! Started logfile: /image_prod/ug002_uva//J1845+3541_S_dfm.log on Thu Mar 5 03:54:28 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_uva//J1845+3541_S_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1845+3541_S_uva.fits ! AN table 1: 81 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.662551 visibilities/baseline/integration-bin. ! Found source: J1845+3541 ! ! 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 5796 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 J1845+3541_S] 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 154 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 154 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 154 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.368118Jy sigma=7.977628 ! Fit after self-cal, rms=0.357926Jy sigma=2.387636 ! 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=2.871 mas, bmaj=4.778 mas, bpa=-9.626 degrees ! Estimated noise=2.26127 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 = 0.595246 Jy ! Component: 100 - total flux cleaned = 0.807891 Jy ! Total flux subtracted in 100 components = 0.807891 Jy ! Clean residual min=-0.049279 max=0.096666 Jy/beam ! Clean residual mean=-0.000134 rms=0.013269 Jy/beam ! Combined flux in latest and established models = 0.807891 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 0.807891 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.270546Jy sigma=1.326609 ! Fit after self-cal, rms=0.269891Jy sigma=1.325262 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.111583 Jy ! Component: 100 - total flux cleaned = 0.177366 Jy ! Total flux subtracted in 100 components = 0.177366 Jy ! Clean residual min=-0.037811 max=0.074343 Jy/beam ! Clean residual mean=-0.000087 rms=0.009465 Jy/beam ! Combined flux in latest and established models = 0.985256 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 21 components and 0.985256 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.195635Jy sigma=0.960166 ! Fit after self-cal, rms=0.195435Jy sigma=0.959458 ! Inverting map ! Added new window around map position (-5, -6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0630403 Jy ! Component: 100 - total flux cleaned = 0.0958186 Jy ! Total flux subtracted in 100 components = 0.0958186 Jy ! Clean residual min=-0.033230 max=0.033813 Jy/beam ! Clean residual mean=-0.000068 rms=0.007825 Jy/beam ! Combined flux in latest and established models = 1.08107 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 29 components and 1.08108 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.168493Jy sigma=0.820501 ! Fit after self-cal, rms=0.164351Jy sigma=0.794748 ! 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=3.292 mas, bmaj=5.45 mas, bpa=-11.95 degrees ! Estimated noise=1.61325 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 = 0.0317837 Jy ! Component: 100 - total flux cleaned = 0.0423288 Jy ! Component: 150 - total flux cleaned = 0.0423532 Jy ! Component: 200 - total flux cleaned = 0.0423522 Jy ! Total flux subtracted in 200 components = 0.0423522 Jy ! Clean residual min=-0.027034 max=0.022257 Jy/beam ! Clean residual mean=-0.000032 rms=0.005984 Jy/beam ! Combined flux in latest and established models = 1.12343 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 39 components and 1.12343 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.155719Jy sigma=0.756392 ! Fit after self-cal, rms=0.154406Jy sigma=0.747337 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.292 x 5.45 at -11.95 degrees (North through East) ! Clean map min=-0.027001 max=0.75223 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.02 HN 0.98 KP 0.99 ! LA 1.06 MK 1.06 OV 0.83 PT 1.05 ! SC 0.96 ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.03 HN 0.99 KP 1.04 ! LA 1.07 MK 1.05 OV 0.89 PT 1.04 ! SC 0.89 ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.03 HN 0.99 KP 1.04 ! LA 1.02 MK 1.01 OV 0.90 PT 1.05 ! SC 1.03 ! ! ! Fit before self-cal, rms=0.154406Jy sigma=0.747337 ! Fit after self-cal, rms=0.123634Jy sigma=0.598737 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.29 mas, bmaj=5.442 mas, bpa=-10.89 degrees ! Estimated noise=1.6145 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 = 0.0132836 Jy ! Component: 100 - total flux cleaned = 0.0150096 Jy ! Component: 150 - total flux cleaned = 0.0155826 Jy ! Component: 200 - total flux cleaned = 0.0160743 Jy ! Total flux subtracted in 200 components = 0.0160743 Jy ! Clean residual min=-0.016523 max=0.013486 Jy/beam ! Clean residual mean=-0.000012 rms=0.003441 Jy/beam ! Combined flux in latest and established models = 1.1395 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 49 components and 1.1395 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.120951Jy sigma=0.585614 ! Fit after self-cal, rms=0.120680Jy sigma=0.583297 ! 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=0.120680Jy sigma=0.583297 ! Fit after self-cal, rms=0.081243Jy sigma=0.413423 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.275 mas, bmaj=5.399 mas, bpa=-11.06 degrees ! Estimated noise=1.61 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00900444 Jy ! Component: 100 - total flux cleaned = 0.00943839 Jy ! Component: 150 - total flux cleaned = 0.00960425 Jy ! Component: 200 - total flux cleaned = 0.0100602 Jy ! Total flux subtracted in 200 components = 0.0100602 Jy ! Clean residual min=-0.008957 max=0.009936 Jy/beam ! Clean residual mean=0.000011 rms=0.002067 Jy/beam ! Combined flux in latest and established models = 1.14956 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 59 components and 1.14956 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.080014Jy sigma=0.404401 ! Fit after self-cal, rms=0.080059Jy sigma=0.403085 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 (-13, -14.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00221599 Jy ! Component: 100 - total flux cleaned = 0.00350369 Jy ! Component: 150 - total flux cleaned = 0.00458367 Jy ! Component: 200 - total flux cleaned = 0.00534285 Jy ! Total flux subtracted in 200 components = 0.00534285 Jy ! Clean residual min=-0.007384 max=0.008721 Jy/beam ! Clean residual mean=0.000009 rms=0.001738 Jy/beam ! Combined flux in latest and established models = 1.1549 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 75 components and 1.1549 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.078482Jy sigma=0.389184 ! Fit after self-cal, rms=0.078345Jy sigma=0.388360 ! Inverting map ! Added new window around map position (-54.5, 24). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00332419 Jy ! Component: 100 - total flux cleaned = 0.00354627 Jy ! Component: 150 - total flux cleaned = 0.00387097 Jy ! Component: 200 - total flux cleaned = 0.0041533 Jy ! Total flux subtracted in 200 components = 0.0041533 Jy ! Clean residual min=-0.006247 max=0.006044 Jy/beam ! Clean residual mean=0.000007 rms=0.001500 Jy/beam ! Combined flux in latest and established models = 1.15906 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 93 components and 1.15906 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.077415Jy sigma=0.380329 ! Fit after self-cal, rms=0.077316Jy sigma=0.379947 ! 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=0.077316Jy sigma=0.379947 ! Fit after self-cal, rms=0.076901Jy sigma=0.377967 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.266 mas, bmaj=5.39 mas, bpa=-10.97 degrees ! Estimated noise=1.61029 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00439329 Jy ! Component: 100 - total flux cleaned = 0.00589344 Jy ! Component: 150 - total flux cleaned = 0.00624785 Jy ! Component: 200 - total flux cleaned = 0.00647248 Jy ! Total flux subtracted in 200 components = 0.00647248 Jy ! Clean residual min=-0.005121 max=0.005921 Jy/beam ! Clean residual mean=0.000005 rms=0.001338 Jy/beam ! Combined flux in latest and established models = 1.16553 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 111 components and 1.16553 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.076433Jy sigma=0.374640 ! Fit after self-cal, rms=0.076394Jy sigma=0.374409 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, 118.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00429788 Jy ! Component: 100 - total flux cleaned = 0.00490676 Jy ! Component: 150 - total flux cleaned = 0.0051258 Jy ! Component: 200 - total flux cleaned = 0.00513167 Jy ! Total flux subtracted in 200 components = 0.00513167 Jy ! Clean residual min=-0.004897 max=0.005394 Jy/beam ! Clean residual mean=0.000003 rms=0.001246 Jy/beam ! Combined flux in latest and established models = 1.17066 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 126 components and 1.17066 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.075996Jy sigma=0.371061 ! Fit after self-cal, rms=0.075975Jy sigma=0.370930 ! Inverting map ! Added new window around map position (-17.5, 26). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00309256 Jy ! Component: 100 - total flux cleaned = 0.00353385 Jy ! Component: 150 - total flux cleaned = 0.00401726 Jy ! Component: 200 - total flux cleaned = 0.00410822 Jy ! Total flux subtracted in 200 components = 0.00410822 Jy ! Clean residual min=-0.004830 max=0.004464 Jy/beam ! Clean residual mean=0.000002 rms=0.001153 Jy/beam ! Combined flux in latest and established models = 1.17477 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 139 components and 1.17477 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.075611Jy sigma=0.368359 ! Fit after self-cal, rms=0.075595Jy sigma=0.368241 ! 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=0.075595Jy sigma=0.368241 ! Fit after self-cal, rms=0.075203Jy sigma=0.367441 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.039 mas, bmaj=8.949 mas, bpa=-5.241 degrees ! Estimated noise=2.33254 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00229472 Jy ! Component: 100 - total flux cleaned = 0.00275454 Jy ! Component: 150 - total flux cleaned = 0.00341006 Jy ! Component: 200 - total flux cleaned = 0.00385314 Jy ! Total flux subtracted in 200 components = 0.00385314 Jy ! Clean residual min=-0.003922 max=0.004148 Jy/beam ! Clean residual mean=-0.000000 rms=0.001197 Jy/beam ! Combined flux in latest and established models = 1.17862 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 158 components and 1.17862 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.075032Jy sigma=0.367042 ! Fit after self-cal, rms=0.075025Jy sigma=0.366898 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 = 0.000547722 Jy ! Component: 100 - total flux cleaned = 0.000719562 Jy ! Component: 150 - total flux cleaned = 0.000992094 Jy ! Component: 200 - total flux cleaned = 0.00114424 Jy ! Total flux subtracted in 200 components = 0.00114424 Jy ! Clean residual min=-0.003885 max=0.004151 Jy/beam ! Clean residual mean=-0.000002 rms=0.001187 Jy/beam ! Combined flux in latest and established models = 1.17977 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 174 components and 1.17977 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.074958Jy sigma=0.366903 ! Fit after self-cal, rms=0.074958Jy sigma=0.366876 ! 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=3.259 mas, bmaj=5.382 mas, bpa=-10.99 degrees ! Estimated noise=1.61019 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.259 x 5.382 at -10.99 degrees (North through East) ! Clean map min=-0.0073733 max=0.7481 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=0.074958Jy sigma=0.366876 ! Fit after self-cal, rms=0.067157Jy sigma=0.329519 ! Inverting map and beam ! Estimated beam: bmin=3.257 mas, bmaj=5.378 mas, bpa=-11.08 degrees ! Estimated noise=1.61197 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00190205 Jy ! Component: 100 - total flux cleaned = 0.00230504 Jy ! Component: 150 - total flux cleaned = 0.00257145 Jy ! Component: 200 - total flux cleaned = 0.00273037 Jy ! Total flux subtracted in 200 components = 0.00273037 Jy ! Clean residual min=-0.003904 max=0.004376 Jy/beam ! Clean residual mean=-0.000002 rms=0.000990 Jy/beam ! Combined flux in latest and established models = 1.1825 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 190 components and 1.1825 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.066905Jy sigma=0.327809 ! Fit after self-cal, rms=0.066892Jy sigma=0.327741 ! Inverting map ! Added new window around map position (76, -47). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00115903 Jy ! Component: 100 - total flux cleaned = 0.000653117 Jy ! Component: 150 - total flux cleaned = 0.000731091 Jy ! Component: 200 - total flux cleaned = 0.000805976 Jy ! Total flux subtracted in 200 components = 0.000805976 Jy ! Clean residual min=-0.003784 max=0.003715 Jy/beam ! Clean residual mean=-0.000001 rms=0.000912 Jy/beam ! Combined flux in latest and established models = 1.1833 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 201 components and 1.1833 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.066591Jy sigma=0.325204 ! Fit after self-cal, rms=0.066575Jy sigma=0.325128 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.066575Jy sigma=0.325128 ! Fit after self-cal, rms=0.066395Jy sigma=0.324811 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=2.853 mas, bmaj=4.745 mas, bpa=-8.561 degrees ! Estimated noise=2.23474 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.586939 Jy ! Component: 100 - total flux cleaned = 0.801526 Jy ! Component: 150 - total flux cleaned = 0.928365 Jy ! Component: 200 - total flux cleaned = 1.0102 Jy ! Total flux subtracted in 200 components = 1.0102 Jy ! Clean residual min=-0.019713 max=0.044029 Jy/beam ! Clean residual mean=-0.000037 rms=0.005688 Jy/beam ! Combined flux in latest and established models = 1.0102 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 21 model components to the UV plane model. ! The established model now contains 21 components and 1.0102 Jy ! Inverting map and beam ! Estimated beam: bmin=3.253 mas, bmaj=5.37 mas, bpa=-11.16 degrees ! Estimated noise=1.61103 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 = 0.0658695 Jy ! Component: 100 - total flux cleaned = 0.104746 Jy ! Component: 150 - total flux cleaned = 0.127922 Jy ! Component: 200 - total flux cleaned = 0.142575 Jy ! Total flux subtracted in 200 components = 0.142575 Jy ! Clean residual min=-0.008482 max=0.008353 Jy/beam ! Clean residual mean=0.000002 rms=0.002006 Jy/beam ! Combined flux in latest and established models = 1.15278 Jy ! Adding 21 model components to the UV plane model. ! The established model now contains 36 components and 1.15278 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=7.037 mas, bmaj=8.941 mas, bpa=-5.104 degrees ! Estimated noise=2.33847 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0128118 Jy ! Component: 100 - total flux cleaned = 0.0202017 Jy ! Component: 150 - total flux cleaned = 0.024211 Jy ! Component: 200 - total flux cleaned = 0.0256886 Jy ! Total flux subtracted in 200 components = 0.0256886 Jy ! Clean residual min=-0.004663 max=0.006051 Jy/beam ! Clean residual mean=-0.000000 rms=0.001457 Jy/beam ! Combined flux in latest and established models = 1.17846 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 = 0.000935931 Jy ! Component: 100 - total flux cleaned = 0.00160341 Jy ! Component: 150 - total flux cleaned = 0.00267794 Jy ! Component: 200 - total flux cleaned = 0.0035085 Jy ! Total flux subtracted in 200 components = 0.0035085 Jy ! Clean residual min=-0.004020 max=0.004891 Jy/beam ! Clean residual mean=-0.000005 rms=0.001277 Jy/beam ! Combined flux in latest and established models = 1.18197 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 73 components and 1.18197 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.253 mas, bmaj=5.37 mas, bpa=-11.16 degrees ! Estimated noise=1.61103 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000893015 Jy ! Component: 100 - total flux cleaned = 0.00206733 Jy ! Component: 150 - total flux cleaned = 0.00268778 Jy ! Component: 200 - total flux cleaned = 0.00249716 Jy ! Total flux subtracted in 200 components = 0.00249716 Jy ! Clean residual min=-0.006094 max=0.005350 Jy/beam ! Clean residual mean=-0.000001 rms=0.001286 Jy/beam ! Combined flux in latest and established models = 1.18447 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 100 components and 1.18447 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.068023Jy sigma=0.340036 ! Fit after self-cal, rms=0.067893Jy sigma=0.337738 wmodel J1845+3541_S_map.mod ! Writing 100 model components to file: J1845+3541_S_map.mod wobs J1845+3541_S_uvs.fits ! Writing UV FITS file: J1845+3541_S_uvs.fits wwins J1845+3541_S_map.win ! wwins: Wrote 7 windows to J1845+3541_S_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 = -0.00143684 Jy ! Component: 100 - total flux cleaned = -0.00197412 Jy ! Component: 150 - total flux cleaned = -0.00255622 Jy ! Component: 200 - total flux cleaned = -0.00295379 Jy ! Component: 250 - total flux cleaned = -0.00325856 Jy ! Component: 300 - total flux cleaned = -0.00340822 Jy ! Component: 350 - total flux cleaned = -0.00362337 Jy ! Component: 400 - total flux cleaned = -0.00355484 Jy ! Component: 450 - total flux cleaned = -0.00389251 Jy ! Component: 500 - total flux cleaned = -0.00389088 Jy ! Component: 550 - total flux cleaned = -0.00395378 Jy ! Component: 600 - total flux cleaned = -0.0038917 Jy ! Component: 650 - total flux cleaned = -0.00401341 Jy ! Component: 700 - total flux cleaned = -0.00413035 Jy ! Component: 750 - total flux cleaned = -0.00407034 Jy ! Component: 800 - total flux cleaned = -0.00412862 Jy ! Component: 850 - total flux cleaned = -0.00423958 Jy ! Component: 900 - total flux cleaned = -0.00418641 Jy ! Component: 950 - total flux cleaned = -0.00434839 Jy ! Component: 1000 - total flux cleaned = -0.00440134 Jy ! Component: 1050 - total flux cleaned = -0.00450539 Jy ! Component: 1100 - total flux cleaned = -0.00450521 Jy ! Component: 1150 - total flux cleaned = -0.00450524 Jy ! Component: 1200 - total flux cleaned = -0.00455332 Jy ! Component: 1250 - total flux cleaned = -0.00450668 Jy ! Component: 1300 - total flux cleaned = -0.00464722 Jy ! Component: 1350 - total flux cleaned = -0.00464773 Jy ! Component: 1400 - total flux cleaned = -0.00482864 Jy ! Component: 1450 - total flux cleaned = -0.00496187 Jy ! Component: 1500 - total flux cleaned = -0.00491805 Jy ! Component: 1550 - total flux cleaned = -0.00513323 Jy ! Component: 1600 - total flux cleaned = -0.00517497 Jy ! Component: 1650 - total flux cleaned = -0.00530107 Jy ! Component: 1700 - total flux cleaned = -0.00530131 Jy ! Component: 1750 - total flux cleaned = -0.00538261 Jy ! Component: 1800 - total flux cleaned = -0.00554182 Jy ! Component: 1850 - total flux cleaned = -0.00565887 Jy ! Component: 1900 - total flux cleaned = -0.00558128 Jy ! Component: 1950 - total flux cleaned = -0.00580951 Jy ! Component: 2000 - total flux cleaned = -0.00558278 Jy ! Component: 2050 - total flux cleaned = -0.00573196 Jy ! Component: 2100 - total flux cleaned = -0.00565952 Jy ! Component: 2150 - total flux cleaned = -0.0058753 Jy ! Component: 2200 - total flux cleaned = -0.00598102 Jy ! Component: 2250 - total flux cleaned = -0.00598117 Jy ! Component: 2300 - total flux cleaned = -0.00605013 Jy ! Component: 2350 - total flux cleaned = -0.00605019 Jy ! Component: 2400 - total flux cleaned = -0.0060503 Jy ! Component: 2450 - total flux cleaned = -0.00621618 Jy ! Component: 2500 - total flux cleaned = -0.00618438 Jy ! Component: 2550 - total flux cleaned = -0.00618463 Jy ! Component: 2600 - total flux cleaned = -0.00624917 Jy ! Component: 2650 - total flux cleaned = -0.00634331 Jy ! Component: 2700 - total flux cleaned = -0.00637401 Jy ! Component: 2750 - total flux cleaned = -0.00634333 Jy ! Component: 2800 - total flux cleaned = -0.00649535 Jy ! Component: 2850 - total flux cleaned = -0.00646542 Jy ! Component: 2900 - total flux cleaned = -0.00649461 Jy ! Component: 2950 - total flux cleaned = -0.00640658 Jy ! Component: 3000 - total flux cleaned = -0.00643478 Jy ! Component: 3050 - total flux cleaned = -0.00634866 Jy ! Component: 3100 - total flux cleaned = -0.00634864 Jy ! Component: 3150 - total flux cleaned = -0.00632072 Jy ! Component: 3200 - total flux cleaned = -0.0063206 Jy ! Component: 3250 - total flux cleaned = -0.0062661 Jy ! Component: 3300 - total flux cleaned = -0.00615841 Jy ! Component: 3350 - total flux cleaned = -0.0061853 Jy ! Component: 3400 - total flux cleaned = -0.0061852 Jy ! Component: 3450 - total flux cleaned = -0.00623767 Jy ! Component: 3500 - total flux cleaned = -0.00623743 Jy ! Component: 3550 - total flux cleaned = -0.00626317 Jy ! Component: 3600 - total flux cleaned = -0.006314 Jy ! Component: 3650 - total flux cleaned = -0.00626394 Jy ! Component: 3700 - total flux cleaned = -0.00628854 Jy ! Component: 3750 - total flux cleaned = -0.00638661 Jy ! Component: 3800 - total flux cleaned = -0.00636247 Jy ! Component: 3850 - total flux cleaned = -0.00636263 Jy ! Component: 3900 - total flux cleaned = -0.0063865 Jy ! Component: 3950 - total flux cleaned = -0.00641021 Jy ! Component: 4000 - total flux cleaned = -0.00645708 Jy ! Component: 4050 - total flux cleaned = -0.00641114 Jy ! Total flux subtracted in 4096 components = -0.00652571 Jy ! Clean residual min=-0.001225 max=0.001343 Jy/beam ! Clean residual mean=-0.000002 rms=0.000414 Jy/beam ! Combined flux in latest and established models = 1.17794 Jy keep ! Adding 304 model components to the UV plane model. ! The established model now contains 402 components and 1.17794 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1845+3541_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.253 x 5.37 at -11.16 degrees (North through East) ! Clean map min=-0.0045861 max=0.74428 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1845+3541_S_map.fits wmodel /image_prod/ug002_uva//J1845+3541_S_map.mod ! Writing 402 model components to file: /image_prod/ug002_uva//J1845+3541_S_map.mod wobs /image_prod/ug002_uva//J1845+3541_S_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1845+3541_S_uvs.fits wwins /image_prod/ug002_uva//J1845+3541_S_map.win ! wwins: Wrote 8 windows to /image_prod/ug002_uva//J1845+3541_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.744277 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000411355 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.165807 0.165807 0.331615 0.663229 1.32646 2.65292 5.30583 10.6117 21.2233 42.4467 84.8933 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0012 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.744 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1809.33 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1845+3541_S_dfm.log closed on Thu Mar 5 03:54:32 2020