! Started logfile: J1744+5542_X_2009_04_21_pus_uvs.log on Sun Jan 23 16:46:28 2011 obs J1744+5542_X_2009_04_21_pus_uva.fits ! Reading UV FITS file: J1744+5542_X_2009_04_21_pus_uva.fits ! AN table 1: 379 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.729068 visibilities/baseline/integration-bin. ! Found source: J1744+5542 ! ! 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 3297 lines of history. ! ! Reading 132632 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 J1744+5542_X_2009_04_21_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 899 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 899 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 899 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 899 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.966482Jy sigma=0.011222 ! Fit after self-cal, rms=0.886541Jy sigma=0.010361 ! 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 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! Estimated beam: bmin=0.4765 mas, bmaj=0.5734 mas, bpa=-25.19 degrees ! Estimated noise=407.138 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 = 0.0847685 Jy ! Component: 100 - total flux cleaned = 0.117323 Jy ! Total flux subtracted in 100 components = 0.117323 Jy ! Clean residual min=-0.005383 max=0.015996 Jy/beam ! Clean residual mean=-0.000014 rms=0.001272 Jy/beam ! Combined flux in latest and established models = 0.117323 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.117323 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.155037Jy sigma=0.001673 ! Fit after self-cal, rms=0.154706Jy sigma=0.001669 ! Inverting map ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0194156 Jy ! Component: 100 - total flux cleaned = 0.0303287 Jy ! Total flux subtracted in 100 components = 0.0303287 Jy ! Clean residual min=-0.004299 max=0.013062 Jy/beam ! Clean residual mean=-0.000014 rms=0.001067 Jy/beam ! Combined flux in latest and established models = 0.147651 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.147651 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.150259Jy sigma=0.001620 ! Fit after self-cal, rms=0.150179Jy sigma=0.001619 ! Inverting map ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! Added new window around map position (-0.8, -0.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0116718 Jy ! Component: 100 - total flux cleaned = 0.0183364 Jy ! Total flux subtracted in 100 components = 0.0183364 Jy ! Clean residual min=-0.003841 max=0.009277 Jy/beam ! Clean residual mean=-0.000014 rms=0.000981 Jy/beam ! Combined flux in latest and established models = 0.165988 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 13 components and 0.165988 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.148415Jy sigma=0.001601 ! Fit after self-cal, rms=0.148276Jy sigma=0.001600 ! Inverting map ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! Added new window around map position (-1.6, -0.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00789968 Jy ! Component: 100 - total flux cleaned = 0.0128474 Jy ! Total flux subtracted in 100 components = 0.0128474 Jy ! Clean residual min=-0.003651 max=0.006131 Jy/beam ! Clean residual mean=-0.000014 rms=0.000924 Jy/beam ! Combined flux in latest and established models = 0.178835 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 22 components and 0.178835 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.147450Jy sigma=0.001591 ! Fit after self-cal, rms=0.147372Jy sigma=0.001590 ! Inverting map ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1628 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 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! Estimated beam: bmin=0.5839 mas, bmaj=0.6769 mas, bpa=-24.41 degrees ! Estimated noise=182.027 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 (-2.4, -1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0102906 Jy ! Component: 100 - total flux cleaned = 0.0170878 Jy ! Component: 150 - total flux cleaned = 0.0219991 Jy ! Component: 200 - total flux cleaned = 0.0256685 Jy ! Total flux subtracted in 200 components = 0.0256685 Jy ! Clean residual min=-0.003899 max=0.004737 Jy/beam ! Clean residual mean=-0.000135 rms=0.000957 Jy/beam ! Combined flux in latest and established models = 0.204504 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 43 components and 0.204504 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.146499Jy sigma=0.001581 ! Fit after self-cal, rms=0.146417Jy sigma=0.001580 ! Inverting map ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.83 HN 1.17 KB 1.40 ! KK 1.13 KP 0.91 LA 1.03 MK 1.01 ! NL 0.98 NY 1.00* OV 1.00 PT 0.99 ! SC 0.98 TS 1.04 WZ 1.25 ZC 1.28 ! ! ! Correcting IF 2. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.84 HN 1.16 KB 1.26 ! KK 1.08 KP 0.85 LA 1.03 MK 0.98 ! NL 0.97 NY 1.00* OV 0.98 PT 1.02 ! SC 1.01 TS 1.02 WZ 1.35 ZC 1.21 ! ! ! Correcting IF 3. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.85 HN 1.13 KB 0.84 ! KK 1.10 KP 0.77 LA 1.05 MK 1.00 ! NL 1.03 NY 1.00* OV 0.99 PT 1.04 ! SC 1.04 TS 0.99 WZ 0.99 ZC 0.99 ! ! ! Correcting IF 4. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.83 HN 1.14 KB 0.88 ! KK 1.10 KP 0.82 LA 1.06 MK 0.99 ! NL 1.00 NY 1.00* OV 1.01 PT 1.03 ! SC 1.04 TS 0.96 WZ 1.05 ZC 1.03 ! ! ! Fit before self-cal, rms=0.146417Jy sigma=0.001580 ! Fit after self-cal, rms=0.150970Jy sigma=0.001562 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! Estimated beam: bmin=0.5975 mas, bmaj=0.6876 mas, bpa=-26.22 degrees ! Estimated noise=185.661 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 (-4.8, -2.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00233497 Jy ! Component: 100 - total flux cleaned = 0.00308133 Jy ! Component: 150 - total flux cleaned = 0.00345324 Jy ! Component: 200 - total flux cleaned = 0.00370939 Jy ! Total flux subtracted in 200 components = 0.00370939 Jy ! Clean residual min=-0.002040 max=0.001811 Jy/beam ! Clean residual mean=-0.000054 rms=0.000459 Jy/beam ! Combined flux in latest and established models = 0.208213 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 61 components and 0.208213 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.150858Jy sigma=0.001561 ! Fit after self-cal, rms=0.150961Jy sigma=0.001560 ! Inverting map ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1628 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=0.150961Jy sigma=0.001560 ! Fit after self-cal, rms=0.152594Jy sigma=0.001553 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! Estimated beam: bmin=0.5991 mas, bmaj=0.6854 mas, bpa=-24.89 degrees ! Estimated noise=185.774 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000143151 Jy ! Component: 100 - total flux cleaned = 0.000619676 Jy ! Component: 150 - total flux cleaned = 0.00125986 Jy ! Component: 200 - total flux cleaned = 0.00167463 Jy ! Total flux subtracted in 200 components = 0.00167463 Jy ! Clean residual min=-0.001384 max=0.001804 Jy/beam ! Clean residual mean=0.000002 rms=0.000339 Jy/beam ! Combined flux in latest and established models = 0.209888 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 71 components and 0.209888 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.152558Jy sigma=0.001553 ! Fit after self-cal, rms=0.152678Jy sigma=0.001553 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1628 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 (-12.2, -4.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00134048 Jy ! Component: 100 - total flux cleaned = 0.00211581 Jy ! Component: 150 - total flux cleaned = 0.00284456 Jy ! Component: 200 - total flux cleaned = 0.00342479 Jy ! Total flux subtracted in 200 components = 0.00342479 Jy ! Clean residual min=-0.001282 max=0.001359 Jy/beam ! Clean residual mean=-0.000016 rms=0.000312 Jy/beam ! Combined flux in latest and established models = 0.213313 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 92 components and 0.213313 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.152651Jy sigma=0.001552 ! Fit after self-cal, rms=0.152653Jy sigma=0.001552 ! Inverting map ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1628 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=0.152653Jy sigma=0.001552 ! Fit after self-cal, rms=0.153310Jy sigma=0.001552 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! Estimated beam: bmin=0.6014 mas, bmaj=0.6852 mas, bpa=-24.28 degrees ! Estimated noise=185.809 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000138166 Jy ! Component: 100 - total flux cleaned = 0.000484146 Jy ! Component: 150 - total flux cleaned = 0.00101137 Jy ! Component: 200 - total flux cleaned = 0.00125771 Jy ! Total flux subtracted in 200 components = 0.00125771 Jy ! Clean residual min=-0.001238 max=0.001323 Jy/beam ! Clean residual mean=-0.000007 rms=0.000299 Jy/beam ! Combined flux in latest and established models = 0.21457 Jy selfcal ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 101 components and 0.21457 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.153297Jy sigma=0.001552 ! Fit after self-cal, rms=0.153302Jy sigma=0.001552 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1628 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 (-15, -5.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000985254 Jy ! Component: 100 - total flux cleaned = 0.00154245 Jy ! Component: 150 - total flux cleaned = 0.00186312 Jy ! Component: 200 - total flux cleaned = 0.00209447 Jy ! Total flux subtracted in 200 components = 0.00209447 Jy ! Clean residual min=-0.001219 max=0.001276 Jy/beam ! Clean residual mean=-0.000019 rms=0.000288 Jy/beam ! Combined flux in latest and established models = 0.216665 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 114 components and 0.216665 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.153288Jy sigma=0.001552 ! Fit after self-cal, rms=0.153288Jy sigma=0.001552 ! Inverting map ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! Added new window around map position (16, -12). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000769863 Jy ! Component: 100 - total flux cleaned = 0.000941059 Jy ! Component: 150 - total flux cleaned = 0.0010158 Jy ! Component: 200 - total flux cleaned = 0.00111135 Jy ! Total flux subtracted in 200 components = 0.00111135 Jy ! Clean residual min=-0.001233 max=0.001119 Jy/beam ! Clean residual mean=-0.000025 rms=0.000284 Jy/beam ! Combined flux in latest and established models = 0.217776 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 127 components and 0.217776 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.153277Jy sigma=0.001552 ! Fit after self-cal, rms=0.153277Jy sigma=0.001552 ! Inverting map ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1628 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=0.153277Jy sigma=0.001552 ! Fit after self-cal, rms=0.153324Jy sigma=0.001551 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! Estimated beam: bmin=2.23 mas, bmaj=3.102 mas, bpa=43.74 degrees ! Estimated noise=299.107 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00123518 Jy ! Component: 100 - total flux cleaned = 0.00161086 Jy ! Component: 150 - total flux cleaned = 0.00179276 Jy ! Component: 200 - total flux cleaned = 0.00187909 Jy ! Total flux subtracted in 200 components = 0.00187909 Jy ! Clean residual min=-0.001475 max=0.001319 Jy/beam ! Clean residual mean=-0.000081 rms=0.000416 Jy/beam ! Combined flux in latest and established models = 0.219655 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 135 components and 0.219655 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.153320Jy sigma=0.001551 ! Fit after self-cal, rms=0.153319Jy sigma=0.001551 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1628 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 = 0.00030828 Jy ! Component: 100 - total flux cleaned = 0.000400771 Jy ! Component: 150 - total flux cleaned = 0.000433223 Jy ! Component: 200 - total flux cleaned = 0.000476653 Jy ! Total flux subtracted in 200 components = 0.000476653 Jy ! Clean residual min=-0.001471 max=0.001219 Jy/beam ! Clean residual mean=-0.000092 rms=0.000408 Jy/beam ! Combined flux in latest and established models = 0.220132 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 139 components and 0.220132 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.153318Jy sigma=0.001551 ! Fit after self-cal, rms=0.153318Jy sigma=0.001551 ! Inverting map ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1628 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 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! Estimated beam: bmin=0.603 mas, bmaj=0.6852 mas, bpa=-23.93 degrees ! Estimated noise=185.778 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.603 x 0.6852 at -23.93 degrees (North through East) ! Clean map min=-0.0009782 max=0.11486 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 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! Estimated beam: bmin=0.4849 mas, bmaj=0.5759 mas, bpa=-24.99 degrees ! Estimated noise=427.228 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0876645 Jy ! Component: 100 - total flux cleaned = 0.121308 Jy ! Component: 150 - total flux cleaned = 0.141102 Jy ! Component: 200 - total flux cleaned = 0.154462 Jy ! Total flux subtracted in 200 components = 0.154462 Jy ! Clean residual min=-0.003078 max=0.007477 Jy/beam ! Clean residual mean=0.000001 rms=0.000872 Jy/beam ! Combined flux in latest and established models = 0.154462 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 12 model components to the UV plane model. ! The established model now contains 12 components and 0.154462 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! Estimated beam: bmin=0.603 mas, bmaj=0.6852 mas, bpa=-23.93 degrees ! Estimated noise=185.778 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 = 0.0162573 Jy ! Component: 100 - total flux cleaned = 0.0262394 Jy ! Component: 150 - total flux cleaned = 0.0331695 Jy ! Component: 200 - total flux cleaned = 0.0383133 Jy ! Total flux subtracted in 200 components = 0.0383133 Jy ! Clean residual min=-0.001532 max=0.003404 Jy/beam ! Clean residual mean=0.000112 rms=0.000513 Jy/beam ! Combined flux in latest and established models = 0.192775 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 42 components and 0.192775 Jy ! Inverting map ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! Added new window around map position (-3.6, -1.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00401066 Jy ! Component: 100 - total flux cleaned = 0.00711304 Jy ! Component: 150 - total flux cleaned = 0.00968987 Jy ! Component: 200 - total flux cleaned = 0.0118611 Jy ! Total flux subtracted in 200 components = 0.0118611 Jy ! Clean residual min=-0.001360 max=0.001773 Jy/beam ! Clean residual mean=0.000055 rms=0.000363 Jy/beam ! Combined flux in latest and established models = 0.204636 Jy ! Adding 46 model components to the UV plane model. ! The established model now contains 73 components and 0.204636 Jy ! Inverting map ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! Added new window around map position (-6, -2.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00197009 Jy ! Component: 100 - total flux cleaned = 0.00362932 Jy ! Component: 150 - total flux cleaned = 0.00509023 Jy ! Component: 200 - total flux cleaned = 0.00638125 Jy ! Total flux subtracted in 200 components = 0.00638125 Jy ! Clean residual min=-0.001293 max=0.001153 Jy/beam ! Clean residual mean=0.000023 rms=0.000310 Jy/beam ! Combined flux in latest and established models = 0.211017 Jy ! Adding 53 model components to the UV plane model. ! The established model now contains 101 components and 0.211017 Jy ! Inverting map ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1628 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 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! Estimated beam: bmin=2.23 mas, bmaj=3.102 mas, bpa=43.74 degrees ! Estimated noise=299.107 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00296059 Jy ! Component: 100 - total flux cleaned = 0.00488325 Jy ! Component: 150 - total flux cleaned = 0.00622461 Jy ! Component: 200 - total flux cleaned = 0.00719679 Jy ! Total flux subtracted in 200 components = 0.00719679 Jy ! Clean residual min=-0.001548 max=0.001162 Jy/beam ! Clean residual mean=-0.000053 rms=0.000436 Jy/beam ! Combined flux in latest and established models = 0.218214 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 = 0.000681303 Jy ! Component: 100 - total flux cleaned = 0.000968193 Jy ! Component: 150 - total flux cleaned = 0.00121327 Jy ! Component: 200 - total flux cleaned = 0.00144012 Jy ! Total flux subtracted in 200 components = 0.00144012 Jy ! Clean residual min=-0.001479 max=0.001120 Jy/beam ! Clean residual mean=-0.000082 rms=0.000408 Jy/beam ! Combined flux in latest and established models = 0.219654 Jy ! Adding 59 model components to the UV plane model. ! The established model now contains 142 components and 0.219654 Jy ! Inverting map ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! Estimated beam: bmin=0.603 mas, bmaj=0.6852 mas, bpa=-23.93 degrees ! Estimated noise=185.778 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000140198 Jy ! Component: 100 - total flux cleaned = -0.000173835 Jy ! Component: 150 - total flux cleaned = -0.000199025 Jy ! Component: 200 - total flux cleaned = -0.000172901 Jy ! Total flux subtracted in 200 components = -0.000172901 Jy ! Clean residual min=-0.001172 max=0.000999 Jy/beam ! Clean residual mean=-0.000020 rms=0.000271 Jy/beam ! Combined flux in latest and established models = 0.219481 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 160 components and 0.219481 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.153304Jy sigma=0.001551 ! Fit after self-cal, rms=0.153292Jy sigma=0.001551 wmodel J1744+5542_X_2009_04_21_pus_map.mod ! Writing 160 model components to file: J1744+5542_X_2009_04_21_pus_map.mod wobs J1744+5542_X_2009_04_21_pus_uvs.fits ! Writing UV FITS file: J1744+5542_X_2009_04_21_pus_uvs.fits wwins J1744+5542_X_2009_04_21_pus_map.win ! wwins: Wrote 10 windows to J1744+5542_X_2009_04_21_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 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000506371 Jy ! Component: 100 - total flux cleaned = -0.000759178 Jy ! Component: 150 - total flux cleaned = -0.00100096 Jy ! Component: 200 - total flux cleaned = -0.0012351 Jy ! Component: 250 - total flux cleaned = -0.00142827 Jy ! Component: 300 - total flux cleaned = -0.00161759 Jy ! Component: 350 - total flux cleaned = -0.00171899 Jy ! Component: 400 - total flux cleaned = -0.00183548 Jy ! Component: 450 - total flux cleaned = -0.00196664 Jy ! Component: 500 - total flux cleaned = -0.00206361 Jy ! Component: 550 - total flux cleaned = -0.00220725 Jy ! Component: 600 - total flux cleaned = -0.00227032 Jy ! Component: 650 - total flux cleaned = -0.00237964 Jy ! Component: 700 - total flux cleaned = -0.00245693 Jy ! Component: 750 - total flux cleaned = -0.0025333 Jy ! Component: 800 - total flux cleaned = -0.00256383 Jy ! Component: 850 - total flux cleaned = -0.00268412 Jy ! Component: 900 - total flux cleaned = -0.00271398 Jy ! Component: 950 - total flux cleaned = -0.00277322 Jy ! Component: 1000 - total flux cleaned = -0.00278798 Jy ! Component: 1050 - total flux cleaned = -0.00287562 Jy ! Component: 1100 - total flux cleaned = -0.00287565 Jy ! Component: 1150 - total flux cleaned = -0.00290452 Jy ! Component: 1200 - total flux cleaned = -0.00297617 Jy ! Component: 1250 - total flux cleaned = -0.0030186 Jy ! Component: 1300 - total flux cleaned = -0.00303277 Jy ! Component: 1350 - total flux cleaned = -0.00307479 Jy ! Component: 1400 - total flux cleaned = -0.00306082 Jy ! Component: 1450 - total flux cleaned = -0.00306088 Jy ! Component: 1500 - total flux cleaned = -0.00312982 Jy ! Component: 1550 - total flux cleaned = -0.00311607 Jy ! Component: 1600 - total flux cleaned = -0.00315701 Jy ! Component: 1650 - total flux cleaned = -0.00317062 Jy ! Component: 1700 - total flux cleaned = -0.00319762 Jy ! Component: 1750 - total flux cleaned = -0.00326477 Jy ! Component: 1800 - total flux cleaned = -0.00325139 Jy ! Component: 1850 - total flux cleaned = -0.00327792 Jy ! Component: 1900 - total flux cleaned = -0.00327789 Jy ! Component: 1950 - total flux cleaned = -0.00330422 Jy ! Component: 2000 - total flux cleaned = -0.00327805 Jy ! Total flux subtracted in 2048 components = -0.00334339 Jy ! Clean residual min=-0.000654 max=0.000654 Jy/beam ! Clean residual mean=-0.000004 rms=0.000233 Jy/beam ! Combined flux in latest and established models = 0.216138 Jy keep ! Adding 197 model components to the UV plane model. ! The established model now contains 357 components and 0.216138 Jy ![Exited script file: muppet] wmap "J1744+5542_X_2009_04_21_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.603 x 0.6852 at -23.93 degrees (North through East) ! Clean map min=-0.00090473 max=0.11476 Jy/beam ! Writing clean map to FITS file: J1744+5542_X_2009_04_21_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.114758 invert ! Inverting map ! Your choice of large map pixels excluded 5.21% of the data. ! The x-axis pixel size should ideally be below 0.1628 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000233123 device "J1744+5542_X_2009_04_21_pus\_map.eps/VPS" ! Attempting to open device: 'J1744+5542_X_2009_04_21_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.609428 0.609428 1.21886 2.43771 4.87543 9.75085 19.5017 39.0034 78.0068 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.114 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.603 x 0.6852 at -23.93 degrees (North through East) ! Clean map min=-0.00090473 max=0.11476 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1744+5542_X_2009_04_21_pus\_map.gif/vgif" ! Attempting to open device: 'J1744+5542_X_2009_04_21_pus_map.gif/vgif' mapplot cln