! Started logfile: /vlbi/sb072/temp_maps//J0237+2000_C_dfm.log on Fri Dec 28 22:46:53 2018 float field_size field_size = 1024 float field_cell field_cell = 0.3000 float taper_size taper_size = 40.0 float freq freq = 4.12800 obs /vlbi/sb072/temp_maps//J0237+2000_C_uva.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J0237+2000_C_uva.fits ! AN table 1: 23 integrations on 36 of 36 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J0237+2000 ! ! There are 8 IFs, and a total of 8 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 4.128e+09 3.2e+07 1 3.2e+07 ! 02 2 4.16e+09 3.2e+07 1 3.2e+07 ! 03 3 4.192e+09 3.2e+07 1 3.2e+07 ! 04 4 4.224e+09 3.2e+07 1 3.2e+07 ! 05 5 4.416e+09 3.2e+07 1 3.2e+07 ! 06 6 4.512e+09 3.2e+07 1 3.2e+07 ! 07 7 4.544e+09 3.2e+07 1 3.2e+07 ! 08 8 4.576e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 94 lines of history. ! ! Reading 6624 visibilities. select rr, 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ! Restricting channel ranges to the available 8 channels. ! Selecting polarization: RR, channels: 1..8 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ! Reading IF 5 channels: 5..5 ! Reading IF 6 channels: 6..6 ! Reading IF 7 channels: 7..7 ! Reading IF 8 channels: 8..8 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.3 print "taper_size =", taper_size ! taper_size = 40 ![@/opt64/bin/pima_mupet_01.dfm J0237+2000_C] float lim_self lim_self = 120.0 float lim_val lim_va = 1.2 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff print "===============================================================" ! =============================================================== ! print "=== Difmap script: pima_mupet_01.dvm version of 2016.05.19 === " ! === Difmap script: pima_mupet_01.dvm version of 2016.05.19 === ! mapsize field_size, field_cell ! Map grid = 1024x1024 pixels with 0.300x0.300 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=1.000811Jy sigma=46.999792 ! Fit after self-cal, rms=0.987613Jy sigma=46.394811 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.211 mas, bmaj=3.506 mas, bpa=5.938 degrees ! Estimated noise=0.344609 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 = 0.00893635 Jy ! Component: 100 - total flux cleaned = 0.0110928 Jy ! Total flux subtracted in 100 components = 0.0110928 Jy ! Clean residual min=-0.001134 max=0.001283 Jy/beam ! Clean residual mean=-0.000001 rms=0.000314 Jy/beam ! Combined flux in latest and established models = 0.0110928 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.0110928 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.018352Jy sigma=0.838334 ! Fit after self-cal, rms=0.016281Jy sigma=0.730030 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00360397 Jy ! Component: 100 - total flux cleaned = 0.0045492 Jy ! Total flux subtracted in 100 components = 0.0045492 Jy ! Clean residual min=-0.000853 max=0.000981 Jy/beam ! Clean residual mean=-0.000001 rms=0.000224 Jy/beam ! Combined flux in latest and established models = 0.015642 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 9 components and 0.015642 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.015467Jy sigma=0.692096 ! Fit after self-cal, rms=0.015467Jy sigma=0.692086 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.502 mas, bmaj=3.788 mas, bpa=4.468 degrees ! Estimated noise=0.187993 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 = 0.000633125 Jy ! Component: 100 - total flux cleaned = 0.000816394 Jy ! Component: 150 - total flux cleaned = 0.000875616 Jy ! Component: 200 - total flux cleaned = 0.000890099 Jy ! Total flux subtracted in 200 components = 0.000890099 Jy ! Clean residual min=-0.000685 max=0.000804 Jy/beam ! Clean residual mean=-0.000001 rms=0.000189 Jy/beam ! Combined flux in latest and established models = 0.0165321 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 24 components and 0.0165321 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.015440Jy sigma=0.691144 ! Fit after self-cal, rms=0.015440Jy sigma=0.691125 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.502 x 3.788 at 4.468 degrees (North through East) ! Clean map min=-0.00065878 max=0.01574 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 0.88 HN 1.03 KP 0.94 ! MK 0.87 NL 1.18 OV 0.85 PT 0.84 ! SC 1.12 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.81 HN 1.12 KP 0.95 ! MK 0.87 NL 1.27 OV 0.90 PT 0.76 ! SC 1.10 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.98 HN 1.09 KP 1.02 ! MK 0.92 NL 1.10 OV 1.14 PT 0.86 ! SC 0.94 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.89 HN 1.13 KP 0.98 ! MK 0.98 NL 1.13 OV 1.18 PT 0.99 ! SC 0.92 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.96 HN 1.00 KP 0.99 ! MK 0.88 NL 1.15 OV 1.08 PT 1.02 ! SC 1.02 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.97 HN 0.98 KP 1.03 ! MK 1.14 NL 1.01 OV 1.08 PT 0.99 ! SC 1.08 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 0.89 HN 0.93 KP 1.03 ! MK 0.94 NL 1.10 OV 1.15 PT 0.98 ! SC 0.93 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 0.99 HN 0.96 KP 1.01 ! MK 0.96 NL 1.07 OV 0.97 PT 1.10 ! SC 0.95 ! ! ! Fit before self-cal, rms=0.015440Jy sigma=0.691125 ! Fit after self-cal, rms=0.015023Jy sigma=0.683092 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.493 mas, bmaj=3.822 mas, bpa=4.162 degrees ! Estimated noise=0.187524 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 = -6.26078e-05 Jy ! Component: 100 - total flux cleaned = -0.000110166 Jy ! Component: 150 - total flux cleaned = -0.000144888 Jy ! Component: 200 - total flux cleaned = -0.000133037 Jy ! Total flux subtracted in 200 components = -0.000133037 Jy ! Clean residual min=-0.000481 max=0.000546 Jy/beam ! Clean residual mean=-0.000000 rms=0.000127 Jy/beam ! Combined flux in latest and established models = 0.0163991 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 33 components and 0.0163991 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.015018Jy sigma=0.682861 ! Fit after self-cal, rms=0.015046Jy sigma=0.682289 ! Inverting map selfcal true, true, soltime1 ! Performing amp+phase self-cal over 120 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.015046Jy sigma=0.682289 ! Fit after self-cal, rms=0.015085Jy sigma=0.682189 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.491 mas, bmaj=3.832 mas, bpa=4.057 degrees ! Estimated noise=0.187536 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.17132e-06 Jy ! Component: 100 - total flux cleaned = -1.95197e-05 Jy ! Component: 150 - total flux cleaned = -2.29979e-05 Jy ! Component: 200 - total flux cleaned = -2.29258e-05 Jy ! Total flux subtracted in 200 components = -2.29258e-05 Jy ! Clean residual min=-0.000476 max=0.000536 Jy/beam ! Clean residual mean=-0.000000 rms=0.000126 Jy/beam ! Combined flux in latest and established models = 0.0163762 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 35 components and 0.0163762 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.015083Jy sigma=0.682089 ! Fit after self-cal, rms=0.015088Jy sigma=0.682065 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 (-49.5, -41.1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000316346 Jy ! Component: 100 - total flux cleaned = 0.000272746 Jy ! Component: 150 - total flux cleaned = 0.000209929 Jy ! Component: 200 - total flux cleaned = 0.000193941 Jy ! Total flux subtracted in 200 components = 0.000193941 Jy ! Clean residual min=-0.000449 max=0.000490 Jy/beam ! Clean residual mean=-0.000000 rms=0.000119 Jy/beam ! Combined flux in latest and established models = 0.0165701 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 55 components and 0.0165701 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.015075Jy sigma=0.681366 ! Fit after self-cal, rms=0.015074Jy sigma=0.681269 ! Inverting map selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.015074Jy sigma=0.681269 ! Fit after self-cal, rms=0.015041Jy sigma=0.681218 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.492 mas, bmaj=3.835 mas, bpa=4.028 degrees ! Estimated noise=0.187058 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.00015e-05 Jy ! Component: 100 - total flux cleaned = 8.37596e-06 Jy ! Component: 150 - total flux cleaned = 3.6916e-06 Jy ! Component: 200 - total flux cleaned = 3.7472e-06 Jy ! Total flux subtracted in 200 components = 3.7472e-06 Jy ! Clean residual min=-0.000436 max=0.000483 Jy/beam ! Clean residual mean=0.000000 rms=0.000116 Jy/beam ! Combined flux in latest and established models = 0.0165739 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 60 components and 0.0165739 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.015037Jy sigma=0.681018 ! Fit after self-cal, rms=0.015038Jy sigma=0.680998 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 = 5.33319e-06 Jy ! Component: 100 - total flux cleaned = 1.31659e-06 Jy ! Component: 150 - total flux cleaned = -6.33336e-06 Jy ! Component: 200 - total flux cleaned = -9.89818e-06 Jy ! Total flux subtracted in 200 components = -9.89818e-06 Jy ! Clean residual min=-0.000431 max=0.000477 Jy/beam ! Clean residual mean=-0.000000 rms=0.000116 Jy/beam ! Combined flux in latest and established models = 0.016564 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 65 components and 0.016564 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.015036Jy sigma=0.680904 ! Fit after self-cal, rms=0.015036Jy sigma=0.680898 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.015036Jy sigma=0.680898 ! Fit after self-cal, rms=0.015049Jy sigma=0.680881 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.286 mas, bmaj=4.933 mas, bpa=-0.8171 degrees ! Estimated noise=0.246099 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 7.72435e-05 Jy ! Component: 100 - total flux cleaned = 5.84558e-05 Jy ! Component: 150 - total flux cleaned = 5.35922e-05 Jy ! Component: 200 - total flux cleaned = 4.93335e-05 Jy ! Total flux subtracted in 200 components = 4.93335e-05 Jy ! Clean residual min=-0.000486 max=0.000586 Jy/beam ! Clean residual mean=0.000000 rms=0.000139 Jy/beam ! Combined flux in latest and established models = 0.0166133 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 71 components and 0.0166133 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.015050Jy sigma=0.680900 ! Fit after self-cal, rms=0.015050Jy sigma=0.680874 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.60134e-05 Jy ! Component: 100 - total flux cleaned = 7.63588e-06 Jy ! Component: 150 - total flux cleaned = 4.19914e-06 Jy ! Component: 200 - total flux cleaned = -2.25541e-06 Jy ! Total flux subtracted in 200 components = -2.25541e-06 Jy ! Clean residual min=-0.000470 max=0.000582 Jy/beam ! Clean residual mean=0.000000 rms=0.000137 Jy/beam ! Combined flux in latest and established models = 0.016611 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 78 components and 0.016611 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.015051Jy sigma=0.680918 ! Fit after self-cal, rms=0.015051Jy sigma=0.680906 ! Inverting map ! Added new window around map position (6, -70.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000338481 Jy ! Component: 100 - total flux cleaned = 0.000350488 Jy ! Component: 150 - total flux cleaned = 0.000333506 Jy ! Component: 200 - total flux cleaned = 0.00032569 Jy ! Total flux subtracted in 200 components = 0.00032569 Jy ! Clean residual min=-0.000414 max=0.000438 Jy/beam ! Clean residual mean=0.000000 rms=0.000114 Jy/beam ! Combined flux in latest and established models = 0.0169367 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 103 components and 0.0169367 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.015041Jy sigma=0.680496 ! Fit after self-cal, rms=0.015040Jy sigma=0.680414 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=1.492 mas, bmaj=3.836 mas, bpa=3.99 degrees ! Estimated noise=0.187126 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.492 x 3.836 at 3.99 degrees (North through East) ! Clean map min=-0.00036665 max=0.015671 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "============== Clearing model and starting over ==========" ! ============== Clearing model and starting over ========== clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.201 mas, bmaj=3.564 mas, bpa=5.406 degrees ! Estimated noise=0.342244 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0118527 Jy ! Component: 100 - total flux cleaned = 0.0144892 Jy ! Component: 150 - total flux cleaned = 0.0151066 Jy ! Component: 200 - total flux cleaned = 0.0156507 Jy ! Total flux subtracted in 200 components = 0.0156507 Jy ! Clean residual min=-0.000758 max=0.000796 Jy/beam ! Clean residual mean=-0.000000 rms=0.000190 Jy/beam ! Combined flux in latest and established models = 0.0156507 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 0.0156507 Jy ! Inverting map and beam ! Estimated beam: bmin=1.492 mas, bmaj=3.836 mas, bpa=3.99 degrees ! Estimated noise=0.187126 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 = 0.000811374 Jy ! Component: 100 - total flux cleaned = 0.0012329 Jy ! Component: 150 - total flux cleaned = 0.00132519 Jy ! Component: 200 - total flux cleaned = 0.00129875 Jy ! Total flux subtracted in 200 components = 0.00129875 Jy ! Clean residual min=-0.000482 max=0.000501 Jy/beam ! Clean residual mean=0.000000 rms=0.000118 Jy/beam ! Combined flux in latest and established models = 0.0169494 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 43 components and 0.0169494 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.286 mas, bmaj=4.933 mas, bpa=-0.8171 degrees ! Estimated noise=0.246099 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 7.65674e-05 Jy ! Component: 100 - total flux cleaned = 0.000156886 Jy ! Component: 150 - total flux cleaned = 0.000192342 Jy ! Component: 200 - total flux cleaned = 0.000202368 Jy ! Total flux subtracted in 200 components = 0.000202368 Jy ! Clean residual min=-0.000477 max=0.000486 Jy/beam ! Clean residual mean=0.000000 rms=0.000124 Jy/beam ! Combined flux in latest and established models = 0.0171518 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 = -2.49917e-07 Jy ! Component: 100 - total flux cleaned = -6.19272e-07 Jy ! Component: 150 - total flux cleaned = -1.03521e-06 Jy ! Component: 200 - total flux cleaned = -1.51596e-05 Jy ! Total flux subtracted in 200 components = -1.51596e-05 Jy ! Clean residual min=-0.000459 max=0.000442 Jy/beam ! Clean residual mean=0.000000 rms=0.000114 Jy/beam ! Combined flux in latest and established models = 0.0171366 Jy ! Adding 60 model components to the UV plane model. ! The established model now contains 98 components and 0.0171366 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.492 mas, bmaj=3.836 mas, bpa=3.99 degrees ! Estimated noise=0.187126 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -5.72723e-05 Jy ! Component: 100 - total flux cleaned = -9.30455e-05 Jy ! Component: 150 - total flux cleaned = -0.000131874 Jy ! Component: 200 - total flux cleaned = -0.000145671 Jy ! Total flux subtracted in 200 components = -0.000145671 Jy ! Clean residual min=-0.000429 max=0.000429 Jy/beam ! Clean residual mean=0.000000 rms=0.000103 Jy/beam ! Combined flux in latest and established models = 0.016991 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 119 components and 0.0169909 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.015031Jy sigma=0.679999 ! Fit after self-cal, rms=0.015030Jy sigma=0.679853 wmodel J0237+2000_C_map.mod ! Writing 119 model components to file: J0237+2000_C_map.mod wobs J0237+2000_C_uvs.fits ! Writing UV FITS file: J0237+2000_C_uvs.fits wwins J0237+2000_C_map.win ! wwins: Wrote 3 windows to J0237+2000_C_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -3.84545e-05 Jy ! Component: 100 - total flux cleaned = -6.77368e-05 Jy ! Component: 150 - total flux cleaned = -4.07002e-05 Jy ! Component: 200 - total flux cleaned = 1.72234e-05 Jy ! Component: 250 - total flux cleaned = 3.57839e-05 Jy ! Component: 300 - total flux cleaned = 4.1717e-05 Jy ! Component: 350 - total flux cleaned = 3.02104e-05 Jy ! Component: 400 - total flux cleaned = 1.32306e-05 Jy ! Component: 450 - total flux cleaned = 7.62118e-06 Jy ! Component: 500 - total flux cleaned = -8.80104e-06 Jy ! Component: 550 - total flux cleaned = -1.95943e-05 Jy ! Component: 600 - total flux cleaned = -9.0408e-06 Jy ! Component: 650 - total flux cleaned = -2.45864e-05 Jy ! Component: 700 - total flux cleaned = -2.96912e-05 Jy ! Component: 750 - total flux cleaned = -4.97535e-05 Jy ! Component: 800 - total flux cleaned = -4.96622e-05 Jy ! Component: 850 - total flux cleaned = -5.92994e-05 Jy ! Component: 900 - total flux cleaned = -4.95994e-05 Jy ! Component: 950 - total flux cleaned = -4.96954e-05 Jy ! Component: 1000 - total flux cleaned = -5.44835e-05 Jy ! Component: 1050 - total flux cleaned = -6.8438e-05 Jy ! Component: 1100 - total flux cleaned = -6.38256e-05 Jy ! Component: 1150 - total flux cleaned = -6.83469e-05 Jy ! Component: 1200 - total flux cleaned = -7.28335e-05 Jy ! Component: 1250 - total flux cleaned = -9.48983e-05 Jy ! Component: 1300 - total flux cleaned = -9.92178e-05 Jy ! Component: 1350 - total flux cleaned = -0.000107808 Jy ! Component: 1400 - total flux cleaned = -0.000112024 Jy ! Component: 1450 - total flux cleaned = -0.000128897 Jy ! Component: 1500 - total flux cleaned = -0.000141312 Jy ! Component: 1550 - total flux cleaned = -0.000153715 Jy ! Component: 1600 - total flux cleaned = -0.000170114 Jy ! Component: 1650 - total flux cleaned = -0.000186372 Jy ! Component: 1700 - total flux cleaned = -0.000202408 Jy ! Component: 1750 - total flux cleaned = -0.000206485 Jy ! Component: 1800 - total flux cleaned = -0.000226156 Jy ! Component: 1850 - total flux cleaned = -0.000230021 Jy ! Component: 1900 - total flux cleaned = -0.000230076 Jy ! Component: 1950 - total flux cleaned = -0.000241546 Jy ! Component: 2000 - total flux cleaned = -0.00022639 Jy ! Component: 2050 - total flux cleaned = -0.000241434 Jy ! Component: 2100 - total flux cleaned = -0.000237712 Jy ! Component: 2150 - total flux cleaned = -0.000230323 Jy ! Component: 2200 - total flux cleaned = -0.000230345 Jy ! Component: 2250 - total flux cleaned = -0.000230312 Jy ! Component: 2300 - total flux cleaned = -0.000223128 Jy ! Component: 2350 - total flux cleaned = -0.000230278 Jy ! Component: 2400 - total flux cleaned = -0.000233843 Jy ! Component: 2450 - total flux cleaned = -0.000223237 Jy ! Component: 2500 - total flux cleaned = -0.000226746 Jy ! Component: 2550 - total flux cleaned = -0.000230209 Jy ! Component: 2600 - total flux cleaned = -0.000230186 Jy ! Component: 2650 - total flux cleaned = -0.000216462 Jy ! Component: 2700 - total flux cleaned = -0.000213067 Jy ! Component: 2750 - total flux cleaned = -0.000219798 Jy ! Component: 2800 - total flux cleaned = -0.000219793 Jy ! Component: 2850 - total flux cleaned = -0.000229772 Jy ! Component: 2900 - total flux cleaned = -0.000219852 Jy ! Component: 2950 - total flux cleaned = -0.000226377 Jy ! Component: 3000 - total flux cleaned = -0.000226338 Jy ! Component: 3050 - total flux cleaned = -0.000219846 Jy ! Component: 3100 - total flux cleaned = -0.000226313 Jy ! Component: 3150 - total flux cleaned = -0.000223066 Jy ! Component: 3200 - total flux cleaned = -0.000213502 Jy ! Component: 3250 - total flux cleaned = -0.000207183 Jy ! Component: 3300 - total flux cleaned = -0.000200849 Jy ! Component: 3350 - total flux cleaned = -0.000213353 Jy ! Component: 3400 - total flux cleaned = -0.000203974 Jy ! Component: 3450 - total flux cleaned = -0.00020087 Jy ! Component: 3500 - total flux cleaned = -0.000188551 Jy ! Component: 3550 - total flux cleaned = -0.000191628 Jy ! Component: 3600 - total flux cleaned = -0.000191609 Jy ! Component: 3650 - total flux cleaned = -0.00017649 Jy ! Component: 3700 - total flux cleaned = -0.000179517 Jy ! Component: 3750 - total flux cleaned = -0.000170539 Jy ! Component: 3800 - total flux cleaned = -0.000170545 Jy ! Component: 3850 - total flux cleaned = -0.00016758 Jy ! Component: 3900 - total flux cleaned = -0.000167556 Jy ! Component: 3950 - total flux cleaned = -0.000164615 Jy ! Component: 4000 - total flux cleaned = -0.000152924 Jy ! Component: 4050 - total flux cleaned = -0.0001646 Jy ! Total flux subtracted in 4096 components = -0.000170396 Jy ! Clean residual min=-0.000165 max=0.000184 Jy/beam ! Clean residual mean=0.000000 rms=0.000050 Jy/beam ! Combined flux in latest and established models = 0.0168206 Jy keep ! Adding 290 model components to the UV plane model. ! The established model now contains 408 components and 0.0168205 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J0237+2000_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.492 x 3.836 at 3.99 degrees (North through East) ! Clean map min=-0.00033907 max=0.015607 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J0237+2000_C_map.fits wmodel /vlbi/sb072/temp_maps//J0237+2000_C_map.mod ! Writing 408 model components to file: /vlbi/sb072/temp_maps//J0237+2000_C_map.mod wobs /vlbi/sb072/temp_maps//J0237+2000_C_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J0237+2000_C_uvs.fits wwins /vlbi/sb072/temp_maps//J0237+2000_C_map.win ! wwins: Wrote 4 windows to /vlbi/sb072/temp_maps//J0237+2000_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0156074 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 4.95358e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.95216 0.95216 1.90432 3.80864 7.61728 15.2346 30.4691 60.9382 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.015 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 315.073 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J0237+2000_C_dfm.log closed on Fri Dec 28 22:46:57 2018