! Started logfile: J1557-0001_X_2009_04_21_pus_uvs.log on Sun Jan 23 16:45:17 2011 obs J1557-0001_X_2009_04_21_pus_uva.fits ! Reading UV FITS file: J1557-0001_X_2009_04_21_pus_uva.fits ! AN table 1: 81 integrations on 120 of 120 possible baselines. ! AN table 2: 200 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.272776 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1557-0001 ! ! 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 36792 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 J1557-0001_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 905 telescope corrections were flagged in sub-array 1. ! A total of 1395 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 905 telescope corrections were flagged in sub-array 1. ! A total of 1396 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 905 telescope corrections were flagged in sub-array 1. ! A total of 1395 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 905 telescope corrections were flagged in sub-array 1. ! A total of 1395 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.925899Jy sigma=0.007488 ! Fit after self-cal, rms=0.669207Jy sigma=0.005418 ! 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 0.992% of the data. ! The x-axis pixel size should ideally be below 0.1773 milli-arcsec ! Estimated beam: bmin=0.555 mas, bmaj=1.727 mas, bpa=-6.436 degrees ! Estimated noise=745.978 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 = 0.260618 Jy ! Component: 100 - total flux cleaned = 0.325751 Jy ! Total flux subtracted in 100 components = 0.325751 Jy ! Clean residual min=-0.013059 max=0.027001 Jy/beam ! Clean residual mean=0.000114 rms=0.002520 Jy/beam ! Combined flux in latest and established models = 0.325751 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.325751 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.197611Jy sigma=0.001376 ! Fit after self-cal, rms=0.197607Jy sigma=0.001376 ! Inverting map ! Your choice of large map pixels excluded 0.992% of the data. ! The x-axis pixel size should ideally be below 0.1773 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0291994 Jy ! Component: 100 - total flux cleaned = 0.0451798 Jy ! Total flux subtracted in 100 components = 0.0451798 Jy ! Clean residual min=-0.012667 max=0.012103 Jy/beam ! Clean residual mean=0.000044 rms=0.002025 Jy/beam ! Combined flux in latest and established models = 0.370931 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 24 components and 0.370931 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.189440Jy sigma=0.001300 ! Fit after self-cal, rms=0.189429Jy sigma=0.001300 ! Inverting map ! Your choice of large map pixels excluded 0.992% of the data. ! The x-axis pixel size should ideally be below 0.1773 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 0.992% of the data. ! The x-axis pixel size should ideally be below 0.1773 milli-arcsec ! Estimated beam: bmin=0.6362 mas, bmaj=2.119 mas, bpa=-8.794 degrees ! Estimated noise=465.75 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 (0.8, -0.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0262093 Jy ! Component: 100 - total flux cleaned = 0.0406357 Jy ! Component: 150 - total flux cleaned = 0.0487118 Jy ! Component: 200 - total flux cleaned = 0.0515844 Jy ! Total flux subtracted in 200 components = 0.0515844 Jy ! Clean residual min=-0.010628 max=0.009765 Jy/beam ! Clean residual mean=0.000047 rms=0.002541 Jy/beam ! Combined flux in latest and established models = 0.422516 Jy ! Performing phase self-cal ! Adding 45 model components to the UV plane model. ! The established model now contains 59 components and 0.422515 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.185482Jy sigma=0.001268 ! Fit after self-cal, rms=0.185361Jy sigma=0.001267 ! Inverting map ! Your choice of large map pixels excluded 0.992% of the data. ! The x-axis pixel size should ideally be below 0.1773 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 36 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.85 HN 1.30 KB 1.00* ! KK 1.10 KP 0.91 LA 1.13 MK 1.00 ! NL 1.04 NY 1.00* OV 1.03 PT 1.04 ! SC 1.03 TS 0.94 WZ 1.00* ZC 1.26 ! ! A total of 21 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.84 HN 1.08 KB 1.00* ! KK 1.10 KP 0.92 LA 1.12 MK 0.98 ! NL 0.98 NY 1.06 OV 1.03 PT 1.02 ! SC 1.00 TS 1.00* WZ 1.00 ZC 1.00* ! ! ! Correcting IF 2. ! A total of 36 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.87 HN 1.17 KB 1.00* ! KK 1.09 KP 0.84 LA 1.08 MK 0.96 ! NL 1.02 NY 1.00* OV 1.00 PT 1.07 ! SC 1.09 TS 0.92 WZ 1.00* ZC 1.15 ! ! A total of 21 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.85 HN 1.10 KB 1.00* ! KK 1.06 KP 0.87 LA 1.09 MK 0.91 ! NL 0.97 NY 1.05 OV 0.99 PT 1.05 ! SC 1.00 TS 1.00* WZ 1.02 ZC 1.00* ! ! ! Correcting IF 3. ! A total of 36 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.86 HN 1.26 KB 1.00* ! KK 1.14 KP 0.76 LA 1.15 MK 0.99 ! NL 1.04 NY 1.00* OV 1.02 PT 1.07 ! SC 1.09 TS 0.90 WZ 1.00* ZC 0.93 ! ! A total of 21 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 0.85 HN 1.11 KB 1.00* ! KK 1.08 KP 0.80 LA 1.10 MK 0.91 ! NL 1.00 NY 1.08 OV 1.02 PT 1.06 ! SC 1.04 TS 1.00* WZ 1.00 ZC 1.00* ! ! ! Correcting IF 4. ! A total of 36 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.88 HN 1.26 KB 1.00* ! KK 1.17 KP 0.82 LA 1.09 MK 1.02 ! NL 1.06 NY 1.00* OV 1.21 PT 1.08 ! SC 1.06 TS 0.85 WZ 1.00* ZC 0.93 ! ! A total of 21 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 0.85 HN 1.11 KB 1.00* ! KK 1.07 KP 0.83 LA 1.08 MK 0.89 ! NL 0.99 NY 1.02 OV 1.02 PT 1.05 ! SC 1.03 TS 1.00* WZ 1.03 ZC 1.00* ! ! ! Fit before self-cal, rms=0.185361Jy sigma=0.001267 ! Fit after self-cal, rms=0.176992Jy sigma=0.001212 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.977% of the data. ! The x-axis pixel size should ideally be below 0.1773 milli-arcsec ! Estimated beam: bmin=0.6405 mas, bmaj=2.143 mas, bpa=-8.946 degrees ! Estimated noise=464.48 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 = -0.000184562 Jy ! Component: 100 - total flux cleaned = -0.000344271 Jy ! Component: 150 - total flux cleaned = -0.000276693 Jy ! Component: 200 - total flux cleaned = -0.000282427 Jy ! Total flux subtracted in 200 components = -0.000282427 Jy ! Clean residual min=-0.002633 max=0.003095 Jy/beam ! Clean residual mean=0.000007 rms=0.000728 Jy/beam ! Combined flux in latest and established models = 0.422233 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 70 components and 0.422233 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.176924Jy sigma=0.001211 ! Fit after self-cal, rms=0.177043Jy sigma=0.001211 ! Inverting map ! Your choice of large map pixels excluded 0.977% of the data. ! The x-axis pixel size should ideally be below 0.1773 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=0.177043Jy sigma=0.001211 ! Fit after self-cal, rms=0.177522Jy sigma=0.001209 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.977% of the data. ! The x-axis pixel size should ideally be below 0.1773 milli-arcsec ! Estimated beam: bmin=0.641 mas, bmaj=2.142 mas, bpa=-8.928 degrees ! Estimated noise=464.082 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00046083 Jy ! Component: 100 - total flux cleaned = -0.000555461 Jy ! Component: 150 - total flux cleaned = -0.000513835 Jy ! Component: 200 - total flux cleaned = -0.000475792 Jy ! Total flux subtracted in 200 components = -0.000475792 Jy ! Clean residual min=-0.002536 max=0.003122 Jy/beam ! Clean residual mean=0.000011 rms=0.000677 Jy/beam ! Combined flux in latest and established models = 0.421757 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 79 components and 0.421757 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177497Jy sigma=0.001209 ! Fit after self-cal, rms=0.177511Jy sigma=0.001209 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.977% of the data. ! The x-axis pixel size should ideally be below 0.1773 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 (3.2, -1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.003024 Jy ! Component: 100 - total flux cleaned = 0.00433217 Jy ! Component: 150 - total flux cleaned = 0.00448927 Jy ! Component: 200 - total flux cleaned = 0.00453679 Jy ! Total flux subtracted in 200 components = 0.00453679 Jy ! Clean residual min=-0.002394 max=0.002188 Jy/beam ! Clean residual mean=0.000006 rms=0.000621 Jy/beam ! Combined flux in latest and established models = 0.426294 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 100 components and 0.426294 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177458Jy sigma=0.001208 ! Fit after self-cal, rms=0.177450Jy sigma=0.001208 ! Inverting map ! Your choice of large map pixels excluded 0.977% of the data. ! The x-axis pixel size should ideally be below 0.1773 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=0.177450Jy sigma=0.001208 ! Fit after self-cal, rms=0.177615Jy sigma=0.001207 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.977% of the data. ! The x-axis pixel size should ideally be below 0.1773 milli-arcsec ! Estimated beam: bmin=0.6413 mas, bmaj=2.141 mas, bpa=-8.91 degrees ! Estimated noise=463.982 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00102643 Jy ! Component: 100 - total flux cleaned = 0.00131479 Jy ! Component: 150 - total flux cleaned = 0.00143746 Jy ! Component: 200 - total flux cleaned = 0.00143767 Jy ! Total flux subtracted in 200 components = 0.00143767 Jy ! Clean residual min=-0.002287 max=0.002042 Jy/beam ! Clean residual mean=0.000005 rms=0.000582 Jy/beam ! Combined flux in latest and established models = 0.427732 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 112 components and 0.427732 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177593Jy sigma=0.001207 ! Fit after self-cal, rms=0.177592Jy sigma=0.001207 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.977% of the data. ! The x-axis pixel size should ideally be below 0.1773 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 = 0.000273215 Jy ! Component: 100 - total flux cleaned = 0.000240823 Jy ! Component: 150 - total flux cleaned = 0.000210112 Jy ! Component: 200 - total flux cleaned = 0.000181191 Jy ! Total flux subtracted in 200 components = 0.000181191 Jy ! Clean residual min=-0.002324 max=0.002017 Jy/beam ! Clean residual mean=0.000005 rms=0.000579 Jy/beam ! Combined flux in latest and established models = 0.427913 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 114 components and 0.427913 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177582Jy sigma=0.001207 ! Fit after self-cal, rms=0.177580Jy sigma=0.001207 ! Inverting map ! Your choice of large map pixels excluded 0.977% of the data. ! The x-axis pixel size should ideally be below 0.1773 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=0.177580Jy sigma=0.001207 ! Fit after self-cal, rms=0.177776Jy sigma=0.001207 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.977% of the data. ! The x-axis pixel size should ideally be below 0.1773 milli-arcsec ! Estimated beam: bmin=2.461 mas, bmaj=3.267 mas, bpa=-12.97 degrees ! Estimated noise=597.099 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00103649 Jy ! Component: 100 - total flux cleaned = 0.00111531 Jy ! Component: 150 - total flux cleaned = 0.00114729 Jy ! Component: 200 - total flux cleaned = 0.00117281 Jy ! Total flux subtracted in 200 components = 0.00117281 Jy ! Clean residual min=-0.002404 max=0.002032 Jy/beam ! Clean residual mean=0.000012 rms=0.000708 Jy/beam ! Combined flux in latest and established models = 0.429086 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 127 components and 0.429086 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177775Jy sigma=0.001207 ! Fit after self-cal, rms=0.177774Jy sigma=0.001207 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.977% of the data. ! The x-axis pixel size should ideally be below 0.1773 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 = 0.000269453 Jy ! Component: 100 - total flux cleaned = 0.000230004 Jy ! Component: 150 - total flux cleaned = 0.000212103 Jy ! Component: 200 - total flux cleaned = 0.000181017 Jy ! Total flux subtracted in 200 components = 0.000181017 Jy ! Clean residual min=-0.002409 max=0.002060 Jy/beam ! Clean residual mean=0.000012 rms=0.000713 Jy/beam ! Combined flux in latest and established models = 0.429267 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 134 components and 0.429267 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177776Jy sigma=0.001207 ! Fit after self-cal, rms=0.177776Jy sigma=0.001207 ! Inverting map ! Your choice of large map pixels excluded 0.977% of the data. ! The x-axis pixel size should ideally be below 0.1773 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 0.977% of the data. ! The x-axis pixel size should ideally be below 0.1773 milli-arcsec ! Estimated beam: bmin=0.6418 mas, bmaj=2.142 mas, bpa=-8.901 degrees ! Estimated noise=463.904 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6418 x 2.142 at -8.901 degrees (North through East) ! Clean map min=-0.0020373 max=0.3449 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 0.977% of the data. ! The x-axis pixel size should ideally be below 0.1773 milli-arcsec ! Estimated beam: bmin=0.5566 mas, bmaj=1.731 mas, bpa=-6.536 degrees ! Estimated noise=772.025 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.263007 Jy ! Component: 100 - total flux cleaned = 0.329137 Jy ! Component: 150 - total flux cleaned = 0.358402 Jy ! Component: 200 - total flux cleaned = 0.373565 Jy ! Total flux subtracted in 200 components = 0.373565 Jy ! Clean residual min=-0.004309 max=0.007821 Jy/beam ! Clean residual mean=0.000022 rms=0.001159 Jy/beam ! Combined flux in latest and established models = 0.373566 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 23 model components to the UV plane model. ! The established model now contains 23 components and 0.373566 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.977% of the data. ! The x-axis pixel size should ideally be below 0.1773 milli-arcsec ! Estimated beam: bmin=0.6418 mas, bmaj=2.142 mas, bpa=-8.901 degrees ! Estimated noise=463.904 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 = 0.0190096 Jy ! Component: 100 - total flux cleaned = 0.0295857 Jy ! Component: 150 - total flux cleaned = 0.0363822 Jy ! Component: 200 - total flux cleaned = 0.0412368 Jy ! Total flux subtracted in 200 components = 0.0412368 Jy ! Clean residual min=-0.002692 max=0.003194 Jy/beam ! Clean residual mean=0.000025 rms=0.000781 Jy/beam ! Combined flux in latest and established models = 0.414803 Jy ! Adding 81 model components to the UV plane model. ! The established model now contains 89 components and 0.414803 Jy ! Inverting map ! Your choice of large map pixels excluded 0.977% of the data. ! The x-axis pixel size should ideally be below 0.1773 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 0.977% of the data. ! The x-axis pixel size should ideally be below 0.1773 milli-arcsec ! Estimated beam: bmin=2.461 mas, bmaj=3.267 mas, bpa=-12.97 degrees ! Estimated noise=597.099 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00624701 Jy ! Component: 100 - total flux cleaned = 0.00983626 Jy ! Component: 150 - total flux cleaned = 0.0119973 Jy ! Component: 200 - total flux cleaned = 0.013318 Jy ! Total flux subtracted in 200 components = 0.013318 Jy ! Clean residual min=-0.002504 max=0.002034 Jy/beam ! Clean residual mean=0.000017 rms=0.000713 Jy/beam ! Combined flux in latest and established models = 0.428121 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 = 0.000812217 Jy ! Component: 100 - total flux cleaned = 0.0010346 Jy ! Component: 150 - total flux cleaned = 0.001126 Jy ! Component: 200 - total flux cleaned = 0.00114179 Jy ! Total flux subtracted in 200 components = 0.00114179 Jy ! Clean residual min=-0.002496 max=0.002072 Jy/beam ! Clean residual mean=0.000014 rms=0.000706 Jy/beam ! Combined flux in latest and established models = 0.429262 Jy ! Adding 54 model components to the UV plane model. ! The established model now contains 130 components and 0.429262 Jy ! Inverting map ! Your choice of large map pixels excluded 0.977% of the data. ! The x-axis pixel size should ideally be below 0.1773 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.977% of the data. ! The x-axis pixel size should ideally be below 0.1773 milli-arcsec ! Estimated beam: bmin=0.6418 mas, bmaj=2.142 mas, bpa=-8.901 degrees ! Estimated noise=463.904 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -9.65173e-05 Jy ! Component: 100 - total flux cleaned = -0.000177465 Jy ! Component: 150 - total flux cleaned = -0.000176986 Jy ! Component: 200 - total flux cleaned = -0.000210661 Jy ! Total flux subtracted in 200 components = -0.000210661 Jy ! Clean residual min=-0.002288 max=0.002139 Jy/beam ! Clean residual mean=0.000007 rms=0.000567 Jy/beam ! Combined flux in latest and established models = 0.429052 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 148 components and 0.429052 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177776Jy sigma=0.001207 ! Fit after self-cal, rms=0.177756Jy sigma=0.001207 wmodel J1557-0001_X_2009_04_21_pus_map.mod ! Writing 148 model components to file: J1557-0001_X_2009_04_21_pus_map.mod wobs J1557-0001_X_2009_04_21_pus_uvs.fits ! Writing UV FITS file: J1557-0001_X_2009_04_21_pus_uvs.fits wwins J1557-0001_X_2009_04_21_pus_map.win ! wwins: Wrote 3 windows to J1557-0001_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 0.977% of the data. ! The x-axis pixel size should ideally be below 0.1773 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000306758 Jy ! Component: 100 - total flux cleaned = -0.000490733 Jy ! Component: 150 - total flux cleaned = -0.000526059 Jy ! Component: 200 - total flux cleaned = -0.000767943 Jy ! Component: 250 - total flux cleaned = -0.0010031 Jy ! Component: 300 - total flux cleaned = -0.0012987 Jy ! Component: 350 - total flux cleaned = -0.00152339 Jy ! Component: 400 - total flux cleaned = -0.00174405 Jy ! Component: 450 - total flux cleaned = -0.00189865 Jy ! Component: 500 - total flux cleaned = -0.00204994 Jy ! Component: 550 - total flux cleaned = -0.00202013 Jy ! Component: 600 - total flux cleaned = -0.00213679 Jy ! Component: 650 - total flux cleaned = -0.00207883 Jy ! Component: 700 - total flux cleaned = -0.00210728 Jy ! Component: 750 - total flux cleaned = -0.00213506 Jy ! Component: 800 - total flux cleaned = -0.00210766 Jy ! Component: 850 - total flux cleaned = -0.00210757 Jy ! Component: 900 - total flux cleaned = -0.00213468 Jy ! Component: 950 - total flux cleaned = -0.00216114 Jy ! Component: 1000 - total flux cleaned = -0.00213497 Jy ! Component: 1050 - total flux cleaned = -0.00213508 Jy ! Component: 1100 - total flux cleaned = -0.00210915 Jy ! Component: 1150 - total flux cleaned = -0.00200739 Jy ! Component: 1200 - total flux cleaned = -0.00205792 Jy ! Component: 1250 - total flux cleaned = -0.001933 Jy ! Component: 1300 - total flux cleaned = -0.00185912 Jy ! Component: 1350 - total flux cleaned = -0.00183433 Jy ! Component: 1400 - total flux cleaned = -0.00176202 Jy ! Component: 1450 - total flux cleaned = -0.00173805 Jy ! Component: 1500 - total flux cleaned = -0.00164291 Jy ! Component: 1550 - total flux cleaned = -0.00169021 Jy ! Component: 1600 - total flux cleaned = -0.00171329 Jy ! Component: 1650 - total flux cleaned = -0.00164354 Jy ! Component: 1700 - total flux cleaned = -0.00164368 Jy ! Component: 1750 - total flux cleaned = -0.0016435 Jy ! Component: 1800 - total flux cleaned = -0.00162112 Jy ! Component: 1850 - total flux cleaned = -0.00166602 Jy ! Component: 1900 - total flux cleaned = -0.00164403 Jy ! Component: 1950 - total flux cleaned = -0.00164425 Jy ! Component: 2000 - total flux cleaned = -0.00160012 Jy ! Total flux subtracted in 2048 components = -0.00164393 Jy ! Clean residual min=-0.001231 max=0.001344 Jy/beam ! Clean residual mean=0.000002 rms=0.000411 Jy/beam ! Combined flux in latest and established models = 0.427408 Jy keep ! Adding 155 model components to the UV plane model. ! The established model now contains 303 components and 0.427408 Jy ![Exited script file: muppet] wmap "J1557-0001_X_2009_04_21_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 0.977% of the data. ! The x-axis pixel size should ideally be below 0.1773 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6418 x 2.142 at -8.901 degrees (North through East) ! Clean map min=-0.0019617 max=0.3462 Jy/beam ! Writing clean map to FITS file: J1557-0001_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 0.346198 invert ! Inverting map ! Your choice of large map pixels excluded 0.977% of the data. ! The x-axis pixel size should ideally be below 0.1773 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000411469 device "J1557-0001_X_2009_04_21_pus\_map.eps/VPS" ! Attempting to open device: 'J1557-0001_X_2009_04_21_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.356561 0.356561 0.713121 1.42624 2.85249 5.70497 11.4099 22.8199 45.6398 91.2795 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0012 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.346 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6418 x 2.142 at -8.901 degrees (North through East) ! Clean map min=-0.0019617 max=0.3462 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1557-0001_X_2009_04_21_pus\_map.gif/vgif" ! Attempting to open device: 'J1557-0001_X_2009_04_21_pus_map.gif/vgif' mapplot cln