! Started logfile: /scr/pima/rv121_uvs/J1802-3940_X_dfm.log on Sat Jul 28 00:42:54 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/rv121_uvs/J1802-3940_X_uva.fits ! Reading UV FITS file: /scr/pima/rv121_uvs/J1802-3940_X_uva.fits ! AN table 1: 17 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.407563 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1802-3940 ! ! 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 74 lines of history. ! ! Reading 776 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 J1802-3940_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 72 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 72 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 72 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 72 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.432151Jy sigma=19.206828 ! Fit after self-cal, rms=0.191573Jy sigma=2.382597 ! 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 0.617% of the data. ! The x-axis pixel size should ideally be below 0.1996 milli-arcsec ! Estimated beam: bmin=0.7005 mas, bmaj=2.241 mas, bpa=-1.874 degrees ! Estimated noise=2.80749 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 = 0.718302 Jy ! Component: 100 - total flux cleaned = 0.891961 Jy ! Total flux subtracted in 100 components = 0.891961 Jy ! Clean residual min=-0.036102 max=0.073912 Jy/beam ! Clean residual mean=-0.000000 rms=0.012068 Jy/beam ! Combined flux in latest and established models = 0.891961 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.891961 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.192318Jy sigma=2.523347 ! Fit after self-cal, rms=0.192285Jy sigma=2.523029 ! Inverting map ! Your choice of large map pixels excluded 0.617% of the data. ! The x-axis pixel size should ideally be below 0.1996 milli-arcsec ! Added new window around map position (1.2, 2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0843256 Jy ! Component: 100 - total flux cleaned = 0.135036 Jy ! Total flux subtracted in 100 components = 0.135036 Jy ! Clean residual min=-0.027131 max=0.056935 Jy/beam ! Clean residual mean=0.000027 rms=0.007839 Jy/beam ! Combined flux in latest and established models = 1.027 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 18 components and 1.027 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.137458Jy sigma=1.726262 ! Fit after self-cal, rms=0.135727Jy sigma=1.700572 ! Inverting map ! Your choice of large map pixels excluded 0.617% of the data. ! The x-axis pixel size should ideally be below 0.1996 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 0.617% of the data. ! The x-axis pixel size should ideally be below 0.1996 milli-arcsec ! Estimated beam: bmin=0.846 mas, bmaj=2.517 mas, bpa=-2.028 degrees ! Estimated noise=2.19546 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 = 0.0532865 Jy ! Component: 100 - total flux cleaned = 0.0818364 Jy ! Component: 150 - total flux cleaned = 0.0979658 Jy ! Component: 200 - total flux cleaned = 0.103016 Jy ! Total flux subtracted in 200 components = 0.103016 Jy ! Clean residual min=-0.027360 max=0.041911 Jy/beam ! Clean residual mean=0.000040 rms=0.007378 Jy/beam ! Combined flux in latest and established models = 1.13001 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 33 components and 1.13001 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.115287Jy sigma=1.383353 ! Fit after self-cal, rms=0.113154Jy sigma=1.351439 ! Inverting map ! Your choice of large map pixels excluded 0.617% of the data. ! The x-axis pixel size should ideally be below 0.1996 milli-arcsec print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.846 x 2.517 at -2.028 degrees (North through East) ! Clean map min=-0.02378 max=0.90287 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.96 KP 0.97 LA 1.01 MK 1.06 ! NL 1.18 OV 0.97 PT 0.99 SC 1.00 ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 KP 0.96 LA 1.01 MK 1.04 ! NL 1.22 OV 0.96 PT 0.99 SC 1.02 ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.96 KP 0.96 LA 1.01 MK 1.01 ! NL 1.22 OV 0.96 PT 0.98 SC 1.02 ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.96 KP 0.95 LA 1.02 MK 1.01 ! NL 1.21 OV 0.96 PT 0.99 SC 1.01 ! ! ! Fit before self-cal, rms=0.113154Jy sigma=1.351439 ! Fit after self-cal, rms=0.087434Jy sigma=0.971848 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 0.641% of the data. ! The x-axis pixel size should ideally be below 0.1996 milli-arcsec ! Estimated beam: bmin=0.8678 mas, bmaj=2.485 mas, bpa=-1.919 degrees ! Estimated noise=2.27321 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 = -0.010016 Jy ! Component: 100 - total flux cleaned = -0.0108438 Jy ! Component: 150 - total flux cleaned = -0.011776 Jy ! Component: 200 - total flux cleaned = -0.012591 Jy ! Total flux subtracted in 200 components = -0.012591 Jy ! Clean residual min=-0.014571 max=0.017456 Jy/beam ! Clean residual mean=0.000065 rms=0.003536 Jy/beam ! Combined flux in latest and established models = 1.11742 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 47 components and 1.11742 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.084514Jy sigma=0.942709 ! Fit after self-cal, rms=0.084204Jy sigma=0.939024 ! Inverting map ! Your choice of large map pixels excluded 0.641% of the data. ! The x-axis pixel size should ideally be below 0.1996 milli-arcsec ! Added new window around map position (-8, 27.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0162735 Jy ! Component: 100 - total flux cleaned = 0.0163853 Jy ! Component: 150 - total flux cleaned = 0.015638 Jy ! Component: 200 - total flux cleaned = 0.015417 Jy ! Total flux subtracted in 200 components = 0.015417 Jy ! Clean residual min=-0.012974 max=0.013258 Jy/beam ! Clean residual mean=0.000031 rms=0.003049 Jy/beam ! Combined flux in latest and established models = 1.13284 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 73 components and 1.13284 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.079980Jy sigma=0.898687 ! Fit after self-cal, rms=0.079461Jy sigma=0.891029 ! Inverting map ! Your choice of large map pixels excluded 0.641% of the data. ! The x-axis pixel size should ideally be below 0.1996 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=0.079461Jy sigma=0.891029 ! Fit after self-cal, rms=0.074819Jy sigma=0.835366 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.641% of the data. ! The x-axis pixel size should ideally be below 0.1996 milli-arcsec ! Estimated beam: bmin=0.8698 mas, bmaj=2.495 mas, bpa=-1.923 degrees ! Estimated noise=2.27162 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00593065 Jy ! Component: 100 - total flux cleaned = -0.00591215 Jy ! Component: 150 - total flux cleaned = -0.00574309 Jy ! Component: 200 - total flux cleaned = -0.00558536 Jy ! Total flux subtracted in 200 components = -0.00558536 Jy ! Clean residual min=-0.008776 max=0.009708 Jy/beam ! Clean residual mean=0.000058 rms=0.002347 Jy/beam ! Combined flux in latest and established models = 1.12725 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 86 components and 1.12725 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.073452Jy sigma=0.822022 ! Fit after self-cal, rms=0.073294Jy sigma=0.820469 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.641% of the data. ! The x-axis pixel size should ideally be below 0.1996 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 = -0.00062432 Jy ! Component: 100 - total flux cleaned = -0.000326982 Jy ! Component: 150 - total flux cleaned = -0.000327088 Jy ! Component: 200 - total flux cleaned = -0.000325077 Jy ! Total flux subtracted in 200 components = -0.000325077 Jy ! Clean residual min=-0.008590 max=0.009443 Jy/beam ! Clean residual mean=0.000057 rms=0.002264 Jy/beam ! Combined flux in latest and established models = 1.12693 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 91 components and 1.12693 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.072627Jy sigma=0.813933 ! Fit after self-cal, rms=0.072560Jy sigma=0.813316 ! Inverting map ! Your choice of large map pixels excluded 0.641% of the data. ! The x-axis pixel size should ideally be below 0.1996 milli-arcsec ! Added new window around map position (38.8, 29.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00830938 Jy ! Component: 100 - total flux cleaned = 0.00905228 Jy ! Component: 150 - total flux cleaned = 0.00889509 Jy ! Component: 200 - total flux cleaned = 0.00889737 Jy ! Total flux subtracted in 200 components = 0.00889737 Jy ! Clean residual min=-0.008345 max=0.008768 Jy/beam ! Clean residual mean=0.000036 rms=0.002044 Jy/beam ! Combined flux in latest and established models = 1.13583 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 111 components and 1.13583 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.071064Jy sigma=0.799388 ! Fit after self-cal, rms=0.070947Jy sigma=0.798349 ! Inverting map ! Your choice of large map pixels excluded 0.641% of the data. ! The x-axis pixel size should ideally be below 0.1996 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=0.070947Jy sigma=0.798349 ! Fit after self-cal, rms=0.069707Jy sigma=0.781150 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.641% of the data. ! The x-axis pixel size should ideally be below 0.1996 milli-arcsec ! Estimated beam: bmin=0.8703 mas, bmaj=2.497 mas, bpa=-1.918 degrees ! Estimated noise=2.2694 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000635601 Jy ! Component: 100 - total flux cleaned = -0.00129658 Jy ! Component: 150 - total flux cleaned = -0.00189688 Jy ! Component: 200 - total flux cleaned = -0.00234086 Jy ! Total flux subtracted in 200 components = -0.00234086 Jy ! Clean residual min=-0.008087 max=0.007497 Jy/beam ! Clean residual mean=0.000030 rms=0.001832 Jy/beam ! Combined flux in latest and established models = 1.13348 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 125 components and 1.13348 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.069159Jy sigma=0.776087 ! Fit after self-cal, rms=0.069117Jy sigma=0.775849 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.641% of the data. ! The x-axis pixel size should ideally be below 0.1996 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 = -0.000608045 Jy ! Component: 100 - total flux cleaned = -0.000713397 Jy ! Component: 150 - total flux cleaned = -0.000910211 Jy ! Component: 200 - total flux cleaned = -0.00109619 Jy ! Total flux subtracted in 200 components = -0.00109619 Jy ! Clean residual min=-0.007919 max=0.007173 Jy/beam ! Clean residual mean=0.000031 rms=0.001798 Jy/beam ! Combined flux in latest and established models = 1.13239 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 130 components and 1.13239 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.068788Jy sigma=0.772708 ! Fit after self-cal, rms=0.068766Jy sigma=0.772596 ! Inverting map ! Your choice of large map pixels excluded 0.641% of the data. ! The x-axis pixel size should ideally be below 0.1996 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=0.068766Jy sigma=0.772596 ! Fit after self-cal, rms=0.068749Jy sigma=0.772084 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 0.641% of the data. ! The x-axis pixel size should ideally be below 0.1996 milli-arcsec ! Estimated beam: bmin=2.723 mas, bmaj=9.878 mas, bpa=-2.486 degrees ! Estimated noise=2.78321 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00113818 Jy ! Component: 100 - total flux cleaned = -0.00146376 Jy ! Component: 150 - total flux cleaned = -0.00189664 Jy ! Component: 200 - total flux cleaned = -0.0021848 Jy ! Total flux subtracted in 200 components = -0.0021848 Jy ! Clean residual min=-0.006794 max=0.006690 Jy/beam ! Clean residual mean=0.000055 rms=0.002000 Jy/beam ! Combined flux in latest and established models = 1.1302 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 143 components and 1.1302 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.068643Jy sigma=0.771036 ! Fit after self-cal, rms=0.068613Jy sigma=0.770923 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 0.641% of the data. ! The x-axis pixel size should ideally be below 0.1996 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 = -0.000298368 Jy ! Component: 100 - total flux cleaned = -0.000523816 Jy ! Component: 150 - total flux cleaned = -0.000732313 Jy ! Component: 200 - total flux cleaned = -0.000850218 Jy ! Total flux subtracted in 200 components = -0.000850218 Jy ! Clean residual min=-0.006874 max=0.006508 Jy/beam ! Clean residual mean=0.000058 rms=0.002000 Jy/beam ! Combined flux in latest and established models = 1.12935 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 145 components and 1.12935 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.068569Jy sigma=0.770590 ! Fit after self-cal, rms=0.068554Jy sigma=0.770541 ! Inverting map ! Your choice of large map pixels excluded 0.641% of the data. ! The x-axis pixel size should ideally be below 0.1996 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 0.641% of the data. ! The x-axis pixel size should ideally be below 0.1996 milli-arcsec ! Estimated beam: bmin=0.8703 mas, bmaj=2.497 mas, bpa=-1.927 degrees ! Estimated noise=2.26691 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8703 x 2.497 at -1.927 degrees (North through East) ! Clean map min=-0.0071178 max=0.91892 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.068554Jy sigma=0.770541 ! Fit after self-cal, rms=0.063960Jy sigma=0.700065 ! Inverting map and beam ! Your choice of large map pixels excluded 0.641% of the data. ! The x-axis pixel size should ideally be below 0.1996 milli-arcsec ! Estimated beam: bmin=0.8708 mas, bmaj=2.498 mas, bpa=-1.91 degrees ! Estimated noise=2.26639 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00203786 Jy ! Component: 100 - total flux cleaned = -0.0021321 Jy ! Component: 150 - total flux cleaned = -0.00213651 Jy ! Component: 200 - total flux cleaned = -0.00221569 Jy ! Total flux subtracted in 200 components = -0.00221569 Jy ! Clean residual min=-0.007809 max=0.006701 Jy/beam ! Clean residual mean=0.000033 rms=0.001731 Jy/beam ! Combined flux in latest and established models = 1.12714 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 152 components and 1.12714 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063663Jy sigma=0.697386 ! Fit after self-cal, rms=0.063645Jy sigma=0.697243 ! Inverting map ! Your choice of large map pixels excluded 0.641% of the data. ! The x-axis pixel size should ideally be below 0.1996 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000451711 Jy ! Component: 100 - total flux cleaned = -0.000525327 Jy ! Component: 150 - total flux cleaned = -0.00059609 Jy ! Component: 200 - total flux cleaned = -0.000728862 Jy ! Total flux subtracted in 200 components = -0.000728862 Jy ! Clean residual min=-0.007692 max=0.006579 Jy/beam ! Clean residual mean=0.000034 rms=0.001709 Jy/beam ! Combined flux in latest and established models = 1.12641 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 156 components and 1.12641 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063456Jy sigma=0.695499 ! Fit after self-cal, rms=0.063445Jy sigma=0.695430 ! Inverting map ! Your choice of large map pixels excluded 0.641% of the data. ! The x-axis pixel size should ideally be below 0.1996 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063445Jy sigma=0.695430 ! Fit after self-cal, rms=0.063468Jy sigma=0.695079 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 0.641% of the data. ! The x-axis pixel size should ideally be below 0.1996 milli-arcsec ! Estimated beam: bmin=0.7174 mas, bmaj=2.174 mas, bpa=-1.738 degrees ! Estimated noise=2.92945 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.732962 Jy ! Component: 100 - total flux cleaned = 0.906392 Jy ! Component: 150 - total flux cleaned = 0.983503 Jy ! Component: 200 - total flux cleaned = 1.02517 Jy ! Total flux subtracted in 200 components = 1.02517 Jy ! Clean residual min=-0.015966 max=0.022228 Jy/beam ! Clean residual mean=0.000034 rms=0.004266 Jy/beam ! Combined flux in latest and established models = 1.02517 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 20 model components to the UV plane model. ! The established model now contains 20 components and 1.02517 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 0.641% of the data. ! The x-axis pixel size should ideally be below 0.1996 milli-arcsec ! Estimated beam: bmin=0.8709 mas, bmaj=2.498 mas, bpa=-1.917 degrees ! Estimated noise=2.26472 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 = 0.0337224 Jy ! Component: 100 - total flux cleaned = 0.0537351 Jy ! Component: 150 - total flux cleaned = 0.0672142 Jy ! Component: 200 - total flux cleaned = 0.0773134 Jy ! Total flux subtracted in 200 components = 0.0773134 Jy ! Clean residual min=-0.010443 max=0.011282 Jy/beam ! Clean residual mean=0.000063 rms=0.002495 Jy/beam ! Combined flux in latest and established models = 1.10249 Jy ! Adding 46 model components to the UV plane model. ! The established model now contains 58 components and 1.10249 Jy ! Inverting map ! Your choice of large map pixels excluded 0.641% of the data. ! The x-axis pixel size should ideally be below 0.1996 milli-arcsec ! Added new window around map position (-2, -0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0106562 Jy ! Component: 100 - total flux cleaned = 0.01483 Jy ! Component: 150 - total flux cleaned = 0.0173264 Jy ! Component: 200 - total flux cleaned = 0.0185126 Jy ! Total flux subtracted in 200 components = 0.0185126 Jy ! Clean residual min=-0.008969 max=0.008411 Jy/beam ! Clean residual mean=0.000039 rms=0.001983 Jy/beam ! Combined flux in latest and established models = 1.121 Jy ! Adding 27 model components to the UV plane model. ! The established model now contains 82 components and 1.121 Jy ! Inverting map ! Your choice of large map pixels excluded 0.641% of the data. ! The x-axis pixel size should ideally be below 0.1996 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 0.641% of the data. ! The x-axis pixel size should ideally be below 0.1996 milli-arcsec ! Estimated beam: bmin=2.725 mas, bmaj=9.886 mas, bpa=-2.484 degrees ! Estimated noise=2.77861 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00542635 Jy ! Component: 100 - total flux cleaned = 0.00645921 Jy ! Component: 150 - total flux cleaned = 0.00657625 Jy ! Component: 200 - total flux cleaned = 0.00648093 Jy ! Total flux subtracted in 200 components = 0.00648093 Jy ! Clean residual min=-0.007227 max=0.007196 Jy/beam ! Clean residual mean=0.000051 rms=0.002115 Jy/beam ! Combined flux in latest and established models = 1.12748 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 = -8.98665e-05 Jy ! Component: 100 - total flux cleaned = -0.000172795 Jy ! Component: 150 - total flux cleaned = -0.000257729 Jy ! Component: 200 - total flux cleaned = -0.000414342 Jy ! Total flux subtracted in 200 components = -0.000414342 Jy ! Clean residual min=-0.007197 max=0.006987 Jy/beam ! Clean residual mean=0.000052 rms=0.002058 Jy/beam ! Combined flux in latest and established models = 1.12706 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 104 components and 1.12707 Jy ! Inverting map ! Your choice of large map pixels excluded 0.641% of the data. ! The x-axis pixel size should ideally be below 0.1996 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 0.641% of the data. ! The x-axis pixel size should ideally be below 0.1996 milli-arcsec ! Estimated beam: bmin=0.8709 mas, bmaj=2.498 mas, bpa=-1.917 degrees ! Estimated noise=2.26472 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00158057 Jy ! Component: 100 - total flux cleaned = -0.00157564 Jy ! Component: 150 - total flux cleaned = -0.00173631 Jy ! Component: 200 - total flux cleaned = -0.00201742 Jy ! Total flux subtracted in 200 components = -0.00201742 Jy ! Clean residual min=-0.008406 max=0.007270 Jy/beam ! Clean residual mean=0.000032 rms=0.001795 Jy/beam ! Combined flux in latest and established models = 1.12505 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 120 components and 1.12505 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.064326Jy sigma=0.705778 ! Fit after self-cal, rms=0.064127Jy sigma=0.703895 wmodel J1802-3940_X_map.mod ! Writing 120 model components to file: J1802-3940_X_map.mod wobs J1802-3940_X_uvs.fits ! Writing UV FITS file: J1802-3940_X_uvs.fits wwins J1802-3940_X_map.win ! wwins: Wrote 5 windows to J1802-3940_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 0.641% of the data. ! The x-axis pixel size should ideally be below 0.1996 milli-arcsec ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00219453 Jy ! Component: 100 - total flux cleaned = -0.00245105 Jy ! Component: 150 - total flux cleaned = -0.00268379 Jy ! Component: 200 - total flux cleaned = -0.00312369 Jy ! Component: 250 - total flux cleaned = -0.00333324 Jy ! Component: 300 - total flux cleaned = -0.00343305 Jy ! Component: 350 - total flux cleaned = -0.00324461 Jy ! Component: 400 - total flux cleaned = -0.00306225 Jy ! Component: 450 - total flux cleaned = -0.00279873 Jy ! Component: 500 - total flux cleaned = -0.00262762 Jy ! Component: 550 - total flux cleaned = -0.00262584 Jy ! Component: 600 - total flux cleaned = -0.00270356 Jy ! Component: 650 - total flux cleaned = -0.00262707 Jy ! Component: 700 - total flux cleaned = -0.00277516 Jy ! Component: 750 - total flux cleaned = -0.00284637 Jy ! Component: 800 - total flux cleaned = -0.00291695 Jy ! Component: 850 - total flux cleaned = -0.00312566 Jy ! Component: 900 - total flux cleaned = -0.00339792 Jy ! Component: 950 - total flux cleaned = -0.00346444 Jy ! Component: 1000 - total flux cleaned = -0.00333571 Jy ! Component: 1050 - total flux cleaned = -0.00352922 Jy ! Component: 1100 - total flux cleaned = -0.00359373 Jy ! Component: 1150 - total flux cleaned = -0.00377913 Jy ! Component: 1200 - total flux cleaned = -0.00395883 Jy ! Component: 1250 - total flux cleaned = -0.00395813 Jy ! Component: 1300 - total flux cleaned = -0.00395948 Jy ! Component: 1350 - total flux cleaned = -0.00407176 Jy ! Component: 1400 - total flux cleaned = -0.00390289 Jy ! Component: 1450 - total flux cleaned = -0.00379373 Jy ! Component: 1500 - total flux cleaned = -0.00374036 Jy ! Component: 1550 - total flux cleaned = -0.00368737 Jy ! Component: 1600 - total flux cleaned = -0.00368762 Jy ! Component: 1650 - total flux cleaned = -0.00368844 Jy ! Component: 1700 - total flux cleaned = -0.00363799 Jy ! Component: 1750 - total flux cleaned = -0.00358874 Jy ! Component: 1800 - total flux cleaned = -0.00358776 Jy ! Component: 1850 - total flux cleaned = -0.00344192 Jy ! Component: 1900 - total flux cleaned = -0.00329962 Jy ! Component: 1950 - total flux cleaned = -0.00344056 Jy ! Component: 2000 - total flux cleaned = -0.00330098 Jy ! Component: 2050 - total flux cleaned = -0.00311757 Jy ! Component: 2100 - total flux cleaned = -0.00298287 Jy ! Component: 2150 - total flux cleaned = -0.0030268 Jy ! Component: 2200 - total flux cleaned = -0.00285056 Jy ! Component: 2250 - total flux cleaned = -0.00267664 Jy ! Component: 2300 - total flux cleaned = -0.00259078 Jy ! Component: 2350 - total flux cleaned = -0.00246347 Jy ! Component: 2400 - total flux cleaned = -0.00237924 Jy ! Component: 2450 - total flux cleaned = -0.00225541 Jy ! Component: 2500 - total flux cleaned = -0.00213372 Jy ! Component: 2550 - total flux cleaned = -0.00201307 Jy ! Component: 2600 - total flux cleaned = -0.00197265 Jy ! Component: 2650 - total flux cleaned = -0.00177627 Jy ! Component: 2700 - total flux cleaned = -0.00162054 Jy ! Component: 2750 - total flux cleaned = -0.00158251 Jy ! Component: 2800 - total flux cleaned = -0.00139245 Jy ! Component: 2850 - total flux cleaned = -0.00131778 Jy ! Component: 2900 - total flux cleaned = -0.00116846 Jy ! Component: 2950 - total flux cleaned = -0.000910499 Jy ! Component: 3000 - total flux cleaned = -0.000728042 Jy ! Component: 3050 - total flux cleaned = -0.000547006 Jy ! Component: 3100 - total flux cleaned = -0.000332237 Jy ! Component: 3150 - total flux cleaned = -0.000261047 Jy ! Component: 3200 - total flux cleaned = -5.0087e-05 Jy ! Component: 3250 - total flux cleaned = -5.02001e-05 Jy ! Component: 3300 - total flux cleaned = 1.90602e-05 Jy ! Component: 3350 - total flux cleaned = 0.000156346 Jy ! Component: 3400 - total flux cleaned = 0.000190524 Jy ! Component: 3450 - total flux cleaned = 0.000291984 Jy ! Component: 3500 - total flux cleaned = 0.000325612 Jy ! Component: 3550 - total flux cleaned = 0.000325306 Jy ! Component: 3600 - total flux cleaned = 0.000325312 Jy ! Component: 3650 - total flux cleaned = 0.000357956 Jy ! Component: 3700 - total flux cleaned = 0.00039064 Jy ! Component: 3750 - total flux cleaned = 0.000487379 Jy ! Component: 3800 - total flux cleaned = 0.00055118 Jy ! Component: 3850 - total flux cleaned = 0.000551191 Jy ! Component: 3900 - total flux cleaned = 0.00058282 Jy ! Component: 3950 - total flux cleaned = 0.000614443 Jy ! Component: 4000 - total flux cleaned = 0.000739501 Jy ! Component: 4050 - total flux cleaned = 0.000677169 Jy ! Total flux subtracted in 4096 components = 0.000677351 Jy ! Clean residual min=-0.001989 max=0.001870 Jy/beam ! Clean residual mean=0.000004 rms=0.000544 Jy/beam ! Combined flux in latest and established models = 1.12572 Jy keep ! Adding 267 model components to the UV plane model. ! The established model now contains 387 components and 1.12572 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /scr/pima/rv121_uvs/J1802-3940_X_map.fits ! Inverting map ! Your choice of large map pixels excluded 0.641% of the data. ! The x-axis pixel size should ideally be below 0.1996 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8709 x 2.498 at -1.917 degrees (North through East) ! Clean map min=-0.0067984 max=0.9288 Jy/beam ! Writing clean map to FITS file: /scr/pima/rv121_uvs/J1802-3940_X_map.fits wmodel /scr/pima/rv121_uvs/J1802-3940_X_map.mod ! Writing 387 model components to file: /scr/pima/rv121_uvs/J1802-3940_X_map.mod wobs /scr/pima/rv121_uvs/J1802-3940_X_uvs.fits ! Writing UV FITS file: /scr/pima/rv121_uvs/J1802-3940_X_uvs.fits wwins /scr/pima/rv121_uvs/J1802-3940_X_map.win ! wwins: Wrote 6 windows to /scr/pima/rv121_uvs/J1802-3940_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.928801 invert ! Inverting map ! Your choice of large map pixels excluded 0.641% of the data. ! The x-axis pixel size should ideally be below 0.1996 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000541306 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.17484 0.17484 0.349681 0.699361 1.39872 2.79744 5.59489 11.1898 22.3796 44.7591 89.5182 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0016 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.928 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1715.85 quit ! Quitting program ! Log file /scr/pima/rv121_uvs/J1802-3940_X_dfm.log closed on Sat Jul 28 00:42:58 2018