! Started logfile: /vlbi/sb072/temp_maps//J1620+4901_X_dfm.log on Sat Dec 15 22:24:54 2018 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 7.39200 obs /vlbi/sb072/temp_maps//J1620+4901_X_uva.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J1620+4901_X_uva.fits ! AN table 1: 7 integrations on 36 of 36 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1620+4901 ! ! 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 7.392e+09 3.2e+07 1 3.2e+07 ! 02 2 7.424e+09 3.2e+07 1 3.2e+07 ! 03 3 7.456e+09 3.2e+07 1 3.2e+07 ! 04 4 7.552e+09 3.2e+07 1 3.2e+07 ! 05 5 7.744e+09 3.2e+07 1 3.2e+07 ! 06 6 7.776e+09 3.2e+07 1 3.2e+07 ! 07 7 7.808e+09 3.2e+07 1 3.2e+07 ! 08 8 7.84e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 94 lines of history. ! ! Reading 2016 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 = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/opt64/bin/pima_mupet_01.dfm J1620+4901_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. ! ! Fit before self-cal, rms=1.023054Jy sigma=39.845908 ! Fit after self-cal, rms=0.806546Jy sigma=31.412785 ! 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=0.7206 mas, bmaj=3.226 mas, bpa=-19.27 degrees ! Estimated noise=0.669853 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 = 0.138459 Jy ! Component: 100 - total flux cleaned = 0.178761 Jy ! Total flux subtracted in 100 components = 0.178761 Jy ! Clean residual min=-0.010147 max=0.018564 Jy/beam ! Clean residual mean=-0.000026 rms=0.002426 Jy/beam ! Combined flux in latest and established models = 0.178761 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.178761 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=0.052839Jy sigma=1.897495 ! Fit after self-cal, rms=0.052603Jy sigma=1.890713 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0213741 Jy ! Component: 100 - total flux cleaned = 0.033136 Jy ! Total flux subtracted in 100 components = 0.033136 Jy ! Clean residual min=-0.006760 max=0.007645 Jy/beam ! Clean residual mean=-0.000015 rms=0.001543 Jy/beam ! Combined flux in latest and established models = 0.211897 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 17 components and 0.211897 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=0.037565Jy sigma=1.259216 ! Fit after self-cal, rms=0.037270Jy sigma=1.249361 ! 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=0.9551 mas, bmaj=3.178 mas, bpa=-18.57 degrees ! Estimated noise=0.431995 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 = 0.0150833 Jy ! Component: 100 - total flux cleaned = 0.0240103 Jy ! Component: 150 - total flux cleaned = 0.0296877 Jy ! Component: 200 - total flux cleaned = 0.0317405 Jy ! Total flux subtracted in 200 components = 0.0317405 Jy ! Clean residual min=-0.006262 max=0.008939 Jy/beam ! Clean residual mean=-0.000016 rms=0.001705 Jy/beam ! Combined flux in latest and established models = 0.243637 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 36 components and 0.243637 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=0.029927Jy sigma=0.927426 ! Fit after self-cal, rms=0.029753Jy sigma=0.920503 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9551 x 3.178 at -18.57 degrees (North through East) ! Clean map min=-0.0054034 max=0.19117 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.01 KP 1.00 LA 1.05 ! MK 0.98 NL 1.05 OV 0.93 PT 0.96 ! SC 0.99 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.02 KP 1.00 LA 1.03 ! MK 1.00 NL 1.06 OV 0.93 PT 0.96 ! SC 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.03 KP 0.99 LA 1.05 ! MK 0.99 NL 1.07 OV 0.93 PT 0.95 ! SC 1.00 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.02 KP 1.00 LA 1.03 ! MK 1.01 NL 1.06 OV 0.93 PT 0.95 ! SC 1.01 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.02 KP 1.02 LA 1.04 ! MK 1.03 NL 1.08 OV 0.92 PT 0.95 ! SC 1.00 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.01 KP 1.02 LA 1.04 ! MK 1.02 NL 1.06 OV 0.92 PT 0.95 ! SC 1.02 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.04 KP 1.01 LA 1.03 ! MK 1.03 NL 1.05 OV 0.93 PT 0.95 ! SC 1.01 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.03 KP 1.02 LA 1.03 ! MK 1.03 NL 1.05 OV 0.92 PT 0.95 ! SC 1.01 ! ! ! Fit before self-cal, rms=0.029753Jy sigma=0.920503 ! Fit after self-cal, rms=0.026617Jy sigma=0.786726 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9618 mas, bmaj=3.154 mas, bpa=-18.33 degrees ! Estimated noise=0.428778 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 (1, 9.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00789362 Jy ! Component: 100 - total flux cleaned = 0.0118929 Jy ! Component: 150 - total flux cleaned = 0.0145527 Jy ! Component: 200 - total flux cleaned = 0.0165468 Jy ! Total flux subtracted in 200 components = 0.0165468 Jy ! Clean residual min=-0.001973 max=0.002481 Jy/beam ! Clean residual mean=-0.000009 rms=0.000633 Jy/beam ! Combined flux in latest and established models = 0.260184 Jy ! Performing phase self-cal ! Adding 43 model components to the UV plane model. ! The established model now contains 79 components and 0.260184 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=0.024116Jy sigma=0.655012 ! Fit after self-cal, rms=0.024077Jy sigma=0.653582 ! 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=0.024077Jy sigma=0.653582 ! Fit after self-cal, rms=0.023866Jy sigma=0.649827 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9631 mas, bmaj=3.155 mas, bpa=-18.33 degrees ! Estimated noise=0.426099 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0013405 Jy ! Component: 100 - total flux cleaned = 0.00209471 Jy ! Component: 150 - total flux cleaned = 0.0027012 Jy ! Component: 200 - total flux cleaned = 0.0032582 Jy ! Total flux subtracted in 200 components = 0.0032582 Jy ! Clean residual min=-0.001774 max=0.002344 Jy/beam ! Clean residual mean=-0.000006 rms=0.000543 Jy/beam ! Combined flux in latest and established models = 0.263442 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 95 components and 0.263443 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=0.023638Jy sigma=0.637780 ! Fit after self-cal, rms=0.023620Jy sigma=0.637063 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 (-4.8, -34.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00218991 Jy ! Component: 100 - total flux cleaned = 0.00350588 Jy ! Component: 150 - total flux cleaned = 0.00445403 Jy ! Component: 200 - total flux cleaned = 0.00505052 Jy ! Total flux subtracted in 200 components = 0.00505052 Jy ! Clean residual min=-0.001463 max=0.002335 Jy/beam ! Clean residual mean=-0.000003 rms=0.000429 Jy/beam ! Combined flux in latest and established models = 0.268493 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 128 components and 0.268493 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=0.023401Jy sigma=0.622540 ! Fit after self-cal, rms=0.023395Jy sigma=0.622249 ! Inverting map ! Added new window around map position (-5.8, -5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00206253 Jy ! Component: 100 - total flux cleaned = 0.00272597 Jy ! Component: 150 - total flux cleaned = 0.00319463 Jy ! Component: 200 - total flux cleaned = 0.0035374 Jy ! Total flux subtracted in 200 components = 0.0035374 Jy ! Clean residual min=-0.001357 max=0.001209 Jy/beam ! Clean residual mean=-0.000003 rms=0.000331 Jy/beam ! Combined flux in latest and established models = 0.272031 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 161 components and 0.272031 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=0.023196Jy sigma=0.610707 ! Fit after self-cal, rms=0.023188Jy sigma=0.610373 ! 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=0.023188Jy sigma=0.610373 ! Fit after self-cal, rms=0.023130Jy sigma=0.609255 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9633 mas, bmaj=3.156 mas, bpa=-18.34 degrees ! Estimated noise=0.425342 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000811133 Jy ! Component: 100 - total flux cleaned = 0.00127435 Jy ! Component: 150 - total flux cleaned = 0.00161062 Jy ! Component: 200 - total flux cleaned = 0.00189097 Jy ! Total flux subtracted in 200 components = 0.00189097 Jy ! Clean residual min=-0.001253 max=0.001165 Jy/beam ! Clean residual mean=-0.000002 rms=0.000291 Jy/beam ! Combined flux in latest and established models = 0.273922 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 183 components and 0.273922 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=0.023083Jy sigma=0.606162 ! Fit after self-cal, rms=0.023080Jy sigma=0.606039 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 = 0.000237172 Jy ! Component: 100 - total flux cleaned = 0.00042915 Jy ! Component: 150 - total flux cleaned = 0.000569695 Jy ! Component: 200 - total flux cleaned = 0.000651554 Jy ! Total flux subtracted in 200 components = 0.000651554 Jy ! Clean residual min=-0.001207 max=0.001112 Jy/beam ! Clean residual mean=-0.000002 rms=0.000277 Jy/beam ! Combined flux in latest and established models = 0.274573 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 200 components and 0.274573 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=0.023058Jy sigma=0.604494 ! Fit after self-cal, rms=0.023056Jy sigma=0.604445 ! 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. ! ! Fit before self-cal, rms=0.023056Jy sigma=0.604445 ! Fit after self-cal, rms=0.023043Jy sigma=0.604173 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.254 mas, bmaj=3.282 mas, bpa=-12.71 degrees ! Estimated noise=0.506841 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000673125 Jy ! Component: 100 - total flux cleaned = 0.00113756 Jy ! Component: 150 - total flux cleaned = 0.00140402 Jy ! Component: 200 - total flux cleaned = 0.00152989 Jy ! Total flux subtracted in 200 components = 0.00152989 Jy ! Clean residual min=-0.001182 max=0.001084 Jy/beam ! Clean residual mean=-0.000004 rms=0.000297 Jy/beam ! Combined flux in latest and established models = 0.276103 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 215 components and 0.276103 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=0.023034Jy sigma=0.603263 ! Fit after self-cal, rms=0.023034Jy sigma=0.603215 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 = 0.000206583 Jy ! Component: 100 - total flux cleaned = 0.000284303 Jy ! Component: 150 - total flux cleaned = 0.000355273 Jy ! Component: 200 - total flux cleaned = 0.00042142 Jy ! Total flux subtracted in 200 components = 0.00042142 Jy ! Clean residual min=-0.001103 max=0.001037 Jy/beam ! Clean residual mean=-0.000003 rms=0.000279 Jy/beam ! Combined flux in latest and established models = 0.276524 Jy ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 238 components and 0.276524 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=0.023030Jy sigma=0.602819 ! Fit after self-cal, rms=0.023029Jy sigma=0.602803 ! 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=0.9632 mas, bmaj=3.156 mas, bpa=-18.34 degrees ! Estimated noise=0.425177 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9632 x 3.156 at -18.34 degrees (North through East) ! Clean map min=-0.0010662 max=0.1897 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=0.725 mas, bmaj=3.192 mas, bpa=-19.16 degrees ! Estimated noise=0.664859 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.137328 Jy ! Component: 100 - total flux cleaned = 0.178188 Jy ! Component: 150 - total flux cleaned = 0.199039 Jy ! Component: 200 - total flux cleaned = 0.210656 Jy ! Total flux subtracted in 200 components = 0.210656 Jy ! Clean residual min=-0.004926 max=0.006467 Jy/beam ! Clean residual mean=-0.000013 rms=0.001224 Jy/beam ! Combined flux in latest and established models = 0.210656 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 8 model components to the UV plane model. ! The established model now contains 8 components and 0.210656 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9632 mas, bmaj=3.156 mas, bpa=-18.34 degrees ! Estimated noise=0.425177 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 = 0.0132462 Jy ! Component: 100 - total flux cleaned = 0.021774 Jy ! Component: 150 - total flux cleaned = 0.0279774 Jy ! Component: 200 - total flux cleaned = 0.0327291 Jy ! Total flux subtracted in 200 components = 0.0327291 Jy ! Clean residual min=-0.002709 max=0.003749 Jy/beam ! Clean residual mean=-0.000019 rms=0.000952 Jy/beam ! Combined flux in latest and established models = 0.243386 Jy ! Adding 48 model components to the UV plane model. ! The established model now contains 48 components and 0.243386 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=2.254 mas, bmaj=3.282 mas, bpa=-12.71 degrees ! Estimated noise=0.506841 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00607885 Jy ! Component: 100 - total flux cleaned = 0.0103039 Jy ! Component: 150 - total flux cleaned = 0.0136455 Jy ! Component: 200 - total flux cleaned = 0.0164284 Jy ! Total flux subtracted in 200 components = 0.0164284 Jy ! Clean residual min=-0.002381 max=0.002335 Jy/beam ! Clean residual mean=-0.000017 rms=0.000813 Jy/beam ! Combined flux in latest and established models = 0.259814 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 = 0.00233249 Jy ! Component: 100 - total flux cleaned = 0.00430579 Jy ! Component: 150 - total flux cleaned = 0.00599016 Jy ! Component: 200 - total flux cleaned = 0.00743378 Jy ! Total flux subtracted in 200 components = 0.00743378 Jy ! Clean residual min=-0.001594 max=0.001545 Jy/beam ! Clean residual mean=-0.000010 rms=0.000520 Jy/beam ! Combined flux in latest and established models = 0.267248 Jy ! Adding 78 model components to the UV plane model. ! The established model now contains 120 components and 0.267248 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9632 mas, bmaj=3.156 mas, bpa=-18.34 degrees ! Estimated noise=0.425177 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000634283 Jy ! Component: 100 - total flux cleaned = 0.00139095 Jy ! Component: 150 - total flux cleaned = 0.00201127 Jy ! Component: 200 - total flux cleaned = 0.00252588 Jy ! Total flux subtracted in 200 components = 0.00252588 Jy ! Clean residual min=-0.001366 max=0.001389 Jy/beam ! Clean residual mean=-0.000004 rms=0.000336 Jy/beam ! Combined flux in latest and established models = 0.269774 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 143 components and 0.269774 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=0.023237Jy sigma=0.615221 ! Fit after self-cal, rms=0.023210Jy sigma=0.613772 wmodel J1620+4901_X_map.mod ! Writing 143 model components to file: J1620+4901_X_map.mod wobs J1620+4901_X_uvs.fits ! Writing UV FITS file: J1620+4901_X_uvs.fits wwins J1620+4901_X_map.win ! wwins: Wrote 4 windows to J1620+4901_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 = -0.000276182 Jy ! Component: 100 - total flux cleaned = -0.000499693 Jy ! Component: 150 - total flux cleaned = -0.000624438 Jy ! Component: 200 - total flux cleaned = -0.000663513 Jy ! Component: 250 - total flux cleaned = -0.000701121 Jy ! Component: 300 - total flux cleaned = -0.000736867 Jy ! Component: 350 - total flux cleaned = -0.000719342 Jy ! Component: 400 - total flux cleaned = -0.000769683 Jy ! Component: 450 - total flux cleaned = -0.000769053 Jy ! Component: 500 - total flux cleaned = -0.000721061 Jy ! Component: 550 - total flux cleaned = -0.000705842 Jy ! Component: 600 - total flux cleaned = -0.000705843 Jy ! Component: 650 - total flux cleaned = -0.000631835 Jy ! Component: 700 - total flux cleaned = -0.000573888 Jy ! Component: 750 - total flux cleaned = -0.00053109 Jy ! Component: 800 - total flux cleaned = -0.000475407 Jy ! Component: 850 - total flux cleaned = -0.00043417 Jy ! Component: 900 - total flux cleaned = -0.000353858 Jy ! Component: 950 - total flux cleaned = -0.000314327 Jy ! Component: 1000 - total flux cleaned = -0.000249656 Jy ! Component: 1050 - total flux cleaned = -0.000199148 Jy ! Component: 1100 - total flux cleaned = -0.000198978 Jy ! Component: 1150 - total flux cleaned = -0.000199117 Jy ! Component: 1200 - total flux cleaned = -0.000175234 Jy ! Component: 1250 - total flux cleaned = -0.000175074 Jy ! Component: 1300 - total flux cleaned = -0.000163571 Jy ! Component: 1350 - total flux cleaned = -0.000152054 Jy ! Component: 1400 - total flux cleaned = -0.000163614 Jy ! Component: 1450 - total flux cleaned = -0.000163624 Jy ! Component: 1500 - total flux cleaned = -0.000196804 Jy ! Component: 1550 - total flux cleaned = -0.000207778 Jy ! Component: 1600 - total flux cleaned = -0.000261665 Jy ! Component: 1650 - total flux cleaned = -0.000272214 Jy ! Component: 1700 - total flux cleaned = -0.000314273 Jy ! Component: 1750 - total flux cleaned = -0.000324728 Jy ! Component: 1800 - total flux cleaned = -0.000366036 Jy ! Component: 1850 - total flux cleaned = -0.000386518 Jy ! Component: 1900 - total flux cleaned = -0.000426763 Jy ! Component: 1950 - total flux cleaned = -0.00045677 Jy ! Component: 2000 - total flux cleaned = -0.000476504 Jy ! Component: 2050 - total flux cleaned = -0.000515541 Jy ! Component: 2100 - total flux cleaned = -0.000505837 Jy ! Component: 2150 - total flux cleaned = -0.000553608 Jy ! Component: 2200 - total flux cleaned = -0.000544114 Jy ! Component: 2250 - total flux cleaned = -0.000581747 Jy ! Component: 2300 - total flux cleaned = -0.000600284 Jy ! Component: 2350 - total flux cleaned = -0.000609477 Jy ! Component: 2400 - total flux cleaned = -0.000627759 Jy ! Component: 2450 - total flux cleaned = -0.000663963 Jy ! Component: 2500 - total flux cleaned = -0.000672887 Jy ! Component: 2550 - total flux cleaned = -0.000655057 Jy ! Component: 2600 - total flux cleaned = -0.000681587 Jy ! Component: 2650 - total flux cleaned = -0.000716565 Jy ! Component: 2700 - total flux cleaned = -0.000725201 Jy ! Component: 2750 - total flux cleaned = -0.000751156 Jy ! Component: 2800 - total flux cleaned = -0.000725512 Jy ! Component: 2850 - total flux cleaned = -0.000759674 Jy ! Component: 2900 - total flux cleaned = -0.000801838 Jy ! Component: 2950 - total flux cleaned = -0.000801903 Jy ! Component: 3000 - total flux cleaned = -0.000826849 Jy ! Component: 3050 - total flux cleaned = -0.000826916 Jy ! Component: 3100 - total flux cleaned = -0.000818653 Jy ! Component: 3150 - total flux cleaned = -0.000843103 Jy ! Component: 3200 - total flux cleaned = -0.000826912 Jy ! Component: 3250 - total flux cleaned = -0.000810846 Jy ! Component: 3300 - total flux cleaned = -0.000834917 Jy ! Component: 3350 - total flux cleaned = -0.000803092 Jy ! Component: 3400 - total flux cleaned = -0.000818993 Jy ! Component: 3450 - total flux cleaned = -0.000858139 Jy ! Component: 3500 - total flux cleaned = -0.000826984 Jy ! Component: 3550 - total flux cleaned = -0.000865725 Jy ! Component: 3600 - total flux cleaned = -0.000842695 Jy ! Component: 3650 - total flux cleaned = -0.000850241 Jy ! Component: 3700 - total flux cleaned = -0.000812301 Jy ! Component: 3750 - total flux cleaned = -0.000850091 Jy ! Component: 3800 - total flux cleaned = -0.000827528 Jy ! Component: 3850 - total flux cleaned = -0.000797752 Jy ! Component: 3900 - total flux cleaned = -0.00081258 Jy ! Component: 3950 - total flux cleaned = -0.000783056 Jy ! Component: 4000 - total flux cleaned = -0.000782996 Jy ! Component: 4050 - total flux cleaned = -0.000783 Jy ! Total flux subtracted in 4096 components = -0.00077575 Jy ! Clean residual min=-0.000440 max=0.000366 Jy/beam ! Clean residual mean=-0.000000 rms=0.000133 Jy/beam ! Combined flux in latest and established models = 0.268998 Jy keep ! Adding 290 model components to the UV plane model. ! The established model now contains 433 components and 0.268998 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J1620+4901_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9632 x 3.156 at -18.34 degrees (North through East) ! Clean map min=-0.0011934 max=0.18882 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J1620+4901_X_map.fits wmodel /vlbi/sb072/temp_maps//J1620+4901_X_map.mod ! Writing 433 model components to file: /vlbi/sb072/temp_maps//J1620+4901_X_map.mod wobs /vlbi/sb072/temp_maps//J1620+4901_X_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J1620+4901_X_uvs.fits wwins /vlbi/sb072/temp_maps//J1620+4901_X_map.win ! wwins: Wrote 5 windows to /vlbi/sb072/temp_maps//J1620+4901_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.188822 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000131448 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.208844 0.208844 0.417689 0.835377 1.67075 3.34151 6.68302 13.366 26.7321 53.4641 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.188 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1436.48 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J1620+4901_X_dfm.log closed on Sat Dec 15 22:24:57 2018