! Started logfile: /vlbi/bp222/maps//J1751+0939_X_dfm.log on Thu Sep 27 11:28:13 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//J1751+0939_X_uva.fits ! Reading UV FITS file: /vlbi/bp222/maps//J1751+0939_X_uva.fits ! AN table 1: 15 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.961111 visibilities/baseline/integration-bin. ! Found source: J1751+0939 ! ! 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 6228 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 J1751+0939_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 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=2.440566Jy sigma=26.831776 ! Fit after self-cal, rms=1.243640Jy sigma=13.856900 ! 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=0.6239 mas, bmaj=1.718 mas, bpa=-7.732 degrees ! Estimated noise=1.34502 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 = 1.75015 Jy ! Component: 100 - total flux cleaned = 2.13179 Jy ! Total flux subtracted in 100 components = 2.13179 Jy ! Clean residual min=-0.047207 max=0.145142 Jy/beam ! Clean residual mean=0.000012 rms=0.014247 Jy/beam ! Combined flux in latest and established models = 2.13179 Jy ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 2.13179 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=0.192227Jy sigma=2.095308 ! Fit after self-cal, rms=0.192225Jy sigma=2.095277 ! Inverting map ! Added new window around map position (5.4, -7). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.117504 Jy ! Component: 100 - total flux cleaned = 0.1601 Jy ! Total flux subtracted in 100 components = 0.1601 Jy ! Clean residual min=-0.032264 max=0.054143 Jy/beam ! Clean residual mean=0.000006 rms=0.006752 Jy/beam ! Combined flux in latest and established models = 2.29189 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 2.29189 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=0.119005Jy sigma=1.184111 ! Fit after self-cal, rms=0.113608Jy sigma=1.099155 ! Inverting map ! Added new window around map position (-5.4, 7.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0354433 Jy ! Component: 100 - total flux cleaned = 0.0538159 Jy ! Total flux subtracted in 100 components = 0.0538159 Jy ! Clean residual min=-0.027462 max=0.031284 Jy/beam ! Clean residual mean=0.000004 rms=0.005046 Jy/beam ! Combined flux in latest and established models = 2.34571 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 23 components and 2.34571 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=0.103418Jy sigma=0.982124 ! Fit after self-cal, rms=0.102296Jy sigma=0.975053 ! 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=0.7875 mas, bmaj=1.965 mas, bpa=-6.202 degrees ! Estimated noise=0.871887 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 = -0.000502445 Jy ! Component: 100 - total flux cleaned = 0.00020597 Jy ! Component: 150 - total flux cleaned = -0.00012944 Jy ! Component: 200 - total flux cleaned = -0.000421114 Jy ! Total flux subtracted in 200 components = -0.000421114 Jy ! Clean residual min=-0.025623 max=0.026378 Jy/beam ! Clean residual mean=0.000013 rms=0.004889 Jy/beam ! Combined flux in latest and established models = 2.34529 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 32 components and 2.34529 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=0.098967Jy sigma=0.947863 ! Fit after self-cal, rms=0.098447Jy sigma=0.944835 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7875 x 1.965 at -6.202 degrees (North through East) ! Clean map min=-0.024455 max=2.1653 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 HN 1.02 KP 0.99 LA 1.02 ! MK 1.00 NL 0.98 OV 1.00 PT 1.03 ! SC 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 HN 1.03 KP 0.99 LA 1.01 ! MK 1.00 NL 0.97 OV 1.01 PT 1.03 ! SC 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 HN 1.00 KP 0.99 LA 1.01 ! MK 1.00 NL 0.97 OV 1.01 PT 1.03 ! SC 1.00 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 HN 0.98 KP 1.01 LA 1.02 ! MK 0.99 NL 0.97 OV 0.99 PT 1.03 ! SC 1.00 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 HN 0.98 KP 0.99 LA 1.01 ! MK 1.00 NL 0.98 OV 1.00 PT 1.03 ! SC 1.01 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 HN 1.01 KP 0.98 LA 1.01 ! MK 1.00 NL 0.98 OV 0.99 PT 1.03 ! SC 1.01 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 HN 1.00 KP 0.99 LA 1.01 ! MK 1.00 NL 0.97 OV 1.00 PT 1.03 ! SC 1.01 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 HN 0.97 KP 0.98 LA 1.01 ! MK 1.00 NL 0.98 OV 1.00 PT 1.02 ! SC 1.00 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 HN 1.00 KP 0.98 LA 1.01 ! MK 1.01 NL 0.97 OV 1.00 PT 1.02 ! SC 1.00 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 HN 1.01 KP 0.98 LA 1.01 ! MK 1.01 NL 0.97 OV 1.00 PT 1.02 ! SC 1.00 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 HN 1.02 KP 0.98 LA 1.00 ! MK 1.01 NL 0.98 OV 0.99 PT 1.02 ! SC 0.98 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 HN 1.04 KP 0.98 LA 1.01 ! MK 1.01 NL 0.98 OV 0.99 PT 1.02 ! SC 0.99 ! ! ! Fit before self-cal, rms=0.098447Jy sigma=0.944835 ! Fit after self-cal, rms=0.083826Jy sigma=0.777536 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7874 mas, bmaj=1.964 mas, bpa=-6.211 degrees ! Estimated noise=0.872859 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 (0.8, 3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0149204 Jy ! Component: 100 - total flux cleaned = 0.0169786 Jy ! Component: 150 - total flux cleaned = 0.0172664 Jy ! Component: 200 - total flux cleaned = 0.0175067 Jy ! Total flux subtracted in 200 components = 0.0175067 Jy ! Clean residual min=-0.011480 max=0.009058 Jy/beam ! Clean residual mean=-0.000003 rms=0.002148 Jy/beam ! Combined flux in latest and established models = 2.3628 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 70 components and 2.3628 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=0.080279Jy sigma=0.741237 ! Fit after self-cal, rms=0.080012Jy sigma=0.739413 ! 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=0.080012Jy sigma=0.739413 ! Fit after self-cal, rms=0.079387Jy sigma=0.735303 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7874 mas, bmaj=1.963 mas, bpa=-6.225 degrees ! Estimated noise=0.872763 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00526082 Jy ! Component: 100 - total flux cleaned = 0.0058456 Jy ! Component: 150 - total flux cleaned = 0.00602607 Jy ! Component: 200 - total flux cleaned = 0.00634613 Jy ! Total flux subtracted in 200 components = 0.00634613 Jy ! Clean residual min=-0.009489 max=0.007388 Jy/beam ! Clean residual mean=-0.000002 rms=0.001782 Jy/beam ! Combined flux in latest and established models = 2.36914 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 81 components and 2.36914 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=0.078171Jy sigma=0.724349 ! Fit after self-cal, rms=0.078025Jy sigma=0.723197 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 = 0.000868469 Jy ! Component: 100 - total flux cleaned = 0.00101747 Jy ! Component: 150 - total flux cleaned = 0.000752576 Jy ! Component: 200 - total flux cleaned = 0.000754801 Jy ! Total flux subtracted in 200 components = 0.000754801 Jy ! Clean residual min=-0.008803 max=0.006782 Jy/beam ! Clean residual mean=-0.000002 rms=0.001644 Jy/beam ! Combined flux in latest and established models = 2.3699 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 89 components and 2.3699 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=0.077446Jy sigma=0.718429 ! Fit after self-cal, rms=0.077348Jy sigma=0.717790 ! 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=0.077348Jy sigma=0.717790 ! Fit after self-cal, rms=0.077136Jy sigma=0.716465 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7875 mas, bmaj=1.963 mas, bpa=-6.243 degrees ! Estimated noise=0.872581 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00168655 Jy ! Component: 100 - total flux cleaned = 0.00205657 Jy ! Component: 150 - total flux cleaned = 0.00238859 Jy ! Component: 200 - total flux cleaned = 0.00219041 Jy ! Total flux subtracted in 200 components = 0.00219041 Jy ! Clean residual min=-0.008102 max=0.006123 Jy/beam ! Clean residual mean=-0.000002 rms=0.001493 Jy/beam ! Combined flux in latest and established models = 2.37209 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 94 components and 2.37209 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=0.076701Jy sigma=0.712651 ! Fit after self-cal, rms=0.076614Jy sigma=0.712064 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 = 0.000379612 Jy ! Component: 100 - total flux cleaned = 0.000576658 Jy ! Component: 150 - total flux cleaned = 0.000573012 Jy ! Component: 200 - total flux cleaned = 0.000321763 Jy ! Total flux subtracted in 200 components = 0.000321763 Jy ! Clean residual min=-0.007818 max=0.005915 Jy/beam ! Clean residual mean=-0.000002 rms=0.001420 Jy/beam ! Combined flux in latest and established models = 2.37241 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 100 components and 2.37241 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=0.076337Jy sigma=0.709823 ! Fit after self-cal, rms=0.076265Jy sigma=0.709432 ! 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=0.076265Jy sigma=0.709432 ! Fit after self-cal, rms=0.076204Jy sigma=0.709103 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.019 mas, bmaj=3.074 mas, bpa=-5.162 degrees ! Estimated noise=1.13246 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -2.05573e-05 Jy ! Component: 100 - total flux cleaned = 8.85095e-05 Jy ! Component: 150 - total flux cleaned = 0.000393347 Jy ! Component: 200 - total flux cleaned = 0.00067116 Jy ! Total flux subtracted in 200 components = 0.00067116 Jy ! Clean residual min=-0.006452 max=0.006125 Jy/beam ! Clean residual mean=-0.000005 rms=0.001767 Jy/beam ! Combined flux in latest and established models = 2.37308 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 114 components and 2.37308 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=0.076060Jy sigma=0.707364 ! Fit after self-cal, rms=0.075993Jy sigma=0.706858 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 = 0.000368497 Jy ! Component: 100 - total flux cleaned = 0.000636465 Jy ! Component: 150 - total flux cleaned = 0.000785405 Jy ! Component: 200 - total flux cleaned = 0.000921917 Jy ! Total flux subtracted in 200 components = 0.000921917 Jy ! Clean residual min=-0.006278 max=0.005929 Jy/beam ! Clean residual mean=-0.000004 rms=0.001683 Jy/beam ! Combined flux in latest and established models = 2.374 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 123 components and 2.374 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=0.075940Jy sigma=0.706244 ! Fit after self-cal, rms=0.075903Jy sigma=0.705885 ! 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=0.7875 mas, bmaj=1.964 mas, bpa=-6.253 degrees ! Estimated noise=0.87253 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7875 x 1.964 at -6.253 degrees (North through East) ! Clean map min=-0.0076098 max=2.1711 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! 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=0.075903Jy sigma=0.705885 ! Fit after self-cal, rms=0.069929Jy sigma=0.630529 ! Inverting map and beam ! Estimated beam: bmin=0.7876 mas, bmaj=1.964 mas, bpa=-6.237 degrees ! Estimated noise=0.872928 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000542789 Jy ! Component: 100 - total flux cleaned = -0.000625201 Jy ! Component: 150 - total flux cleaned = -0.000630616 Jy ! Component: 200 - total flux cleaned = -0.000634129 Jy ! Total flux subtracted in 200 components = -0.000634129 Jy ! Clean residual min=-0.007010 max=0.005169 Jy/beam ! Clean residual mean=-0.000002 rms=0.001225 Jy/beam ! Combined flux in latest and established models = 2.37337 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 130 components and 2.37337 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=0.069734Jy sigma=0.628823 ! Fit after self-cal, rms=0.069692Jy sigma=0.628648 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.98653e-06 Jy ! Component: 100 - total flux cleaned = 0.000124534 Jy ! Component: 150 - total flux cleaned = 0.000182843 Jy ! Component: 200 - total flux cleaned = 0.00023303 Jy ! Total flux subtracted in 200 components = 0.00023303 Jy ! Clean residual min=-0.006781 max=0.005175 Jy/beam ! Clean residual mean=-0.000002 rms=0.001196 Jy/beam ! Combined flux in latest and established models = 2.3736 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 133 components and 2.3736 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=0.069569Jy sigma=0.627734 ! Fit after self-cal, rms=0.069527Jy sigma=0.627556 ! Inverting map ! Performing amp+phase self-cal ! ! 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=0.069527Jy sigma=0.627556 ! Fit after self-cal, rms=0.069506Jy sigma=0.627443 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=0.6241 mas, bmaj=1.717 mas, bpa=-7.752 degrees ! Estimated noise=1.34548 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.75063 Jy ! Component: 100 - total flux cleaned = 2.13782 Jy ! Component: 150 - total flux cleaned = 2.25237 Jy ! Component: 200 - total flux cleaned = 2.29681 Jy ! Total flux subtracted in 200 components = 2.29681 Jy ! Clean residual min=-0.016377 max=0.021886 Jy/beam ! Clean residual mean=0.000001 rms=0.003979 Jy/beam ! Combined flux in latest and established models = 2.29681 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 15 model components to the UV plane model. ! The established model now contains 15 components and 2.29681 Jy ! Inverting map and beam ! Estimated beam: bmin=0.7875 mas, bmaj=1.964 mas, bpa=-6.233 degrees ! Estimated noise=0.872854 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 = 0.0335864 Jy ! Component: 100 - total flux cleaned = 0.0532417 Jy ! Component: 150 - total flux cleaned = 0.0632597 Jy ! Component: 200 - total flux cleaned = 0.0670896 Jy ! Total flux subtracted in 200 components = 0.0670896 Jy ! Clean residual min=-0.010661 max=0.008995 Jy/beam ! Clean residual mean=-0.000003 rms=0.001897 Jy/beam ! Combined flux in latest and established models = 2.3639 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 40 components and 2.3639 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=2.02 mas, bmaj=3.075 mas, bpa=-5.153 degrees ! Estimated noise=1.13256 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00700182 Jy ! Component: 100 - total flux cleaned = 0.00776247 Jy ! Component: 150 - total flux cleaned = 0.00836998 Jy ! Component: 200 - total flux cleaned = 0.00876384 Jy ! Total flux subtracted in 200 components = 0.00876384 Jy ! Clean residual min=-0.007173 max=0.007051 Jy/beam ! Clean residual mean=-0.000006 rms=0.002006 Jy/beam ! Combined flux in latest and established models = 2.37266 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000355219 Jy ! Component: 100 - total flux cleaned = 0.000674704 Jy ! Component: 150 - total flux cleaned = 0.00107178 Jy ! Component: 200 - total flux cleaned = 0.00134365 Jy ! Total flux subtracted in 200 components = 0.00134365 Jy ! Clean residual min=-0.006894 max=0.006396 Jy/beam ! Clean residual mean=-0.000005 rms=0.001836 Jy/beam ! Combined flux in latest and established models = 2.374 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 70 components and 2.374 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.7875 mas, bmaj=1.964 mas, bpa=-6.233 degrees ! Estimated noise=0.872854 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00129619 Jy ! Component: 100 - total flux cleaned = -0.000946547 Jy ! Component: 150 - total flux cleaned = -0.000650028 Jy ! Component: 200 - total flux cleaned = -0.000521185 Jy ! Total flux subtracted in 200 components = -0.000521185 Jy ! Clean residual min=-0.008451 max=0.007912 Jy/beam ! Clean residual mean=-0.000002 rms=0.001400 Jy/beam ! Combined flux in latest and established models = 2.37348 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 86 components and 2.37348 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=0.070324Jy sigma=0.638547 ! Fit after self-cal, rms=0.070036Jy sigma=0.635688 wmodel J1751+0939_X_map.mod ! Writing 86 model components to file: J1751+0939_X_map.mod wobs J1751+0939_X_uvs.fits ! Writing UV FITS file: J1751+0939_X_uvs.fits wwins J1751+0939_X_map.win ! wwins: Wrote 4 windows to J1751+0939_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 = -0.000838122 Jy ! Component: 100 - total flux cleaned = -0.00138235 Jy ! Component: 150 - total flux cleaned = -0.00245196 Jy ! Component: 200 - total flux cleaned = -0.00335302 Jy ! Component: 250 - total flux cleaned = -0.00376917 Jy ! Component: 300 - total flux cleaned = -0.00415877 Jy ! Component: 350 - total flux cleaned = -0.00445308 Jy ! Component: 400 - total flux cleaned = -0.00479994 Jy ! Component: 450 - total flux cleaned = -0.0051289 Jy ! Component: 500 - total flux cleaned = -0.00525509 Jy ! Component: 550 - total flux cleaned = -0.00537581 Jy ! Component: 600 - total flux cleaned = -0.00548883 Jy ! Component: 650 - total flux cleaned = -0.00548911 Jy ! Component: 700 - total flux cleaned = -0.00564713 Jy ! Component: 750 - total flux cleaned = -0.00574854 Jy ! Component: 800 - total flux cleaned = -0.00570032 Jy ! Component: 850 - total flux cleaned = -0.00574757 Jy ! Component: 900 - total flux cleaned = -0.0057925 Jy ! Component: 950 - total flux cleaned = -0.00579158 Jy ! Component: 1000 - total flux cleaned = -0.00574886 Jy ! Component: 1050 - total flux cleaned = -0.00579111 Jy ! Component: 1100 - total flux cleaned = -0.00591243 Jy ! Component: 1150 - total flux cleaned = -0.00603017 Jy ! Component: 1200 - total flux cleaned = -0.00614502 Jy ! Component: 1250 - total flux cleaned = -0.00622045 Jy ! Component: 1300 - total flux cleaned = -0.00633069 Jy ! Component: 1350 - total flux cleaned = -0.00643701 Jy ! Component: 1400 - total flux cleaned = -0.00654005 Jy ! Component: 1450 - total flux cleaned = -0.00667541 Jy ! Component: 1500 - total flux cleaned = -0.00677419 Jy ! Component: 1550 - total flux cleaned = -0.00699968 Jy ! Component: 1600 - total flux cleaned = -0.00715744 Jy ! Component: 1650 - total flux cleaned = -0.00731225 Jy ! Component: 1700 - total flux cleaned = -0.00758482 Jy ! Component: 1750 - total flux cleaned = -0.00776248 Jy ! Component: 1800 - total flux cleaned = -0.00793677 Jy ! Component: 1850 - total flux cleaned = -0.00805064 Jy ! Component: 1900 - total flux cleaned = -0.00816301 Jy ! Component: 1950 - total flux cleaned = -0.00838297 Jy ! Component: 2000 - total flux cleaned = -0.00851808 Jy ! Component: 2050 - total flux cleaned = -0.00857162 Jy ! Component: 2100 - total flux cleaned = -0.00864984 Jy ! Component: 2150 - total flux cleaned = -0.00864956 Jy ! Component: 2200 - total flux cleaned = -0.00867477 Jy ! Component: 2250 - total flux cleaned = -0.00860003 Jy ! Component: 2300 - total flux cleaned = -0.00874867 Jy ! Component: 2350 - total flux cleaned = -0.00879771 Jy ! Component: 2400 - total flux cleaned = -0.00891794 Jy ! Component: 2450 - total flux cleaned = -0.00887062 Jy ! Component: 2500 - total flux cleaned = -0.0088944 Jy ! Component: 2550 - total flux cleaned = -0.00896382 Jy ! Component: 2600 - total flux cleaned = -0.00898686 Jy ! Component: 2650 - total flux cleaned = -0.00914427 Jy ! Component: 2700 - total flux cleaned = -0.00914453 Jy ! Component: 2750 - total flux cleaned = -0.00925415 Jy ! Component: 2800 - total flux cleaned = -0.00936221 Jy ! Component: 2850 - total flux cleaned = -0.00951218 Jy ! Component: 2900 - total flux cleaned = -0.00963903 Jy ! Component: 2950 - total flux cleaned = -0.00978549 Jy ! Component: 3000 - total flux cleaned = -0.0099303 Jy ! Component: 3050 - total flux cleaned = -0.0100941 Jy ! Component: 3100 - total flux cleaned = -0.0102357 Jy ! Component: 3150 - total flux cleaned = -0.0103159 Jy ! Component: 3200 - total flux cleaned = -0.0105141 Jy ! Component: 3250 - total flux cleaned = -0.010632 Jy ! Component: 3300 - total flux cleaned = -0.0107877 Jy ! Component: 3350 - total flux cleaned = -0.0109226 Jy ! Component: 3400 - total flux cleaned = -0.011056 Jy ! Component: 3450 - total flux cleaned = -0.0111129 Jy ! Component: 3500 - total flux cleaned = -0.0112255 Jy ! Component: 3550 - total flux cleaned = -0.0112812 Jy ! Component: 3600 - total flux cleaned = -0.0113733 Jy ! Component: 3650 - total flux cleaned = -0.011483 Jy ! Component: 3700 - total flux cleaned = -0.0115557 Jy ! Component: 3750 - total flux cleaned = -0.0116458 Jy ! Component: 3800 - total flux cleaned = -0.0117173 Jy ! Component: 3850 - total flux cleaned = -0.0118766 Jy ! Component: 3900 - total flux cleaned = -0.0119293 Jy ! Component: 3950 - total flux cleaned = -0.0120164 Jy ! Component: 4000 - total flux cleaned = -0.0120857 Jy ! Component: 4050 - total flux cleaned = -0.0121543 Jy ! Total flux subtracted in 4096 components = -0.0122907 Jy ! Clean residual min=-0.001028 max=0.000940 Jy/beam ! Clean residual mean=-0.000000 rms=0.000281 Jy/beam ! Combined flux in latest and established models = 2.36119 Jy keep ! Adding 263 model components to the UV plane model. ! The established model now contains 349 components and 2.36119 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J1751+0939_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7875 x 1.964 at -6.233 degrees (North through East) ! Clean map min=-0.0052465 max=2.1677 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J1751+0939_X_map.fits wmodel /vlbi/bp222/maps//J1751+0939_X_map.mod ! Writing 349 model components to file: /vlbi/bp222/maps//J1751+0939_X_map.mod wobs /vlbi/bp222/maps//J1751+0939_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J1751+0939_X_uvs.fits wwins /vlbi/bp222/maps//J1751+0939_X_map.win ! wwins: Wrote 5 windows to /vlbi/bp222/maps//J1751+0939_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 2.16769 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000272394 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0376984 0.0376984 0.0753967 0.150793 0.301587 0.603174 1.20635 2.41269 4.82539 9.65078 19.3016 38.6031 77.2062 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0008 print "peak= ", int(1000*peak_flux)/1000 ! peak= 2.167 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 7957.91 quit ! Quitting program ! Log file /vlbi/bp222/maps//J1751+0939_X_dfm.log closed on Thu Sep 27 11:28:18 2018