! Started logfile: J1133+0040_X_2011_08_02_pus_uvs.log on Wed Apr 18 21:52:56 2012 obs J1133+0040_X_2011_08_02_pus_uva.fits ! Reading UV FITS file: J1133+0040_X_2011_08_02_pus_uva.fits ! AN table 1: 145 integrations on 78 of 78 possible baselines. ! AN table 2: 120 integrations on 78 of 78 possible baselines. ! Apparent sampling: 0.367731 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1133+0040 ! ! 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 3146 lines of history. ! ! Reading 30404 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 = 512 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J1133+0040_X_2011_08_02_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 = 512x512 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 622 telescope corrections were flagged in sub-array 1. ! A total of 731 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 622 telescope corrections were flagged in sub-array 1. ! A total of 731 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 622 telescope corrections were flagged in sub-array 1. ! A total of 731 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 622 telescope corrections were flagged in sub-array 1. ! A total of 731 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.712353Jy sigma=0.005819 ! Fit after self-cal, rms=0.646263Jy sigma=0.005290 ! 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 17.3% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.5121 mas, bmaj=1.138 mas, bpa=1.676 degrees ! Estimated noise=947.852 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 = 0.30994 Jy ! Component: 100 - total flux cleaned = 0.405777 Jy ! Total flux subtracted in 100 components = 0.405777 Jy ! Clean residual min=-0.016840 max=0.039367 Jy/beam ! Clean residual mean=0.000358 rms=0.005551 Jy/beam ! Combined flux in latest and established models = 0.405777 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.405777 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.209279Jy sigma=0.001550 ! Fit after self-cal, rms=0.209159Jy sigma=0.001548 ! Inverting map ! Your choice of large map pixels excluded 17.3% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0402527 Jy ! Component: 100 - total flux cleaned = 0.0570879 Jy ! Total flux subtracted in 100 components = 0.0570879 Jy ! Clean residual min=-0.016463 max=0.016342 Jy/beam ! Clean residual mean=0.000158 rms=0.003768 Jy/beam ! Combined flux in latest and established models = 0.462865 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 16 components and 0.462865 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.198823Jy sigma=0.001442 ! Fit after self-cal, rms=0.198646Jy sigma=0.001442 ! Inverting map ! Your choice of large map pixels excluded 17.3% of the data. ! The x-axis pixel size should ideally be below 0.1634 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 17.3% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.6668 mas, bmaj=1.533 mas, bpa=-0.9002 degrees ! Estimated noise=505.111 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 = 0.0213326 Jy ! Component: 100 - total flux cleaned = 0.0290015 Jy ! Component: 150 - total flux cleaned = 0.0324985 Jy ! Component: 200 - total flux cleaned = 0.0334538 Jy ! Total flux subtracted in 200 components = 0.0334538 Jy ! Clean residual min=-0.019701 max=0.015686 Jy/beam ! Clean residual mean=0.000072 rms=0.004964 Jy/beam ! Combined flux in latest and established models = 0.496319 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 23 components and 0.496319 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.196943Jy sigma=0.001427 ! Fit after self-cal, rms=0.196911Jy sigma=0.001426 ! Inverting map ! Your choice of large map pixels excluded 17.3% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.90 FT 1.00* HH 1.11 ! HN 1.08 KP 0.89 LA 1.00 MK 1.00* ! NL 0.95 OV 1.02 PT 1.03 TS 1.00* ! WZ 1.12 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.90 FT 1.00* HH 1.00 ! HN 1.05 KP 0.87 LA 1.00 MK 1.00* ! NL 0.90 OV 1.00* PT 1.05 TS 1.00* ! WZ 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.91 FT 1.00* HH 1.04 ! HN 1.14 KP 0.86 LA 1.01 MK 1.00* ! NL 1.08 OV 1.06 PT 1.11 TS 1.00* ! WZ 0.96 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.93 FT 1.00* HH 0.99 ! HN 1.10 KP 0.84 LA 1.02 MK 1.00* ! NL 1.05 OV 1.00* PT 1.14 TS 1.00* ! WZ 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.91 FT 1.00* HH 1.09 ! HN 1.09 KP 0.78 LA 1.01 MK 1.00* ! NL 1.04 OV 1.05 PT 1.04 TS 1.00* ! WZ 0.89 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.90 FT 1.00* HH 1.04 ! HN 1.07 KP 0.78 LA 1.02 MK 1.00* ! NL 1.00 OV 1.00* PT 1.05 TS 1.00* ! WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.98 FT 1.00* HH 1.20 ! HN 1.10 KP 0.85 LA 1.06 MK 1.00* ! NL 1.07 OV 1.09 PT 1.13 TS 1.00* ! WZ 0.95 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.99 FT 1.00* HH 1.07 ! HN 1.06 KP 0.84 LA 1.08 MK 1.00* ! NL 1.01 OV 1.00* PT 1.16 TS 1.00* ! WZ 1.00* ! ! ! Fit before self-cal, rms=0.196911Jy sigma=0.001426 ! Fit after self-cal, rms=0.197985Jy sigma=0.001344 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 17.3% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.6649 mas, bmaj=1.597 mas, bpa=-2.11 degrees ! Estimated noise=505.769 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 = -9.56661e-05 Jy ! Component: 100 - total flux cleaned = -3.31526e-05 Jy ! Component: 150 - total flux cleaned = -2.8876e-05 Jy ! Component: 200 - total flux cleaned = 2.68154e-05 Jy ! Total flux subtracted in 200 components = 2.68154e-05 Jy ! Clean residual min=-0.003571 max=0.004449 Jy/beam ! Clean residual mean=0.000006 rms=0.001027 Jy/beam ! Combined flux in latest and established models = 0.496346 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 27 components and 0.496346 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.197962Jy sigma=0.001344 ! Fit after self-cal, rms=0.198199Jy sigma=0.001343 ! Inverting map ! Your choice of large map pixels excluded 17.3% of the data. ! The x-axis pixel size should ideally be below 0.1634 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=0.198199Jy sigma=0.001343 ! Fit after self-cal, rms=0.200160Jy sigma=0.001342 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 17.3% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.6662 mas, bmaj=1.614 mas, bpa=-2.278 degrees ! Estimated noise=506.65 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000131912 Jy ! Component: 100 - total flux cleaned = 0.000185598 Jy ! Component: 150 - total flux cleaned = 0.000184137 Jy ! Component: 200 - total flux cleaned = 0.000233759 Jy ! Total flux subtracted in 200 components = 0.000233759 Jy ! Clean residual min=-0.003643 max=0.004518 Jy/beam ! Clean residual mean=-0.000010 rms=0.000965 Jy/beam ! Combined flux in latest and established models = 0.496579 Jy selfcal ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 27 components and 0.496579 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.200145Jy sigma=0.001342 ! Fit after self-cal, rms=0.200131Jy sigma=0.001342 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 17.3% of the data. ! The x-axis pixel size should ideally be below 0.1634 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 (-4.8, 13.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00280912 Jy ! Component: 100 - total flux cleaned = 0.00353156 Jy ! Component: 150 - total flux cleaned = 0.00375346 Jy ! Component: 200 - total flux cleaned = 0.00389118 Jy ! Total flux subtracted in 200 components = 0.00389118 Jy ! Clean residual min=-0.003911 max=0.003287 Jy/beam ! Clean residual mean=0.000002 rms=0.000859 Jy/beam ! Combined flux in latest and established models = 0.500471 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 38 components and 0.500471 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.200060Jy sigma=0.001341 ! Fit after self-cal, rms=0.200041Jy sigma=0.001341 ! Inverting map ! Your choice of large map pixels excluded 17.3% of the data. ! The x-axis pixel size should ideally be below 0.1634 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=0.200041Jy sigma=0.001341 ! Fit after self-cal, rms=0.201971Jy sigma=0.001341 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 17.3% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.6675 mas, bmaj=1.628 mas, bpa=-2.419 degrees ! Estimated noise=507.399 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000355135 Jy ! Component: 100 - total flux cleaned = 0.000357195 Jy ! Component: 150 - total flux cleaned = 0.000359144 Jy ! Component: 200 - total flux cleaned = 0.000360601 Jy ! Total flux subtracted in 200 components = 0.000360601 Jy ! Clean residual min=-0.003868 max=0.003260 Jy/beam ! Clean residual mean=-0.000004 rms=0.000846 Jy/beam ! Combined flux in latest and established models = 0.500831 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 38 components and 0.500831 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.201956Jy sigma=0.001341 ! Fit after self-cal, rms=0.201951Jy sigma=0.001341 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 17.3% of the data. ! The x-axis pixel size should ideally be below 0.1634 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 = -3.54449e-05 Jy ! Component: 100 - total flux cleaned = -7.52166e-05 Jy ! Component: 150 - total flux cleaned = -3.51794e-05 Jy ! Component: 200 - total flux cleaned = -3.65649e-05 Jy ! Total flux subtracted in 200 components = -3.65649e-05 Jy ! Clean residual min=-0.003799 max=0.003274 Jy/beam ! Clean residual mean=-0.000004 rms=0.000839 Jy/beam ! Combined flux in latest and established models = 0.500795 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 40 components and 0.500795 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.201946Jy sigma=0.001341 ! Fit after self-cal, rms=0.201936Jy sigma=0.001341 ! Inverting map ! Your choice of large map pixels excluded 17.3% of the data. ! The x-axis pixel size should ideally be below 0.1634 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=0.201936Jy sigma=0.001341 ! Fit after self-cal, rms=0.203917Jy sigma=0.001341 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 17.3% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=2.455 mas, bmaj=6.075 mas, bpa=-28.87 degrees ! Estimated noise=593.345 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000246731 Jy ! Component: 100 - total flux cleaned = -0.000269137 Jy ! Component: 150 - total flux cleaned = -0.00026865 Jy ! Component: 200 - total flux cleaned = -0.000268915 Jy ! Total flux subtracted in 200 components = -0.000268915 Jy ! Clean residual min=-0.003837 max=0.004280 Jy/beam ! Clean residual mean=-0.000010 rms=0.001001 Jy/beam ! Combined flux in latest and established models = 0.500526 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 52 components and 0.500526 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.203916Jy sigma=0.001341 ! Fit after self-cal, rms=0.203917Jy sigma=0.001341 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 17.3% of the data. ! The x-axis pixel size should ideally be below 0.1634 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 = -4.59801e-05 Jy ! Component: 100 - total flux cleaned = -4.61436e-05 Jy ! Component: 150 - total flux cleaned = -6.24325e-05 Jy ! Component: 200 - total flux cleaned = -7.79561e-05 Jy ! Total flux subtracted in 200 components = -7.79561e-05 Jy ! Clean residual min=-0.003799 max=0.004300 Jy/beam ! Clean residual mean=-0.000010 rms=0.000994 Jy/beam ! Combined flux in latest and established models = 0.500448 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 55 components and 0.500448 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.203912Jy sigma=0.001341 ! Fit after self-cal, rms=0.203908Jy sigma=0.001341 ! Inverting map ! Your choice of large map pixels excluded 17.3% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Added new window around map position (7.4, -7.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00280341 Jy ! Component: 100 - total flux cleaned = 0.00273702 Jy ! Component: 150 - total flux cleaned = 0.0025337 Jy ! Component: 200 - total flux cleaned = 0.00236439 Jy ! Total flux subtracted in 200 components = 0.00236439 Jy ! Clean residual min=-0.002620 max=0.002602 Jy/beam ! Clean residual mean=-0.000007 rms=0.000689 Jy/beam ! Combined flux in latest and established models = 0.502812 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 80 components and 0.502812 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.203874Jy sigma=0.001340 ! Fit after self-cal, rms=0.203873Jy sigma=0.001340 ! Inverting map ! Your choice of large map pixels excluded 17.3% of the data. ! The x-axis pixel size should ideally be below 0.1634 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 17.3% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.6685 mas, bmaj=1.643 mas, bpa=-2.561 degrees ! Estimated noise=508.015 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6685 x 1.643 at -2.561 degrees (North through East) ! Clean map min=-0.0025137 max=0.39646 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 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 17.3% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.508 mas, bmaj=1.211 mas, bpa=-0.421 degrees ! Estimated noise=979.93 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.318695 Jy ! Component: 100 - total flux cleaned = 0.418671 Jy ! Component: 150 - total flux cleaned = 0.460151 Jy ! Component: 200 - total flux cleaned = 0.477524 Jy ! Total flux subtracted in 200 components = 0.477524 Jy ! Clean residual min=-0.006085 max=0.007784 Jy/beam ! Clean residual mean=0.000051 rms=0.001600 Jy/beam ! Combined flux in latest and established models = 0.477524 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 14 model components to the UV plane model. ! The established model now contains 14 components and 0.477524 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 17.3% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.6685 mas, bmaj=1.643 mas, bpa=-2.561 degrees ! Estimated noise=508.015 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 = 0.0108402 Jy ! Component: 100 - total flux cleaned = 0.0153341 Jy ! Component: 150 - total flux cleaned = 0.0177678 Jy ! Component: 200 - total flux cleaned = 0.0192116 Jy ! Total flux subtracted in 200 components = 0.0192116 Jy ! Clean residual min=-0.003278 max=0.002713 Jy/beam ! Clean residual mean=0.000007 rms=0.000772 Jy/beam ! Combined flux in latest and established models = 0.496735 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 39 components and 0.496735 Jy ! Inverting map ! Your choice of large map pixels excluded 17.3% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec uvw 0,2 ! Uniform weighting is not currently selected. ! Amplitude error weighting is not currently selected. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 17.3% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! Estimated beam: bmin=0.6883 mas, bmaj=1.295 mas, bpa=7.906 degrees ! Estimated noise=596.749 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000343228 Jy ! Component: 100 - total flux cleaned = -0.0002284 Jy ! Component: 150 - total flux cleaned = -1.82874e-05 Jy ! Component: 200 - total flux cleaned = 0.000357432 Jy ! Total flux subtracted in 200 components = 0.000357432 Jy ! Clean residual min=-0.003528 max=0.003272 Jy/beam ! Clean residual mean=0.000002 rms=0.000784 Jy/beam ! Combined flux in latest and established models = 0.497093 Jy clean ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000254805 Jy ! Component: 100 - total flux cleaned = 0.000490229 Jy ! Component: 150 - total flux cleaned = 0.000711401 Jy ! Component: 200 - total flux cleaned = 0.000983645 Jy ! Total flux subtracted in 200 components = 0.000983645 Jy ! Clean residual min=-0.003279 max=0.003069 Jy/beam ! Clean residual mean=-0.000000 rms=0.000718 Jy/beam ! Combined flux in latest and established models = 0.498076 Jy selfcal ! Performing phase self-cal ! Adding 43 model components to the UV plane model. ! The established model now contains 73 components and 0.498076 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.204354Jy sigma=0.001341 ! Fit after self-cal, rms=0.204030Jy sigma=0.001340 wmodel J1133+0040_X_2011_08_02_pus_map.mod ! Writing 73 model components to file: J1133+0040_X_2011_08_02_pus_map.mod wobs J1133+0040_X_2011_08_02_pus_uvs.fits ! Writing UV FITS file: J1133+0040_X_2011_08_02_pus_uvs.fits wwins J1133+0040_X_2011_08_02_pus_map.win ! wwins: Wrote 3 windows to J1133+0040_X_2011_08_02_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 17.3% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000421615 Jy ! Component: 100 - total flux cleaned = -0.000565199 Jy ! Component: 150 - total flux cleaned = -0.000974059 Jy ! Component: 200 - total flux cleaned = -0.0014936 Jy ! Component: 250 - total flux cleaned = -0.00182339 Jy ! Component: 300 - total flux cleaned = -0.00226367 Jy ! Component: 350 - total flux cleaned = -0.00276793 Jy ! Component: 400 - total flux cleaned = -0.00321935 Jy ! Component: 450 - total flux cleaned = -0.00369419 Jy ! Component: 500 - total flux cleaned = -0.00415443 Jy ! Component: 550 - total flux cleaned = -0.00446447 Jy ! Component: 600 - total flux cleaned = -0.00466745 Jy ! Component: 650 - total flux cleaned = -0.00493043 Jy ! Component: 700 - total flux cleaned = -0.00521858 Jy ! Component: 750 - total flux cleaned = -0.00543717 Jy ! Component: 800 - total flux cleaned = -0.00549818 Jy ! Component: 850 - total flux cleaned = -0.0057395 Jy ! Component: 900 - total flux cleaned = -0.00594517 Jy ! Component: 950 - total flux cleaned = -0.00597324 Jy ! Component: 1000 - total flux cleaned = -0.0060017 Jy ! Component: 1050 - total flux cleaned = -0.00605755 Jy ! Component: 1100 - total flux cleaned = -0.00608471 Jy ! Component: 1150 - total flux cleaned = -0.00613844 Jy ! Component: 1200 - total flux cleaned = -0.00605858 Jy ! Component: 1250 - total flux cleaned = -0.00613719 Jy ! Component: 1300 - total flux cleaned = -0.00611134 Jy ! Component: 1350 - total flux cleaned = -0.00601 Jy ! Component: 1400 - total flux cleaned = -0.00605996 Jy ! Component: 1450 - total flux cleaned = -0.0060352 Jy ! Component: 1500 - total flux cleaned = -0.00601092 Jy ! Component: 1550 - total flux cleaned = -0.00608292 Jy ! Component: 1600 - total flux cleaned = -0.00613007 Jy ! Component: 1650 - total flux cleaned = -0.00615363 Jy ! Component: 1700 - total flux cleaned = -0.00615341 Jy ! Component: 1750 - total flux cleaned = -0.0061995 Jy ! Component: 1800 - total flux cleaned = -0.00626698 Jy ! Component: 1850 - total flux cleaned = -0.00628915 Jy ! Component: 1900 - total flux cleaned = -0.00635519 Jy ! Component: 1950 - total flux cleaned = -0.00639856 Jy ! Component: 2000 - total flux cleaned = -0.00644138 Jy ! Total flux subtracted in 2048 components = -0.00654767 Jy ! Clean residual min=-0.001345 max=0.001333 Jy/beam ! Clean residual mean=-0.000008 rms=0.000391 Jy/beam ! Combined flux in latest and established models = 0.491529 Jy keep ! Adding 124 model components to the UV plane model. ! The established model now contains 197 components and 0.491529 Jy ![Exited script file: muppet] wmap "J1133+0040_X_2011_08_02_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 17.3% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6883 x 1.295 at 7.906 degrees (North through East) ! Clean map min=-0.0022585 max=0.3795 Jy/beam ! Writing clean map to FITS file: J1133+0040_X_2011_08_02_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.379503 invert ! Inverting map ! Your choice of large map pixels excluded 17.3% of the data. ! The x-axis pixel size should ideally be below 0.1634 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000385673 device "J1133+0040_X_2011_08_02_pus\_map.eps/VPS" ! Attempting to open device: 'J1133+0040_X_2011_08_02_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.304878 0.304878 0.609756 1.21951 2.43902 4.87805 9.75609 19.5122 39.0244 78.0487 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0011 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.379 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6883 x 1.295 at 7.906 degrees (North through East) ! Clean map min=-0.0022585 max=0.3795 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1133+0040_X_2011_08_02_pus\_map.gif/vgif" ! Attempting to open device: 'J1133+0040_X_2011_08_02_pus_map.gif/vgif' mapplot cln