! Started logfile: /image_prod/ug002_uvm//J1957-3845_S_a_dfm.log on Wed Mar 4 17:38:51 2020 float field_size field_size = 1024 float field_cell field_cell = 0.5000 float taper_size taper_size = 20.0 float freq freq = 2.22000 obs /image_prod/ug002_uvm//J1957-3845_S_a_uvm.fits ! Reading UV FITS file: /image_prod/ug002_uvm//J1957-3845_S_a_uvm.fits ! AN table 1: 8 integrations on 21 of 21 possible baselines. ! AN table 2: 8 integrations on 21 of 21 possible baselines. ! AN table 3: 14 integrations on 28 of 28 possible baselines. ! AN table 4: 8 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.907563 visibilities/baseline/integration-bin. ! Found source: J1957-3845 ! ! There are 3 IFs, and a total of 3 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 2.22e+09 3.2e+07 1 3.2e+07 ! 02 2 2.252e+09 3.2e+07 1 3.2e+07 ! 03 3 2.284e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 40 lines of history. ! ! Reading 2592 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 3 channels. ! Selecting polarization: RR, channels: 1..3 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.5 print "taper_size =", taper_size ! taper_size = 20 ![@/opt64/bin/pima_mupet_01.dfm J1957-3845_S_a] 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 0.500x0.500 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 3 telescope corrections were flagged in sub-array 1. ! A total of 7 telescope corrections were flagged in sub-array 2. ! A total of 4 telescope corrections were flagged in sub-array 3. ! A total of 4 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! A total of 7 telescope corrections were flagged in sub-array 2. ! A total of 4 telescope corrections were flagged in sub-array 3. ! A total of 4 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! A total of 7 telescope corrections were flagged in sub-array 2. ! A total of 4 telescope corrections were flagged in sub-array 3. ! A total of 4 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=1.388201Jy sigma=9.289179 ! Fit after self-cal, rms=0.263100Jy sigma=1.802524 ! 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 ! Estimated beam: bmin=2.601 mas, bmaj=8.258 mas, bpa=-5.057 degrees ! Estimated noise=3.22245 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 = 0.663512 Jy ! Component: 100 - total flux cleaned = 0.831737 Jy ! Total flux subtracted in 100 components = 0.831737 Jy ! Clean residual min=-0.052721 max=0.107620 Jy/beam ! Clean residual mean=-0.000168 rms=0.012472 Jy/beam ! Combined flux in latest and established models = 0.831737 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.831737 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.270424Jy sigma=1.908094 ! Fit after self-cal, rms=0.270406Jy sigma=1.907917 ! Inverting map ! Added new window around map position (-5.5, 9.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.105085 Jy ! Component: 100 - total flux cleaned = 0.168136 Jy ! Total flux subtracted in 100 components = 0.168136 Jy ! Clean residual min=-0.034320 max=0.069433 Jy/beam ! Clean residual mean=0.000095 rms=0.008371 Jy/beam ! Combined flux in latest and established models = 0.999873 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 18 components and 0.999873 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.202316Jy sigma=1.511304 ! Fit after self-cal, rms=0.199801Jy sigma=1.496546 ! Inverting map ! Added new window around map position (5.5, -10). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0554946 Jy ! Component: 100 - total flux cleaned = 0.0852065 Jy ! Total flux subtracted in 100 components = 0.0852065 Jy ! Clean residual min=-0.029021 max=0.028377 Jy/beam ! Clean residual mean=0.000228 rms=0.006540 Jy/beam ! Combined flux in latest and established models = 1.08508 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 30 components and 1.08508 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.179985Jy sigma=1.415918 ! Fit after self-cal, rms=0.179909Jy sigma=1.415553 ! Inverting map 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 ! Estimated beam: bmin=3.39 mas, bmaj=10.66 mas, bpa=-7.783 degrees ! Estimated noise=2.23388 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 = 0.0346019 Jy ! Component: 100 - total flux cleaned = 0.046492 Jy ! Component: 150 - total flux cleaned = 0.0465121 Jy ! Component: 200 - total flux cleaned = 0.046526 Jy ! Total flux subtracted in 200 components = 0.046526 Jy ! Clean residual min=-0.027675 max=0.027222 Jy/beam ! Clean residual mean=0.000485 rms=0.008613 Jy/beam ! Combined flux in latest and established models = 1.13161 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 43 components and 1.13161 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.173240Jy sigma=1.383217 ! Fit after self-cal, rms=0.173176Jy sigma=1.383065 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.39 x 10.66 at -7.783 degrees (North through East) ! Clean map min=-0.027534 max=0.82015 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.89 KP 0.95 LA 1.00 MK 0.93 ! NL 1.02 OV 0.90 PT 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.96 HN 1.17 KP 0.94 LA 5.35 ! NL 1.00 OV 0.93 PT 0.95 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.97 KP 0.99 LA 1.02 MK 1.09 ! NL 1.11 OV 0.97 PT 0.98 SC 1.05 ! ! Telescope amplitude corrections in sub-array 4: ! FD 1.00 HN 1.11 KP 0.95 LA 1.00 ! NL 1.09 OV 0.96 PT 0.98 SC 1.01 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 0.89 KP 0.96 LA 0.99 MK 0.92 ! NL 1.05 OV 0.87 PT 0.97 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.97 HN 1.50 KP 0.97 LA 0.99 ! NL 1.08 OV 0.95 PT 0.97 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.99 KP 1.00 LA 1.01 MK 1.08 ! NL 1.22 OV 0.92 PT 0.99 SC 1.04 ! ! Telescope amplitude corrections in sub-array 4: ! FD 0.99 HN 1.10 KP 0.96 LA 1.01 ! NL 1.05 OV 1.00 PT 0.99 SC 0.92 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 0.91 KP 0.97 LA 0.99 MK 0.95 ! NL 1.00 OV 0.89 PT 0.96 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.97 HN 1.25 KP 0.96 LA 0.99 ! NL 0.97 OV 0.90 PT 0.97 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.98 KP 0.98 LA 1.01 MK 1.11 ! NL 0.97 OV 0.93 PT 1.00 SC 1.04 ! ! Telescope amplitude corrections in sub-array 4: ! FD 1.00 HN 1.03 KP 0.97 LA 0.99 ! NL 1.09 OV 0.97 PT 0.99 SC 1.02 ! ! ! Fit before self-cal, rms=0.173176Jy sigma=1.383065 ! Fit after self-cal, rms=0.143467Jy sigma=0.652790 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.433 mas, bmaj=10.71 mas, bpa=-7.962 degrees ! Estimated noise=2.25532 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 = -0.00747726 Jy ! Component: 100 - total flux cleaned = -0.00850435 Jy ! Component: 150 - total flux cleaned = -0.00894454 Jy ! Component: 200 - total flux cleaned = -0.00914154 Jy ! Total flux subtracted in 200 components = -0.00914154 Jy ! Clean residual min=-0.012047 max=0.015659 Jy/beam ! Clean residual mean=-0.000071 rms=0.003018 Jy/beam ! Combined flux in latest and established models = 1.12246 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 58 components and 1.12246 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.142800Jy sigma=0.643417 ! Fit after self-cal, rms=0.143515Jy sigma=0.641919 ! Inverting map ! Added new window around map position (-15.5, 9). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00857275 Jy ! Component: 100 - total flux cleaned = 0.00963593 Jy ! Component: 150 - total flux cleaned = 0.00987305 Jy ! Component: 200 - total flux cleaned = 0.0100615 Jy ! Total flux subtracted in 200 components = 0.0100615 Jy ! Clean residual min=-0.011216 max=0.011378 Jy/beam ! Clean residual mean=-0.000029 rms=0.002677 Jy/beam ! Combined flux in latest and established models = 1.13253 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 68 components and 1.13253 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.142058Jy sigma=0.629704 ! Fit after self-cal, rms=0.141903Jy sigma=0.628931 ! Inverting map selfcal true, true, soltime1 ! Performing amp+phase self-cal over 120 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.141903Jy sigma=0.628931 ! Fit after self-cal, rms=0.138750Jy sigma=0.609296 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.439 mas, bmaj=10.71 mas, bpa=-7.935 degrees ! Estimated noise=2.25463 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00386607 Jy ! Component: 100 - total flux cleaned = -0.00387234 Jy ! Component: 150 - total flux cleaned = -0.00386962 Jy ! Component: 200 - total flux cleaned = -0.00403327 Jy ! Total flux subtracted in 200 components = -0.00403327 Jy ! Clean residual min=-0.009841 max=0.009943 Jy/beam ! Clean residual mean=-0.000042 rms=0.002383 Jy/beam ! Combined flux in latest and established models = 1.12849 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 86 components and 1.12849 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.138281Jy sigma=0.603885 ! Fit after self-cal, rms=0.138273Jy sigma=0.603743 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 (-26, 52). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00686451 Jy ! Component: 100 - total flux cleaned = 0.00685773 Jy ! Component: 150 - total flux cleaned = 0.00669339 Jy ! Component: 200 - total flux cleaned = 0.00639721 Jy ! Total flux subtracted in 200 components = 0.00639721 Jy ! Clean residual min=-0.009211 max=0.007349 Jy/beam ! Clean residual mean=-0.000022 rms=0.002219 Jy/beam ! Combined flux in latest and established models = 1.13489 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 103 components and 1.13489 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.137469Jy sigma=0.598443 ! Fit after self-cal, rms=0.137415Jy sigma=0.598111 ! Inverting map selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.137415Jy sigma=0.598111 ! Fit after self-cal, rms=0.138297Jy sigma=0.596926 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.443 mas, bmaj=10.72 mas, bpa=-7.927 degrees ! Estimated noise=2.25265 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00214177 Jy ! Component: 100 - total flux cleaned = -0.00248515 Jy ! Component: 150 - total flux cleaned = -0.00247985 Jy ! Component: 200 - total flux cleaned = -0.00260815 Jy ! Total flux subtracted in 200 components = -0.00260815 Jy ! Clean residual min=-0.008607 max=0.006858 Jy/beam ! Clean residual mean=-0.000029 rms=0.002076 Jy/beam ! Combined flux in latest and established models = 1.13228 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 113 components and 1.13228 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.137870Jy sigma=0.593871 ! Fit after self-cal, rms=0.137868Jy sigma=0.593791 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 = 0.000547154 Jy ! Component: 100 - total flux cleaned = 0.000426192 Jy ! Component: 150 - total flux cleaned = 0.000314725 Jy ! Component: 200 - total flux cleaned = 0.000316415 Jy ! Total flux subtracted in 200 components = 0.000316415 Jy ! Clean residual min=-0.008514 max=0.007081 Jy/beam ! Clean residual mean=-0.000028 rms=0.002040 Jy/beam ! Combined flux in latest and established models = 1.1326 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 130 components and 1.1326 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.137660Jy sigma=0.592394 ! Fit after self-cal, rms=0.137655Jy sigma=0.592374 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 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. ! ! Fit before self-cal, rms=0.137655Jy sigma=0.592374 ! Fit after self-cal, rms=0.138325Jy sigma=0.591586 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.505 mas, bmaj=31.26 mas, bpa=-6.881 degrees ! Estimated noise=2.68127 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00185349 Jy ! Component: 100 - total flux cleaned = -0.0021253 Jy ! Component: 150 - total flux cleaned = -0.00269727 Jy ! Component: 200 - total flux cleaned = -0.00292409 Jy ! Total flux subtracted in 200 components = -0.00292409 Jy ! Clean residual min=-0.008202 max=0.006322 Jy/beam ! Clean residual mean=-0.000044 rms=0.002303 Jy/beam ! Combined flux in latest and established models = 1.12967 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 146 components and 1.12967 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.138181Jy sigma=0.590277 ! Fit after self-cal, rms=0.138182Jy sigma=0.590116 flux_cutoff = imstat(rms) * dynam ! Inverting map 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 = 0.000258908 Jy ! Component: 100 - total flux cleaned = 0.000117694 Jy ! Component: 150 - total flux cleaned = 4.83433e-05 Jy ! Component: 200 - total flux cleaned = -8.65914e-05 Jy ! Total flux subtracted in 200 components = -8.65914e-05 Jy ! Clean residual min=-0.008196 max=0.006403 Jy/beam ! Clean residual mean=-0.000042 rms=0.002291 Jy/beam ! Combined flux in latest and established models = 1.12959 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 152 components and 1.12959 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.138092Jy sigma=0.589748 ! Fit after self-cal, rms=0.138087Jy sigma=0.589724 ! Inverting map 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 ! Estimated beam: bmin=3.448 mas, bmaj=10.72 mas, bpa=-7.916 degrees ! Estimated noise=2.25152 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.448 x 10.72 at -7.916 degrees (North through East) ! Clean map min=-0.010256 max=0.83444 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. ! ! Fit before self-cal, rms=0.138087Jy sigma=0.589724 ! Fit after self-cal, rms=0.133275Jy sigma=0.540312 ! Inverting map and beam ! Estimated beam: bmin=3.45 mas, bmaj=10.72 mas, bpa=-7.871 degrees ! Estimated noise=2.24893 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00342186 Jy ! Component: 100 - total flux cleaned = -0.00426542 Jy ! Component: 150 - total flux cleaned = -0.00437824 Jy ! Component: 200 - total flux cleaned = -0.00447899 Jy ! Total flux subtracted in 200 components = -0.00447899 Jy ! Clean residual min=-0.007660 max=0.006696 Jy/beam ! Clean residual mean=-0.000019 rms=0.001845 Jy/beam ! Combined flux in latest and established models = 1.12511 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 168 components and 1.12511 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.133062Jy sigma=0.538695 ! Fit after self-cal, rms=0.133058Jy sigma=0.538676 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -1.06852e-05 Jy ! Component: 100 - total flux cleaned = 7.8197e-05 Jy ! Component: 150 - total flux cleaned = 0.000163532 Jy ! Component: 200 - total flux cleaned = 0.000162311 Jy ! Total flux subtracted in 200 components = 0.000162311 Jy ! Clean residual min=-0.007605 max=0.006769 Jy/beam ! Clean residual mean=-0.000018 rms=0.001825 Jy/beam ! Combined flux in latest and established models = 1.12527 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 182 components and 1.12527 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.132937Jy sigma=0.537793 ! Fit after self-cal, rms=0.132933Jy sigma=0.537776 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.132933Jy sigma=0.537776 ! Fit after self-cal, rms=0.133282Jy sigma=0.537389 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 ! Estimated beam: bmin=2.637 mas, bmaj=8.228 mas, bpa=-4.977 degrees ! Estimated noise=3.3293 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.685234 Jy ! Component: 100 - total flux cleaned = 0.854481 Jy ! Component: 150 - total flux cleaned = 0.938556 Jy ! Component: 200 - total flux cleaned = 0.991211 Jy ! Total flux subtracted in 200 components = 0.991211 Jy ! Clean residual min=-0.018329 max=0.031631 Jy/beam ! Clean residual mean=-0.000163 rms=0.004449 Jy/beam ! Combined flux in latest and established models = 0.991211 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 25 model components to the UV plane model. ! The established model now contains 25 components and 0.991211 Jy ! Inverting map and beam ! Estimated beam: bmin=3.453 mas, bmaj=10.73 mas, bpa=-7.855 degrees ! Estimated noise=2.24795 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) ! Added new window around map position (-1, -11.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0531053 Jy ! Component: 100 - total flux cleaned = 0.0800092 Jy ! Component: 150 - total flux cleaned = 0.0977241 Jy ! Component: 200 - total flux cleaned = 0.11026 Jy ! Total flux subtracted in 200 components = 0.11026 Jy ! Clean residual min=-0.009143 max=0.008220 Jy/beam ! Clean residual mean=-0.000065 rms=0.002252 Jy/beam ! Combined flux in latest and established models = 1.10147 Jy ! Adding 42 model components to the UV plane model. ! The established model now contains 62 components and 1.10147 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.525 mas, bmaj=31.32 mas, bpa=-6.847 degrees ! Estimated noise=2.67098 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0102324 Jy ! Component: 100 - total flux cleaned = 0.0163355 Jy ! Component: 150 - total flux cleaned = 0.0191853 Jy ! Component: 200 - total flux cleaned = 0.0197191 Jy ! Total flux subtracted in 200 components = 0.0197191 Jy ! Clean residual min=-0.007531 max=0.007022 Jy/beam ! Clean residual mean=-0.000023 rms=0.002199 Jy/beam ! Combined flux in latest and established models = 1.12119 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 = 0.000229418 Jy ! Component: 100 - total flux cleaned = 0.000433196 Jy ! Component: 150 - total flux cleaned = 0.000615259 Jy ! Component: 200 - total flux cleaned = 0.00077869 Jy ! Total flux subtracted in 200 components = 0.00077869 Jy ! Clean residual min=-0.007486 max=0.006553 Jy/beam ! Clean residual mean=-0.000019 rms=0.002130 Jy/beam ! Combined flux in latest and established models = 1.12197 Jy ! Adding 54 model components to the UV plane model. ! The established model now contains 114 components and 1.12197 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.453 mas, bmaj=10.73 mas, bpa=-7.855 degrees ! Estimated noise=2.24795 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000561649 Jy ! Component: 100 - total flux cleaned = 0.000861139 Jy ! Component: 150 - total flux cleaned = 0.000736943 Jy ! Component: 200 - total flux cleaned = 0.000622675 Jy ! Total flux subtracted in 200 components = 0.000622675 Jy ! Clean residual min=-0.007309 max=0.007161 Jy/beam ! Clean residual mean=-0.000008 rms=0.001785 Jy/beam ! Combined flux in latest and established models = 1.12259 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 137 components and 1.12259 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.133248Jy sigma=0.535821 ! Fit after self-cal, rms=0.133192Jy sigma=0.535075 wmodel J1957-3845_S_a_map.mod ! Writing 137 model components to file: J1957-3845_S_a_map.mod wobs J1957-3845_S_a_uvs.fits ! Writing UV FITS file: J1957-3845_S_a_uvs.fits wwins J1957-3845_S_a_map.win ! wwins: Wrote 6 windows to J1957-3845_S_a_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00184358 Jy ! Component: 100 - total flux cleaned = -0.00394537 Jy ! Component: 150 - total flux cleaned = -0.00579476 Jy ! Component: 200 - total flux cleaned = -0.00682123 Jy ! Component: 250 - total flux cleaned = -0.00769783 Jy ! Component: 300 - total flux cleaned = -0.00844676 Jy ! Component: 350 - total flux cleaned = -0.00916984 Jy ! Component: 400 - total flux cleaned = -0.00943397 Jy ! Component: 450 - total flux cleaned = -0.00969086 Jy ! Component: 500 - total flux cleaned = -0.00993497 Jy ! Component: 550 - total flux cleaned = -0.0096916 Jy ! Component: 600 - total flux cleaned = -0.0097691 Jy ! Component: 650 - total flux cleaned = -0.00961553 Jy ! Component: 700 - total flux cleaned = -0.00961573 Jy ! Component: 750 - total flux cleaned = -0.00954078 Jy ! Component: 800 - total flux cleaned = -0.00932366 Jy ! Component: 850 - total flux cleaned = -0.00953776 Jy ! Component: 900 - total flux cleaned = -0.00925783 Jy ! Component: 950 - total flux cleaned = -0.00925802 Jy ! Component: 1000 - total flux cleaned = -0.00912282 Jy ! Component: 1050 - total flux cleaned = -0.00905821 Jy ! Component: 1100 - total flux cleaned = -0.00905812 Jy ! Component: 1150 - total flux cleaned = -0.00912126 Jy ! Component: 1200 - total flux cleaned = -0.00893113 Jy ! Component: 1250 - total flux cleaned = -0.00874663 Jy ! Component: 1300 - total flux cleaned = -0.00886953 Jy ! Component: 1350 - total flux cleaned = -0.0086897 Jy ! Component: 1400 - total flux cleaned = -0.00874875 Jy ! Component: 1450 - total flux cleaned = -0.00874775 Jy ! Component: 1500 - total flux cleaned = -0.00863276 Jy ! Component: 1550 - total flux cleaned = -0.00874647 Jy ! Component: 1600 - total flux cleaned = -0.00863481 Jy ! Component: 1650 - total flux cleaned = -0.00852472 Jy ! Component: 1700 - total flux cleaned = -0.00863371 Jy ! Component: 1750 - total flux cleaned = -0.00852662 Jy ! Component: 1800 - total flux cleaned = -0.00831493 Jy ! Component: 1850 - total flux cleaned = -0.00831532 Jy ! Component: 1900 - total flux cleaned = -0.00831516 Jy ! Component: 1950 - total flux cleaned = -0.00816213 Jy ! Component: 2000 - total flux cleaned = -0.00821256 Jy ! Component: 2050 - total flux cleaned = -0.00816267 Jy ! Component: 2100 - total flux cleaned = -0.00781792 Jy ! Component: 2150 - total flux cleaned = -0.0079646 Jy ! Component: 2200 - total flux cleaned = -0.00777183 Jy ! Component: 2250 - total flux cleaned = -0.00762899 Jy ! Component: 2300 - total flux cleaned = -0.00753446 Jy ! Component: 2350 - total flux cleaned = -0.00758075 Jy ! Component: 2400 - total flux cleaned = -0.00739537 Jy ! Component: 2450 - total flux cleaned = -0.00730343 Jy ! Component: 2500 - total flux cleaned = -0.00721275 Jy ! Component: 2550 - total flux cleaned = -0.00721266 Jy ! Component: 2600 - total flux cleaned = -0.00716801 Jy ! Component: 2650 - total flux cleaned = -0.00716827 Jy ! Component: 2700 - total flux cleaned = -0.00708007 Jy ! Component: 2750 - total flux cleaned = -0.0070807 Jy ! Component: 2800 - total flux cleaned = -0.00708045 Jy ! Component: 2850 - total flux cleaned = -0.00695177 Jy ! Component: 2900 - total flux cleaned = -0.0069521 Jy ! Component: 2950 - total flux cleaned = -0.00691006 Jy ! Component: 3000 - total flux cleaned = -0.00703457 Jy ! Component: 3050 - total flux cleaned = -0.00682628 Jy ! Component: 3100 - total flux cleaned = -0.006826 Jy ! Component: 3150 - total flux cleaned = -0.00658117 Jy ! Component: 3200 - total flux cleaned = -0.00670386 Jy ! Component: 3250 - total flux cleaned = -0.00682452 Jy ! Component: 3300 - total flux cleaned = -0.00682468 Jy ! Component: 3350 - total flux cleaned = -0.00678497 Jy ! Component: 3400 - total flux cleaned = -0.00678473 Jy ! Component: 3450 - total flux cleaned = -0.00662851 Jy ! Component: 3500 - total flux cleaned = -0.00678355 Jy ! Component: 3550 - total flux cleaned = -0.00678337 Jy ! Component: 3600 - total flux cleaned = -0.00674489 Jy ! Component: 3650 - total flux cleaned = -0.0065928 Jy ! Component: 3700 - total flux cleaned = -0.00651739 Jy ! Component: 3750 - total flux cleaned = -0.00644211 Jy ! Component: 3800 - total flux cleaned = -0.00647953 Jy ! Component: 3850 - total flux cleaned = -0.00644207 Jy ! Component: 3900 - total flux cleaned = -0.00618446 Jy ! Component: 3950 - total flux cleaned = -0.00614824 Jy ! Component: 4000 - total flux cleaned = -0.00607548 Jy ! Component: 4050 - total flux cleaned = -0.00596728 Jy ! Total flux subtracted in 4096 components = -0.00593157 Jy ! Clean residual min=-0.001787 max=0.003341 Jy/beam ! Clean residual mean=-0.000002 rms=0.000733 Jy/beam ! Combined flux in latest and established models = 1.11666 Jy keep ! Adding 325 model components to the UV plane model. ! The established model now contains 462 components and 1.11666 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uvm//J1957-3845_S_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.453 x 10.73 at -7.855 degrees (North through East) ! Clean map min=-0.0061215 max=0.86005 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uvm//J1957-3845_S_a_map.fits wmodel /image_prod/ug002_uvm//J1957-3845_S_a_map.mod ! Writing 462 model components to file: /image_prod/ug002_uvm//J1957-3845_S_a_map.mod wobs /image_prod/ug002_uvm//J1957-3845_S_a_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uvm//J1957-3845_S_a_uvs.fits wwins /image_prod/ug002_uvm//J1957-3845_S_a_map.win ! wwins: Wrote 7 windows to /image_prod/ug002_uvm//J1957-3845_S_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.860054 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000726833 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.25353 0.25353 0.507061 1.01412 2.02824 4.05649 8.11298 16.226 32.4519 64.9038 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0021 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.86 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1183.29 quit ! Quitting program ! Log file /image_prod/ug002_uvm//J1957-3845_S_a_dfm.log closed on Wed Mar 4 17:38:56 2020