! Started logfile: J1625-2527_X_2001_10_29_pus_uvs.log on Mon Feb 25 16:18:28 2008 obs J1625-2527_X_2001_10_29_pus_uva.fits ! Reading UV FITS file: J1625-2527_X_2001_10_29_pus_uva.fits ! AN table 1: 81 integrations on 153 of 153 possible baselines. ! AN table 2: 16 integrations on 153 of 153 possible baselines. ! AN table 3: 20 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.10748 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 1970 lines of history. ! ! Reading 7696 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_2001_10_29_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 1053 telescope corrections were flagged in sub-array 1. ! A total of 134 telescope corrections were flagged in sub-array 2. ! A total of 360 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 1053 telescope corrections were flagged in sub-array 1. ! A total of 134 telescope corrections were flagged in sub-array 2. ! A total of 360 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 1053 telescope corrections were flagged in sub-array 1. ! A total of 134 telescope corrections were flagged in sub-array 2. ! A total of 360 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 1053 telescope corrections were flagged in sub-array 1. ! A total of 134 telescope corrections were flagged in sub-array 2. ! A total of 360 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=1.719307Jy sigma=0.012063 ! Fit after self-cal, rms=1.401693Jy sigma=0.010055 ! 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 11.9% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Estimated beam: bmin=0.6165 mas, bmaj=1.225 mas, bpa=13.73 degrees ! Estimated noise=2215.6 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 = 1.77075 Jy ! Component: 100 - total flux cleaned = 2.16154 Jy ! Total flux subtracted in 100 components = 2.16154 Jy ! Clean residual min=-0.072429 max=0.125041 Jy/beam ! Clean residual mean=0.002094 rms=0.025279 Jy/beam ! Combined flux in latest and established models = 2.16154 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 2.16154 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.466359Jy sigma=0.002564 ! Fit after self-cal, rms=0.466353Jy sigma=0.002564 ! Inverting map ! Your choice of large map pixels excluded 11.9% of the data. ! The x-axis pixel size should ideally be below 0.1663 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 11.9% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Estimated beam: bmin=0.7851 mas, bmaj=1.576 mas, bpa=8.217 degrees ! Estimated noise=1174.97 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 = 0.15286 Jy ! Component: 100 - total flux cleaned = 0.217753 Jy ! Component: 150 - total flux cleaned = 0.240359 Jy ! Component: 200 - total flux cleaned = 0.244155 Jy ! Total flux subtracted in 200 components = 0.244155 Jy ! Clean residual min=-0.065801 max=0.076343 Jy/beam ! Clean residual mean=-0.001308 rms=0.017758 Jy/beam ! Combined flux in latest and established models = 2.4057 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 2.4057 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.410584Jy sigma=0.002095 ! Fit after self-cal, rms=0.410538Jy sigma=0.002095 ! Inverting map ! Your choice of large map pixels excluded 11.9% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GG 1.00* HH 0.97 ! HN 1.04 KK 1.00* KP 0.99 LA 0.99 ! MA 1.00* MC 1.00* MK 1.00* NL 0.99 ! OV 1.02 PT 1.02 SC 0.94 TS 1.00* ! WF 0.87 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 1.00* GG 1.00* HH 1.00* ! HN 1.50 KK 0.99 KP 0.99 LA 0.99 ! MA 1.00* MC 1.00* MK 0.99 NL 1.01 ! OV 0.99 PT 0.98 SC 1.00 TS 1.00* ! WF 1.11 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GG 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MC 0.00* MK 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GG 1.00* HH 0.97 ! HN 1.03 KK 1.00* KP 1.00 LA 0.97 ! MA 1.00* MC 1.00* MK 1.00* NL 0.95 ! OV 1.03 PT 0.99 SC 0.90 TS 1.00* ! WF 0.85 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 1.00* GG 1.00* HH 1.00* ! HN 1.52 KK 1.02 KP 1.02 LA 0.97 ! MA 1.00* MC 1.00* MK 0.99 NL 0.98 ! OV 1.00 PT 0.97 SC 0.96 TS 1.00* ! WF 1.09 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GG 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MC 0.00* MK 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GG 1.00* HH 0.95 ! HN 1.04 KK 1.00* KP 0.99 LA 1.00 ! MA 1.00* MC 1.00* MK 1.00* NL 0.99 ! OV 1.00 PT 1.02 SC 0.92 TS 1.00* ! WF 0.90 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.00* GG 1.00* HH 1.00* ! HN 1.49 KK 0.99 KP 0.99 LA 1.00 ! MA 1.00* MC 1.00* MK 1.01 NL 1.00 ! OV 0.98 PT 0.99 SC 0.98 TS 1.00* ! WF 1.14 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GG 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MC 0.00* MK 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00* GG 1.00* HH 0.96 ! HN 1.06 KK 1.00* KP 1.01 LA 0.98 ! MA 1.00* MC 1.00* MK 1.00* NL 1.00 ! OV 0.98 PT 1.02 SC 0.96 TS 1.00* ! WF 0.89 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 1.00* GG 1.00* HH 1.00* ! HN 1.54 KK 0.98 KP 1.02 LA 0.98 ! MA 1.00* MC 1.00* MK 1.04 NL 1.02 ! OV 0.97 PT 0.99 SC 1.02 TS 1.00* ! WF 1.12 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* FD 0.00* GG 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MA 0.00* MC 0.00* MK 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! ! Fit before self-cal, rms=0.410538Jy sigma=0.002095 ! Fit after self-cal, rms=0.292022Jy sigma=0.001294 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 11.8% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Estimated beam: bmin=0.786 mas, bmaj=1.546 mas, bpa=9.874 degrees ! Estimated noise=1175.65 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 (-1.6, 1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0114208 Jy ! Component: 100 - total flux cleaned = 0.0129972 Jy ! Component: 150 - total flux cleaned = 0.0130024 Jy ! Component: 200 - total flux cleaned = 0.0134593 Jy ! Total flux subtracted in 200 components = 0.0134593 Jy ! Clean residual min=-0.006527 max=0.007375 Jy/beam ! Clean residual mean=0.000549 rms=0.001979 Jy/beam ! Combined flux in latest and established models = 2.41916 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 22 components and 2.41916 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.291344Jy sigma=0.001287 ! Fit after self-cal, rms=0.291349Jy sigma=0.001287 ! Inverting map ! Your choice of large map pixels excluded 11.8% of the data. ! The x-axis pixel size should ideally be below 0.1663 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=0.291349Jy sigma=0.001287 ! Fit after self-cal, rms=0.291118Jy sigma=0.001286 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 11.8% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Estimated beam: bmin=0.7858 mas, bmaj=1.546 mas, bpa=9.856 degrees ! Estimated noise=1175.13 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00371569 Jy ! Component: 100 - total flux cleaned = 0.00412731 Jy ! Component: 150 - total flux cleaned = 0.00450094 Jy ! Component: 200 - total flux cleaned = 0.00467099 Jy ! Total flux subtracted in 200 components = 0.00467099 Jy ! Clean residual min=-0.005911 max=0.006525 Jy/beam ! Clean residual mean=0.000510 rms=0.001817 Jy/beam ! Combined flux in latest and established models = 2.42383 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 25 components and 2.42383 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.290917Jy sigma=0.001284 ! Fit after self-cal, rms=0.290896Jy sigma=0.001284 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 11.8% of the data. ! The x-axis pixel size should ideally be below 0.1663 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 = 0.000537654 Jy ! Component: 100 - total flux cleaned = 0.000841452 Jy ! Component: 150 - total flux cleaned = 0.00112048 Jy ! Component: 200 - total flux cleaned = 0.00138766 Jy ! Total flux subtracted in 200 components = 0.00138766 Jy ! Clean residual min=-0.005537 max=0.006377 Jy/beam ! Clean residual mean=0.000470 rms=0.001726 Jy/beam ! Combined flux in latest and established models = 2.42522 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 27 components and 2.42522 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.290860Jy sigma=0.001283 ! Fit after self-cal, rms=0.290850Jy sigma=0.001283 ! Inverting map ! Your choice of large map pixels excluded 11.8% of the data. ! The x-axis pixel size should ideally be below 0.1663 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=0.290850Jy sigma=0.001283 ! Fit after self-cal, rms=0.291462Jy sigma=0.001283 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 11.8% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Estimated beam: bmin=0.7862 mas, bmaj=1.547 mas, bpa=9.791 degrees ! Estimated noise=1175.31 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00127272 Jy ! Component: 100 - total flux cleaned = 0.00156238 Jy ! Component: 150 - total flux cleaned = 0.00169774 Jy ! Component: 200 - total flux cleaned = 0.00195225 Jy ! Total flux subtracted in 200 components = 0.00195225 Jy ! Clean residual min=-0.005435 max=0.005974 Jy/beam ! Clean residual mean=0.000470 rms=0.001704 Jy/beam ! Combined flux in latest and established models = 2.42717 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 31 components and 2.42717 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.291425Jy sigma=0.001282 ! Fit after self-cal, rms=0.291424Jy sigma=0.001282 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 11.8% of the data. ! The x-axis pixel size should ideally be below 0.1663 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 = 0.000253389 Jy ! Component: 100 - total flux cleaned = 0.0003667 Jy ! Component: 150 - total flux cleaned = 0.000474413 Jy ! Component: 200 - total flux cleaned = 0.00067832 Jy ! Total flux subtracted in 200 components = 0.00067832 Jy ! Clean residual min=-0.005211 max=0.006003 Jy/beam ! Clean residual mean=0.000450 rms=0.001644 Jy/beam ! Combined flux in latest and established models = 2.42785 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 33 components and 2.42785 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.291423Jy sigma=0.001282 ! Fit after self-cal, rms=0.291415Jy sigma=0.001282 ! Inverting map ! Your choice of large map pixels excluded 11.8% of the data. ! The x-axis pixel size should ideally be below 0.1663 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=0.291415Jy sigma=0.001282 ! Fit after self-cal, rms=0.292084Jy sigma=0.001282 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 11.8% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Estimated beam: bmin=2.055 mas, bmaj=4.752 mas, bpa=-3.373 degrees ! Estimated noise=1490.04 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00375241 Jy ! Component: 100 - total flux cleaned = 0.00427039 Jy ! Component: 150 - total flux cleaned = 0.00438707 Jy ! Component: 200 - total flux cleaned = 0.00444019 Jy ! Total flux subtracted in 200 components = 0.00444019 Jy ! Clean residual min=-0.004781 max=0.007552 Jy/beam ! Clean residual mean=0.000839 rms=0.002108 Jy/beam ! Combined flux in latest and established models = 2.43229 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 42 components and 2.43229 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.292035Jy sigma=0.001281 ! Fit after self-cal, rms=0.292031Jy sigma=0.001281 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 11.8% of the data. ! The x-axis pixel size should ideally be below 0.1663 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 = 0.00033442 Jy ! Component: 100 - total flux cleaned = 0.000337078 Jy ! Component: 150 - total flux cleaned = 0.000440306 Jy ! Component: 200 - total flux cleaned = 0.000486265 Jy ! Total flux subtracted in 200 components = 0.000486265 Jy ! Clean residual min=-0.004696 max=0.007306 Jy/beam ! Clean residual mean=0.000809 rms=0.002066 Jy/beam ! Combined flux in latest and established models = 2.43277 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 45 components and 2.43277 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.292027Jy sigma=0.001281 ! Fit after self-cal, rms=0.292025Jy sigma=0.001281 ! Inverting map ! Your choice of large map pixels excluded 11.8% of the data. ! The x-axis pixel size should ideally be below 0.1663 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 11.8% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Estimated beam: bmin=0.7867 mas, bmaj=1.549 mas, bpa=9.738 degrees ! Estimated noise=1175.64 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7867 x 1.549 at 9.738 degrees (North through East) ! Clean map min=-0.0042619 max=2.2583 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=0.292025Jy sigma=0.001281 ! Fit after self-cal, rms=0.367342Jy sigma=0.001131 ! Inverting map and beam ! Your choice of large map pixels excluded 11.8% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Estimated beam: bmin=0.7867 mas, bmaj=1.549 mas, bpa=9.689 degrees ! Estimated noise=1175.77 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000287398 Jy ! Component: 100 - total flux cleaned = -0.000173879 Jy ! Component: 150 - total flux cleaned = -6.61178e-05 Jy ! Component: 200 - total flux cleaned = 3.44771e-05 Jy ! Total flux subtracted in 200 components = 3.44771e-05 Jy ! Clean residual min=-0.004897 max=0.004974 Jy/beam ! Clean residual mean=0.000284 rms=0.001507 Jy/beam ! Combined flux in latest and established models = 2.43281 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 50 components and 2.43281 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.367294Jy sigma=0.001131 ! Fit after self-cal, rms=0.367294Jy sigma=0.001131 ! Inverting map ! Your choice of large map pixels excluded 11.8% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000210396 Jy ! Component: 100 - total flux cleaned = 0.000298769 Jy ! Component: 150 - total flux cleaned = 0.00038293 Jy ! Component: 200 - total flux cleaned = 0.00046224 Jy ! Total flux subtracted in 200 components = 0.00046224 Jy ! Clean residual min=-0.004693 max=0.004833 Jy/beam ! Clean residual mean=0.000271 rms=0.001464 Jy/beam ! Combined flux in latest and established models = 2.43327 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 51 components and 2.43327 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.367276Jy sigma=0.001131 ! Fit after self-cal, rms=0.367273Jy sigma=0.001131 ! Inverting map ! Your choice of large map pixels excluded 11.8% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.367273Jy sigma=0.001131 ! Fit after self-cal, rms=0.368514Jy sigma=0.001130 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 11.8% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Estimated beam: bmin=0.6167 mas, bmaj=1.217 mas, bpa=15.59 degrees ! Estimated noise=2230.15 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.78061 Jy ! Component: 100 - total flux cleaned = 2.1689 Jy ! Component: 150 - total flux cleaned = 2.27648 Jy ! Component: 200 - total flux cleaned = 2.33354 Jy ! Total flux subtracted in 200 components = 2.33354 Jy ! Clean residual min=-0.016015 max=0.029362 Jy/beam ! Clean residual mean=0.000892 rms=0.005590 Jy/beam ! Combined flux in latest and established models = 2.33353 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 11 model components to the UV plane model. ! The established model now contains 11 components and 2.33353 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 11.8% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Estimated beam: bmin=0.7871 mas, bmaj=1.551 mas, bpa=9.645 degrees ! Estimated noise=1175.82 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 = 0.044865 Jy ! Component: 100 - total flux cleaned = 0.0688695 Jy ! Component: 150 - total flux cleaned = 0.0832729 Jy ! Component: 200 - total flux cleaned = 0.0922099 Jy ! Total flux subtracted in 200 components = 0.0922099 Jy ! Clean residual min=-0.007845 max=0.009194 Jy/beam ! Clean residual mean=0.000482 rms=0.002442 Jy/beam ! Combined flux in latest and established models = 2.42574 Jy ! Adding 19 model components to the UV plane model. ! The established model now contains 21 components and 2.42574 Jy ! Inverting map ! Your choice of large map pixels excluded 11.8% of the data. ! The x-axis pixel size should ideally be below 0.1663 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 11.8% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Estimated beam: bmin=2.054 mas, bmaj=4.751 mas, bpa=-3.381 degrees ! Estimated noise=1490.61 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00670326 Jy ! Component: 100 - total flux cleaned = 0.00762086 Jy ! Component: 150 - total flux cleaned = 0.00804484 Jy ! Component: 200 - total flux cleaned = 0.00832362 Jy ! Total flux subtracted in 200 components = 0.00832362 Jy ! Clean residual min=-0.005456 max=0.006791 Jy/beam ! Clean residual mean=0.000576 rms=0.002244 Jy/beam ! Combined flux in latest and established models = 2.43407 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 = 0.000252047 Jy ! Component: 100 - total flux cleaned = 0.000478769 Jy ! Component: 150 - total flux cleaned = 0.000609984 Jy ! Component: 200 - total flux cleaned = 0.000673649 Jy ! Total flux subtracted in 200 components = 0.000673649 Jy ! Clean residual min=-0.005345 max=0.006493 Jy/beam ! Clean residual mean=0.000529 rms=0.002145 Jy/beam ! Combined flux in latest and established models = 2.43474 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 41 components and 2.43474 Jy ! Inverting map ! Your choice of large map pixels excluded 11.8% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 11.8% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! Estimated beam: bmin=0.7871 mas, bmaj=1.551 mas, bpa=9.645 degrees ! Estimated noise=1175.82 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00219046 Jy ! Component: 100 - total flux cleaned = -0.00247342 Jy ! Component: 150 - total flux cleaned = -0.00224738 Jy ! Component: 200 - total flux cleaned = -0.00225165 Jy ! Total flux subtracted in 200 components = -0.00225165 Jy ! Clean residual min=-0.006361 max=0.006542 Jy/beam ! Clean residual mean=0.000285 rms=0.001961 Jy/beam ! Combined flux in latest and established models = 2.43249 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 45 components and 2.43249 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.369440Jy sigma=0.001137 ! Fit after self-cal, rms=0.369340Jy sigma=0.001136 wmodel J1625-2527_X_2001_10_29_pus_map.mod ! Writing 45 model components to file: J1625-2527_X_2001_10_29_pus_map.mod wobs J1625-2527_X_2001_10_29_pus_uvs.fits ! Writing UV FITS file: J1625-2527_X_2001_10_29_pus_uvs.fits wwins J1625-2527_X_2001_10_29_pus_map.win ! wwins: Wrote 2 windows to J1625-2527_X_2001_10_29_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 11.8% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000227406 Jy ! Component: 100 - total flux cleaned = -0.00130542 Jy ! Component: 150 - total flux cleaned = -0.00190648 Jy ! Component: 200 - total flux cleaned = -0.00209704 Jy ! Component: 250 - total flux cleaned = -0.00209674 Jy ! Component: 300 - total flux cleaned = -0.00209629 Jy ! Component: 350 - total flux cleaned = -0.00200899 Jy ! Component: 400 - total flux cleaned = -0.00217606 Jy ! Component: 450 - total flux cleaned = -0.0023401 Jy ! Component: 500 - total flux cleaned = -0.00234004 Jy ! Component: 550 - total flux cleaned = -0.00257218 Jy ! Component: 600 - total flux cleaned = -0.00264849 Jy ! Component: 650 - total flux cleaned = -0.00279818 Jy ! Component: 700 - total flux cleaned = -0.00308972 Jy ! Component: 750 - total flux cleaned = -0.00330322 Jy ! Component: 800 - total flux cleaned = -0.0033738 Jy ! Component: 850 - total flux cleaned = -0.00364879 Jy ! Component: 900 - total flux cleaned = -0.00358089 Jy ! Component: 950 - total flux cleaned = -0.00371426 Jy ! Component: 1000 - total flux cleaned = -0.00384617 Jy ! Total flux subtracted in 1024 components = -0.00397578 Jy ! Clean residual min=-0.003523 max=0.003222 Jy/beam ! Clean residual mean=0.000110 rms=0.001278 Jy/beam ! Combined flux in latest and established models = 2.42851 Jy keep ! Adding 62 model components to the UV plane model. ! The established model now contains 107 components and 2.42851 Jy ![Exited script file: muppet] wmap "J1625-2527_X_2001_10_29_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 11.8% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7871 x 1.551 at 9.645 degrees (North through East) ! Clean map min=-0.0043956 max=2.2635 Jy/beam ! Writing clean map to FITS file: J1625-2527_X_2001_10_29_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 2.2635 invert ! Inverting map ! Your choice of large map pixels excluded 11.8% of the data. ! The x-axis pixel size should ideally be below 0.1663 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00127068 device "J1625-2527_X_2001_10_29_pus\_map.eps/VPS" ! Attempting to open device: 'J1625-2527_X_2001_10_29_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.168413 0.168413 0.336826 0.673653 1.34731 2.69461 5.38922 10.7784 21.5569 43.1138 86.2275 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0038 print "peak=",int(1000*peak_flux)/1000 ! peak= 2.263 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7871 x 1.551 at 9.645 degrees (North through East) ! Clean map min=-0.0043956 max=2.2635 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1625-2527_X_2001_10_29_pus\_map.gif/vgif" ! Attempting to open device: 'J1625-2527_X_2001_10_29_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1625-2527_X_2001_10_29_pus_uvs.log closed on Mon Feb 25 16:18:31 2008