! Started logfile: /scr/pima/rv125_uvs/J2257+0743_X_dfm.log on Sun Dec 23 02:54:10 2018 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 8.36575 obs /scr/pima/rv125_uvs/J2257+0743_X_uva.fits ! Reading UV FITS file: /scr/pima/rv125_uvs/J2257+0743_X_uva.fits ! AN table 1: 154 integrations on 45 of 45 possible baselines. ! AN table 2: 31 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.273055 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J2257+0743 ! ! 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 8.36575e+09 8e+06 1 8e+06 ! 02 2 8.44575e+09 8e+06 1 8e+06 ! 03 3 8.80575e+09 8e+06 1 8e+06 ! 04 4 8.92575e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 69 lines of history. ! ! Reading 8788 visibilities. select rr, 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ! Restricting channel ranges to the available 4 channels. ! 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 = 1024 print "field_cell =", field_cell ! field_cell = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/opt64/bin/pima_mupet_01.dfm J2257+0743_X] float lim_self lim_self = 120.0 float lim_val lim_va = 1.2 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 print "===============================================================" ! =============================================================== ! print "=== Difmap script: pima_mupet_01.dvm version of 2016.05.19 === " ! === Difmap script: pima_mupet_01.dvm version of 2016.05.19 === ! mapsize field_size, field_cell ! Map grid = 1024x1024 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 824 telescope corrections were flagged in sub-array 1. ! A total of 141 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 824 telescope corrections were flagged in sub-array 1. ! A total of 141 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 953 telescope corrections were flagged in sub-array 1. ! A total of 141 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 953 telescope corrections were flagged in sub-array 1. ! A total of 141 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.031160Jy sigma=15.256651 ! Fit after self-cal, rms=0.775587Jy sigma=11.378336 ! 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 7.14% of the data. ! The x-axis pixel size should ideally be below 0.169 milli-arcsec ! The y-axis pixel size should ideally be below 0.1903 milli-arcsec ! Estimated beam: bmin=0.5758 mas, bmaj=0.972 mas, bpa=-2.375 degrees ! Estimated noise=0.863581 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 = 0.185554 Jy ! Component: 100 - total flux cleaned = 0.259005 Jy ! Total flux subtracted in 100 components = 0.259005 Jy ! Clean residual min=-0.013727 max=0.039062 Jy/beam ! Clean residual mean=0.000032 rms=0.003257 Jy/beam ! Combined flux in latest and established models = 0.259005 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.259005 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.128651Jy sigma=1.700504 ! Fit after self-cal, rms=0.127603Jy sigma=1.685235 ! Inverting map ! Your choice of large map pixels excluded 7.14% of the data. ! The x-axis pixel size should ideally be below 0.169 milli-arcsec ! The y-axis pixel size should ideally be below 0.1903 milli-arcsec ! Added new window around map position (-0.6, -0.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0424389 Jy ! Component: 100 - total flux cleaned = 0.0681205 Jy ! Total flux subtracted in 100 components = 0.0681205 Jy ! Clean residual min=-0.011052 max=0.031015 Jy/beam ! Clean residual mean=0.000028 rms=0.002460 Jy/beam ! Combined flux in latest and established models = 0.327126 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 12 components and 0.327126 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.115296Jy sigma=1.435414 ! Fit after self-cal, rms=0.114171Jy sigma=1.423776 ! Inverting map ! Your choice of large map pixels excluded 7.14% of the data. ! The x-axis pixel size should ideally be below 0.169 milli-arcsec ! The y-axis pixel size should ideally be below 0.1903 milli-arcsec ! Added new window around map position (-1.6, -1.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0289097 Jy ! Component: 100 - total flux cleaned = 0.0443151 Jy ! Total flux subtracted in 100 components = 0.0443151 Jy ! Clean residual min=-0.009401 max=0.014079 Jy/beam ! Clean residual mean=0.000025 rms=0.001989 Jy/beam ! Combined flux in latest and established models = 0.371441 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 24 components and 0.371441 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.110058Jy sigma=1.335487 ! Fit after self-cal, rms=0.108929Jy sigma=1.319824 ! Inverting map ! Your choice of large map pixels excluded 7.14% of the data. ! The x-axis pixel size should ideally be below 0.169 milli-arcsec ! The y-axis pixel size should ideally be below 0.1903 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0139482 Jy ! Component: 100 - total flux cleaned = 0.022704 Jy ! Total flux subtracted in 100 components = 0.022704 Jy ! Clean residual min=-0.008870 max=0.010046 Jy/beam ! Clean residual mean=0.000023 rms=0.001806 Jy/beam ! Combined flux in latest and established models = 0.394145 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 27 components and 0.394145 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.108968Jy sigma=1.319823 ! Fit after self-cal, rms=0.108686Jy sigma=1.316577 ! Inverting map ! Your choice of large map pixels excluded 7.14% of the data. ! The x-axis pixel size should ideally be below 0.169 milli-arcsec ! The y-axis pixel size should ideally be below 0.1903 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 7.14% of the data. ! The x-axis pixel size should ideally be below 0.169 milli-arcsec ! The y-axis pixel size should ideally be below 0.1903 milli-arcsec ! Estimated beam: bmin=0.6449 mas, bmaj=0.8388 mas, bpa=1.705 degrees ! Estimated noise=0.608531 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 = -0.013729 Jy ! Component: 100 - total flux cleaned = -0.0212149 Jy ! Component: 150 - total flux cleaned = -0.0233186 Jy ! Component: 200 - total flux cleaned = -0.0240547 Jy ! Total flux subtracted in 200 components = -0.0240547 Jy ! Clean residual min=-0.016963 max=0.018620 Jy/beam ! Clean residual mean=0.000040 rms=0.004159 Jy/beam ! Combined flux in latest and established models = 0.37009 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 42 components and 0.37009 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.107233Jy sigma=1.286953 ! Fit after self-cal, rms=0.107196Jy sigma=1.286538 ! Inverting map ! Your choice of large map pixels excluded 7.14% of the data. ! The x-axis pixel size should ideally be below 0.169 milli-arcsec ! The y-axis pixel size should ideally be below 0.1903 milli-arcsec print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6449 x 0.8388 at 1.705 degrees (North through East) ! Clean map min=-0.016103 max=0.22676 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 96 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! HH 0.80 HN 1.03 KP 1.00 LA 0.94 ! MC 0.82 NL 1.00 NY 0.86 PT 0.82 ! SC 0.94 WN 1.39 ! ! A total of 36 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 HN 1.02 KP 0.99 LA 0.94 ! MK 1.04 NL 1.08 OV 0.90 PT 0.79 ! SC 1.07 ! ! ! Correcting IF 2. ! A total of 96 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! HH 0.82 HN 1.03 KP 1.01 LA 0.94 ! MC 0.88 NL 1.04 NY 0.97 PT 0.81 ! SC 0.95 WN 1.40 ! ! A total of 36 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 HN 1.00 KP 0.99 LA 0.95 ! MK 1.08 NL 1.05 OV 0.90 PT 0.81 ! SC 1.04 ! ! ! Correcting IF 3. ! A total of 363 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! HH 0.88 HN 1.00 KP 1.02 LA 0.96 ! MC 1.26 NL 1.03 NY 1.00* PT 0.88 ! SC 0.93 WN 1.27 ! ! A total of 36 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 HN 1.02 KP 0.97 LA 0.97 ! MK 1.04 NL 1.04 OV 0.92 PT 0.78 ! SC 1.02 ! ! ! Correcting IF 4. ! A total of 363 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! HH 1.03 HN 1.03 KP 1.02 LA 0.97 ! MC 1.14 NL 1.04 NY 1.00* PT 0.84 ! SC 0.97 WN 1.21 ! ! A total of 36 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 HN 1.05 KP 1.00 LA 0.97 ! MK 1.12 NL 1.04 OV 0.91 PT 0.77 ! SC 0.97 ! ! ! Fit before self-cal, rms=0.107196Jy sigma=1.286538 ! Fit after self-cal, rms=0.087338Jy sigma=0.970734 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 8.41% of the data. ! The x-axis pixel size should ideally be below 0.169 milli-arcsec ! The y-axis pixel size should ideally be below 0.1903 milli-arcsec ! Estimated beam: bmin=0.6132 mas, bmaj=0.9703 mas, bpa=1.585 degrees ! Estimated noise=0.625614 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 (-2.8, -1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00663718 Jy ! Component: 100 - total flux cleaned = 0.00754063 Jy ! Component: 150 - total flux cleaned = 0.00821006 Jy ! Component: 200 - total flux cleaned = 0.00841251 Jy ! Total flux subtracted in 200 components = 0.00841251 Jy ! Clean residual min=-0.003681 max=0.004074 Jy/beam ! Clean residual mean=0.000007 rms=0.000923 Jy/beam ! Combined flux in latest and established models = 0.378503 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 57 components and 0.378503 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.086669Jy sigma=0.954306 ! Fit after self-cal, rms=0.087037Jy sigma=0.951232 ! Inverting map ! Your choice of large map pixels excluded 8.41% of the data. ! The x-axis pixel size should ideally be below 0.169 milli-arcsec ! The y-axis pixel size should ideally be below 0.1903 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=0.087037Jy sigma=0.951232 ! Fit after self-cal, rms=0.085378Jy sigma=0.934167 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 8.41% of the data. ! The x-axis pixel size should ideally be below 0.169 milli-arcsec ! The y-axis pixel size should ideally be below 0.1903 milli-arcsec ! Estimated beam: bmin=0.6142 mas, bmaj=0.9673 mas, bpa=1.451 degrees ! Estimated noise=0.621838 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0026712 Jy ! Component: 100 - total flux cleaned = 0.00340307 Jy ! Component: 150 - total flux cleaned = 0.00372024 Jy ! Component: 200 - total flux cleaned = 0.003995 Jy ! Total flux subtracted in 200 components = 0.003995 Jy ! Clean residual min=-0.002643 max=0.003240 Jy/beam ! Clean residual mean=0.000006 rms=0.000623 Jy/beam ! Combined flux in latest and established models = 0.382498 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 69 components and 0.382498 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.085159Jy sigma=0.929356 ! Fit after self-cal, rms=0.085081Jy sigma=0.928584 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 8.41% of the data. ! The x-axis pixel size should ideally be below 0.169 milli-arcsec ! The y-axis pixel size should ideally be below 0.1903 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 (-41.6, -50.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00234212 Jy ! Component: 100 - total flux cleaned = 0.0032277 Jy ! Component: 150 - total flux cleaned = 0.00359586 Jy ! Component: 200 - total flux cleaned = 0.00370787 Jy ! Total flux subtracted in 200 components = 0.00370787 Jy ! Clean residual min=-0.002505 max=0.002780 Jy/beam ! Clean residual mean=0.000006 rms=0.000600 Jy/beam ! Combined flux in latest and established models = 0.386206 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 78 components and 0.386206 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.084940Jy sigma=0.926225 ! Fit after self-cal, rms=0.084923Jy sigma=0.925920 ! Inverting map ! Your choice of large map pixels excluded 8.41% of the data. ! The x-axis pixel size should ideally be below 0.169 milli-arcsec ! The y-axis pixel size should ideally be below 0.1903 milli-arcsec ! Added new window around map position (-26.6, 26.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00139087 Jy ! Component: 100 - total flux cleaned = 0.00193081 Jy ! Component: 150 - total flux cleaned = 0.00228063 Jy ! Component: 200 - total flux cleaned = 0.00243663 Jy ! Total flux subtracted in 200 components = 0.00243663 Jy ! Clean residual min=-0.002499 max=0.002451 Jy/beam ! Clean residual mean=0.000005 rms=0.000581 Jy/beam ! Combined flux in latest and established models = 0.388642 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 87 components and 0.388642 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.084788Jy sigma=0.923922 ! Fit after self-cal, rms=0.084778Jy sigma=0.923760 ! Inverting map ! Your choice of large map pixels excluded 8.41% of the data. ! The x-axis pixel size should ideally be below 0.169 milli-arcsec ! The y-axis pixel size should ideally be below 0.1903 milli-arcsec ! Added new window around map position (-6.4, 40.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00120959 Jy ! Component: 100 - total flux cleaned = 0.00137744 Jy ! Component: 150 - total flux cleaned = 0.0016698 Jy ! Component: 200 - total flux cleaned = 0.00184644 Jy ! Total flux subtracted in 200 components = 0.00184644 Jy ! Clean residual min=-0.002291 max=0.002443 Jy/beam ! Clean residual mean=0.000005 rms=0.000570 Jy/beam ! Combined flux in latest and established models = 0.390489 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 93 components and 0.390489 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.084676Jy sigma=0.922610 ! Fit after self-cal, rms=0.084664Jy sigma=0.922494 ! Inverting map ! Your choice of large map pixels excluded 8.41% of the data. ! The x-axis pixel size should ideally be below 0.169 milli-arcsec ! The y-axis pixel size should ideally be below 0.1903 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=0.084664Jy sigma=0.922494 ! Fit after self-cal, rms=0.083893Jy sigma=0.917147 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 8.41% of the data. ! The x-axis pixel size should ideally be below 0.169 milli-arcsec ! The y-axis pixel size should ideally be below 0.1903 milli-arcsec ! Estimated beam: bmin=0.6153 mas, bmaj=0.9658 mas, bpa=1.656 degrees ! Estimated noise=0.621205 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00171769 Jy ! Component: 100 - total flux cleaned = 0.00221221 Jy ! Component: 150 - total flux cleaned = 0.00259247 Jy ! Component: 200 - total flux cleaned = 0.00293388 Jy ! Total flux subtracted in 200 components = 0.00293388 Jy ! Clean residual min=-0.002218 max=0.002155 Jy/beam ! Clean residual mean=0.000000 rms=0.000492 Jy/beam ! Combined flux in latest and established models = 0.393423 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 100 components and 0.393423 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.083830Jy sigma=0.915792 ! Fit after self-cal, rms=0.083780Jy sigma=0.915600 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 8.41% of the data. ! The x-axis pixel size should ideally be below 0.169 milli-arcsec ! The y-axis pixel size should ideally be below 0.1903 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 = 0.000578665 Jy ! Component: 100 - total flux cleaned = 0.000867526 Jy ! Component: 150 - total flux cleaned = 0.00105219 Jy ! Component: 200 - total flux cleaned = 0.00118887 Jy ! Total flux subtracted in 200 components = 0.00118887 Jy ! Clean residual min=-0.002191 max=0.002142 Jy/beam ! Clean residual mean=0.000000 rms=0.000486 Jy/beam ! Combined flux in latest and established models = 0.394611 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 103 components and 0.394611 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.083747Jy sigma=0.914993 ! Fit after self-cal, rms=0.083741Jy sigma=0.914925 ! Inverting map ! Your choice of large map pixels excluded 8.41% of the data. ! The x-axis pixel size should ideally be below 0.169 milli-arcsec ! The y-axis pixel size should ideally be below 0.1903 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=0.083741Jy sigma=0.914925 ! Fit after self-cal, rms=0.083413Jy sigma=0.914581 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 8.41% of the data. ! The x-axis pixel size should ideally be below 0.169 milli-arcsec ! The y-axis pixel size should ideally be below 0.1903 milli-arcsec ! Estimated beam: bmin=2.433 mas, bmaj=2.739 mas, bpa=0.894 degrees ! Estimated noise=0.852486 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0015028 Jy ! Component: 100 - total flux cleaned = 0.00174832 Jy ! Component: 150 - total flux cleaned = 0.00187397 Jy ! Component: 200 - total flux cleaned = 0.00195226 Jy ! Total flux subtracted in 200 components = 0.00195226 Jy ! Clean residual min=-0.002145 max=0.002258 Jy/beam ! Clean residual mean=-0.000001 rms=0.000555 Jy/beam ! Combined flux in latest and established models = 0.396564 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 111 components and 0.396564 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.083397Jy sigma=0.914331 ! Fit after self-cal, rms=0.083370Jy sigma=0.914159 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 8.41% of the data. ! The x-axis pixel size should ideally be below 0.169 milli-arcsec ! The y-axis pixel size should ideally be below 0.1903 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 = 0.000325971 Jy ! Component: 100 - total flux cleaned = 0.000332285 Jy ! Component: 150 - total flux cleaned = 0.000330574 Jy ! Component: 200 - total flux cleaned = 0.000350733 Jy ! Total flux subtracted in 200 components = 0.000350733 Jy ! Clean residual min=-0.002104 max=0.002251 Jy/beam ! Clean residual mean=-0.000001 rms=0.000552 Jy/beam ! Combined flux in latest and established models = 0.396914 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 114 components and 0.396914 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.083365Jy sigma=0.914045 ! Fit after self-cal, rms=0.083358Jy sigma=0.913966 ! Inverting map ! Your choice of large map pixels excluded 8.41% of the data. ! The x-axis pixel size should ideally be below 0.169 milli-arcsec ! The y-axis pixel size should ideally be below 0.1903 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 8.41% of the data. ! The x-axis pixel size should ideally be below 0.169 milli-arcsec ! The y-axis pixel size should ideally be below 0.1903 milli-arcsec ! Estimated beam: bmin=0.6157 mas, bmaj=0.9652 mas, bpa=1.739 degrees ! Estimated noise=0.620774 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6157 x 0.9652 at 1.739 degrees (North through East) ! Clean map min=-0.0049091 max=0.22057 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 8.41% of the data. ! The x-axis pixel size should ideally be below 0.169 milli-arcsec ! The y-axis pixel size should ideally be below 0.1903 milli-arcsec ! Estimated beam: bmin=0.5759 mas, bmaj=1.098 mas, bpa=-0.9866 degrees ! Estimated noise=0.859617 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.177297 Jy ! Component: 100 - total flux cleaned = 0.25145 Jy ! Component: 150 - total flux cleaned = 0.295637 Jy ! Component: 200 - total flux cleaned = 0.324366 Jy ! Total flux subtracted in 200 components = 0.324366 Jy ! Clean residual min=-0.006624 max=0.015373 Jy/beam ! Clean residual mean=0.000012 rms=0.001548 Jy/beam ! Combined flux in latest and established models = 0.324366 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 0.324366 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 8.41% of the data. ! The x-axis pixel size should ideally be below 0.169 milli-arcsec ! The y-axis pixel size should ideally be below 0.1903 milli-arcsec ! Estimated beam: bmin=0.6157 mas, bmaj=0.9652 mas, bpa=1.739 degrees ! Estimated noise=0.620774 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 = 0.0246122 Jy ! Component: 100 - total flux cleaned = 0.0398619 Jy ! Component: 150 - total flux cleaned = 0.0497567 Jy ! Component: 200 - total flux cleaned = 0.0565757 Jy ! Total flux subtracted in 200 components = 0.0565757 Jy ! Clean residual min=-0.004139 max=0.004018 Jy/beam ! Clean residual mean=0.000004 rms=0.000752 Jy/beam ! Combined flux in latest and established models = 0.380942 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 35 components and 0.380942 Jy ! Inverting map ! Your choice of large map pixels excluded 8.41% of the data. ! The x-axis pixel size should ideally be below 0.169 milli-arcsec ! The y-axis pixel size should ideally be below 0.1903 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 8.41% of the data. ! The x-axis pixel size should ideally be below 0.169 milli-arcsec ! The y-axis pixel size should ideally be below 0.1903 milli-arcsec ! Estimated beam: bmin=2.433 mas, bmaj=2.739 mas, bpa=0.894 degrees ! Estimated noise=0.852486 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0071812 Jy ! Component: 100 - total flux cleaned = 0.0107239 Jy ! Component: 150 - total flux cleaned = 0.0122489 Jy ! Component: 200 - total flux cleaned = 0.0128579 Jy ! Total flux subtracted in 200 components = 0.0128579 Jy ! Clean residual min=-0.002548 max=0.002420 Jy/beam ! Clean residual mean=0.000000 rms=0.000662 Jy/beam ! Combined flux in latest and established models = 0.3938 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 = 0.000399426 Jy ! Component: 100 - total flux cleaned = 0.000765588 Jy ! Component: 150 - total flux cleaned = 0.00110599 Jy ! Component: 200 - total flux cleaned = 0.00141781 Jy ! Total flux subtracted in 200 components = 0.00141781 Jy ! Clean residual min=-0.002293 max=0.002228 Jy/beam ! Clean residual mean=-0.000000 rms=0.000621 Jy/beam ! Combined flux in latest and established models = 0.395218 Jy ! Adding 39 model components to the UV plane model. ! The established model now contains 70 components and 0.395218 Jy ! Inverting map ! Your choice of large map pixels excluded 8.41% of the data. ! The x-axis pixel size should ideally be below 0.169 milli-arcsec ! The y-axis pixel size should ideally be below 0.1903 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 8.41% of the data. ! The x-axis pixel size should ideally be below 0.169 milli-arcsec ! The y-axis pixel size should ideally be below 0.1903 milli-arcsec ! Estimated beam: bmin=0.6157 mas, bmaj=0.9652 mas, bpa=1.739 degrees ! Estimated noise=0.620774 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00196685 Jy ! Component: 100 - total flux cleaned = 0.00220457 Jy ! Component: 150 - total flux cleaned = 0.00251574 Jy ! Component: 200 - total flux cleaned = 0.00280224 Jy ! Total flux subtracted in 200 components = 0.00280224 Jy ! Clean residual min=-0.003420 max=0.002620 Jy/beam ! Clean residual mean=-0.000001 rms=0.000588 Jy/beam ! Combined flux in latest and established models = 0.39802 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 81 components and 0.39802 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.084238Jy sigma=0.926351 ! Fit after self-cal, rms=0.084103Jy sigma=0.924593 wmodel J2257+0743_X_map.mod ! Writing 81 model components to file: J2257+0743_X_map.mod wobs J2257+0743_X_uvs.fits ! Writing UV FITS file: J2257+0743_X_uvs.fits wwins J2257+0743_X_map.win ! wwins: Wrote 7 windows to J2257+0743_X_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 8.41% of the data. ! The x-axis pixel size should ideally be below 0.169 milli-arcsec ! The y-axis pixel size should ideally be below 0.1903 milli-arcsec ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00111344 Jy ! Component: 100 - total flux cleaned = -0.00142739 Jy ! Component: 150 - total flux cleaned = -0.00172675 Jy ! Component: 200 - total flux cleaned = -0.0020169 Jy ! Component: 250 - total flux cleaned = -0.00245993 Jy ! Component: 300 - total flux cleaned = -0.0027742 Jy ! Component: 350 - total flux cleaned = -0.00285092 Jy ! Component: 400 - total flux cleaned = -0.0031543 Jy ! Component: 450 - total flux cleaned = -0.00326615 Jy ! Component: 500 - total flux cleaned = -0.00333974 Jy ! Component: 550 - total flux cleaned = -0.00352136 Jy ! Component: 600 - total flux cleaned = -0.00377061 Jy ! Component: 650 - total flux cleaned = -0.00380607 Jy ! Component: 700 - total flux cleaned = -0.00394457 Jy ! Component: 750 - total flux cleaned = -0.00411556 Jy ! Component: 800 - total flux cleaned = -0.00404792 Jy ! Component: 850 - total flux cleaned = -0.0042816 Jy ! Component: 900 - total flux cleaned = -0.00418193 Jy ! Component: 950 - total flux cleaned = -0.00434621 Jy ! Component: 1000 - total flux cleaned = -0.00447597 Jy ! Component: 1050 - total flux cleaned = -0.00450788 Jy ! Component: 1100 - total flux cleaned = -0.00463557 Jy ! Component: 1150 - total flux cleaned = -0.00479375 Jy ! Component: 1200 - total flux cleaned = -0.00482541 Jy ! Component: 1250 - total flux cleaned = -0.00485628 Jy ! Component: 1300 - total flux cleaned = -0.00510247 Jy ! Component: 1350 - total flux cleaned = -0.00501087 Jy ! Component: 1400 - total flux cleaned = -0.00513173 Jy ! Component: 1450 - total flux cleaned = -0.00519175 Jy ! Component: 1500 - total flux cleaned = -0.00513199 Jy ! Component: 1550 - total flux cleaned = -0.00519168 Jy ! Component: 1600 - total flux cleaned = -0.00522127 Jy ! Component: 1650 - total flux cleaned = -0.00501752 Jy ! Component: 1700 - total flux cleaned = -0.00507567 Jy ! Component: 1750 - total flux cleaned = -0.00504697 Jy ! Component: 1800 - total flux cleaned = -0.00501846 Jy ! Component: 1850 - total flux cleaned = -0.00510325 Jy ! Component: 1900 - total flux cleaned = -0.0049629 Jy ! Component: 1950 - total flux cleaned = -0.00493494 Jy ! Component: 2000 - total flux cleaned = -0.00487965 Jy ! Component: 2050 - total flux cleaned = -0.00485218 Jy ! Component: 2100 - total flux cleaned = -0.00490698 Jy ! Component: 2150 - total flux cleaned = -0.00479831 Jy ! Component: 2200 - total flux cleaned = -0.00471714 Jy ! Component: 2250 - total flux cleaned = -0.0046633 Jy ! Component: 2300 - total flux cleaned = -0.00450319 Jy ! Component: 2350 - total flux cleaned = -0.00452987 Jy ! Component: 2400 - total flux cleaned = -0.00458269 Jy ! Component: 2450 - total flux cleaned = -0.00450407 Jy ! Component: 2500 - total flux cleaned = -0.00447787 Jy ! Component: 2550 - total flux cleaned = -0.00432202 Jy ! Component: 2600 - total flux cleaned = -0.00447695 Jy ! Component: 2650 - total flux cleaned = -0.00434871 Jy ! Component: 2700 - total flux cleaned = -0.00437422 Jy ! Component: 2750 - total flux cleaned = -0.00432335 Jy ! Component: 2800 - total flux cleaned = -0.0042981 Jy ! Component: 2850 - total flux cleaned = -0.00429818 Jy ! Component: 2900 - total flux cleaned = -0.00417335 Jy ! Component: 2950 - total flux cleaned = -0.0043223 Jy ! Component: 3000 - total flux cleaned = -0.00424823 Jy ! Component: 3050 - total flux cleaned = -0.00427296 Jy ! Component: 3100 - total flux cleaned = -0.00422418 Jy ! Component: 3150 - total flux cleaned = -0.00424824 Jy ! Component: 3200 - total flux cleaned = -0.00432082 Jy ! Component: 3250 - total flux cleaned = -0.00427277 Jy ! Component: 3300 - total flux cleaned = -0.0042726 Jy ! Component: 3350 - total flux cleaned = -0.00429643 Jy ! Component: 3400 - total flux cleaned = -0.00429645 Jy ! Component: 3450 - total flux cleaned = -0.00424938 Jy ! Component: 3500 - total flux cleaned = -0.00436663 Jy ! Component: 3550 - total flux cleaned = -0.0042264 Jy ! Component: 3600 - total flux cleaned = -0.00422657 Jy ! Component: 3650 - total flux cleaned = -0.00420355 Jy ! Component: 3700 - total flux cleaned = -0.00408874 Jy ! Component: 3750 - total flux cleaned = -0.00415744 Jy ! Component: 3800 - total flux cleaned = -0.00415741 Jy ! Component: 3850 - total flux cleaned = -0.00408938 Jy ! Component: 3900 - total flux cleaned = -0.00406673 Jy ! Component: 3950 - total flux cleaned = -0.00411148 Jy ! Component: 4000 - total flux cleaned = -0.00404422 Jy ! Component: 4050 - total flux cleaned = -0.00397727 Jy ! Total flux subtracted in 4096 components = -0.00391083 Jy ! Clean residual min=-0.001249 max=0.001249 Jy/beam ! Clean residual mean=0.000000 rms=0.000359 Jy/beam ! Combined flux in latest and established models = 0.394109 Jy keep ! Adding 337 model components to the UV plane model. ! The established model now contains 417 components and 0.394109 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /scr/pima/rv125_uvs/J2257+0743_X_map.fits ! Inverting map ! Your choice of large map pixels excluded 8.41% of the data. ! The x-axis pixel size should ideally be below 0.169 milli-arcsec ! The y-axis pixel size should ideally be below 0.1903 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6157 x 0.9652 at 1.739 degrees (North through East) ! Clean map min=-0.0025383 max=0.21486 Jy/beam ! Writing clean map to FITS file: /scr/pima/rv125_uvs/J2257+0743_X_map.fits wmodel /scr/pima/rv125_uvs/J2257+0743_X_map.mod ! Writing 417 model components to file: /scr/pima/rv125_uvs/J2257+0743_X_map.mod wobs /scr/pima/rv125_uvs/J2257+0743_X_uvs.fits ! Writing UV FITS file: /scr/pima/rv125_uvs/J2257+0743_X_uvs.fits wwins /scr/pima/rv125_uvs/J2257+0743_X_map.win ! wwins: Wrote 8 windows to /scr/pima/rv125_uvs/J2257+0743_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.214863 invert ! Inverting map ! Your choice of large map pixels excluded 8.41% of the data. ! The x-axis pixel size should ideally be below 0.169 milli-arcsec ! The y-axis pixel size should ideally be below 0.1903 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000358799 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.50097 0.50097 1.00194 2.00388 4.00776 8.01553 16.0311 32.0621 64.1242 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.214 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 598.837 quit ! Quitting program ! Log file /scr/pima/rv125_uvs/J2257+0743_X_dfm.log closed on Sun Dec 23 02:54:15 2018