! Started logfile: /image_prod/ug002_uva//J1957+3338_S_dfm.log on Thu Mar 5 04:29:40 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//J1957+3338_S_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1957+3338_S_uva.fits ! AN table 1: 90 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.984444 visibilities/baseline/integration-bin. ! Found source: J1957+3338 ! ! 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 44 lines of history. ! ! Reading 11961 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+3338_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 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.005383Jy sigma=8.392373 ! Fit after self-cal, rms=0.924096Jy sigma=7.678080 ! 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=3.057 mas, bmaj=5.216 mas, bpa=-11.06 degrees ! Estimated noise=1.45934 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 = 0.057042 Jy ! Component: 100 - total flux cleaned = 0.0754702 Jy ! Total flux subtracted in 100 components = 0.0754702 Jy ! Clean residual min=-0.006211 max=0.008678 Jy/beam ! Clean residual mean=-0.000003 rms=0.001498 Jy/beam ! Combined flux in latest and established models = 0.0754702 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 0.0754702 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.072376Jy sigma=0.534907 ! Fit after self-cal, rms=0.071814Jy sigma=0.532000 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00990772 Jy ! Component: 100 - total flux cleaned = 0.0155147 Jy ! Total flux subtracted in 100 components = 0.0155147 Jy ! Clean residual min=-0.005480 max=0.008354 Jy/beam ! Clean residual mean=-0.000001 rms=0.001339 Jy/beam ! Combined flux in latest and established models = 0.0909849 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 26 components and 0.0909849 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.070385Jy sigma=0.512011 ! Fit after self-cal, rms=0.070384Jy sigma=0.511874 ! Inverting map ! Added new window around map position (-15, 4.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00861126 Jy ! Component: 100 - total flux cleaned = 0.0135302 Jy ! Total flux subtracted in 100 components = 0.0135302 Jy ! Clean residual min=-0.004874 max=0.005670 Jy/beam ! Clean residual mean=0.000001 rms=0.001194 Jy/beam ! Combined flux in latest and established models = 0.104515 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 35 components and 0.104515 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.069216Jy sigma=0.496827 ! Fit after self-cal, rms=0.069114Jy sigma=0.495669 ! 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=3.777 mas, bmaj=6.246 mas, bpa=-10.2 degrees ! Estimated noise=0.804529 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 = 0.006329 Jy ! Component: 100 - total flux cleaned = 0.0103033 Jy ! Component: 150 - total flux cleaned = 0.0131778 Jy ! Component: 200 - total flux cleaned = 0.0153363 Jy ! Total flux subtracted in 200 components = 0.0153363 Jy ! Clean residual min=-0.004260 max=0.007521 Jy/beam ! Clean residual mean=-0.000000 rms=0.001284 Jy/beam ! Combined flux in latest and established models = 0.119851 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 68 components and 0.119851 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.068638Jy sigma=0.487232 ! Fit after self-cal, rms=0.068598Jy sigma=0.486579 ! Inverting map ! Added new window around map position (-29, 29). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00782269 Jy ! Component: 100 - total flux cleaned = 0.0126247 Jy ! Component: 150 - total flux cleaned = 0.016214 Jy ! Component: 200 - total flux cleaned = 0.0190977 Jy ! Total flux subtracted in 200 components = 0.0190977 Jy ! Clean residual min=-0.003391 max=0.005338 Jy/beam ! Clean residual mean=-0.000007 rms=0.000983 Jy/beam ! Combined flux in latest and established models = 0.138949 Jy ! Performing phase self-cal ! Adding 49 model components to the UV plane model. ! The established model now contains 111 components and 0.138949 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.067726Jy sigma=0.474628 ! Fit after self-cal, rms=0.067613Jy sigma=0.473468 ! Inverting map ! Added new window around map position (-27.5, 44). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00519345 Jy ! Component: 100 - total flux cleaned = 0.00823552 Jy ! Component: 150 - total flux cleaned = 0.0106058 Jy ! Component: 200 - total flux cleaned = 0.01256 Jy ! Total flux subtracted in 200 components = 0.01256 Jy ! Clean residual min=-0.003175 max=0.003442 Jy/beam ! Clean residual mean=-0.000006 rms=0.000847 Jy/beam ! Combined flux in latest and established models = 0.151509 Jy ! Performing phase self-cal ! Adding 54 model components to the UV plane model. ! The established model now contains 155 components and 0.151509 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.067193Jy sigma=0.468401 ! Fit after self-cal, rms=0.067136Jy sigma=0.467896 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.777 x 6.246 at -10.2 degrees (North through East) ! Clean map min=-0.0030517 max=0.078229 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.03 HN 0.99 KP 1.00 ! LA 0.98 MK 0.99 NL 1.05 OV 0.92 ! PT 0.99 SC 1.07 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.02 HN 0.98 KP 0.99 ! LA 0.99 MK 0.97 NL 1.02 OV 0.92 ! PT 0.98 SC 1.06 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.00 HN 0.98 KP 1.00 ! LA 0.98 MK 0.96 NL 0.95 OV 0.93 ! PT 0.98 SC 1.07 ! ! ! Fit before self-cal, rms=0.067136Jy sigma=0.467896 ! Fit after self-cal, rms=0.067165Jy sigma=0.466327 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.789 mas, bmaj=6.31 mas, bpa=-11.14 degrees ! Estimated noise=0.786404 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 = 0.00121632 Jy ! Component: 100 - total flux cleaned = 0.00189259 Jy ! Component: 150 - total flux cleaned = 0.00264966 Jy ! Component: 200 - total flux cleaned = 0.00326911 Jy ! Total flux subtracted in 200 components = 0.00326911 Jy ! Clean residual min=-0.002882 max=0.002670 Jy/beam ! Clean residual mean=-0.000006 rms=0.000756 Jy/beam ! Combined flux in latest and established models = 0.154778 Jy ! Performing phase self-cal ! Adding 49 model components to the UV plane model. ! The established model now contains 188 components and 0.154778 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.067038Jy sigma=0.465044 ! Fit after self-cal, rms=0.067078Jy sigma=0.464940 ! 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=0.067078Jy sigma=0.464940 ! Fit after self-cal, rms=0.078506Jy sigma=0.457506 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.771 mas, bmaj=6.305 mas, bpa=-10.83 degrees ! Estimated noise=0.785111 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00122336 Jy ! Component: 100 - total flux cleaned = 0.00181245 Jy ! Component: 150 - total flux cleaned = 0.00226593 Jy ! Component: 200 - total flux cleaned = 0.00268729 Jy ! Total flux subtracted in 200 components = 0.00268729 Jy ! Clean residual min=-0.002047 max=0.002317 Jy/beam ! Clean residual mean=0.000001 rms=0.000511 Jy/beam ! Combined flux in latest and established models = 0.157465 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 208 components and 0.157466 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.078463Jy sigma=0.456823 ! Fit after self-cal, rms=0.078802Jy sigma=0.456619 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 (100, 82.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00211049 Jy ! Component: 100 - total flux cleaned = 0.00304794 Jy ! Component: 150 - total flux cleaned = 0.00329217 Jy ! Component: 200 - total flux cleaned = 0.00347604 Jy ! Total flux subtracted in 200 components = 0.00347604 Jy ! Clean residual min=-0.001849 max=0.001931 Jy/beam ! Clean residual mean=0.000002 rms=0.000476 Jy/beam ! Combined flux in latest and established models = 0.160942 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 237 components and 0.160942 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.078732Jy sigma=0.455849 ! Fit after self-cal, rms=0.078725Jy sigma=0.455780 ! 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=0.078725Jy sigma=0.455780 ! Fit after self-cal, rms=0.080004Jy sigma=0.455657 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.772 mas, bmaj=6.317 mas, bpa=-10.64 degrees ! Estimated noise=0.784371 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000957848 Jy ! Component: 100 - total flux cleaned = 0.00141259 Jy ! Component: 150 - total flux cleaned = 0.00170176 Jy ! Component: 200 - total flux cleaned = 0.00188641 Jy ! Total flux subtracted in 200 components = 0.00188641 Jy ! Clean residual min=-0.001762 max=0.001905 Jy/beam ! Clean residual mean=0.000002 rms=0.000457 Jy/beam ! Combined flux in latest and established models = 0.162828 Jy selfcal ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 252 components and 0.162828 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.079979Jy sigma=0.455385 ! Fit after self-cal, rms=0.080002Jy sigma=0.455367 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 = 0.000415604 Jy ! Component: 100 - total flux cleaned = 0.000584674 Jy ! Component: 150 - total flux cleaned = 0.000719228 Jy ! Component: 200 - total flux cleaned = 0.000803758 Jy ! Total flux subtracted in 200 components = 0.000803758 Jy ! Clean residual min=-0.001752 max=0.001837 Jy/beam ! Clean residual mean=0.000002 rms=0.000451 Jy/beam ! Combined flux in latest and established models = 0.163632 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 262 components and 0.163632 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.079989Jy sigma=0.455230 ! Fit after self-cal, rms=0.079989Jy sigma=0.455224 ! 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=0.079989Jy sigma=0.455224 ! Fit after self-cal, rms=0.080154Jy sigma=0.455194 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.027 mas, bmaj=10.03 mas, bpa=-4.56 degrees ! Estimated noise=0.924928 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00132868 Jy ! Component: 100 - total flux cleaned = 0.00186923 Jy ! Component: 150 - total flux cleaned = 0.0020906 Jy ! Component: 200 - total flux cleaned = 0.00228837 Jy ! Total flux subtracted in 200 components = 0.00228837 Jy ! Clean residual min=-0.002081 max=0.002447 Jy/beam ! Clean residual mean=0.000002 rms=0.000594 Jy/beam ! Combined flux in latest and established models = 0.16592 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 272 components and 0.16592 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.080148Jy sigma=0.455126 ! Fit after self-cal, rms=0.080155Jy sigma=0.455105 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 = 0.000284493 Jy ! Component: 100 - total flux cleaned = 0.000442087 Jy ! Component: 150 - total flux cleaned = 0.000566004 Jy ! Component: 200 - total flux cleaned = 0.000680576 Jy ! Total flux subtracted in 200 components = 0.000680576 Jy ! Clean residual min=-0.002074 max=0.002415 Jy/beam ! Clean residual mean=0.000002 rms=0.000583 Jy/beam ! Combined flux in latest and established models = 0.166601 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 281 components and 0.166601 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.080154Jy sigma=0.455085 ! Fit after self-cal, rms=0.080151Jy sigma=0.455080 ! 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=3.775 mas, bmaj=6.321 mas, bpa=-10.51 degrees ! Estimated noise=0.783632 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.775 x 6.321 at -10.51 degrees (North through East) ! Clean map min=-0.0017308 max=0.076377 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "============== Clearing model and starting over ==========" ! ============== Clearing model and starting over ========== clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.057 mas, bmaj=5.258 mas, bpa=-11.58 degrees ! Estimated noise=1.4307 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0559361 Jy ! Component: 100 - total flux cleaned = 0.0747638 Jy ! Component: 150 - total flux cleaned = 0.0864607 Jy ! Component: 200 - total flux cleaned = 0.0949944 Jy ! Total flux subtracted in 200 components = 0.0949944 Jy ! Clean residual min=-0.004469 max=0.005816 Jy/beam ! Clean residual mean=0.000003 rms=0.001160 Jy/beam ! Combined flux in latest and established models = 0.0949944 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 29 model components to the UV plane model. ! The established model now contains 29 components and 0.0949944 Jy ! Inverting map and beam ! Estimated beam: bmin=3.775 mas, bmaj=6.321 mas, bpa=-10.51 degrees ! Estimated noise=0.783632 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 = 0.0103995 Jy ! Component: 100 - total flux cleaned = 0.0186055 Jy ! Component: 150 - total flux cleaned = 0.025361 Jy ! Component: 200 - total flux cleaned = 0.0310228 Jy ! Total flux subtracted in 200 components = 0.0310228 Jy ! Clean residual min=-0.003073 max=0.003559 Jy/beam ! Clean residual mean=0.000002 rms=0.000878 Jy/beam ! Combined flux in latest and established models = 0.126017 Jy ! Adding 73 model components to the UV plane model. ! The established model now contains 96 components and 0.126017 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=8.027 mas, bmaj=10.03 mas, bpa=-4.56 degrees ! Estimated noise=0.924928 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00818383 Jy ! Component: 100 - total flux cleaned = 0.0142297 Jy ! Component: 150 - total flux cleaned = 0.0189597 Jy ! Component: 200 - total flux cleaned = 0.0227438 Jy ! Total flux subtracted in 200 components = 0.0227438 Jy ! Clean residual min=-0.002700 max=0.003141 Jy/beam ! Clean residual mean=0.000002 rms=0.000848 Jy/beam ! Combined flux in latest and established models = 0.148761 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 = 0.00309979 Jy ! Component: 100 - total flux cleaned = 0.0056706 Jy ! Component: 150 - total flux cleaned = 0.00781028 Jy ! Component: 200 - total flux cleaned = 0.00959776 Jy ! Total flux subtracted in 200 components = 0.00959776 Jy ! Clean residual min=-0.002163 max=0.002550 Jy/beam ! Clean residual mean=0.000002 rms=0.000652 Jy/beam ! Combined flux in latest and established models = 0.158359 Jy ! Adding 138 model components to the UV plane model. ! The established model now contains 223 components and 0.158359 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.775 mas, bmaj=6.321 mas, bpa=-10.51 degrees ! Estimated noise=0.783632 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00161122 Jy ! Component: 100 - total flux cleaned = 0.00277772 Jy ! Component: 150 - total flux cleaned = 0.00346922 Jy ! Component: 200 - total flux cleaned = 0.00404487 Jy ! Total flux subtracted in 200 components = 0.00404487 Jy ! Clean residual min=-0.001940 max=0.002307 Jy/beam ! Clean residual mean=0.000002 rms=0.000468 Jy/beam ! Combined flux in latest and established models = 0.162404 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 252 components and 0.162404 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.080228Jy sigma=0.456054 ! Fit after self-cal, rms=0.080197Jy sigma=0.455909 wmodel J1957+3338_S_map.mod ! Writing 252 model components to file: J1957+3338_S_map.mod wobs J1957+3338_S_uvs.fits ! Writing UV FITS file: J1957+3338_S_uvs.fits wwins J1957+3338_S_map.win ! wwins: Wrote 5 windows to J1957+3338_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 = 0.00039993 Jy ! Component: 100 - total flux cleaned = 0.000495712 Jy ! Component: 150 - total flux cleaned = 0.000526105 Jy ! Component: 200 - total flux cleaned = 0.000438505 Jy ! Component: 250 - total flux cleaned = 0.000353223 Jy ! Component: 300 - total flux cleaned = 0.00032553 Jy ! Component: 350 - total flux cleaned = 0.000272432 Jy ! Component: 400 - total flux cleaned = 0.000272404 Jy ! Component: 450 - total flux cleaned = 0.000247543 Jy ! Component: 500 - total flux cleaned = 0.000199607 Jy ! Component: 550 - total flux cleaned = 0.000152479 Jy ! Component: 600 - total flux cleaned = 8.35023e-05 Jy ! Component: 650 - total flux cleaned = 3.81199e-05 Jy ! Component: 700 - total flux cleaned = -2.9452e-05 Jy ! Component: 750 - total flux cleaned = -7.34029e-05 Jy ! Component: 800 - total flux cleaned = -0.000158998 Jy ! Component: 850 - total flux cleaned = -0.000179749 Jy ! Component: 900 - total flux cleaned = -0.000241758 Jy ! Component: 950 - total flux cleaned = -0.000241981 Jy ! Component: 1000 - total flux cleaned = -0.000302385 Jy ! Component: 1050 - total flux cleaned = -0.000341758 Jy ! Component: 1100 - total flux cleaned = -0.00040025 Jy ! Component: 1150 - total flux cleaned = -0.000419327 Jy ! Component: 1200 - total flux cleaned = -0.000419753 Jy ! Component: 1250 - total flux cleaned = -0.000438864 Jy ! Component: 1300 - total flux cleaned = -0.000512431 Jy ! Component: 1350 - total flux cleaned = -0.000512366 Jy ! Component: 1400 - total flux cleaned = -0.000566247 Jy ! Component: 1450 - total flux cleaned = -0.000601738 Jy ! Component: 1500 - total flux cleaned = -0.000636732 Jy ! Component: 1550 - total flux cleaned = -0.000706052 Jy ! Component: 1600 - total flux cleaned = -0.00074057 Jy ! Component: 1650 - total flux cleaned = -0.000808301 Jy ! Component: 1700 - total flux cleaned = -0.000841771 Jy ! Component: 1750 - total flux cleaned = -0.000891688 Jy ! Component: 1800 - total flux cleaned = -0.000973686 Jy ! Component: 1850 - total flux cleaned = -0.00100607 Jy ! Component: 1900 - total flux cleaned = -0.00110251 Jy ! Component: 1950 - total flux cleaned = -0.00110248 Jy ! Component: 2000 - total flux cleaned = -0.00113409 Jy ! Component: 2050 - total flux cleaned = -0.00118102 Jy ! Component: 2100 - total flux cleaned = -0.00122742 Jy ! Component: 2150 - total flux cleaned = -0.00124266 Jy ! Component: 2200 - total flux cleaned = -0.00133365 Jy ! Component: 2250 - total flux cleaned = -0.00133366 Jy ! Component: 2300 - total flux cleaned = -0.00131889 Jy ! Component: 2350 - total flux cleaned = -0.00133367 Jy ! Component: 2400 - total flux cleaned = -0.00142119 Jy ! Component: 2450 - total flux cleaned = -0.00139207 Jy ! Component: 2500 - total flux cleaned = -0.00134924 Jy ! Component: 2550 - total flux cleaned = -0.00136343 Jy ! Component: 2600 - total flux cleaned = -0.00139179 Jy ! Component: 2650 - total flux cleaned = -0.00129385 Jy ! Component: 2700 - total flux cleaned = -0.00134966 Jy ! Component: 2750 - total flux cleaned = -0.00130804 Jy ! Component: 2800 - total flux cleaned = -0.00129446 Jy ! Component: 2850 - total flux cleaned = -0.00126727 Jy ! Component: 2900 - total flux cleaned = -0.00119982 Jy ! Component: 2950 - total flux cleaned = -0.00121324 Jy ! Component: 3000 - total flux cleaned = -0.00118671 Jy ! Component: 3050 - total flux cleaned = -0.00117361 Jy ! Component: 3100 - total flux cleaned = -0.00110815 Jy ! Component: 3150 - total flux cleaned = -0.00103005 Jy ! Component: 3200 - total flux cleaned = -0.00103011 Jy ! Component: 3250 - total flux cleaned = -0.000978694 Jy ! Component: 3300 - total flux cleaned = -0.000915217 Jy ! Component: 3350 - total flux cleaned = -0.000928004 Jy ! Component: 3400 - total flux cleaned = -0.000865166 Jy ! Component: 3450 - total flux cleaned = -0.00080269 Jy ! Component: 3500 - total flux cleaned = -0.000777904 Jy ! Component: 3550 - total flux cleaned = -0.000765548 Jy ! Component: 3600 - total flux cleaned = -0.000692147 Jy ! Component: 3650 - total flux cleaned = -0.000704218 Jy ! Component: 3700 - total flux cleaned = -0.000643846 Jy ! Component: 3750 - total flux cleaned = -0.000607932 Jy ! Component: 3800 - total flux cleaned = -0.000584079 Jy ! Component: 3850 - total flux cleaned = -0.000548608 Jy ! Component: 3900 - total flux cleaned = -0.000572158 Jy ! Component: 3950 - total flux cleaned = -0.000525285 Jy ! Component: 4000 - total flux cleaned = -0.00054858 Jy ! Component: 4050 - total flux cleaned = -0.000537051 Jy ! Total flux subtracted in 4096 components = -0.000560047 Jy ! Clean residual min=-0.000692 max=0.000631 Jy/beam ! Clean residual mean=0.000001 rms=0.000216 Jy/beam ! Combined flux in latest and established models = 0.161844 Jy keep ! Adding 310 model components to the UV plane model. ! The established model now contains 562 components and 0.161844 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1957+3338_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.775 x 6.321 at -10.51 degrees (North through East) ! Clean map min=-0.0012904 max=0.076683 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1957+3338_S_map.fits wmodel /image_prod/ug002_uva//J1957+3338_S_map.mod ! Writing 562 model components to file: /image_prod/ug002_uva//J1957+3338_S_map.mod wobs /image_prod/ug002_uva//J1957+3338_S_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1957+3338_S_uvs.fits wwins /image_prod/ug002_uva//J1957+3338_S_map.win ! wwins: Wrote 6 windows to /image_prod/ug002_uva//J1957+3338_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.076683 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000215798 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.844246 0.844246 1.68849 3.37698 6.75397 13.5079 27.0159 54.0317 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.076 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 355.346 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1957+3338_S_dfm.log closed on Thu Mar 5 04:29:44 2020