! Started logfile: J0457-2324_X_1999_03_08_pus_uvs.log on Thu Jan 3 14:35:15 2008 obs J0457-2324_X_1999_03_08_pus_uva.fits ! Reading UV FITS file: J0457-2324_X_1999_03_08_pus_uva.fits ! AN table 1: 193 integrations on 190 of 190 possible baselines. ! AN table 2: 12 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.145392 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0457-2324 ! ! 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 2464 lines of history. ! ! Reading 22652 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 J0457-2324_X_1999_03_08_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 2534 telescope corrections were flagged in sub-array 1. ! A total of 210 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 2534 telescope corrections were flagged in sub-array 1. ! A total of 210 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 2534 telescope corrections were flagged in sub-array 1. ! A total of 210 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 2534 telescope corrections were flagged in sub-array 1. ! A total of 210 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.040254Jy sigma=0.009030 ! Fit after self-cal, rms=0.356393Jy sigma=0.003011 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.227% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.6793 mas, bmaj=1.764 mas, bpa=-4.634 degrees ! Estimated noise=1123.04 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 = 0.853518 Jy ! Component: 100 - total flux cleaned = 1.08866 Jy ! Total flux subtracted in 100 components = 1.08866 Jy ! Clean residual min=-0.028456 max=0.092643 Jy/beam ! Clean residual mean=0.001044 rms=0.011097 Jy/beam ! Combined flux in latest and established models = 1.08866 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 1.08866 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.317456Jy sigma=0.002391 ! Fit after self-cal, rms=0.317385Jy sigma=0.002391 ! Inverting map ! Your choice of large map pixels excluded 0.227% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.101118 Jy ! Component: 100 - total flux cleaned = 0.157458 Jy ! Total flux subtracted in 100 components = 0.157458 Jy ! Clean residual min=-0.015786 max=0.028198 Jy/beam ! Clean residual mean=0.000321 rms=0.005750 Jy/beam ! Combined flux in latest and established models = 1.24611 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 13 components and 1.24611 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.289358Jy sigma=0.001609 ! Fit after self-cal, rms=0.289241Jy sigma=0.001609 ! Inverting map ! Your choice of large map pixels excluded 0.227% 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 0.227% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.9527 mas, bmaj=2.479 mas, bpa=0.8722 degrees ! Estimated noise=520.959 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 = 0.0383443 Jy ! Component: 100 - total flux cleaned = 0.0580204 Jy ! Component: 150 - total flux cleaned = 0.0693376 Jy ! Component: 200 - total flux cleaned = 0.0759236 Jy ! Total flux subtracted in 200 components = 0.0759237 Jy ! Clean residual min=-0.017282 max=0.023991 Jy/beam ! Clean residual mean=-0.000431 rms=0.005418 Jy/beam ! Combined flux in latest and established models = 1.32204 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 34 components and 1.32204 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.289989Jy sigma=0.001452 ! Fit after self-cal, rms=0.289920Jy sigma=0.001452 ! Inverting map ! Your choice of large map pixels excluded 0.227% 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. ! A total of 39 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.97 GC 1.00* GG 1.00* ! HN 1.01 KP 0.98 LA 0.99 NL 1.15 ! OV 0.98 PT 0.98 SC 0.99 WF 1.08 ! GN 1.03 HH 1.00* KK 1.19 MC 1.00* ! MK 1.00 NY 1.00* ON 1.00* WZ 1.00* ! ! A total of 30 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* WF 0.00* ! GN 0.00* HH 0.00* KK 0.00* MC 0.00* ! MK 0.00* NY 0.00* ON 0.00* WZ 0.00* ! ! ! Correcting IF 2. ! A total of 39 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.97 GC 1.00* GG 1.00* ! HN 1.01 KP 0.99 LA 0.98 NL 1.07 ! OV 0.99 PT 0.97 SC 0.98 WF 1.10 ! GN 1.03 HH 1.00* KK 1.13 MC 1.00* ! MK 1.04 NY 1.00* ON 1.00* WZ 1.00* ! ! A total of 30 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* WF 0.00* ! GN 0.00* HH 0.00* KK 0.00* MC 0.00* ! MK 0.00* NY 0.00* ON 0.00* WZ 0.00* ! ! ! Correcting IF 3. ! A total of 39 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.97 GC 1.00* GG 1.00* ! HN 1.01 KP 0.99 LA 1.00 NL 1.16 ! OV 0.99 PT 0.98 SC 1.02 WF 1.11 ! GN 1.02 HH 1.00* KK 1.09 MC 1.00* ! MK 1.04 NY 1.00* ON 1.00* WZ 1.00* ! ! A total of 30 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* WF 0.00* ! GN 0.00* HH 0.00* KK 0.00* MC 0.00* ! MK 0.00* NY 0.00* ON 0.00* WZ 0.00* ! ! ! Correcting IF 4. ! A total of 39 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.97 GC 1.00* GG 1.00* ! HN 1.03 KP 0.99 LA 0.99 NL 1.09 ! OV 0.99 PT 0.97 SC 1.01 WF 1.10 ! GN 1.02 HH 1.00* KK 1.04 MC 1.00* ! MK 1.03 NY 1.00* ON 1.00* WZ 1.00* ! ! A total of 30 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HN 0.00* KP 0.00* LA 0.00* NL 0.00* ! OV 0.00* PT 0.00* SC 0.00* WF 0.00* ! GN 0.00* HH 0.00* KK 0.00* MC 0.00* ! MK 0.00* NY 0.00* ON 0.00* WZ 0.00* ! ! ! Fit before self-cal, rms=0.289920Jy sigma=0.001452 ! Fit after self-cal, rms=0.305081Jy sigma=0.001332 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.23% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.956 mas, bmaj=2.484 mas, bpa=1.304 degrees ! Estimated noise=522.745 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 = -0.00699624 Jy ! Component: 100 - total flux cleaned = -0.00772274 Jy ! Component: 150 - total flux cleaned = -0.00808506 Jy ! Component: 200 - total flux cleaned = -0.00838806 Jy ! Total flux subtracted in 200 components = -0.00838806 Jy ! Clean residual min=-0.009104 max=0.012172 Jy/beam ! Clean residual mean=0.000219 rms=0.002738 Jy/beam ! Combined flux in latest and established models = 1.31365 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 39 components and 1.31365 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.304571Jy sigma=0.001326 ! Fit after self-cal, rms=0.304949Jy sigma=0.001326 ! Inverting map ! Your choice of large map pixels excluded 0.23% 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=0.304949Jy sigma=0.001326 ! Fit after self-cal, rms=0.307798Jy sigma=0.001270 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.23% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.9564 mas, bmaj=2.498 mas, bpa=1.455 degrees ! Estimated noise=523.077 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000410345 Jy ! Component: 100 - total flux cleaned = 0.00033107 Jy ! Component: 150 - total flux cleaned = 0.000121602 Jy ! Component: 200 - total flux cleaned = -4.65605e-06 Jy ! Total flux subtracted in 200 components = -4.65605e-06 Jy ! Clean residual min=-0.004471 max=0.007471 Jy/beam ! Clean residual mean=0.000233 rms=0.001281 Jy/beam ! Combined flux in latest and established models = 1.31365 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 47 components and 1.31365 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.307774Jy sigma=0.001269 ! Fit after self-cal, rms=0.307805Jy sigma=0.001269 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.23% 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) ! Added new window around map position (-1.4, -5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00412576 Jy ! Component: 100 - total flux cleaned = 0.00477304 Jy ! Component: 150 - total flux cleaned = 0.00488065 Jy ! Component: 200 - total flux cleaned = 0.00526979 Jy ! Total flux subtracted in 200 components = 0.00526979 Jy ! Clean residual min=-0.003832 max=0.003609 Jy/beam ! Clean residual mean=0.000123 rms=0.000948 Jy/beam ! Combined flux in latest and established models = 1.31892 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 60 components and 1.31892 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.307591Jy sigma=0.001265 ! Fit after self-cal, rms=0.307551Jy sigma=0.001265 ! Inverting map ! Your choice of large map pixels excluded 0.23% 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=0.307551Jy sigma=0.001265 ! Fit after self-cal, rms=0.308004Jy sigma=0.001261 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.23% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.9552 mas, bmaj=2.499 mas, bpa=1.397 degrees ! Estimated noise=522.753 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00123933 Jy ! Component: 100 - total flux cleaned = 0.00137255 Jy ! Component: 150 - total flux cleaned = 0.00148332 Jy ! Component: 200 - total flux cleaned = 0.00153522 Jy ! Total flux subtracted in 200 components = 0.00153522 Jy ! Clean residual min=-0.002782 max=0.002762 Jy/beam ! Clean residual mean=0.000062 rms=0.000756 Jy/beam ! Combined flux in latest and established models = 1.32045 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 73 components and 1.32045 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.307959Jy sigma=0.001260 ! Fit after self-cal, rms=0.307941Jy sigma=0.001260 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.23% 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 = 0.00038433 Jy ! Component: 100 - total flux cleaned = 0.000540612 Jy ! Component: 150 - total flux cleaned = 0.000542894 Jy ! Component: 200 - total flux cleaned = 0.000631403 Jy ! Total flux subtracted in 200 components = 0.000631403 Jy ! Clean residual min=-0.002673 max=0.002751 Jy/beam ! Clean residual mean=0.000050 rms=0.000736 Jy/beam ! Combined flux in latest and established models = 1.32108 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 78 components and 1.32108 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.307920Jy sigma=0.001260 ! Fit after self-cal, rms=0.307917Jy sigma=0.001260 ! Inverting map ! Your choice of large map pixels excluded 0.23% 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=0.307917Jy sigma=0.001260 ! Fit after self-cal, rms=0.307502Jy sigma=0.001260 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.23% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=2.022 mas, bmaj=4.779 mas, bpa=3.403 degrees ! Estimated noise=629.6 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000963638 Jy ! Component: 100 - total flux cleaned = 0.00108158 Jy ! Component: 150 - total flux cleaned = 0.000943813 Jy ! Component: 200 - total flux cleaned = 0.000862456 Jy ! Total flux subtracted in 200 components = 0.000862457 Jy ! Clean residual min=-0.002218 max=0.002736 Jy/beam ! Clean residual mean=0.000101 rms=0.000783 Jy/beam ! Combined flux in latest and established models = 1.32194 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 86 components and 1.32194 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.307497Jy sigma=0.001260 ! Fit after self-cal, rms=0.307485Jy sigma=0.001260 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.23% 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 = 0.00023681 Jy ! Component: 100 - total flux cleaned = 0.000290744 Jy ! Component: 150 - total flux cleaned = 0.000219562 Jy ! Component: 200 - total flux cleaned = 0.000153595 Jy ! Total flux subtracted in 200 components = 0.000153595 Jy ! Clean residual min=-0.002205 max=0.002630 Jy/beam ! Clean residual mean=0.000097 rms=0.000779 Jy/beam ! Combined flux in latest and established models = 1.3221 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 88 components and 1.3221 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.307490Jy sigma=0.001260 ! Fit after self-cal, rms=0.307487Jy sigma=0.001260 ! Inverting map ! Your choice of large map pixels excluded 0.23% 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 0.23% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.9554 mas, bmaj=2.5 mas, bpa=1.403 degrees ! Estimated noise=522.852 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9554 x 2.5 at 1.403 degrees (North through East) ! Clean map min=-0.0027769 max=1.1748 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=0.307487Jy sigma=0.001260 ! Fit after self-cal, rms=0.384280Jy sigma=0.001143 ! Inverting map and beam ! Your choice of large map pixels excluded 0.23% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.9557 mas, bmaj=2.5 mas, bpa=1.398 degrees ! Estimated noise=522.74 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -1.71641e-05 Jy ! Component: 100 - total flux cleaned = -6.56702e-05 Jy ! Component: 150 - total flux cleaned = -6.3644e-05 Jy ! Component: 200 - total flux cleaned = -2.37399e-05 Jy ! Total flux subtracted in 200 components = -2.37399e-05 Jy ! Clean residual min=-0.002715 max=0.002715 Jy/beam ! Clean residual mean=0.000088 rms=0.000697 Jy/beam ! Combined flux in latest and established models = 1.32207 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 102 components and 1.32207 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.384267Jy sigma=0.001142 ! Fit after self-cal, rms=0.384263Jy sigma=0.001142 ! Inverting map ! Your choice of large map pixels excluded 0.23% 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 = 9.50129e-05 Jy ! Component: 100 - total flux cleaned = 5.66684e-05 Jy ! Component: 150 - total flux cleaned = 2.00337e-05 Jy ! Component: 200 - total flux cleaned = 5.47436e-05 Jy ! Total flux subtracted in 200 components = 5.47436e-05 Jy ! Clean residual min=-0.002636 max=0.002646 Jy/beam ! Clean residual mean=0.000087 rms=0.000688 Jy/beam ! Combined flux in latest and established models = 1.32213 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 103 components and 1.32213 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.384260Jy sigma=0.001142 ! Fit after self-cal, rms=0.384259Jy sigma=0.001142 ! Inverting map ! Your choice of large map pixels excluded 0.23% 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=0.384259Jy sigma=0.001142 ! Fit after self-cal, rms=0.384159Jy sigma=0.001142 print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.23% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.6873 mas, bmaj=1.786 mas, bpa=-3.801 degrees ! Estimated noise=1122 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.856342 Jy ! Component: 100 - total flux cleaned = 1.07864 Jy ! Component: 150 - total flux cleaned = 1.1773 Jy ! Component: 200 - total flux cleaned = 1.23122 Jy ! Total flux subtracted in 200 components = 1.23122 Jy ! Clean residual min=-0.009656 max=0.026051 Jy/beam ! Clean residual mean=0.000377 rms=0.003731 Jy/beam ! Combined flux in latest and established models = 1.23122 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 1.23122 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.23% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.9559 mas, bmaj=2.501 mas, bpa=1.398 degrees ! Estimated noise=522.723 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 = 0.0426593 Jy ! Component: 100 - total flux cleaned = 0.0621076 Jy ! Component: 150 - total flux cleaned = 0.073186 Jy ! Component: 200 - total flux cleaned = 0.0801949 Jy ! Total flux subtracted in 200 components = 0.0801949 Jy ! Clean residual min=-0.003762 max=0.005723 Jy/beam ! Clean residual mean=0.000293 rms=0.001123 Jy/beam ! Combined flux in latest and established models = 1.31142 Jy ! Adding 44 model components to the UV plane model. ! The established model now contains 51 components and 1.31142 Jy ! Inverting map ! Your choice of large map pixels excluded 0.23% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Added new window around map position (-1.4, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00537472 Jy ! Component: 100 - total flux cleaned = 0.00812533 Jy ! Component: 150 - total flux cleaned = 0.0088796 Jy ! Component: 200 - total flux cleaned = 0.00944291 Jy ! Total flux subtracted in 200 components = 0.00944291 Jy ! Clean residual min=-0.003105 max=0.002686 Jy/beam ! Clean residual mean=0.000103 rms=0.000736 Jy/beam ! Combined flux in latest and established models = 1.32086 Jy ! Adding 17 model components to the UV plane model. ! The established model now contains 62 components and 1.32086 Jy ! Inverting map ! Your choice of large map pixels excluded 0.23% 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 0.23% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=2.021 mas, bmaj=4.776 mas, bpa=3.408 degrees ! Estimated noise=629.397 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00170309 Jy ! Component: 100 - total flux cleaned = 0.00157085 Jy ! Component: 150 - total flux cleaned = 0.00157243 Jy ! Component: 200 - total flux cleaned = 0.00157427 Jy ! Total flux subtracted in 200 components = 0.00157427 Jy ! Clean residual min=-0.002427 max=0.002726 Jy/beam ! Clean residual mean=0.000157 rms=0.000754 Jy/beam ! Combined flux in latest and established models = 1.32244 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 = -4.29536e-05 Jy ! Component: 100 - total flux cleaned = -8.25367e-05 Jy ! Component: 150 - total flux cleaned = -0.000152605 Jy ! Component: 200 - total flux cleaned = -0.000183854 Jy ! Total flux subtracted in 200 components = -0.000183854 Jy ! Clean residual min=-0.002375 max=0.002716 Jy/beam ! Clean residual mean=0.000167 rms=0.000741 Jy/beam ! Combined flux in latest and established models = 1.32225 Jy ! Adding 16 model components to the UV plane model. ! The established model now contains 75 components and 1.32225 Jy ! Inverting map ! Your choice of large map pixels excluded 0.23% 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 0.23% of the data. ! The x-axis pixel size should ideally be below 0.1902 milli-arcsec ! Estimated beam: bmin=0.9559 mas, bmaj=2.501 mas, bpa=1.398 degrees ! Estimated noise=522.723 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000564209 Jy ! Component: 100 - total flux cleaned = -0.000635571 Jy ! Component: 150 - total flux cleaned = -0.000636863 Jy ! Component: 200 - total flux cleaned = -0.000637717 Jy ! Total flux subtracted in 200 components = -0.000637717 Jy ! Clean residual min=-0.002801 max=0.002333 Jy/beam ! Clean residual mean=0.000090 rms=0.000657 Jy/beam ! Combined flux in latest and established models = 1.32161 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 89 components and 1.32161 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.384255Jy sigma=0.001142 ! Fit after self-cal, rms=0.384230Jy sigma=0.001142 wmodel J0457-2324_X_1999_03_08_pus_map.mod ! Writing 89 model components to file: J0457-2324_X_1999_03_08_pus_map.mod wobs J0457-2324_X_1999_03_08_pus_uvs.fits ! Writing UV FITS file: J0457-2324_X_1999_03_08_pus_uvs.fits wwins J0457-2324_X_1999_03_08_pus_map.win ! wwins: Wrote 3 windows to J0457-2324_X_1999_03_08_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 0.23% 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 = 1.5346e-05 Jy ! Component: 100 - total flux cleaned = 0.000461394 Jy ! Component: 150 - total flux cleaned = 0.00079945 Jy ! Component: 200 - total flux cleaned = 0.00105071 Jy ! Component: 250 - total flux cleaned = 0.00125946 Jy ! Component: 300 - total flux cleaned = 0.00139536 Jy ! Component: 350 - total flux cleaned = 0.00156035 Jy ! Component: 400 - total flux cleaned = 0.001657 Jy ! Component: 450 - total flux cleaned = 0.00178254 Jy ! Component: 500 - total flux cleaned = 0.00181382 Jy ! Component: 550 - total flux cleaned = 0.00193556 Jy ! Component: 600 - total flux cleaned = 0.00205461 Jy ! Component: 650 - total flux cleaned = 0.00211279 Jy ! Component: 700 - total flux cleaned = 0.00219909 Jy ! Component: 750 - total flux cleaned = 0.00233993 Jy ! Component: 800 - total flux cleaned = 0.00236741 Jy ! Component: 850 - total flux cleaned = 0.0025314 Jy ! Component: 900 - total flux cleaned = 0.00263888 Jy ! Component: 950 - total flux cleaned = 0.00274486 Jy ! Component: 1000 - total flux cleaned = 0.00284985 Jy ! Total flux subtracted in 1024 components = 0.00290172 Jy ! Clean residual min=-0.001336 max=0.001693 Jy/beam ! Clean residual mean=0.000037 rms=0.000525 Jy/beam ! Combined flux in latest and established models = 1.32452 Jy keep ! Adding 55 model components to the UV plane model. ! The established model now contains 144 components and 1.32452 Jy ![Exited script file: muppet] wmap "J0457-2324_X_1999_03_08_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.23% 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: 0.9559 x 2.501 at 1.398 degrees (North through East) ! Clean map min=-0.0026664 max=1.1757 Jy/beam ! Writing clean map to FITS file: J0457-2324_X_1999_03_08_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.17565 invert ! Inverting map ! Your choice of large map pixels excluded 0.23% 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 0.000524252 device "J0457-2324_X_1999_03_08_pus\_map.eps/VPS" ! Attempting to open device: 'J0457-2324_X_1999_03_08_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.133777 0.133777 0.267554 0.535108 1.07022 2.14043 4.28087 8.56173 17.1235 34.2469 68.4938 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0015 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.175 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9559 x 2.501 at 1.398 degrees (North through East) ! Clean map min=-0.0026664 max=1.1757 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0457-2324_X_1999_03_08_pus\_map.gif/vgif" ! Attempting to open device: 'J0457-2324_X_1999_03_08_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0457-2324_X_1999_03_08_pus_uvs.log closed on Thu Jan 3 14:35:26 2008