data. ! The x-axis pixel size should ideally be below 0.1667 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=0.200666Jy sigma=0.001279 ! Fit after self-cal, rms=0.200822Jy sigma=0.001279 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 1.4% of the data. ! The x-axis pixel size should ideally be below 0.1667 milli-arcsec ! Estimated beam: bmin=1.987 mas, bmaj=4.252 mas, bpa=-6.406 degrees ! Estimated noise=1193.8 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00100391 Jy ! Component: 100 - total flux cleaned = -0.000918027 Jy ! Component: 150 - total flux cleaned = -0.000855718 Jy ! Component: 200 - total flux cleaned = -0.000827723 Jy ! Total flux subtracted in 200 components = -0.000827723 Jy ! Clean residual min=-0.004780 max=0.002510 Jy/beam ! Clean residual mean=-0.000659 rms=0.001203 Jy/beam ! Combined flux in latest and established models = 1.94434 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 66 components and 1.94434 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.200800Jy sigma=0.001279 ! Fit after self-cal, rms=0.200790Jy sigma=0.001279 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 1.4% of the data. ! The x-axis pixel size should ideally be below 0.1667 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 = 2.91872e-05 Jy ! Component: 100 - total flux cleaned = 0.00012492 Jy ! Component: 150 - total flux cleaned = 0.000151529 Jy ! Component: 200 - total flux cleaned = 0.00017577 Jy ! Total flux subtracted in 200 components = 0.00017577 Jy ! Clean residual min=-0.004751 max=0.002479 Jy/beam ! Clean residual mean=-0.000668 rms=0.001204 Jy/beam ! Combined flux in latest and established models = 1.94451 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 71 components and 1.94451 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.200791Jy sigma=0.001279 ! Fit after self-cal, rms=0.200785Jy sigma=0.001279 ! Inverting map ! Your choice of large map pixels excluded 1.4% of the data. ! The x-axis pixel size should ideally be below 0.1667 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 1.4% of the data. ! The x-axis pixel size should ideally be below 0.1667 milli-arcsec ! Estimated beam: bmin=0.874 mas, bmaj=1.974 mas, bpa=-7.088 degrees ! Estimated noise=961.097 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.874 x 1.974 at -7.088 degrees (North through East) ! Clean map min=-0.003824 max=1.831 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=0.200785Jy sigma=0.001279 ! Fit after self-cal, rms=0.179096Jy sigma=0.001139 ! Inverting map and beam ! Your choice of large map pixels excluded 1.4% of the data. ! The x-axis pixel size should ideally be below 0.1667 milli-arcsec ! Estimated beam: bmin=0.8739 mas, bmaj=1.972 mas, bpa=-7.089 degrees ! Estimated noise=960.993 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00212389 Jy ! Component: 100 - total flux cleaned = 0.00245497 Jy ! Component: 150 - total flux cleaned = 0.00261833 Jy ! Component: 200 - total flux cleaned = 0.00266754 Jy ! Total flux subtracted in 200 components = 0.00266754 Jy ! Clean residual min=-0.004435 max=0.003475 Jy/beam ! Clean residual mean=-0.000272 rms=0.000974 Jy/beam ! Combined flux in latest and established models = 1.94718 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 77 components and 1.94718 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179025Jy sigma=0.001139 ! Fit after self-cal, rms=0.179019Jy sigma=0.001139 ! Inverting map ! Your choice of large map pixels excluded 1.4% of the data. ! The x-axis pixel size should ideally be below 0.1667 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000438245 Jy ! Component: 100 - total flux cleaned = 0.000530189 Jy ! Component: 150 - total flux cleaned = 0.000615671 Jy ! Component: 200 - total flux cleaned = 0.000655713 Jy ! Total flux subtracted in 200 components = 0.000655713 Jy ! Clean residual min=-0.004308 max=0.003375 Jy/beam ! Clean residual mean=-0.000288 rms=0.000959 Jy/beam ! Combined flux in latest and established models = 1.94784 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 80 components and 1.94784 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.178983Jy sigma=0.001139 ! Fit after self-cal, rms=0.178982Jy sigma=0.001139 ! Inverting map ! Your choice of large map pixels excluded 1.4% of the data. ! The x-axis pixel size should ideally be below 0.1667 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.178982Jy sigma=0.001139 ! Fit after self-cal, rms=0.178997Jy sigma=0.001139 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 1.4% of the data. ! The x-axis pixel size should ideally be below 0.1667 milli-arcsec ! Estimated beam: bmin=0.7011 mas, bmaj=1.238 mas, bpa=3.271 degrees ! Estimated noise=1537.19 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.40694 Jy ! Component: 100 - total flux cleaned = 1.72451 Jy ! Component: 150 - total flux cleaned = 1.83101 Jy ! Component: 200 - total flux cleaned = 1.88366 Jy ! Total flux subtracted in 200 components = 1.88366 Jy ! Clean residual min=-0.010590 max=0.025149 Jy/beam ! Clean residual mean=0.000139 rms=0.003669 Jy/beam ! Combined flux in latest and established models = 1.88366 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 16 model components to the UV plane model. ! The established model now contains 16 components and 1.88366 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 1.4% of the data. ! The x-axis pixel size should ideally be below 0.1667 milli-arcsec ! Estimated beam: bmin=0.874 mas, bmaj=1.972 mas, bpa=-7.087 degrees ! Estimated noise=960.97 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 = 0.0349877 Jy ! Component: 100 - total flux cleaned = 0.0516311 Jy ! Component: 150 - total flux cleaned = 0.0601978 Jy ! Component: 200 - total flux cleaned = 0.0619847 Jy ! Total flux subtracted in 200 components = 0.0619847 Jy ! Clean residual min=-0.004616 max=0.003997 Jy/beam ! Clean residual mean=-0.000213 rms=0.001260 Jy/beam ! Combined flux in latest and established models = 1.94565 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 34 components and 1.94565 Jy ! Inverting map ! Your choice of large map pixels excluded 1.4% of the data. ! The x-axis pixel size should ideally be below 0.1667 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 1.4% of the data. ! The x-axis pixel size should ideally be below 0.1667 milli-arcsec ! Estimated beam: bmin=1.985 mas, bmaj=4.25 mas, bpa=-6.414 degrees ! Estimated noise=1194.24 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00194094 Jy ! Component: 100 - total flux cleaned = 0.00259377 Jy ! Component: 150 - total flux cleaned = 0.00298213 Jy ! Component: 200 - total flux cleaned = 0.00317191 Jy ! Total flux subtracted in 200 components = 0.00317191 Jy ! Clean residual min=-0.004724 max=0.002842 Jy/beam ! Clean residual mean=-0.000623 rms=0.001246 Jy/beam ! Combined flux in latest and established models = 1.94882 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 = 0.000113581 Jy ! Component: 100 - total flux cleaned = 0.000206448 Jy ! Component: 150 - total flux cleaned = 0.000284832 Jy ! Component: 200 - total flux cleaned = 0.000328884 Jy ! Total flux subtracted in 200 components = 0.000328884 Jy ! Clean residual min=-0.004569 max=0.002781 Jy/beam ! Clean residual mean=-0.000640 rms=0.001219 Jy/beam ! Combined flux in latest and established models = 1.94915 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 53 components and 1.94915 Jy ! Inverting map ! Your choice of large map pixels excluded 1.4% of the data. ! The x-axis pixel size should ideally be below 0.1667 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 1.4% of the data. ! The x-axis pixel size should ideally be below 0.1667 milli-arcsec ! Estimated beam: bmin=0.874 mas, bmaj=1.972 mas, bpa=-7.087 degrees ! Estimated noise=960.97 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00125231 Jy ! Component: 100 - total flux cleaned = -0.00137825 Jy ! Component: 150 - total flux cleaned = -0.00138072 Jy ! Component: 200 - total flux cleaned = -0.00127723 Jy ! Total flux subtracted in 200 components = -0.00127723 Jy ! Clean residual min=-0.004708 max=0.003635 Jy/beam ! Clean residual mean=-0.000266 rms=0.001080 Jy/beam ! Combined flux in latest and established models = 1.94787 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 61 components and 1.94787 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.180002Jy sigma=0.001144 ! Fit after self-cal, rms=0.179937Jy sigma=0.001143 wmodel J1127-1857_X_1999_12_20_pus_map.mod ! Writing 61 model components to file: J1127-1857_X_1999_12_20_pus_map.mod wobs J1127-1857_X_1999_12_20_pus_uvs.fits ! Writing UV FITS file: J1127-1857_X_1999_12_20_pus_uvs.fits wwins J1127-1857_X_1999_12_20_pus_map.win ! wwins: Wrote 2 windows to J1127-1857_X_1999_12_20_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 1.4% of the data. ! The x-axis pixel size should ideally be below 0.1667 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00188431 Jy ! Component: 100 - total flux cleaned = -0.00285354 Jy ! Component: 150 - total flux cleaned = -0.0036231 Jy ! Component: 200 - total flux cleaned = -0.00423159 Jy ! Component: 250 - total flux cleaned = -0.00475073 Jy ! Component: 300 - total flux cleaned = -0.00502793 Jy ! Component: 350 - total flux cleaned = -0.00540393 Jy ! Component: 400 - total flux cleaned = -0.00582134 Jy ! Component: 450 - total flux cleaned = -0.00627776 Jy ! Component: 500 - total flux cleaned = -0.0066723 Jy ! Component: 550 - total flux cleaned = -0.00705616 Jy ! Component: 600 - total flux cleaned = -0.00729022 Jy ! Component: 650 - total flux cleaned = -0.00756495 Jy ! Component: 700 - total flux cleaned = -0.00783402 Jy ! Component: 750 - total flux cleaned = -0.00814062 Jy ! Component: 800 - total flux cleaned = -0.00835486 Jy ! Component: 850 - total flux cleaned = -0.00848132 Jy ! Component: 900 - total flux cleaned = -0.00864729 Jy ! Component: 950 - total flux cleaned = -0.00885055 Jy ! Component: 1000 - total flux cleaned = -0.00901048 Jy ! Total flux subtracted in 1024 components = -0.00908935 Jy ! Clean residual min=-0.002358 max=0.002256 Jy/beam ! Clean residual mean=-0.000056 rms=0.000756 Jy/beam ! Combined flux in latest and established models = 1.93878 Jy keep ! Adding 54 model components to the UV plane model. ! The established model now contains 115 components and 1.93878 Jy ![Exited script file: muppet] wmap "J1127-1857_X_1999_12_20_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 1.4% of the data. ! The x-axis pixel size should ideally be below 0.1667 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.874 x 1.972 at -7.087 degrees (North through East) ! Clean map min=-0.0033541 max=1.8333 Jy/beam ! Writing clean map to FITS file: J1127-1857_X_1999_12_20_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.83326 invert ! Inverting map ! Your choice of large map pixels excluded 1.4% of the data. ! The x-axis pixel size should ideally be below 0.1667 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000754502 device "J1127-1857_X_1999_12_20_pus\_map.eps/VPS" ! Attempting to open device: 'J1127-1857_X_1999_12_20_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.123469 0.123469 0.246938 0.493876 0.987752 1.9755 3.95101 7.90202 15.804 31.6081 63.2162 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0022 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.833 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.874 x 1.972 at -7.087 degrees (North through East) ! Clean map min=-0.0033541 max=1.8333 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1127-1857_X_1999_12_20_pus\_map.gif/vgif" ! Attempting to open device: 'J1127-1857_X_1999_12_20_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1127-1857_X_1999_12_20_pus_uvs.log closed on Tue Dec 18 11:21:15 2007