! Started logfile: /vlbi/sb072/temp_maps//J1908+2222_C_dfm.log on Tue Mar 5 23:30:15 2019 float field_size field_size = 1024 float field_cell field_cell = 0.3000 float taper_size taper_size = 40.0 float freq freq = 4.12800 obs /vlbi/sb072/temp_maps//J1908+2222_C_uvm.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J1908+2222_C_uvm.fits ! AN table 1: 6 integrations on 28 of 28 possible baselines. ! AN table 2: 6 integrations on 45 of 45 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1908+2222 ! ! 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 4.128e+09 3.2e+07 1 3.2e+07 ! 02 2 4.16e+09 3.2e+07 1 3.2e+07 ! 03 3 4.192e+09 3.2e+07 1 3.2e+07 ! 04 4 4.224e+09 3.2e+07 1 3.2e+07 ! 05 5 4.416e+09 3.2e+07 1 3.2e+07 ! 06 6 4.512e+09 3.2e+07 1 3.2e+07 ! 07 7 4.544e+09 3.2e+07 1 3.2e+07 ! 08 8 4.576e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 85 lines of history. ! ! Reading 3504 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 = 0.3 print "taper_size =", taper_size ! taper_size = 40 ![@/opt64/bin/pima_mupet_01.dfm J1908+2222_C] 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 0.300x0.300 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 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=1.013040Jy sigma=38.751586 ! Fit after self-cal, rms=0.861009Jy sigma=32.867474 ! 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=1.369 mas, bmaj=2.927 mas, bpa=-1.515 degrees ! Estimated noise=0.480581 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 = 0.107127 Jy ! Component: 100 - total flux cleaned = 0.130515 Jy ! Total flux subtracted in 100 components = 0.130515 Jy ! Clean residual min=-0.005350 max=0.007069 Jy/beam ! Clean residual mean=0.000004 rms=0.001140 Jy/beam ! Combined flux in latest and established models = 0.130515 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.130515 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=0.040837Jy sigma=1.229452 ! Fit after self-cal, rms=0.040825Jy sigma=1.229127 ! Inverting map ! Added new window around map position (4.2, 1.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00754487 Jy ! Component: 100 - total flux cleaned = 0.0116881 Jy ! Total flux subtracted in 100 components = 0.0116881 Jy ! Clean residual min=-0.004820 max=0.005420 Jy/beam ! Clean residual mean=0.000002 rms=0.001035 Jy/beam ! Combined flux in latest and established models = 0.142203 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 20 components and 0.142203 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=0.039358Jy sigma=1.143015 ! Fit after self-cal, rms=0.039310Jy sigma=1.141514 ! 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=1.752 mas, bmaj=3.541 mas, bpa=-0.6215 degrees ! Estimated noise=0.341922 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 = 0.00388233 Jy ! Component: 100 - total flux cleaned = 0.005335 Jy ! Component: 150 - total flux cleaned = 0.00621494 Jy ! Component: 200 - total flux cleaned = 0.00685463 Jy ! Total flux subtracted in 200 components = 0.00685463 Jy ! Clean residual min=-0.004708 max=0.004590 Jy/beam ! Clean residual mean=-0.000001 rms=0.001094 Jy/beam ! Combined flux in latest and established models = 0.149058 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 35 components and 0.149058 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=0.038996Jy sigma=1.115502 ! Fit after self-cal, rms=0.038978Jy sigma=1.115130 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.752 x 3.541 at -0.6215 degrees (North through East) ! Clean map min=-0.0045871 max=0.13906 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00* HN 0.61 LA 0.92 MK 1.02 ! NL 0.74 OV 1.20 PT 1.02 SC 1.05 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 0.95 HN 0.92 KP 0.96 ! LA 1.03 MK 1.02 NL 1.01 OV 0.96 ! PT 0.91 SC 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00* HN 0.63 LA 0.84 MK 1.04 ! NL 0.91 OV 1.17 PT 0.98 SC 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 0.94 HN 0.93 KP 0.94 ! LA 1.03 MK 1.01 NL 1.00 OV 0.99 ! PT 0.92 SC 0.98 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 1.41 HN 0.93 LA 1.23 MK 0.88 ! NL 1.05 OV 1.03 PT 0.90 SC 1.07 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.92 HN 0.91 KP 0.93 ! LA 1.06 MK 1.04 NL 1.00 OV 0.99 ! PT 0.93 SC 0.99 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 1.36 HN 0.84 LA 1.22 MK 0.91 ! NL 1.04 OV 1.19 PT 0.96 SC 1.07 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 0.94 HN 0.93 KP 0.93 ! LA 1.02 MK 1.06 NL 0.99 OV 0.97 ! PT 0.79 SC 1.01 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 1.42 HN 1.09 LA 1.14 MK 0.98 ! NL 1.23 OV 1.13 PT 0.99 SC 1.10 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.94 HN 0.90 KP 0.95 ! LA 1.03 MK 1.05 NL 1.01 OV 0.97 ! PT 0.93 SC 1.02 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 1.42 HN 1.10 LA 1.20 MK 1.02 ! NL 1.24 OV 1.13 PT 0.95 SC 1.07 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 0.93 HN 0.91 KP 0.94 ! LA 1.04 MK 1.07 NL 1.01 OV 0.97 ! PT 0.90 SC 1.03 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 1.39 HN 1.11 LA 1.24 MK 1.05 ! NL 1.23 OV 1.14 PT 1.04 SC 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 0.93 HN 0.92 KP 0.95 ! LA 1.04 MK 1.03 NL 1.02 OV 0.95 ! PT 0.92 SC 1.02 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 1.48 HN 1.07 LA 1.18 MK 1.08 ! NL 1.25 OV 1.11 PT 0.97 SC 1.07 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 0.95 HN 0.93 KP 0.94 ! LA 1.02 MK 1.05 NL 1.02 OV 0.97 ! PT 0.91 SC 1.02 ! ! ! Fit before self-cal, rms=0.038978Jy sigma=1.115130 ! Fit after self-cal, rms=0.032700Jy sigma=0.755127 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.76 mas, bmaj=3.552 mas, bpa=-0.5397 degrees ! Estimated noise=0.341767 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 = -0.00163713 Jy ! Component: 100 - total flux cleaned = -0.00160758 Jy ! Component: 150 - total flux cleaned = -0.00154325 Jy ! Component: 200 - total flux cleaned = -0.00148639 Jy ! Total flux subtracted in 200 components = -0.00148639 Jy ! Clean residual min=-0.001366 max=0.001445 Jy/beam ! Clean residual mean=-0.000000 rms=0.000316 Jy/beam ! Combined flux in latest and established models = 0.147572 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 43 components and 0.147572 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=0.032602Jy sigma=0.750167 ! Fit after self-cal, rms=0.032673Jy sigma=0.748915 ! 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=0.032673Jy sigma=0.748915 ! Fit after self-cal, rms=0.032718Jy sigma=0.747334 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.759 mas, bmaj=3.551 mas, bpa=-0.4586 degrees ! Estimated noise=0.341683 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000804567 Jy ! Component: 100 - total flux cleaned = -0.000790031 Jy ! Component: 150 - total flux cleaned = -0.000758754 Jy ! Component: 200 - total flux cleaned = -0.000758798 Jy ! Total flux subtracted in 200 components = -0.000758798 Jy ! Clean residual min=-0.001303 max=0.001294 Jy/beam ! Clean residual mean=-0.000000 rms=0.000295 Jy/beam ! Combined flux in latest and established models = 0.146813 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 46 components and 0.146813 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=0.032685Jy sigma=0.745495 ! Fit after self-cal, rms=0.032686Jy sigma=0.745300 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 (-31.2, 50.7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000924401 Jy ! Component: 100 - total flux cleaned = 0.000981106 Jy ! Component: 150 - total flux cleaned = 0.000896811 Jy ! Component: 200 - total flux cleaned = 0.000859135 Jy ! Total flux subtracted in 200 components = 0.000859135 Jy ! Clean residual min=-0.001250 max=0.001089 Jy/beam ! Clean residual mean=-0.000000 rms=0.000284 Jy/beam ! Combined flux in latest and established models = 0.147672 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 62 components and 0.147672 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=0.032633Jy sigma=0.742569 ! Fit after self-cal, rms=0.032632Jy sigma=0.742442 ! 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=0.032632Jy sigma=0.742442 ! Fit after self-cal, rms=0.033219Jy sigma=0.733868 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.756 mas, bmaj=3.547 mas, bpa=-0.3612 degrees ! Estimated noise=0.342849 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000190583 Jy ! Component: 100 - total flux cleaned = 0.000140487 Jy ! Component: 150 - total flux cleaned = 0.00019975 Jy ! Component: 200 - total flux cleaned = 0.000253393 Jy ! Total flux subtracted in 200 components = 0.000253393 Jy ! Clean residual min=-0.001228 max=0.001107 Jy/beam ! Clean residual mean=-0.000001 rms=0.000296 Jy/beam ! Combined flux in latest and established models = 0.147925 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 70 components and 0.147925 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=0.033172Jy sigma=0.732698 ! Fit after self-cal, rms=0.033176Jy sigma=0.732644 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 = 3.24902e-05 Jy ! Component: 100 - total flux cleaned = 6.46138e-05 Jy ! Component: 150 - total flux cleaned = 0.000109127 Jy ! Component: 200 - total flux cleaned = 0.000108989 Jy ! Total flux subtracted in 200 components = 0.000108989 Jy ! Clean residual min=-0.001213 max=0.001098 Jy/beam ! Clean residual mean=-0.000001 rms=0.000294 Jy/beam ! Combined flux in latest and established models = 0.148034 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 78 components and 0.148034 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=0.033154Jy sigma=0.732179 ! Fit after self-cal, rms=0.033156Jy sigma=0.732166 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 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=0.033156Jy sigma=0.732166 ! Fit after self-cal, rms=0.032406Jy sigma=0.720108 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.575 mas, bmaj=5.358 mas, bpa=-5.083 degrees ! Estimated noise=0.420977 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000178061 Jy ! Component: 100 - total flux cleaned = 8.44746e-05 Jy ! Component: 150 - total flux cleaned = -1.11711e-07 Jy ! Component: 200 - total flux cleaned = -3.06026e-05 Jy ! Total flux subtracted in 200 components = -3.06026e-05 Jy ! Clean residual min=-0.001239 max=0.001342 Jy/beam ! Clean residual mean=-0.000001 rms=0.000328 Jy/beam ! Combined flux in latest and established models = 0.148004 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 91 components and 0.148004 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=0.032391Jy sigma=0.720005 ! Fit after self-cal, rms=0.032387Jy sigma=0.719830 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 = 1.9929e-05 Jy ! Component: 100 - total flux cleaned = 9.81723e-06 Jy ! Component: 150 - total flux cleaned = 1.75813e-06 Jy ! Component: 200 - total flux cleaned = -5.88937e-06 Jy ! Total flux subtracted in 200 components = -5.88937e-06 Jy ! Clean residual min=-0.001217 max=0.001341 Jy/beam ! Clean residual mean=-0.000001 rms=0.000327 Jy/beam ! Combined flux in latest and established models = 0.147998 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 97 components and 0.147998 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=0.032383Jy sigma=0.719925 ! Fit after self-cal, rms=0.032381Jy sigma=0.719884 ! 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=1.755 mas, bmaj=3.546 mas, bpa=-0.3123 degrees ! Estimated noise=0.343559 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.755 x 3.546 at -0.3123 degrees (North through East) ! Clean map min=-0.0011194 max=0.14044 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=1.373 mas, bmaj=2.927 mas, bpa=-1.206 degrees ! Estimated noise=0.485512 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.108222 Jy ! Component: 100 - total flux cleaned = 0.131833 Jy ! Component: 150 - total flux cleaned = 0.137915 Jy ! Component: 200 - total flux cleaned = 0.140678 Jy ! Total flux subtracted in 200 components = 0.140678 Jy ! Clean residual min=-0.001617 max=0.001677 Jy/beam ! Clean residual mean=0.000001 rms=0.000395 Jy/beam ! Combined flux in latest and established models = 0.140678 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 12 model components to the UV plane model. ! The established model now contains 12 components and 0.140678 Jy ! Inverting map and beam ! Estimated beam: bmin=1.755 mas, bmaj=3.546 mas, bpa=-0.3123 degrees ! Estimated noise=0.343559 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 = 0.00285027 Jy ! Component: 100 - total flux cleaned = 0.00442072 Jy ! Component: 150 - total flux cleaned = 0.00533731 Jy ! Component: 200 - total flux cleaned = 0.00593012 Jy ! Total flux subtracted in 200 components = 0.00593012 Jy ! Clean residual min=-0.001183 max=0.001231 Jy/beam ! Clean residual mean=-0.000000 rms=0.000283 Jy/beam ! Combined flux in latest and established models = 0.146608 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 43 components and 0.146608 Jy ! Inverting map ! Added new window around map position (-1.5, -5.1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000904533 Jy ! Component: 100 - total flux cleaned = 0.00109005 Jy ! Component: 150 - total flux cleaned = 0.00122702 Jy ! Component: 200 - total flux cleaned = 0.00132883 Jy ! Total flux subtracted in 200 components = 0.00132883 Jy ! Clean residual min=-0.001203 max=0.001133 Jy/beam ! Clean residual mean=-0.000000 rms=0.000270 Jy/beam ! Combined flux in latest and established models = 0.147937 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 63 components and 0.147937 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.575 mas, bmaj=5.358 mas, bpa=-5.083 degrees ! Estimated noise=0.420977 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000131453 Jy ! Component: 100 - total flux cleaned = 0.000293558 Jy ! Component: 150 - total flux cleaned = 0.000390898 Jy ! Component: 200 - total flux cleaned = 0.000460864 Jy ! Total flux subtracted in 200 components = 0.000460864 Jy ! Clean residual min=-0.001255 max=0.001323 Jy/beam ! Clean residual mean=0.000000 rms=0.000317 Jy/beam ! Combined flux in latest and established models = 0.148398 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 = 4.92357e-05 Jy ! Component: 100 - total flux cleaned = 8.22098e-05 Jy ! Component: 150 - total flux cleaned = 0.000112436 Jy ! Component: 200 - total flux cleaned = 0.000140264 Jy ! Total flux subtracted in 200 components = 0.000140264 Jy ! Clean residual min=-0.001242 max=0.001317 Jy/beam ! Clean residual mean=0.000000 rms=0.000316 Jy/beam ! Combined flux in latest and established models = 0.148538 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 84 components and 0.148538 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.755 mas, bmaj=3.546 mas, bpa=-0.3123 degrees ! Estimated noise=0.343559 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.85384e-05 Jy ! Component: 100 - total flux cleaned = -1.95147e-05 Jy ! Component: 150 - total flux cleaned = -5.58878e-06 Jy ! Component: 200 - total flux cleaned = -5.41615e-06 Jy ! Total flux subtracted in 200 components = -5.41615e-06 Jy ! Clean residual min=-0.001203 max=0.001092 Jy/beam ! Clean residual mean=-0.000000 rms=0.000266 Jy/beam ! Combined flux in latest and established models = 0.148532 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 96 components and 0.148532 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=0.032328Jy sigma=0.719488 ! Fit after self-cal, rms=0.032324Jy sigma=0.718953 wmodel J1908+2222_C_map.mod ! Writing 96 model components to file: J1908+2222_C_map.mod wobs J1908+2222_C_uvs.fits ! Writing UV FITS file: J1908+2222_C_uvs.fits wwins J1908+2222_C_map.win ! wwins: Wrote 4 windows to J1908+2222_C_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 = -0.000116725 Jy ! Component: 100 - total flux cleaned = -6.16462e-05 Jy ! Component: 150 - total flux cleaned = -4.42769e-05 Jy ! Component: 200 - total flux cleaned = -2.68905e-05 Jy ! Component: 250 - total flux cleaned = 6.38183e-06 Jy ! Component: 300 - total flux cleaned = -4.25387e-05 Jy ! Component: 350 - total flux cleaned = -2.66441e-05 Jy ! Component: 400 - total flux cleaned = -4.25539e-05 Jy ! Component: 450 - total flux cleaned = -2.70626e-05 Jy ! Component: 500 - total flux cleaned = 1.86851e-05 Jy ! Component: 550 - total flux cleaned = 3.36423e-05 Jy ! Component: 600 - total flux cleaned = 6.33884e-05 Jy ! Component: 650 - total flux cleaned = 6.3069e-05 Jy ! Component: 700 - total flux cleaned = 1.96856e-05 Jy ! Component: 750 - total flux cleaned = 4.84725e-05 Jy ! Component: 800 - total flux cleaned = 2.00453e-05 Jy ! Component: 850 - total flux cleaned = 6.20371e-06 Jy ! Component: 900 - total flux cleaned = 2.01293e-05 Jy ! Component: 950 - total flux cleaned = 2.01444e-05 Jy ! Component: 1000 - total flux cleaned = 3.38537e-05 Jy ! Component: 1050 - total flux cleaned = -2.03393e-05 Jy ! Component: 1100 - total flux cleaned = -6.86735e-06 Jy ! Component: 1150 - total flux cleaned = -4.66744e-05 Jy ! Component: 1200 - total flux cleaned = -4.6597e-05 Jy ! Component: 1250 - total flux cleaned = -5.94663e-05 Jy ! Component: 1300 - total flux cleaned = -4.64615e-05 Jy ! Component: 1350 - total flux cleaned = -7.23238e-05 Jy ! Component: 1400 - total flux cleaned = -0.000136159 Jy ! Component: 1450 - total flux cleaned = -8.52318e-05 Jy ! Component: 1500 - total flux cleaned = -0.000148017 Jy ! Component: 1550 - total flux cleaned = -0.000147955 Jy ! Component: 1600 - total flux cleaned = -0.000172978 Jy ! Component: 1650 - total flux cleaned = -0.000222146 Jy ! Component: 1700 - total flux cleaned = -0.000271072 Jy ! Component: 1750 - total flux cleaned = -0.00025911 Jy ! Component: 1800 - total flux cleaned = -0.00031938 Jy ! Component: 1850 - total flux cleaned = -0.000355404 Jy ! Component: 1900 - total flux cleaned = -0.000379078 Jy ! Component: 1950 - total flux cleaned = -0.000414484 Jy ! Component: 2000 - total flux cleaned = -0.000414589 Jy ! Component: 2050 - total flux cleaned = -0.000449489 Jy ! Component: 2100 - total flux cleaned = -0.000437827 Jy ! Component: 2150 - total flux cleaned = -0.000460871 Jy ! Component: 2200 - total flux cleaned = -0.000460866 Jy ! Component: 2250 - total flux cleaned = -0.000494992 Jy ! Component: 2300 - total flux cleaned = -0.000461126 Jy ! Component: 2350 - total flux cleaned = -0.000483585 Jy ! Component: 2400 - total flux cleaned = -0.000517106 Jy ! Component: 2450 - total flux cleaned = -0.000528163 Jy ! Component: 2500 - total flux cleaned = -0.000506133 Jy ! Component: 2550 - total flux cleaned = -0.000528063 Jy ! Component: 2600 - total flux cleaned = -0.000517115 Jy ! Component: 2650 - total flux cleaned = -0.0005498 Jy ! Component: 2700 - total flux cleaned = -0.000528137 Jy ! Component: 2750 - total flux cleaned = -0.000517398 Jy ! Component: 2800 - total flux cleaned = -0.00049601 Jy ! Component: 2850 - total flux cleaned = -0.000506736 Jy ! Component: 2900 - total flux cleaned = -0.000527941 Jy ! Component: 2950 - total flux cleaned = -0.000475329 Jy ! Component: 3000 - total flux cleaned = -0.000527831 Jy ! Component: 3050 - total flux cleaned = -0.000527861 Jy ! Component: 3100 - total flux cleaned = -0.000507044 Jy ! Component: 3150 - total flux cleaned = -0.000507012 Jy ! Component: 3200 - total flux cleaned = -0.000465806 Jy ! Component: 3250 - total flux cleaned = -0.000486301 Jy ! Component: 3300 - total flux cleaned = -0.000486267 Jy ! Component: 3350 - total flux cleaned = -0.000455788 Jy ! Component: 3400 - total flux cleaned = -0.000506274 Jy ! Component: 3450 - total flux cleaned = -0.000455949 Jy ! Component: 3500 - total flux cleaned = -0.000415932 Jy ! Component: 3550 - total flux cleaned = -0.000435825 Jy ! Component: 3600 - total flux cleaned = -0.000425971 Jy ! Component: 3650 - total flux cleaned = -0.000396302 Jy ! Component: 3700 - total flux cleaned = -0.000415991 Jy ! Component: 3750 - total flux cleaned = -0.000396445 Jy ! Component: 3800 - total flux cleaned = -0.00039647 Jy ! Component: 3850 - total flux cleaned = -0.00037701 Jy ! Component: 3900 - total flux cleaned = -0.000396372 Jy ! Component: 3950 - total flux cleaned = -0.000425292 Jy ! Component: 4000 - total flux cleaned = -0.000406073 Jy ! Component: 4050 - total flux cleaned = -0.000358321 Jy ! Total flux subtracted in 4096 components = -0.000377375 Jy ! Clean residual min=-0.000635 max=0.000553 Jy/beam ! Clean residual mean=-0.000000 rms=0.000177 Jy/beam ! Combined flux in latest and established models = 0.148155 Jy keep ! Adding 305 model components to the UV plane model. ! The established model now contains 401 components and 0.148155 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J1908+2222_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.755 x 3.546 at -0.3123 degrees (North through East) ! Clean map min=-0.00099481 max=0.14096 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J1908+2222_C_map.fits wmodel /vlbi/sb072/temp_maps//J1908+2222_C_map.mod ! Writing 401 model components to file: /vlbi/sb072/temp_maps//J1908+2222_C_map.mod wobs /vlbi/sb072/temp_maps//J1908+2222_C_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J1908+2222_C_uvs.fits wwins /vlbi/sb072/temp_maps//J1908+2222_C_map.win ! wwins: Wrote 5 windows to /vlbi/sb072/temp_maps//J1908+2222_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.140959 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000177098 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.376915 0.376915 0.753829 1.50766 3.01532 6.03064 12.0613 24.1225 48.2451 96.4902 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.14 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 795.936 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J1908+2222_C_dfm.log closed on Tue Mar 5 23:30:19 2019