! Started logfile: /vlbi/bp222/maps//J0937+5008_X_dfm.log on Thu Sep 27 11:00:21 2018 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 8.42800 obs /vlbi/bp222/maps//J0937+5008_X_uvm.fits ! Reading UV FITS file: /vlbi/bp222/maps//J0937+5008_X_uvm.fits ! AN table 1: 46 integrations on 36 of 36 possible baselines. ! AN table 2: 69 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.979376 visibilities/baseline/integration-bin. ! Found source: J0937+5008 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 134 lines of history. ! ! Reading 42168 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 12 channels. ! Selecting polarization: RR, channels: 1..12 ! 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 ! Reading IF 9 channels: 9..9 ! Reading IF 10 channels: 10..10 ! Reading IF 11 channels: 11..11 ! Reading IF 12 channels: 12..12 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 J0937+5008_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. ! A total of 4 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 4 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 4 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 4 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 5. ! A total of 4 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 6. ! A total of 4 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 7. ! A total of 4 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 8. ! A total of 4 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 9. ! A total of 4 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 10. ! A total of 4 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 11. ! A total of 4 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 12. ! A total of 4 telescope corrections were flagged in sub-array 1. ! A total of 6 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.086572Jy sigma=18.137646 ! Fit after self-cal, rms=0.593030Jy sigma=9.852940 ! 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=0.6489 mas, bmaj=1.835 mas, bpa=-4.616 degrees ! Estimated noise=0.451807 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 = 0.313116 Jy ! Component: 100 - total flux cleaned = 0.382481 Jy ! Total flux subtracted in 100 components = 0.382481 Jy ! Clean residual min=-0.005686 max=0.022912 Jy/beam ! Clean residual mean=0.000010 rms=0.001359 Jy/beam ! Combined flux in latest and established models = 0.382481 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.382481 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.066151Jy sigma=1.040578 ! Fit after self-cal, rms=0.066151Jy sigma=1.039844 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0240765 Jy ! Component: 100 - total flux cleaned = 0.0349094 Jy ! Total flux subtracted in 100 components = 0.0349094 Jy ! Clean residual min=-0.002881 max=0.004760 Jy/beam ! Clean residual mean=0.000002 rms=0.000629 Jy/beam ! Combined flux in latest and established models = 0.41739 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 7 components and 0.41739 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.056381Jy sigma=0.861135 ! Fit after self-cal, rms=0.056341Jy sigma=0.860333 ! Inverting map ! Added new window around map position (0.6, 0.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00559772 Jy ! Component: 100 - total flux cleaned = 0.00786304 Jy ! Total flux subtracted in 100 components = 0.00786304 Jy ! Clean residual min=-0.002766 max=0.002860 Jy/beam ! Clean residual mean=0.000000 rms=0.000558 Jy/beam ! Combined flux in latest and established models = 0.425253 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 11 components and 0.425253 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.055784Jy sigma=0.851498 ! Fit after self-cal, rms=0.055780Jy sigma=0.851385 ! 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=0.864 mas, bmaj=2.017 mas, bpa=-2.518 degrees ! Estimated noise=0.214635 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 = 0.000904138 Jy ! Component: 100 - total flux cleaned = 0.000859793 Jy ! Component: 150 - total flux cleaned = 0.00079348 Jy ! Component: 200 - total flux cleaned = 0.000768639 Jy ! Total flux subtracted in 200 components = 0.000768639 Jy ! Clean residual min=-0.002294 max=0.001946 Jy/beam ! Clean residual mean=-0.000000 rms=0.000458 Jy/beam ! Combined flux in latest and established models = 0.426022 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 20 components and 0.426022 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.055705Jy sigma=0.850352 ! Fit after self-cal, rms=0.055697Jy sigma=0.850253 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.864 x 2.017 at -2.518 degrees (North through East) ! Clean map min=-0.0020645 max=0.40888 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.01 HN 1.01 KP 1.01 ! LA 1.00 MK 1.01 NL 1.00 OV 0.98 ! PT 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 0.99 HN 1.02 KP 1.02 ! MK 1.00 NL 1.01 OV 1.02 SC 0.97 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.01 HN 1.01 KP 0.99 ! LA 1.00 MK 1.00 NL 1.00 OV 0.99 ! PT 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 0.99 HN 1.02 KP 1.01 ! MK 1.00 NL 1.02 OV 1.02 SC 0.97 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.00 HN 1.00 KP 1.00 ! LA 1.00 MK 0.99 NL 1.01 OV 0.99 ! PT 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 0.99 HN 1.00 KP 1.02 ! MK 1.02 NL 1.02 OV 1.01 SC 0.97 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.02 HN 1.02 KP 1.01 ! LA 1.00 MK 1.01 NL 1.00 OV 0.98 ! PT 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 1.00 HN 1.01 KP 1.01 ! MK 1.00 NL 1.01 OV 1.01 SC 0.98 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.00 HN 1.01 KP 1.01 ! LA 1.01 MK 0.99 NL 0.99 OV 0.99 ! PT 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 0.99 HN 1.01 KP 1.01 ! MK 0.99 NL 1.01 OV 1.02 SC 0.98 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.01 HN 1.00 KP 1.00 ! LA 1.00 MK 1.00 NL 0.99 OV 0.98 ! PT 0.98 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 0.99 HN 1.00 KP 1.02 ! MK 0.99 NL 1.01 OV 1.01 SC 0.96 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.00 HN 1.01 KP 1.00 ! LA 1.00 MK 1.01 NL 0.99 OV 0.98 ! PT 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.99 HN 1.00 KP 1.01 ! MK 0.99 NL 1.01 OV 1.02 SC 0.95 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.00 HN 1.01 KP 1.02 ! LA 1.01 MK 1.00 NL 1.00 OV 0.98 ! PT 0.98 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 0.99 HN 1.00 KP 1.01 ! MK 0.99 NL 1.01 OV 1.01 SC 0.96 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.01 HN 1.02 KP 1.00 ! LA 0.99 MK 1.00 NL 0.99 OV 0.98 ! PT 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 1.00 HN 1.00 KP 1.00 ! MK 0.99 NL 1.01 OV 1.01 SC 0.97 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.00 HN 0.98 KP 0.99 ! LA 1.00 MK 1.00 NL 0.98 OV 0.98 ! PT 0.98 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 0.98 HN 0.99 KP 1.00 ! MK 0.99 NL 1.00 OV 1.00 SC 0.96 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.00 HN 1.02 KP 0.99 ! LA 0.99 MK 0.99 NL 1.00 OV 0.99 ! PT 0.98 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 0.98 HN 1.00 KP 1.00 ! MK 0.98 NL 1.00 OV 1.01 SC 0.97 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.98 HN 1.00 KP 1.00 ! LA 0.98 MK 1.01 NL 1.00 OV 0.98 ! PT 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.98 HN 1.00 KP 1.00 ! MK 1.00 NL 1.00 OV 1.00 SC 0.97 ! ! ! Fit before self-cal, rms=0.055697Jy sigma=0.850253 ! Fit after self-cal, rms=0.054785Jy sigma=0.836363 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8614 mas, bmaj=2.018 mas, bpa=-2.423 degrees ! Estimated noise=0.214632 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 = 0.000700145 Jy ! Component: 100 - total flux cleaned = 0.000644243 Jy ! Component: 150 - total flux cleaned = 0.000571423 Jy ! Component: 200 - total flux cleaned = 0.000528634 Jy ! Total flux subtracted in 200 components = 0.000528634 Jy ! Clean residual min=-0.001589 max=0.001269 Jy/beam ! Clean residual mean=-0.000001 rms=0.000277 Jy/beam ! Combined flux in latest and established models = 0.42655 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 33 components and 0.42655 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.054744Jy sigma=0.835917 ! Fit after self-cal, rms=0.054738Jy sigma=0.835855 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.054738Jy sigma=0.835855 ! Fit after self-cal, rms=0.054649Jy sigma=0.833928 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8606 mas, bmaj=2.018 mas, bpa=-2.421 degrees ! Estimated noise=0.214784 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000728561 Jy ! Component: 100 - total flux cleaned = 0.000727473 Jy ! Component: 150 - total flux cleaned = 0.000707105 Jy ! Component: 200 - total flux cleaned = 0.000707691 Jy ! Total flux subtracted in 200 components = 0.000707691 Jy ! Clean residual min=-0.001321 max=0.001078 Jy/beam ! Clean residual mean=-0.000001 rms=0.000247 Jy/beam ! Combined flux in latest and established models = 0.427258 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 36 components and 0.427258 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.054623Jy sigma=0.833641 ! Fit after self-cal, rms=0.054619Jy sigma=0.833603 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 = 0.000182528 Jy ! Component: 100 - total flux cleaned = 8.86877e-05 Jy ! Component: 150 - total flux cleaned = 3.7669e-05 Jy ! Component: 200 - total flux cleaned = 7.23484e-06 Jy ! Total flux subtracted in 200 components = 7.23484e-06 Jy ! Clean residual min=-0.001368 max=0.001070 Jy/beam ! Clean residual mean=-0.000001 rms=0.000247 Jy/beam ! Combined flux in latest and established models = 0.427265 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 39 components and 0.427265 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.054606Jy sigma=0.833447 ! Fit after self-cal, rms=0.054604Jy sigma=0.833420 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.054604Jy sigma=0.833420 ! Fit after self-cal, rms=0.054443Jy sigma=0.830617 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8596 mas, bmaj=2.017 mas, bpa=-2.445 degrees ! Estimated noise=0.214807 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000428972 Jy ! Component: 100 - total flux cleaned = 0.000446989 Jy ! Component: 150 - total flux cleaned = 0.00046248 Jy ! Component: 200 - total flux cleaned = 0.000477947 Jy ! Total flux subtracted in 200 components = 0.000477947 Jy ! Clean residual min=-0.001162 max=0.000919 Jy/beam ! Clean residual mean=-0.000000 rms=0.000210 Jy/beam ! Combined flux in latest and established models = 0.427743 Jy selfcal ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 41 components and 0.427743 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.054427Jy sigma=0.830434 ! Fit after self-cal, rms=0.054424Jy sigma=0.830403 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 = 0.000157392 Jy ! Component: 100 - total flux cleaned = 0.000126114 Jy ! Component: 150 - total flux cleaned = 0.000125232 Jy ! Component: 200 - total flux cleaned = 0.000124433 Jy ! Total flux subtracted in 200 components = 0.000124433 Jy ! Clean residual min=-0.001254 max=0.000893 Jy/beam ! Clean residual mean=-0.000000 rms=0.000209 Jy/beam ! Combined flux in latest and established models = 0.427868 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 42 components and 0.427868 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.054414Jy sigma=0.830293 ! Fit after self-cal, rms=0.054413Jy sigma=0.830275 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.054413Jy sigma=0.830275 ! Fit after self-cal, rms=0.054394Jy sigma=0.830214 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.94 mas, bmaj=2.526 mas, bpa=4.748 degrees ! Estimated noise=0.269753 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000397885 Jy ! Component: 100 - total flux cleaned = 0.000471191 Jy ! Component: 150 - total flux cleaned = 0.000545083 Jy ! Component: 200 - total flux cleaned = 0.000600964 Jy ! Total flux subtracted in 200 components = 0.000600964 Jy ! Clean residual min=-0.001004 max=0.000923 Jy/beam ! Clean residual mean=-0.000001 rms=0.000242 Jy/beam ! Combined flux in latest and established models = 0.428469 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 51 components and 0.428469 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.054398Jy sigma=0.830235 ! Fit after self-cal, rms=0.054395Jy sigma=0.830192 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 = 5.63609e-05 Jy ! Component: 100 - total flux cleaned = 5.58754e-05 Jy ! Component: 150 - total flux cleaned = 7.72181e-05 Jy ! Component: 200 - total flux cleaned = 0.000101283 Jy ! Total flux subtracted in 200 components = 0.000101283 Jy ! Clean residual min=-0.000980 max=0.000928 Jy/beam ! Clean residual mean=-0.000001 rms=0.000242 Jy/beam ! Combined flux in latest and established models = 0.42857 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 53 components and 0.42857 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.054398Jy sigma=0.830237 ! Fit after self-cal, rms=0.054396Jy sigma=0.830202 ! 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=0.8587 mas, bmaj=2.017 mas, bpa=-2.449 degrees ! Estimated noise=0.214821 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8587 x 2.017 at -2.449 degrees (North through East) ! Clean map min=-0.00088523 max=0.40883 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=0.6445 mas, bmaj=1.835 mas, bpa=-4.57 degrees ! Estimated noise=0.450638 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.312263 Jy ! Component: 100 - total flux cleaned = 0.382253 Jy ! Component: 150 - total flux cleaned = 0.408019 Jy ! Component: 200 - total flux cleaned = 0.419697 Jy ! Total flux subtracted in 200 components = 0.419697 Jy ! Clean residual min=-0.002632 max=0.005082 Jy/beam ! Clean residual mean=0.000002 rms=0.000490 Jy/beam ! Combined flux in latest and established models = 0.419697 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 7 model components to the UV plane model. ! The established model now contains 7 components and 0.419697 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8587 mas, bmaj=2.017 mas, bpa=-2.449 degrees ! Estimated noise=0.214821 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 = 0.00603635 Jy ! Component: 100 - total flux cleaned = 0.00830438 Jy ! Component: 150 - total flux cleaned = 0.00917425 Jy ! Component: 200 - total flux cleaned = 0.00931332 Jy ! Total flux subtracted in 200 components = 0.00931332 Jy ! Clean residual min=-0.001018 max=0.000924 Jy/beam ! Clean residual mean=-0.000001 rms=0.000204 Jy/beam ! Combined flux in latest and established models = 0.42901 Jy ! Adding 11 model components to the UV plane model. ! The established model now contains 14 components and 0.42901 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=1.94 mas, bmaj=2.526 mas, bpa=4.748 degrees ! Estimated noise=0.269753 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000104959 Jy ! Component: 100 - total flux cleaned = -0.000125472 Jy ! Component: 150 - total flux cleaned = -0.000177647 Jy ! Component: 200 - total flux cleaned = -0.000203924 Jy ! Total flux subtracted in 200 components = -0.000203924 Jy ! Clean residual min=-0.000969 max=0.000925 Jy/beam ! Clean residual mean=-0.000001 rms=0.000243 Jy/beam ! Combined flux in latest and established models = 0.428806 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 = -4.88581e-09 Jy ! Component: 100 - total flux cleaned = -9.25815e-06 Jy ! Component: 150 - total flux cleaned = -1.35821e-05 Jy ! Component: 200 - total flux cleaned = -1.75497e-05 Jy ! Total flux subtracted in 200 components = -1.75497e-05 Jy ! Clean residual min=-0.000966 max=0.000921 Jy/beam ! Clean residual mean=-0.000001 rms=0.000242 Jy/beam ! Combined flux in latest and established models = 0.428789 Jy ! Adding 16 model components to the UV plane model. ! The established model now contains 26 components and 0.428789 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8587 mas, bmaj=2.017 mas, bpa=-2.449 degrees ! Estimated noise=0.214821 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000301974 Jy ! Component: 100 - total flux cleaned = 0.000224177 Jy ! Component: 150 - total flux cleaned = 0.000211682 Jy ! Component: 200 - total flux cleaned = 0.000188003 Jy ! Total flux subtracted in 200 components = 0.000188003 Jy ! Clean residual min=-0.001060 max=0.000882 Jy/beam ! Clean residual mean=-0.000001 rms=0.000202 Jy/beam ! Combined flux in latest and established models = 0.428977 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 36 components and 0.428977 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.054363Jy sigma=0.829807 ! Fit after self-cal, rms=0.054360Jy sigma=0.829761 wmodel J0937+5008_X_map.mod ! Writing 36 model components to file: J0937+5008_X_map.mod wobs J0937+5008_X_uvs.fits ! Writing UV FITS file: J0937+5008_X_uvs.fits wwins J0937+5008_X_map.win ! wwins: Wrote 2 windows to J0937+5008_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 = -0.000444218 Jy ! Component: 100 - total flux cleaned = -0.000590519 Jy ! Component: 150 - total flux cleaned = -0.000605656 Jy ! Component: 200 - total flux cleaned = -0.000591555 Jy ! Component: 250 - total flux cleaned = -0.000633003 Jy ! Component: 300 - total flux cleaned = -0.000606494 Jy ! Component: 350 - total flux cleaned = -0.000633052 Jy ! Component: 400 - total flux cleaned = -0.000620025 Jy ! Component: 450 - total flux cleaned = -0.00056951 Jy ! Component: 500 - total flux cleaned = -0.000569597 Jy ! Component: 550 - total flux cleaned = -0.000581727 Jy ! Component: 600 - total flux cleaned = -0.000569695 Jy ! Component: 650 - total flux cleaned = -0.000557776 Jy ! Component: 700 - total flux cleaned = -0.00052267 Jy ! Component: 750 - total flux cleaned = -0.000511263 Jy ! Component: 800 - total flux cleaned = -0.000511222 Jy ! Component: 850 - total flux cleaned = -0.000488835 Jy ! Component: 900 - total flux cleaned = -0.000522282 Jy ! Component: 950 - total flux cleaned = -0.000544317 Jy ! Component: 1000 - total flux cleaned = -0.000533326 Jy ! Component: 1050 - total flux cleaned = -0.000576439 Jy ! Component: 1100 - total flux cleaned = -0.000554868 Jy ! Component: 1150 - total flux cleaned = -0.000565352 Jy ! Component: 1200 - total flux cleaned = -0.000533805 Jy ! Component: 1250 - total flux cleaned = -0.000565124 Jy ! Component: 1300 - total flux cleaned = -0.000513559 Jy ! Component: 1350 - total flux cleaned = -0.000544256 Jy ! Component: 1400 - total flux cleaned = -0.000534025 Jy ! Component: 1450 - total flux cleaned = -0.000544078 Jy ! Component: 1500 - total flux cleaned = -0.000554093 Jy ! Component: 1550 - total flux cleaned = -0.00055403 Jy ! Component: 1600 - total flux cleaned = -0.000593258 Jy ! Component: 1650 - total flux cleaned = -0.000612722 Jy ! Component: 1700 - total flux cleaned = -0.000593449 Jy ! Component: 1750 - total flux cleaned = -0.000651196 Jy ! Component: 1800 - total flux cleaned = -0.000651219 Jy ! Component: 1850 - total flux cleaned = -0.000707967 Jy ! Component: 1900 - total flux cleaned = -0.000717399 Jy ! Component: 1950 - total flux cleaned = -0.000736128 Jy ! Component: 2000 - total flux cleaned = -0.000763964 Jy ! Component: 2050 - total flux cleaned = -0.000763962 Jy ! Component: 2100 - total flux cleaned = -0.000818784 Jy ! Component: 2150 - total flux cleaned = -0.000836973 Jy ! Component: 2200 - total flux cleaned = -0.000855006 Jy ! Component: 2250 - total flux cleaned = -0.000881872 Jy ! Component: 2300 - total flux cleaned = -0.000890812 Jy ! Component: 2350 - total flux cleaned = -0.000917271 Jy ! Component: 2400 - total flux cleaned = -0.000917274 Jy ! Component: 2450 - total flux cleaned = -0.00089107 Jy ! Component: 2500 - total flux cleaned = -0.000891092 Jy ! Component: 2550 - total flux cleaned = -0.000916931 Jy ! Component: 2600 - total flux cleaned = -0.000856983 Jy ! Component: 2650 - total flux cleaned = -0.000882542 Jy ! Component: 2700 - total flux cleaned = -0.000899561 Jy ! Component: 2750 - total flux cleaned = -0.000857458 Jy ! Component: 2800 - total flux cleaned = -0.000849123 Jy ! Component: 2850 - total flux cleaned = -0.000882411 Jy ! Component: 2900 - total flux cleaned = -0.000882342 Jy ! Component: 2950 - total flux cleaned = -0.000865875 Jy ! Component: 3000 - total flux cleaned = -0.000857794 Jy ! Component: 3050 - total flux cleaned = -0.00084966 Jy ! Component: 3100 - total flux cleaned = -0.000857742 Jy ! Component: 3150 - total flux cleaned = -0.000841591 Jy ! Component: 3200 - total flux cleaned = -0.000817573 Jy ! Component: 3250 - total flux cleaned = -0.00083355 Jy ! Component: 3300 - total flux cleaned = -0.000825647 Jy ! Component: 3350 - total flux cleaned = -0.000833626 Jy ! Component: 3400 - total flux cleaned = -0.000817943 Jy ! Component: 3450 - total flux cleaned = -0.000786708 Jy ! Component: 3500 - total flux cleaned = -0.000794496 Jy ! Component: 3550 - total flux cleaned = -0.000763541 Jy ! Component: 3600 - total flux cleaned = -0.000778935 Jy ! Component: 3650 - total flux cleaned = -0.000778945 Jy ! Component: 3700 - total flux cleaned = -0.000778979 Jy ! Component: 3750 - total flux cleaned = -0.000778964 Jy ! Component: 3800 - total flux cleaned = -0.000778935 Jy ! Component: 3850 - total flux cleaned = -0.000786443 Jy ! Component: 3900 - total flux cleaned = -0.000749019 Jy ! Component: 3950 - total flux cleaned = -0.000749009 Jy ! Component: 4000 - total flux cleaned = -0.00074155 Jy ! Component: 4050 - total flux cleaned = -0.000734179 Jy ! Total flux subtracted in 4096 components = -0.00072675 Jy ! Clean residual min=-0.000399 max=0.000438 Jy/beam ! Clean residual mean=-0.000000 rms=0.000129 Jy/beam ! Combined flux in latest and established models = 0.42825 Jy keep ! Adding 333 model components to the UV plane model. ! The established model now contains 369 components and 0.42825 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J0937+5008_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8587 x 2.017 at -2.449 degrees (North through East) ! Clean map min=-0.00060015 max=0.40893 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J0937+5008_X_map.fits wmodel /vlbi/bp222/maps//J0937+5008_X_map.mod ! Writing 369 model components to file: /vlbi/bp222/maps//J0937+5008_X_map.mod wobs /vlbi/bp222/maps//J0937+5008_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J0937+5008_X_uvs.fits wwins /vlbi/bp222/maps//J0937+5008_X_map.win ! wwins: Wrote 3 windows to /vlbi/bp222/maps//J0937+5008_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.408929 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000128821 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0945059 0.0945059 0.189012 0.378024 0.756047 1.51209 3.02419 6.04838 12.0968 24.1935 48.387 96.774 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.408 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 3174.41 quit ! Quitting program ! Log file /vlbi/bp222/maps//J0937+5008_X_dfm.log closed on Thu Sep 27 11:00:26 2018