! Started logfile: /tmp/maps//J1921+0549_X_20180619_dfm.log on Wed Jul 4 23:35:36 2018 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 7.39200 obs /tmp/maps//J1921+0549_X_20180619_uva.fits ! Reading UV FITS file: /tmp/maps//J1921+0549_X_20180619_uva.fits ! AN table 1: 19 integrations on 28 of 28 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1921+0549 ! ! There are 8 IFs, and a total of 8 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 7.392e+09 3.2e+07 1 3.2e+07 ! 02 2 7.424e+09 3.2e+07 1 3.2e+07 ! 03 3 7.456e+09 3.2e+07 1 3.2e+07 ! 04 4 7.552e+09 3.2e+07 1 3.2e+07 ! 05 5 7.744e+09 3.2e+07 1 3.2e+07 ! 06 6 7.776e+09 3.2e+07 1 3.2e+07 ! 07 7 7.808e+09 3.2e+07 1 3.2e+07 ! 08 8 7.84e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 76 lines of history. ! ! Reading 4256 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 8 channels. ! Selecting polarization: RR, channels: 1..8 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ! Reading IF 5 channels: 5..5 ! Reading IF 6 channels: 6..6 ! Reading IF 7 channels: 7..7 ! Reading IF 8 channels: 8..8 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/opt64/bin/pima_mupet_01.dfm J1921+0549_X] float lim_self lim_self = 120.0 float lim_val lim_va = 1.2 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff print "===============================================================" ! =============================================================== ! print "=== Difmap script: pima_mupet_01.dvm version of 2016.05.19 === " ! === Difmap script: pima_mupet_01.dvm version of 2016.05.19 === ! mapsize field_size, field_cell ! Map grid = 1024x1024 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=1.001692Jy sigma=27.727780 ! Fit after self-cal, rms=0.957663Jy sigma=26.500848 ! 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=0.9279 mas, bmaj=3.586 mas, bpa=-18.81 degrees ! Estimated noise=0.61375 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 = 0.0311023 Jy ! Component: 100 - total flux cleaned = 0.0392197 Jy ! Total flux subtracted in 100 components = 0.0392197 Jy ! Clean residual min=-0.002131 max=0.003735 Jy/beam ! Clean residual mean=0.000000 rms=0.000680 Jy/beam ! Combined flux in latest and established models = 0.0392197 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.0392197 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.027955Jy sigma=0.696179 ! Fit after self-cal, rms=0.026664Jy sigma=0.660854 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00419994 Jy ! Component: 100 - total flux cleaned = 0.00637602 Jy ! Total flux subtracted in 100 components = 0.00637602 Jy ! Clean residual min=-0.001722 max=0.002620 Jy/beam ! Clean residual mean=-0.000000 rms=0.000506 Jy/beam ! Combined flux in latest and established models = 0.0455957 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 12 components and 0.0455957 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.025786Jy sigma=0.637883 ! Fit after self-cal, rms=0.025780Jy sigma=0.637818 ! 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=1.191 mas, bmaj=3.701 mas, bpa=-17.9 degrees ! Estimated noise=0.40726 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 = 0.00192172 Jy ! Component: 100 - total flux cleaned = 0.00207775 Jy ! Component: 150 - total flux cleaned = 0.00215269 Jy ! Component: 200 - total flux cleaned = 0.0021213 Jy ! Total flux subtracted in 200 components = 0.0021213 Jy ! Clean residual min=-0.001371 max=0.002192 Jy/beam ! Clean residual mean=-0.000002 rms=0.000444 Jy/beam ! Combined flux in latest and established models = 0.047717 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 23 components and 0.047717 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.025589Jy sigma=0.632719 ! Fit after self-cal, rms=0.025583Jy sigma=0.632614 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.191 x 3.701 at -17.9 degrees (North through East) ! Clean map min=-0.0013528 max=0.04087 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.03 KP 1.00 LA 1.04 ! MK 0.94 NL 1.06 OV 1.04 PT 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.04 KP 0.96 LA 0.96 ! MK 1.00 NL 1.06 OV 1.04 PT 1.01 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.95 KP 0.99 LA 1.06 ! MK 1.05 NL 1.00 OV 1.04 PT 0.92 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.96 KP 0.98 LA 0.98 ! MK 0.93 NL 1.13 OV 0.98 PT 1.01 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.97 KP 1.01 LA 1.05 ! MK 1.06 NL 1.02 OV 0.97 PT 0.94 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.02 KP 1.00 LA 0.97 ! MK 1.00 NL 1.06 OV 0.97 PT 0.98 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.87 FD 0.97 KP 0.99 LA 1.00 ! MK 1.08 NL 1.04 OV 1.10 PT 0.91 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.02 KP 0.95 LA 1.01 ! MK 1.05 NL 1.09 OV 0.98 PT 0.89 ! ! ! Fit before self-cal, rms=0.025583Jy sigma=0.632614 ! Fit after self-cal, rms=0.025693Jy sigma=0.627868 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.201 mas, bmaj=3.662 mas, bpa=-17.89 degrees ! Estimated noise=0.407436 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 (5.6, 4.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00207552 Jy ! Component: 100 - total flux cleaned = 0.0031984 Jy ! Component: 150 - total flux cleaned = 0.00389886 Jy ! Component: 200 - total flux cleaned = 0.00413387 Jy ! Total flux subtracted in 200 components = 0.00413387 Jy ! Clean residual min=-0.000985 max=0.000834 Jy/beam ! Clean residual mean=-0.000001 rms=0.000227 Jy/beam ! Combined flux in latest and established models = 0.0518509 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 58 components and 0.0518509 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.025523Jy sigma=0.622240 ! Fit after self-cal, rms=0.025520Jy sigma=0.621965 ! 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. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.025520Jy sigma=0.621965 ! Fit after self-cal, rms=0.025502Jy sigma=0.621834 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.204 mas, bmaj=3.666 mas, bpa=-17.89 degrees ! Estimated noise=0.40705 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000410961 Jy ! Component: 100 - total flux cleaned = 0.000564011 Jy ! Component: 150 - total flux cleaned = 0.000737873 Jy ! Component: 200 - total flux cleaned = 0.000894955 Jy ! Total flux subtracted in 200 components = 0.000894955 Jy ! Clean residual min=-0.000845 max=0.000821 Jy/beam ! Clean residual mean=-0.000001 rms=0.000206 Jy/beam ! Combined flux in latest and established models = 0.0527458 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 76 components and 0.0527458 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.025486Jy sigma=0.621279 ! Fit after self-cal, rms=0.025487Jy sigma=0.621257 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 = 8.344e-05 Jy ! Component: 100 - total flux cleaned = 0.000118306 Jy ! Component: 150 - total flux cleaned = 0.000149841 Jy ! Component: 200 - total flux cleaned = 0.000157213 Jy ! Total flux subtracted in 200 components = 0.000157213 Jy ! Clean residual min=-0.000796 max=0.000817 Jy/beam ! Clean residual mean=-0.000001 rms=0.000200 Jy/beam ! Combined flux in latest and established models = 0.052903 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 93 components and 0.052903 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.025483Jy sigma=0.621094 ! Fit after self-cal, rms=0.025483Jy sigma=0.621088 ! 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. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.025483Jy sigma=0.621088 ! Fit after self-cal, rms=0.025516Jy sigma=0.620124 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.204 mas, bmaj=3.664 mas, bpa=-17.9 degrees ! Estimated noise=0.407979 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000168953 Jy ! Component: 100 - total flux cleaned = 0.000242515 Jy ! Component: 150 - total flux cleaned = 0.000269361 Jy ! Component: 200 - total flux cleaned = 0.000269562 Jy ! Total flux subtracted in 200 components = 0.000269562 Jy ! Clean residual min=-0.000788 max=0.000822 Jy/beam ! Clean residual mean=-0.000001 rms=0.000196 Jy/beam ! Combined flux in latest and established models = 0.0531726 Jy selfcal ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 105 components and 0.0531726 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.025512Jy sigma=0.620008 ! Fit after self-cal, rms=0.025513Jy sigma=0.620001 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 = -1.29372e-05 Jy ! Component: 100 - total flux cleaned = -1.29921e-05 Jy ! Component: 150 - total flux cleaned = -1.31793e-05 Jy ! Component: 200 - total flux cleaned = -1.30876e-05 Jy ! Total flux subtracted in 200 components = -1.30876e-05 Jy ! Clean residual min=-0.000788 max=0.000809 Jy/beam ! Clean residual mean=-0.000001 rms=0.000194 Jy/beam ! Combined flux in latest and established models = 0.0531595 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 118 components and 0.0531595 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.025510Jy sigma=0.619928 ! Fit after self-cal, rms=0.025510Jy sigma=0.619925 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.025510Jy sigma=0.619925 ! Fit after self-cal, rms=0.025542Jy sigma=0.619172 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.569 mas, bmaj=3.701 mas, bpa=-8.212 degrees ! Estimated noise=0.466157 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000178128 Jy ! Component: 100 - total flux cleaned = 0.000167546 Jy ! Component: 150 - total flux cleaned = 0.000142547 Jy ! Component: 200 - total flux cleaned = 0.000124329 Jy ! Total flux subtracted in 200 components = 0.000124329 Jy ! Clean residual min=-0.000795 max=0.000731 Jy/beam ! Clean residual mean=-0.000001 rms=0.000199 Jy/beam ! Combined flux in latest and established models = 0.0532838 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 137 components and 0.0532838 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.025540Jy sigma=0.619137 ! Fit after self-cal, rms=0.025541Jy sigma=0.619130 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 = 1.02965e-05 Jy ! Component: 100 - total flux cleaned = -2.91785e-06 Jy ! Component: 150 - total flux cleaned = -1.11195e-05 Jy ! Component: 200 - total flux cleaned = -1.48936e-05 Jy ! Total flux subtracted in 200 components = -1.48936e-05 Jy ! Clean residual min=-0.000781 max=0.000722 Jy/beam ! Clean residual mean=-0.000001 rms=0.000198 Jy/beam ! Combined flux in latest and established models = 0.0532689 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 145 components and 0.0532689 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.025539Jy sigma=0.619102 ! Fit after self-cal, rms=0.025540Jy sigma=0.619097 ! 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=1.205 mas, bmaj=3.663 mas, bpa=-17.9 degrees ! Estimated noise=0.408666 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.205 x 3.663 at -17.9 degrees (North through East) ! Clean map min=-0.00074332 max=0.041211 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=0.9376 mas, bmaj=3.536 mas, bpa=-18.87 degrees ! Estimated noise=0.619539 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0323126 Jy ! Component: 100 - total flux cleaned = 0.0403716 Jy ! Component: 150 - total flux cleaned = 0.0438697 Jy ! Component: 200 - total flux cleaned = 0.0459509 Jy ! Total flux subtracted in 200 components = 0.0459509 Jy ! Clean residual min=-0.001571 max=0.001782 Jy/beam ! Clean residual mean=-0.000000 rms=0.000438 Jy/beam ! Combined flux in latest and established models = 0.0459509 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 14 model components to the UV plane model. ! The established model now contains 14 components and 0.0459509 Jy ! Inverting map and beam ! Estimated beam: bmin=1.205 mas, bmaj=3.663 mas, bpa=-17.9 degrees ! Estimated noise=0.408666 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 (1.8, 1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00228672 Jy ! Component: 100 - total flux cleaned = 0.00378478 Jy ! Component: 150 - total flux cleaned = 0.00478356 Jy ! Component: 200 - total flux cleaned = 0.005321 Jy ! Total flux subtracted in 200 components = 0.005321 Jy ! Clean residual min=-0.001042 max=0.000934 Jy/beam ! Clean residual mean=-0.000001 rms=0.000260 Jy/beam ! Combined flux in latest and established models = 0.0512719 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 53 components and 0.0512719 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.569 mas, bmaj=3.701 mas, bpa=-8.212 degrees ! Estimated noise=0.466157 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000863899 Jy ! Component: 100 - total flux cleaned = 0.00121003 Jy ! Component: 150 - total flux cleaned = 0.00137361 Jy ! Component: 200 - total flux cleaned = 0.00150552 Jy ! Total flux subtracted in 200 components = 0.00150552 Jy ! Clean residual min=-0.001015 max=0.000765 Jy/beam ! Clean residual mean=-0.000001 rms=0.000228 Jy/beam ! Combined flux in latest and established models = 0.0527774 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 = 4.89023e-05 Jy ! Component: 100 - total flux cleaned = 0.000113144 Jy ! Component: 150 - total flux cleaned = 0.000158079 Jy ! Component: 200 - total flux cleaned = 0.000167592 Jy ! Total flux subtracted in 200 components = 0.000167592 Jy ! Clean residual min=-0.000916 max=0.000709 Jy/beam ! Clean residual mean=-0.000001 rms=0.000208 Jy/beam ! Combined flux in latest and established models = 0.052945 Jy ! Adding 76 model components to the UV plane model. ! The established model now contains 119 components and 0.052945 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.205 mas, bmaj=3.663 mas, bpa=-17.9 degrees ! Estimated noise=0.408666 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000237164 Jy ! Component: 100 - total flux cleaned = -0.000287197 Jy ! Component: 150 - total flux cleaned = -0.000278077 Jy ! Component: 200 - total flux cleaned = -0.000245626 Jy ! Total flux subtracted in 200 components = -0.000245626 Jy ! Clean residual min=-0.000817 max=0.000743 Jy/beam ! Clean residual mean=-0.000001 rms=0.000188 Jy/beam ! Combined flux in latest and established models = 0.0526994 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 137 components and 0.0526994 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.025534Jy sigma=0.618965 ! Fit after self-cal, rms=0.025532Jy sigma=0.618925 wmodel J1921+0549_X_map.mod ! Writing 137 model components to file: J1921+0549_X_map.mod wobs J1921+0549_X_uvs.fits ! Writing UV FITS file: J1921+0549_X_uvs.fits wwins J1921+0549_X_map.win ! wwins: Wrote 3 windows to J1921+0549_X_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 = -0.000217267 Jy ! Component: 100 - total flux cleaned = -0.000365153 Jy ! Component: 150 - total flux cleaned = -0.000422403 Jy ! Component: 200 - total flux cleaned = -0.00041124 Jy ! Component: 250 - total flux cleaned = -0.000389903 Jy ! Component: 300 - total flux cleaned = -0.000389687 Jy ! Component: 350 - total flux cleaned = -0.000350933 Jy ! Component: 400 - total flux cleaned = -0.000360122 Jy ! Component: 450 - total flux cleaned = -0.000341693 Jy ! Component: 500 - total flux cleaned = -0.000315017 Jy ! Component: 550 - total flux cleaned = -0.000297829 Jy ! Component: 600 - total flux cleaned = -0.000281115 Jy ! Component: 650 - total flux cleaned = -0.000272972 Jy ! Component: 700 - total flux cleaned = -0.000264873 Jy ! Component: 750 - total flux cleaned = -0.000264721 Jy ! Component: 800 - total flux cleaned = -0.00027236 Jy ! Component: 850 - total flux cleaned = -0.000272419 Jy ! Component: 900 - total flux cleaned = -0.000294512 Jy ! Component: 950 - total flux cleaned = -0.000280081 Jy ! Component: 1000 - total flux cleaned = -0.000265998 Jy ! Component: 1050 - total flux cleaned = -0.000238172 Jy ! Component: 1100 - total flux cleaned = -0.00023129 Jy ! Component: 1150 - total flux cleaned = -0.000197608 Jy ! Component: 1200 - total flux cleaned = -0.000157867 Jy ! Component: 1250 - total flux cleaned = -0.00012524 Jy ! Component: 1300 - total flux cleaned = -0.000125269 Jy ! Component: 1350 - total flux cleaned = -9.34153e-05 Jy ! Component: 1400 - total flux cleaned = -7.46047e-05 Jy ! Component: 1450 - total flux cleaned = -4.36756e-05 Jy ! Component: 1500 - total flux cleaned = -2.53753e-05 Jy ! Component: 1550 - total flux cleaned = -7.30049e-06 Jy ! Component: 1600 - total flux cleaned = 2.83343e-05 Jy ! Component: 1650 - total flux cleaned = 3.41082e-05 Jy ! Component: 1700 - total flux cleaned = 6.8876e-05 Jy ! Component: 1750 - total flux cleaned = 9.17609e-05 Jy ! Component: 1800 - total flux cleaned = 9.73799e-05 Jy ! Component: 1850 - total flux cleaned = 0.000119746 Jy ! Component: 1900 - total flux cleaned = 0.000130727 Jy ! Component: 1950 - total flux cleaned = 0.000125271 Jy ! Component: 2000 - total flux cleaned = 0.000136142 Jy ! Component: 2050 - total flux cleaned = 0.000136131 Jy ! Component: 2100 - total flux cleaned = 0.000152019 Jy ! Component: 2150 - total flux cleaned = 0.000157187 Jy ! Component: 2200 - total flux cleaned = 0.000157174 Jy ! Component: 2250 - total flux cleaned = 0.000188014 Jy ! Component: 2300 - total flux cleaned = 0.000193032 Jy ! Component: 2350 - total flux cleaned = 0.000208179 Jy ! Component: 2400 - total flux cleaned = 0.000223251 Jy ! Component: 2450 - total flux cleaned = 0.000228248 Jy ! Component: 2500 - total flux cleaned = 0.000233219 Jy ! Component: 2550 - total flux cleaned = 0.00025278 Jy ! Component: 2600 - total flux cleaned = 0.000267388 Jy ! Component: 2650 - total flux cleaned = 0.00030115 Jy ! Component: 2700 - total flux cleaned = 0.000305907 Jy ! Component: 2750 - total flux cleaned = 0.00032493 Jy ! Component: 2800 - total flux cleaned = 0.000348521 Jy ! Component: 2850 - total flux cleaned = 0.000381319 Jy ! Component: 2900 - total flux cleaned = 0.000390642 Jy ! Component: 2950 - total flux cleaned = 0.000404519 Jy ! Component: 3000 - total flux cleaned = 0.000418323 Jy ! Component: 3050 - total flux cleaned = 0.000427525 Jy ! Component: 3100 - total flux cleaned = 0.000441145 Jy ! Component: 3150 - total flux cleaned = 0.000454682 Jy ! Component: 3200 - total flux cleaned = 0.000445738 Jy ! Component: 3250 - total flux cleaned = 0.000459151 Jy ! Component: 3300 - total flux cleaned = 0.000454709 Jy ! Component: 3350 - total flux cleaned = 0.000454721 Jy ! Component: 3400 - total flux cleaned = 0.00046356 Jy ! Component: 3450 - total flux cleaned = 0.000454774 Jy ! Component: 3500 - total flux cleaned = 0.000476701 Jy ! Component: 3550 - total flux cleaned = 0.00047231 Jy ! Component: 3600 - total flux cleaned = 0.000481015 Jy ! Component: 3650 - total flux cleaned = 0.00048967 Jy ! Component: 3700 - total flux cleaned = 0.000489672 Jy ! Component: 3750 - total flux cleaned = 0.000485369 Jy ! Component: 3800 - total flux cleaned = 0.000506807 Jy ! Component: 3850 - total flux cleaned = 0.000515356 Jy ! Component: 3900 - total flux cleaned = 0.000519618 Jy ! Component: 3950 - total flux cleaned = 0.000523867 Jy ! Component: 4000 - total flux cleaned = 0.00054512 Jy ! Component: 4050 - total flux cleaned = 0.000540873 Jy ! Total flux subtracted in 4096 components = 0.000557822 Jy ! Clean residual min=-0.000288 max=0.000280 Jy/beam ! Clean residual mean=0.000000 rms=0.000072 Jy/beam ! Combined flux in latest and established models = 0.0532572 Jy keep ! Adding 230 model components to the UV plane model. ! The established model now contains 367 components and 0.0532572 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /tmp/maps//J1921+0549_X_20180619_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.205 x 3.663 at -17.9 degrees (North through East) ! Clean map min=-0.00047139 max=0.042195 Jy/beam ! Writing clean map to FITS file: /tmp/maps//J1921+0549_X_20180619_map.fits wmodel /tmp/maps//J1921+0549_X_20180619_map.mod ! Writing 367 model components to file: /tmp/maps//J1921+0549_X_20180619_map.mod wobs /tmp/maps//J1921+0549_X_20180619_uvs.fits ! Writing UV FITS file: /tmp/maps//J1921+0549_X_20180619_uvs.fits wwins /tmp/maps//J1921+0549_X_20180619_map.win ! wwins: Wrote 4 windows to /tmp/maps//J1921+0549_X_20180619_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0421946 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 7.37791e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.524563 0.524563 1.04913 2.09825 4.19651 8.39301 16.786 33.572 67.1441 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0002 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.042 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 571.904 quit ! Quitting program ! Log file /tmp/maps//J1921+0549_X_20180619_dfm.log closed on Wed Jul 4 23:35:40 2018