! Started logfile: /vlbi/sb072/temp_maps//J1850+2825_C_dfm.log on Mon Nov 12 23:07:54 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//J1850+2825_C_uva.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J1850+2825_C_uva.fits ! AN table 1: 4 integrations on 21 of 21 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1850+2825 ! ! 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 672 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 J1850+2825_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=1.309889Jy sigma=61.326895 ! Fit after self-cal, rms=0.231906Jy sigma=10.866597 ! 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=3.142 mas, bmaj=4.997 mas, bpa=12.59 degrees ! Estimated noise=0.872269 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 = 0.598377 Jy ! Component: 100 - total flux cleaned = 0.729127 Jy ! Total flux subtracted in 100 components = 0.729127 Jy ! Clean residual min=-0.020276 max=0.039392 Jy/beam ! Clean residual mean=-0.000367 rms=0.007912 Jy/beam ! Combined flux in latest and established models = 0.729127 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.729127 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=0.096379Jy sigma=4.165550 ! Fit after self-cal, rms=0.096377Jy sigma=4.165419 ! 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=3.564 mas, bmaj=5.234 mas, bpa=10.86 degrees ! Estimated noise=0.634473 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 = 0.0524422 Jy ! Component: 100 - total flux cleaned = 0.0769482 Jy ! Component: 150 - total flux cleaned = 0.0930749 Jy ! Component: 200 - total flux cleaned = 0.104636 Jy ! Total flux subtracted in 200 components = 0.104636 Jy ! Clean residual min=-0.021373 max=0.022008 Jy/beam ! Clean residual mean=-0.000332 rms=0.005854 Jy/beam ! Combined flux in latest and established models = 0.833763 Jy ! Performing phase self-cal ! Adding 61 model components to the UV plane model. ! The established model now contains 63 components and 0.833763 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=0.061326Jy sigma=2.625938 ! Fit after self-cal, rms=0.061322Jy sigma=2.625791 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.564 x 5.234 at 10.86 degrees (North through East) ! Clean map min=-0.02117 max=0.77854 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.95 HN 1.05 LA 0.98 ! NL 0.98 OV 1.06 PT 0.94 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.97 HN 1.01 LA 0.97 ! NL 0.99 OV 1.07 PT 0.94 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.94 HN 1.05 LA 1.00 ! NL 1.09 OV 1.04 PT 0.94 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 0.96 HN 0.94 LA 0.91 ! NL 1.07 OV 1.02 PT 0.95 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.95 HN 1.02 LA 1.03 ! NL 1.04 OV 1.01 PT 0.95 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.92 HN 1.01 LA 1.03 ! NL 1.05 OV 0.98 PT 0.92 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.92 HN 1.02 LA 1.03 ! NL 1.03 OV 0.99 PT 0.92 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.91 HN 1.00 LA 1.03 ! NL 1.03 OV 0.99 PT 0.91 ! ! ! Fit before self-cal, rms=0.061322Jy sigma=2.625791 ! Fit after self-cal, rms=0.026472Jy sigma=1.042438 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.577 mas, bmaj=5.249 mas, bpa=9.88 degrees ! Estimated noise=0.630251 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 = -0.0015842 Jy ! Component: 100 - total flux cleaned = -0.00182573 Jy ! Component: 150 - total flux cleaned = -0.00201164 Jy ! Component: 200 - total flux cleaned = -0.00201197 Jy ! Total flux subtracted in 200 components = -0.00201197 Jy ! Clean residual min=-0.008266 max=0.004831 Jy/beam ! Clean residual mean=-0.000033 rms=0.001633 Jy/beam ! Combined flux in latest and established models = 0.831751 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 74 components and 0.831751 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=0.022884Jy sigma=0.885710 ! Fit after self-cal, rms=0.022900Jy sigma=0.885604 ! 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=0.022900Jy sigma=0.885604 ! Fit after self-cal, rms=0.022260Jy sigma=0.863559 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.583 mas, bmaj=5.249 mas, bpa=9.762 degrees ! Estimated noise=0.629222 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00356443 Jy ! Component: 100 - total flux cleaned = -0.00370685 Jy ! Component: 150 - total flux cleaned = -0.00370765 Jy ! Component: 200 - total flux cleaned = -0.00370498 Jy ! Total flux subtracted in 200 components = -0.00370498 Jy ! Clean residual min=-0.006308 max=0.004389 Jy/beam ! Clean residual mean=-0.000023 rms=0.001346 Jy/beam ! Combined flux in latest and established models = 0.828046 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 78 components and 0.828046 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=0.020719Jy sigma=0.797355 ! Fit after self-cal, rms=0.020725Jy sigma=0.797308 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.29609e-06 Jy ! Component: 100 - total flux cleaned = 4.87138e-07 Jy ! Component: 150 - total flux cleaned = 5.23859e-05 Jy ! Component: 200 - total flux cleaned = 0.000146235 Jy ! Total flux subtracted in 200 components = 0.000146235 Jy ! Clean residual min=-0.005821 max=0.004308 Jy/beam ! Clean residual mean=-0.000022 rms=0.001306 Jy/beam ! Combined flux in latest and established models = 0.828192 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 81 components and 0.828192 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=0.020396Jy sigma=0.782264 ! Fit after self-cal, rms=0.020396Jy sigma=0.782225 ! 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=0.020396Jy sigma=0.782225 ! Fit after self-cal, rms=0.019885Jy sigma=0.756816 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.592 mas, bmaj=5.25 mas, bpa=9.64 degrees ! Estimated noise=0.629052 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00308376 Jy ! Component: 100 - total flux cleaned = -0.00381685 Jy ! Component: 150 - total flux cleaned = -0.00392334 Jy ! Component: 200 - total flux cleaned = -0.00401748 Jy ! Total flux subtracted in 200 components = -0.00401748 Jy ! Clean residual min=-0.004663 max=0.003869 Jy/beam ! Clean residual mean=-0.000013 rms=0.001119 Jy/beam ! Combined flux in latest and established models = 0.824175 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 93 components and 0.824175 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=0.019268Jy sigma=0.731933 ! Fit after self-cal, rms=0.019270Jy sigma=0.731893 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 = 7.02825e-06 Jy ! Component: 100 - total flux cleaned = 6.94283e-06 Jy ! Component: 150 - total flux cleaned = -3.07156e-05 Jy ! Component: 200 - total flux cleaned = -3.00267e-05 Jy ! Total flux subtracted in 200 components = -3.00267e-05 Jy ! Clean residual min=-0.004413 max=0.003750 Jy/beam ! Clean residual mean=-0.000013 rms=0.001098 Jy/beam ! Combined flux in latest and established models = 0.824145 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 94 components and 0.824145 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=0.019143Jy sigma=0.724535 ! Fit after self-cal, rms=0.019142Jy sigma=0.724475 ! 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=0.019142Jy sigma=0.724475 ! Fit after self-cal, rms=0.018970Jy sigma=0.710539 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.542 mas, bmaj=5.646 mas, bpa=4.826 degrees ! Estimated noise=0.65447 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00200884 Jy ! Component: 100 - total flux cleaned = -0.00309598 Jy ! Component: 150 - total flux cleaned = -0.00352155 Jy ! Component: 200 - total flux cleaned = -0.00372276 Jy ! Total flux subtracted in 200 components = -0.00372276 Jy ! Clean residual min=-0.004241 max=0.003770 Jy/beam ! Clean residual mean=-0.000015 rms=0.001106 Jy/beam ! Combined flux in latest and established models = 0.820422 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 101 components and 0.820422 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=0.018626Jy sigma=0.697873 ! Fit after self-cal, rms=0.018621Jy sigma=0.697834 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 = -9.06629e-05 Jy ! Component: 100 - total flux cleaned = -0.000175551 Jy ! Component: 150 - total flux cleaned = -0.000194582 Jy ! Component: 200 - total flux cleaned = -0.00021286 Jy ! Total flux subtracted in 200 components = -0.00021286 Jy ! Clean residual min=-0.004178 max=0.003760 Jy/beam ! Clean residual mean=-0.000016 rms=0.001103 Jy/beam ! Combined flux in latest and established models = 0.820209 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 106 components and 0.820209 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=0.018554Jy sigma=0.694519 ! Fit after self-cal, rms=0.018554Jy sigma=0.694457 ! 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=3.599 mas, bmaj=5.251 mas, bpa=9.567 degrees ! Estimated noise=0.628923 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.599 x 5.251 at 9.567 degrees (North through East) ! Clean map min=-0.0039863 max=0.77184 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. ! ! Fit before self-cal, rms=0.018554Jy sigma=0.694457 ! Fit after self-cal, rms=0.017794Jy sigma=0.648586 ! Inverting map and beam ! Estimated beam: bmin=3.603 mas, bmaj=5.253 mas, bpa=9.527 degrees ! Estimated noise=0.628661 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00193267 Jy ! Component: 100 - total flux cleaned = -0.00258572 Jy ! Component: 150 - total flux cleaned = -0.00284109 Jy ! Component: 200 - total flux cleaned = -0.00284081 Jy ! Total flux subtracted in 200 components = -0.00284081 Jy ! Clean residual min=-0.003665 max=0.003242 Jy/beam ! Clean residual mean=-0.000008 rms=0.000906 Jy/beam ! Combined flux in latest and established models = 0.817368 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 112 components and 0.817368 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=0.017522Jy sigma=0.636964 ! Fit after self-cal, rms=0.017529Jy sigma=0.636904 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -5.02842e-05 Jy ! Component: 100 - total flux cleaned = -5.04112e-05 Jy ! Component: 150 - total flux cleaned = -0.000103339 Jy ! Component: 200 - total flux cleaned = -0.000152465 Jy ! Total flux subtracted in 200 components = -0.000152465 Jy ! Clean residual min=-0.003581 max=0.003206 Jy/beam ! Clean residual mean=-0.000009 rms=0.000895 Jy/beam ! Combined flux in latest and established models = 0.817216 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 112 components and 0.817216 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=0.017463Jy sigma=0.632897 ! Fit after self-cal, rms=0.017467Jy sigma=0.632854 ! 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. ! ! Fit before self-cal, rms=0.017467Jy sigma=0.632854 ! Fit after self-cal, rms=0.017384Jy sigma=0.626351 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=3.165 mas, bmaj=5.002 mas, bpa=11.27 degrees ! Estimated noise=0.87352 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.599249 Jy ! Component: 100 - total flux cleaned = 0.729974 Jy ! Component: 150 - total flux cleaned = 0.765372 Jy ! Component: 200 - total flux cleaned = 0.782025 Jy ! Total flux subtracted in 200 components = 0.782025 Jy ! Clean residual min=-0.005867 max=0.008654 Jy/beam ! Clean residual mean=-0.000073 rms=0.001999 Jy/beam ! Combined flux in latest and established models = 0.782025 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 0.782025 Jy ! Inverting map and beam ! Estimated beam: bmin=3.608 mas, bmaj=5.255 mas, bpa=9.481 degrees ! Estimated noise=0.628532 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) ! Added new window around map position (-1.2, 23.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0109128 Jy ! Component: 100 - total flux cleaned = 0.0169858 Jy ! Component: 150 - total flux cleaned = 0.0210123 Jy ! Component: 200 - total flux cleaned = 0.0239322 Jy ! Total flux subtracted in 200 components = 0.0239322 Jy ! Clean residual min=-0.003477 max=0.003068 Jy/beam ! Clean residual mean=-0.000046 rms=0.000950 Jy/beam ! Combined flux in latest and established models = 0.805957 Jy ! Adding 63 model components to the UV plane model. ! The established model now contains 77 components and 0.805957 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=4.553 mas, bmaj=5.652 mas, bpa=4.681 degrees ! Estimated noise=0.653142 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0027411 Jy ! Component: 100 - total flux cleaned = 0.00429689 Jy ! Component: 150 - total flux cleaned = 0.00506639 Jy ! Component: 200 - total flux cleaned = 0.005595 Jy ! Total flux subtracted in 200 components = 0.005595 Jy ! Clean residual min=-0.003145 max=0.002764 Jy/beam ! Clean residual mean=-0.000032 rms=0.000922 Jy/beam ! Combined flux in latest and established models = 0.811552 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 = 0.00049165 Jy ! Component: 100 - total flux cleaned = 0.000919654 Jy ! Component: 150 - total flux cleaned = 0.00132715 Jy ! Component: 200 - total flux cleaned = 0.00165381 Jy ! Total flux subtracted in 200 components = 0.00165381 Jy ! Clean residual min=-0.002924 max=0.002835 Jy/beam ! Clean residual mean=-0.000022 rms=0.000856 Jy/beam ! Combined flux in latest and established models = 0.813206 Jy ! Adding 68 model components to the UV plane model. ! The established model now contains 137 components and 0.813206 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.608 mas, bmaj=5.255 mas, bpa=9.481 degrees ! Estimated noise=0.628532 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 7.18235e-05 Jy ! Component: 100 - total flux cleaned = 0.000326306 Jy ! Component: 150 - total flux cleaned = 0.000546214 Jy ! Component: 200 - total flux cleaned = 0.000685488 Jy ! Total flux subtracted in 200 components = 0.000685488 Jy ! Clean residual min=-0.002585 max=0.002471 Jy/beam ! Clean residual mean=-0.000013 rms=0.000691 Jy/beam ! Combined flux in latest and established models = 0.813892 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 158 components and 0.813892 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=0.016399Jy sigma=0.585351 ! Fit after self-cal, rms=0.016416Jy sigma=0.580081 wmodel J1850+2825_C_map.mod ! Writing 158 model components to file: J1850+2825_C_map.mod wobs J1850+2825_C_uvs.fits ! Writing UV FITS file: J1850+2825_C_uvs.fits wwins J1850+2825_C_map.win ! wwins: Wrote 2 windows to J1850+2825_C_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000757271 Jy ! Component: 100 - total flux cleaned = -0.000941052 Jy ! Component: 150 - total flux cleaned = -0.000878742 Jy ! Component: 200 - total flux cleaned = -0.00060535 Jy ! Component: 250 - total flux cleaned = -0.000406997 Jy ! Component: 300 - total flux cleaned = -0.00021987 Jy ! Component: 350 - total flux cleaned = -1.85278e-05 Jy ! Component: 400 - total flux cleaned = 0.000196307 Jy ! Component: 450 - total flux cleaned = 0.000399893 Jy ! Component: 500 - total flux cleaned = 0.00059187 Jy ! Component: 550 - total flux cleaned = 0.000672501 Jy ! Component: 600 - total flux cleaned = 0.000789248 Jy ! Component: 650 - total flux cleaned = 0.000863412 Jy ! Component: 700 - total flux cleaned = 0.000916633 Jy ! Component: 750 - total flux cleaned = 0.000967269 Jy ! Component: 800 - total flux cleaned = 0.000983704 Jy ! Component: 850 - total flux cleaned = 0.000984078 Jy ! Component: 900 - total flux cleaned = 0.000984327 Jy ! Component: 950 - total flux cleaned = 0.000999053 Jy ! Component: 1000 - total flux cleaned = 0.000985499 Jy ! Component: 1050 - total flux cleaned = 0.00102649 Jy ! Component: 1100 - total flux cleaned = 0.00107908 Jy ! Component: 1150 - total flux cleaned = 0.00109169 Jy ! Component: 1200 - total flux cleaned = 0.00110445 Jy ! Component: 1250 - total flux cleaned = 0.00112863 Jy ! Component: 1300 - total flux cleaned = 0.00117579 Jy ! Component: 1350 - total flux cleaned = 0.001222 Jy ! Component: 1400 - total flux cleaned = 0.00126704 Jy ! Component: 1450 - total flux cleaned = 0.00128914 Jy ! Component: 1500 - total flux cleaned = 0.00132166 Jy ! Component: 1550 - total flux cleaned = 0.0013747 Jy ! Component: 1600 - total flux cleaned = 0.00139543 Jy ! Component: 1650 - total flux cleaned = 0.00142613 Jy ! Component: 1700 - total flux cleaned = 0.00146613 Jy ! Component: 1750 - total flux cleaned = 0.00148583 Jy ! Component: 1800 - total flux cleaned = 0.00150523 Jy ! Component: 1850 - total flux cleaned = 0.00152437 Jy ! Component: 1900 - total flux cleaned = 0.00155259 Jy ! Component: 1950 - total flux cleaned = 0.00155255 Jy ! Component: 2000 - total flux cleaned = 0.00158017 Jy ! Component: 2050 - total flux cleaned = 0.00159827 Jy ! Component: 2100 - total flux cleaned = 0.00160716 Jy ! Component: 2150 - total flux cleaned = 0.00164229 Jy ! Component: 2200 - total flux cleaned = 0.00165097 Jy ! Component: 2250 - total flux cleaned = 0.00167679 Jy ! Component: 2300 - total flux cleaned = 0.00169379 Jy ! Component: 2350 - total flux cleaned = 0.00171917 Jy ! Component: 2400 - total flux cleaned = 0.00175262 Jy ! Component: 2450 - total flux cleaned = 0.00177756 Jy ! Component: 2500 - total flux cleaned = 0.0018187 Jy ! Component: 2550 - total flux cleaned = 0.0018431 Jy ! Component: 2600 - total flux cleaned = 0.00188351 Jy ! Component: 2650 - total flux cleaned = 0.00189954 Jy ! Component: 2700 - total flux cleaned = 0.00193933 Jy ! Component: 2750 - total flux cleaned = 0.00194717 Jy ! Component: 2800 - total flux cleaned = 0.00196293 Jy ! Component: 2850 - total flux cleaned = 0.00200197 Jy ! Component: 2900 - total flux cleaned = 0.00200188 Jy ! Component: 2950 - total flux cleaned = 0.00200183 Jy ! Component: 3000 - total flux cleaned = 0.00202483 Jy ! Component: 3050 - total flux cleaned = 0.0020324 Jy ! Component: 3100 - total flux cleaned = 0.00204754 Jy ! Component: 3150 - total flux cleaned = 0.00206264 Jy ! Component: 3200 - total flux cleaned = 0.00208518 Jy ! Component: 3250 - total flux cleaned = 0.00210012 Jy ! Component: 3300 - total flux cleaned = 0.00211505 Jy ! Component: 3350 - total flux cleaned = 0.00212247 Jy ! Component: 3400 - total flux cleaned = 0.0021447 Jy ! Component: 3450 - total flux cleaned = 0.00215945 Jy ! Component: 3500 - total flux cleaned = 0.00218887 Jy ! Component: 3550 - total flux cleaned = 0.00218891 Jy ! Component: 3600 - total flux cleaned = 0.00221082 Jy ! Component: 3650 - total flux cleaned = 0.00222542 Jy ! Component: 3700 - total flux cleaned = 0.0022254 Jy ! Component: 3750 - total flux cleaned = 0.00223992 Jy ! Component: 3800 - total flux cleaned = 0.00225446 Jy ! Component: 3850 - total flux cleaned = 0.00226167 Jy ! Component: 3900 - total flux cleaned = 0.0022617 Jy ! Component: 3950 - total flux cleaned = 0.0022833 Jy ! Component: 4000 - total flux cleaned = 0.00227614 Jy ! Component: 4050 - total flux cleaned = 0.00228332 Jy ! Total flux subtracted in 4096 components = 0.00229048 Jy ! Clean residual min=-0.000389 max=0.000392 Jy/beam ! Clean residual mean=0.000002 rms=0.000130 Jy/beam ! Combined flux in latest and established models = 0.816182 Jy keep ! Adding 332 model components to the UV plane model. ! The established model now contains 490 components and 0.816182 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J1850+2825_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.608 x 5.255 at 9.481 degrees (North through East) ! Clean map min=-0.0020155 max=0.77149 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J1850+2825_C_map.fits wmodel /vlbi/sb072/temp_maps//J1850+2825_C_map.mod ! Writing 490 model components to file: /vlbi/sb072/temp_maps//J1850+2825_C_map.mod wobs /vlbi/sb072/temp_maps//J1850+2825_C_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J1850+2825_C_uvs.fits wwins /vlbi/sb072/temp_maps//J1850+2825_C_map.win ! wwins: Wrote 3 windows to /vlbi/sb072/temp_maps//J1850+2825_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.771485 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000129267 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0502668 0.0502668 0.100534 0.201067 0.402135 0.804269 1.60854 3.21708 6.43416 12.8683 25.7366 51.4732 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.771 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 5968.15 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J1850+2825_C_dfm.log closed on Mon Nov 12 23:07:58 2018