! Started logfile: /vlbi/uf001/uva//J1901-2528_X_dfm.log on Mon Jan 14 04:54:50 2019 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/uf001/uva//J1901-2528_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1901-2528_X_uva.fits ! AN table 1: 38 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.997807 visibilities/baseline/integration-bin. ! Found source: J1901-2528 ! ! 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 16380 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 J1901-2528_X] float lim_self lim_self = 120.0 float lim_val lim_va = 1.2 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff print "===============================================================" ! =============================================================== ! print "=== Difmap script: pima_mupet_01.dvm version of 2016.05.19 === " ! === Difmap script: pima_mupet_01.dvm version of 2016.05.19 === ! mapsize field_size, field_cell ! Map grid = 1024x1024 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=1.004060Jy sigma=21.710378 ! Fit after self-cal, rms=0.930164Jy sigma=20.040222 ! 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=0.6002 mas, bmaj=1.584 mas, bpa=-2.891 degrees ! Estimated noise=0.473005 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 = 0.0527958 Jy ! Component: 100 - total flux cleaned = 0.0662851 Jy ! Total flux subtracted in 100 components = 0.0662851 Jy ! Clean residual min=-0.004288 max=0.006026 Jy/beam ! Clean residual mean=-0.000016 rms=0.001074 Jy/beam ! Combined flux in latest and established models = 0.0662851 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.0662851 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=0.072112Jy sigma=1.356098 ! Fit after self-cal, rms=0.071740Jy sigma=1.348955 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00702792 Jy ! Component: 100 - total flux cleaned = 0.0109204 Jy ! Total flux subtracted in 100 components = 0.0109204 Jy ! Clean residual min=-0.003798 max=0.004180 Jy/beam ! Clean residual mean=-0.000012 rms=0.000883 Jy/beam ! Combined flux in latest and established models = 0.0772055 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 11 components and 0.0772055 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=0.070831Jy sigma=1.315443 ! Fit after self-cal, rms=0.070829Jy sigma=1.315062 ! 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=0.7527 mas, bmaj=1.937 mas, bpa=-2.111 degrees ! Estimated noise=0.266006 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 = 0.00510856 Jy ! Component: 100 - total flux cleaned = 0.00775225 Jy ! Component: 150 - total flux cleaned = 0.00916146 Jy ! Component: 200 - total flux cleaned = 0.00991446 Jy ! Total flux subtracted in 200 components = 0.00991446 Jy ! Clean residual min=-0.003800 max=0.004729 Jy/beam ! Clean residual mean=-0.000015 rms=0.000942 Jy/beam ! Combined flux in latest and established models = 0.0871199 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 19 components and 0.0871199 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=0.070646Jy sigma=1.303052 ! Fit after self-cal, rms=0.070655Jy sigma=1.302925 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7527 x 1.937 at -2.111 degrees (North through East) ! Clean map min=-0.0036569 max=0.072075 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 HN 1.41 KP 0.97 LA 0.94 ! MK 0.99 NL 1.19 OV 0.86 PT 0.85 ! SC 1.01 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.16 HN 1.30 KP 1.00 LA 0.94 ! MK 1.00 NL 1.15 OV 0.86 PT 0.92 ! SC 1.01 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 HN 1.10 KP 1.02 LA 1.00 ! MK 0.96 NL 1.23 OV 0.88 PT 0.89 ! SC 0.99 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 HN 1.11 KP 0.98 LA 0.98 ! MK 0.96 NL 1.22 OV 0.89 PT 0.87 ! SC 0.94 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 HN 1.30 KP 1.00 LA 0.96 ! MK 1.04 NL 1.17 OV 0.86 PT 0.87 ! SC 1.00 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 HN 1.15 KP 1.06 LA 0.96 ! MK 1.03 NL 1.15 OV 0.87 PT 0.89 ! SC 0.93 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 HN 1.21 KP 1.02 LA 1.00 ! MK 0.92 NL 1.14 OV 0.86 PT 0.88 ! SC 1.00 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 HN 1.21 KP 1.08 LA 0.97 ! MK 0.98 NL 1.22 OV 0.81 PT 0.90 ! SC 0.90 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 HN 1.26 KP 1.03 LA 0.91 ! MK 0.94 NL 1.13 OV 0.88 PT 0.92 ! SC 1.01 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.21 HN 1.24 KP 1.04 LA 0.98 ! MK 1.01 NL 1.20 OV 0.81 PT 0.87 ! SC 0.94 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 HN 1.08 KP 0.99 LA 0.95 ! MK 1.01 NL 1.25 OV 0.86 PT 0.89 ! SC 1.03 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 HN 1.19 KP 1.06 LA 0.99 ! MK 1.01 NL 1.10 OV 0.85 PT 0.89 ! SC 0.98 ! ! ! Fit before self-cal, rms=0.070655Jy sigma=1.302925 ! Fit after self-cal, rms=0.077425Jy sigma=1.277886 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7549 mas, bmaj=1.936 mas, bpa=-1.685 degrees ! Estimated noise=0.26554 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, -7.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.002239 Jy ! Component: 100 - total flux cleaned = 0.00234627 Jy ! Component: 150 - total flux cleaned = 0.00242553 Jy ! Component: 200 - total flux cleaned = 0.00245855 Jy ! Total flux subtracted in 200 components = 0.00245855 Jy ! Clean residual min=-0.001590 max=0.001603 Jy/beam ! Clean residual mean=-0.000001 rms=0.000363 Jy/beam ! Combined flux in latest and established models = 0.0895785 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 41 components and 0.0895785 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=0.077349Jy sigma=1.275243 ! Fit after self-cal, rms=0.077638Jy sigma=1.274086 ! 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=0.077638Jy sigma=1.274086 ! Fit after self-cal, rms=0.078733Jy sigma=1.271075 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.752 mas, bmaj=1.926 mas, bpa=-1.748 degrees ! Estimated noise=0.265663 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000853009 Jy ! Component: 100 - total flux cleaned = 0.000943678 Jy ! Component: 150 - total flux cleaned = 0.000994605 Jy ! Component: 200 - total flux cleaned = 0.00101796 Jy ! Total flux subtracted in 200 components = 0.00101796 Jy ! Clean residual min=-0.001517 max=0.001449 Jy/beam ! Clean residual mean=-0.000002 rms=0.000326 Jy/beam ! Combined flux in latest and established models = 0.0905964 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 51 components and 0.0905964 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=0.078712Jy sigma=1.270475 ! Fit after self-cal, rms=0.078731Jy sigma=1.270384 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 = 0.000170787 Jy ! Component: 100 - total flux cleaned = 0.000171186 Jy ! Component: 150 - total flux cleaned = 0.000170611 Jy ! Component: 200 - total flux cleaned = 0.000152071 Jy ! Total flux subtracted in 200 components = 0.000152071 Jy ! Clean residual min=-0.001519 max=0.001411 Jy/beam ! Clean residual mean=-0.000001 rms=0.000322 Jy/beam ! Combined flux in latest and established models = 0.0907485 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 55 components and 0.0907485 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=0.078720Jy sigma=1.270107 ! Fit after self-cal, rms=0.078719Jy sigma=1.270092 ! 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=0.078719Jy sigma=1.270092 ! Fit after self-cal, rms=0.079358Jy sigma=1.269160 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7504 mas, bmaj=1.921 mas, bpa=-1.836 degrees ! Estimated noise=0.264919 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000522011 Jy ! Component: 100 - total flux cleaned = 0.000576934 Jy ! Component: 150 - total flux cleaned = 0.00056087 Jy ! Component: 200 - total flux cleaned = 0.000546228 Jy ! Total flux subtracted in 200 components = 0.000546228 Jy ! Clean residual min=-0.001447 max=0.001451 Jy/beam ! Clean residual mean=-0.000001 rms=0.000308 Jy/beam ! Combined flux in latest and established models = 0.0912947 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 60 components and 0.0912947 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=0.079350Jy sigma=1.268937 ! Fit after self-cal, rms=0.079361Jy sigma=1.268886 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 (-39.2, -30). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000737744 Jy ! Component: 100 - total flux cleaned = 0.00054432 Jy ! Component: 150 - total flux cleaned = 0.000379436 Jy ! Component: 200 - total flux cleaned = 0.00028183 Jy ! Total flux subtracted in 200 components = 0.00028183 Jy ! Clean residual min=-0.001357 max=0.001273 Jy/beam ! Clean residual mean=-0.000001 rms=0.000301 Jy/beam ! Combined flux in latest and established models = 0.0915766 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 73 components and 0.0915766 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=0.079313Jy sigma=1.268370 ! Fit after self-cal, rms=0.079304Jy sigma=1.268315 ! 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=0.079304Jy sigma=1.268315 ! Fit after self-cal, rms=0.079397Jy sigma=1.268275 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.144 mas, bmaj=5.357 mas, bpa=2.301 degrees ! Estimated noise=0.347477 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000395772 Jy ! Component: 100 - total flux cleaned = 0.000371665 Jy ! Component: 150 - total flux cleaned = 0.000329389 Jy ! Component: 200 - total flux cleaned = 0.000319156 Jy ! Total flux subtracted in 200 components = 0.000319156 Jy ! Clean residual min=-0.001435 max=0.001201 Jy/beam ! Clean residual mean=-0.000003 rms=0.000348 Jy/beam ! Combined flux in latest and established models = 0.0918957 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 83 components and 0.0918957 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=0.079392Jy sigma=1.268216 ! Fit after self-cal, rms=0.079388Jy sigma=1.268194 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 = 0.000120874 Jy ! Component: 100 - total flux cleaned = 9.02279e-05 Jy ! Component: 150 - total flux cleaned = 7.1576e-05 Jy ! Component: 200 - total flux cleaned = 5.36831e-05 Jy ! Total flux subtracted in 200 components = 5.36831e-05 Jy ! Clean residual min=-0.001433 max=0.001195 Jy/beam ! Clean residual mean=-0.000003 rms=0.000348 Jy/beam ! Combined flux in latest and established models = 0.0919494 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 88 components and 0.0919494 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=0.079386Jy sigma=1.268195 ! Fit after self-cal, rms=0.079384Jy sigma=1.268192 ! 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=0.7495 mas, bmaj=1.92 mas, bpa=-1.835 degrees ! Estimated noise=0.264826 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7495 x 1.92 at -1.835 degrees (North through East) ! Clean map min=-0.0014353 max=0.071667 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=0.5986 mas, bmaj=1.57 mas, bpa=-2.18 degrees ! Estimated noise=0.472471 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0528104 Jy ! Component: 100 - total flux cleaned = 0.0673517 Jy ! Component: 150 - total flux cleaned = 0.0748269 Jy ! Component: 200 - total flux cleaned = 0.079144 Jy ! Total flux subtracted in 200 components = 0.079144 Jy ! Clean residual min=-0.002891 max=0.003392 Jy/beam ! Clean residual mean=-0.000007 rms=0.000683 Jy/beam ! Combined flux in latest and established models = 0.079144 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 20 model components to the UV plane model. ! The established model now contains 20 components and 0.079144 Jy ! Inverting map and beam ! Estimated beam: bmin=0.7495 mas, bmaj=1.92 mas, bpa=-1.835 degrees ! Estimated noise=0.264826 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 = 0.00500819 Jy ! Component: 100 - total flux cleaned = 0.00791279 Jy ! Component: 150 - total flux cleaned = 0.00992829 Jy ! Component: 200 - total flux cleaned = 0.0106748 Jy ! Total flux subtracted in 200 components = 0.0106748 Jy ! Clean residual min=-0.001387 max=0.001477 Jy/beam ! Clean residual mean=-0.000004 rms=0.000354 Jy/beam ! Combined flux in latest and established models = 0.0898188 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 46 components and 0.0898188 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=2.144 mas, bmaj=5.357 mas, bpa=2.301 degrees ! Estimated noise=0.347477 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00178541 Jy ! Component: 100 - total flux cleaned = 0.00183214 Jy ! Component: 150 - total flux cleaned = 0.00183453 Jy ! Component: 200 - total flux cleaned = 0.00185358 Jy ! Total flux subtracted in 200 components = 0.00185358 Jy ! Clean residual min=-0.001556 max=0.001258 Jy/beam ! Clean residual mean=-0.000004 rms=0.000355 Jy/beam ! Combined flux in latest and established models = 0.0916724 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 = -3.11413e-05 Jy ! Component: 100 - total flux cleaned = -4.5399e-05 Jy ! Component: 150 - total flux cleaned = -7.18445e-05 Jy ! Component: 200 - total flux cleaned = -8.41784e-05 Jy ! Total flux subtracted in 200 components = -8.41784e-05 Jy ! Clean residual min=-0.001537 max=0.001225 Jy/beam ! Clean residual mean=-0.000003 rms=0.000351 Jy/beam ! Combined flux in latest and established models = 0.0915882 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 62 components and 0.0915882 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.7495 mas, bmaj=1.92 mas, bpa=-1.835 degrees ! Estimated noise=0.264826 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000355564 Jy ! Component: 100 - total flux cleaned = 0.000208345 Jy ! Component: 150 - total flux cleaned = 0.000110104 Jy ! Component: 200 - total flux cleaned = 5.07191e-05 Jy ! Total flux subtracted in 200 components = 5.07191e-05 Jy ! Clean residual min=-0.001324 max=0.001347 Jy/beam ! Clean residual mean=-0.000001 rms=0.000310 Jy/beam ! Combined flux in latest and established models = 0.0916389 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 75 components and 0.0916389 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=0.079415Jy sigma=1.268798 ! Fit after self-cal, rms=0.079405Jy sigma=1.268706 wmodel J1901-2528_X_map.mod ! Writing 75 model components to file: J1901-2528_X_map.mod wobs J1901-2528_X_uvs.fits ! Writing UV FITS file: J1901-2528_X_uvs.fits wwins J1901-2528_X_map.win ! wwins: Wrote 3 windows to J1901-2528_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 = -0.000116269 Jy ! Component: 100 - total flux cleaned = -0.00031531 Jy ! Component: 150 - total flux cleaned = -0.000503209 Jy ! Component: 200 - total flux cleaned = -0.000543841 Jy ! Component: 250 - total flux cleaned = -0.000622691 Jy ! Component: 300 - total flux cleaned = -0.00079517 Jy ! Component: 350 - total flux cleaned = -0.000925679 Jy ! Component: 400 - total flux cleaned = -0.00101724 Jy ! Component: 450 - total flux cleaned = -0.00110718 Jy ! Component: 500 - total flux cleaned = -0.0011778 Jy ! Component: 550 - total flux cleaned = -0.0012641 Jy ! Component: 600 - total flux cleaned = -0.00126431 Jy ! Component: 650 - total flux cleaned = -0.00133126 Jy ! Component: 700 - total flux cleaned = -0.00141352 Jy ! Component: 750 - total flux cleaned = -0.00149417 Jy ! Component: 800 - total flux cleaned = -0.00155817 Jy ! Component: 850 - total flux cleaned = -0.0016215 Jy ! Component: 900 - total flux cleaned = -0.00169941 Jy ! Component: 950 - total flux cleaned = -0.00174557 Jy ! Component: 1000 - total flux cleaned = -0.00185246 Jy ! Component: 1050 - total flux cleaned = -0.00188259 Jy ! Component: 1100 - total flux cleaned = -0.0019721 Jy ! Component: 1150 - total flux cleaned = -0.00195728 Jy ! Component: 1200 - total flux cleaned = -0.00197196 Jy ! Component: 1250 - total flux cleaned = -0.00204436 Jy ! Component: 1300 - total flux cleaned = -0.00213037 Jy ! Component: 1350 - total flux cleaned = -0.00211627 Jy ! Component: 1400 - total flux cleaned = -0.00224272 Jy ! Component: 1450 - total flux cleaned = -0.00221491 Jy ! Component: 1500 - total flux cleaned = -0.00224256 Jy ! Component: 1550 - total flux cleaned = -0.00232456 Jy ! Component: 1600 - total flux cleaned = -0.00237864 Jy ! Component: 1650 - total flux cleaned = -0.00236503 Jy ! Component: 1700 - total flux cleaned = -0.00237868 Jy ! Component: 1750 - total flux cleaned = -0.00244463 Jy ! Component: 1800 - total flux cleaned = -0.00245765 Jy ! Component: 1850 - total flux cleaned = -0.0024707 Jy ! Component: 1900 - total flux cleaned = -0.00245778 Jy ! Component: 1950 - total flux cleaned = -0.00245802 Jy ! Component: 2000 - total flux cleaned = -0.00252139 Jy ! Component: 2050 - total flux cleaned = -0.0024836 Jy ! Component: 2100 - total flux cleaned = -0.00249611 Jy ! Component: 2150 - total flux cleaned = -0.00253328 Jy ! Component: 2200 - total flux cleaned = -0.00253311 Jy ! Component: 2250 - total flux cleaned = -0.00252091 Jy ! Component: 2300 - total flux cleaned = -0.00255724 Jy ! Component: 2350 - total flux cleaned = -0.00258128 Jy ! Component: 2400 - total flux cleaned = -0.00256918 Jy ! Component: 2450 - total flux cleaned = -0.0025692 Jy ! Component: 2500 - total flux cleaned = -0.00259271 Jy ! Component: 2550 - total flux cleaned = -0.00260437 Jy ! Component: 2600 - total flux cleaned = -0.00259276 Jy ! Component: 2650 - total flux cleaned = -0.0026389 Jy ! Component: 2700 - total flux cleaned = -0.00265042 Jy ! Component: 2750 - total flux cleaned = -0.00265037 Jy ! Component: 2800 - total flux cleaned = -0.00268443 Jy ! Component: 2850 - total flux cleaned = -0.00268443 Jy ! Component: 2900 - total flux cleaned = -0.00275162 Jy ! Component: 2950 - total flux cleaned = -0.00279592 Jy ! Component: 3000 - total flux cleaned = -0.00275164 Jy ! Component: 3050 - total flux cleaned = -0.00281759 Jy ! Component: 3100 - total flux cleaned = -0.00286119 Jy ! Component: 3150 - total flux cleaned = -0.00290456 Jy ! Component: 3200 - total flux cleaned = -0.00292613 Jy ! Component: 3250 - total flux cleaned = -0.0029047 Jy ! Component: 3300 - total flux cleaned = -0.00294725 Jy ! Component: 3350 - total flux cleaned = -0.00298967 Jy ! Component: 3400 - total flux cleaned = -0.00301074 Jy ! Component: 3450 - total flux cleaned = -0.00300028 Jy ! Component: 3500 - total flux cleaned = -0.00307324 Jy ! Component: 3550 - total flux cleaned = -0.0030629 Jy ! Component: 3600 - total flux cleaned = -0.00310411 Jy ! Component: 3650 - total flux cleaned = -0.00310399 Jy ! Component: 3700 - total flux cleaned = -0.0031652 Jy ! Component: 3750 - total flux cleaned = -0.00318545 Jy ! Component: 3800 - total flux cleaned = -0.00322584 Jy ! Component: 3850 - total flux cleaned = -0.00321567 Jy ! Component: 3900 - total flux cleaned = -0.00326569 Jy ! Component: 3950 - total flux cleaned = -0.00333525 Jy ! Component: 4000 - total flux cleaned = -0.0033551 Jy ! Component: 4050 - total flux cleaned = -0.00339442 Jy ! Total flux subtracted in 4096 components = -0.00340429 Jy ! Clean residual min=-0.000531 max=0.000621 Jy/beam ! Clean residual mean=-0.000000 rms=0.000166 Jy/beam ! Combined flux in latest and established models = 0.0882346 Jy keep ! Adding 301 model components to the UV plane model. ! The established model now contains 376 components and 0.0882347 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1901-2528_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7495 x 1.92 at -1.835 degrees (North through East) ! Clean map min=-0.00096576 max=0.072329 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1901-2528_X_map.fits wmodel /vlbi/uf001/uva//J1901-2528_X_map.mod ! Writing 376 model components to file: /vlbi/uf001/uva//J1901-2528_X_map.mod wobs /vlbi/uf001/uva//J1901-2528_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1901-2528_X_uvs.fits wwins /vlbi/uf001/uva//J1901-2528_X_map.win ! wwins: Wrote 4 windows to /vlbi/uf001/uva//J1901-2528_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.072329 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000166284 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.689699 0.689699 1.3794 2.75879 5.51759 11.0352 22.0704 44.1407 88.2814 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.072 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 434.972 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1901-2528_X_dfm.log closed on Mon Jan 14 04:54:55 2019