! Started logfile: /vlbi/bs262/maps//J0837+5831_X_20180429_dfm.log on Mon Jun 4 23:27:48 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/bs262/maps//J0837+5831_X_20180429_uva.fits ! Reading UV FITS file: /vlbi/bs262/maps//J0837+5831_X_20180429_uva.fits ! AN table 1: 90 integrations on 28 of 28 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J0837+5831 ! ! 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 76 lines of history. ! ! Reading 20160 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 J0837+5831_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=0.999847Jy sigma=27.966304 ! Fit after self-cal, rms=0.987875Jy sigma=27.637154 ! 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=0.7136 mas, bmaj=2.923 mas, bpa=-11.62 degrees ! Estimated noise=0.513165 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 = 0.00958233 Jy ! Component: 100 - total flux cleaned = 0.011574 Jy ! Total flux subtracted in 100 components = 0.011574 Jy ! Clean residual min=-0.001257 max=0.001661 Jy/beam ! Clean residual mean=0.000002 rms=0.000355 Jy/beam ! Combined flux in latest and established models = 0.011574 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.011574 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=0.026512Jy sigma=0.704678 ! Fit after self-cal, rms=0.025000Jy sigma=0.660221 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00309057 Jy ! Component: 100 - total flux cleaned = 0.00309732 Jy ! Total flux subtracted in 100 components = 0.00309732 Jy ! Clean residual min=-0.001183 max=0.001576 Jy/beam ! Clean residual mean=0.000001 rms=0.000317 Jy/beam ! Combined flux in latest and established models = 0.0146713 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 7 components and 0.0146713 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=0.024652Jy sigma=0.651083 ! Fit after self-cal, rms=0.024642Jy sigma=0.650834 ! 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=0.962 mas, bmaj=2.904 mas, bpa=-11.86 degrees ! Estimated noise=0.180841 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 (-2, -1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000457258 Jy ! Component: 100 - total flux cleaned = 0.000238227 Jy ! Component: 150 - total flux cleaned = 0.000147842 Jy ! Component: 200 - total flux cleaned = 0.000187813 Jy ! Total flux subtracted in 200 components = 0.000187813 Jy ! Clean residual min=-0.000564 max=0.000765 Jy/beam ! Clean residual mean=0.000000 rms=0.000141 Jy/beam ! Combined flux in latest and established models = 0.0148591 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 23 components and 0.0148591 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=0.024591Jy sigma=0.649415 ! Fit after self-cal, rms=0.024550Jy sigma=0.649101 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.962 x 2.904 at -11.86 degrees (North through East) ! Clean map min=-0.00070993 max=0.015373 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.02 HN 0.89 KP 0.86 ! LA 1.01 MK 1.07 NL 1.10 OV 1.05 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.10 HN 0.97 KP 1.03 ! LA 1.02 MK 1.02 NL 1.09 OV 0.97 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.89 HN 0.90 KP 1.11 ! LA 0.96 MK 1.04 NL 1.14 OV 1.08 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.02 HN 0.93 KP 0.96 ! LA 1.03 MK 0.96 NL 1.14 OV 1.02 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.89 HN 0.87 KP 1.04 ! LA 1.01 MK 1.07 NL 1.06 OV 1.16 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.95 HN 0.86 KP 0.91 ! LA 1.01 MK 1.06 NL 1.08 OV 1.08 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.02 HN 0.83 KP 1.05 ! LA 0.91 MK 0.98 NL 1.10 OV 0.93 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.14 HN 0.85 KP 1.09 ! LA 0.99 MK 0.96 NL 1.11 OV 1.02 ! ! ! Fit before self-cal, rms=0.024550Jy sigma=0.649101 ! Fit after self-cal, rms=0.024012Jy sigma=0.647387 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9566 mas, bmaj=2.86 mas, bpa=-12.32 degrees ! Estimated noise=0.179395 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 = 0.000112893 Jy ! Component: 100 - total flux cleaned = 0.000146467 Jy ! Component: 150 - total flux cleaned = 0.000174896 Jy ! Component: 200 - total flux cleaned = 0.000194101 Jy ! Total flux subtracted in 200 components = 0.000194101 Jy ! Clean residual min=-0.000445 max=0.000421 Jy/beam ! Clean residual mean=0.000000 rms=0.000099 Jy/beam ! Combined flux in latest and established models = 0.0150532 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 41 components and 0.0150532 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=0.024007Jy sigma=0.647272 ! Fit after self-cal, rms=0.024024Jy sigma=0.646713 ! 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=0.024024Jy sigma=0.646713 ! Fit after self-cal, rms=0.024118Jy sigma=0.646557 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9554 mas, bmaj=2.844 mas, bpa=-12.49 degrees ! Estimated noise=0.179792 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000133774 Jy ! Component: 100 - total flux cleaned = 0.000176309 Jy ! Component: 150 - total flux cleaned = 0.000181049 Jy ! Component: 200 - total flux cleaned = 0.000173864 Jy ! Total flux subtracted in 200 components = 0.000173864 Jy ! Clean residual min=-0.000423 max=0.000433 Jy/beam ! Clean residual mean=0.000000 rms=0.000096 Jy/beam ! Combined flux in latest and established models = 0.0152271 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 49 components and 0.0152271 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=0.024114Jy sigma=0.646482 ! Fit after self-cal, rms=0.024125Jy sigma=0.646373 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 (-12.2, -32.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000124045 Jy ! Component: 100 - total flux cleaned = 0.000124972 Jy ! Component: 150 - total flux cleaned = 0.000150322 Jy ! Component: 200 - total flux cleaned = 0.000199951 Jy ! Total flux subtracted in 200 components = 0.000199951 Jy ! Clean residual min=-0.000385 max=0.000427 Jy/beam ! Clean residual mean=0.000000 rms=0.000089 Jy/beam ! Combined flux in latest and established models = 0.015427 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 67 components and 0.015427 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=0.646130 ! Fit after self-cal, rms=0.024108Jy sigma=0.645926 ! Inverting map ! Added new window around map position (-50.8, -22.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000378779 Jy ! Component: 100 - total flux cleaned = 0.000421572 Jy ! Component: 150 - total flux cleaned = 0.000462209 Jy ! Component: 200 - total flux cleaned = 0.000513667 Jy ! Total flux subtracted in 200 components = 0.000513667 Jy ! Clean residual min=-0.000388 max=0.000322 Jy/beam ! Clean residual mean=0.000000 rms=0.000084 Jy/beam ! Combined flux in latest and established models = 0.0159407 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 81 components and 0.0159407 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=0.024099Jy sigma=0.645689 ! Fit after self-cal, rms=0.024093Jy sigma=0.645609 ! 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=0.024093Jy sigma=0.645609 ! Fit after self-cal, rms=0.024018Jy sigma=0.645555 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9567 mas, bmaj=2.835 mas, bpa=-12.57 degrees ! Estimated noise=0.179025 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00024673 Jy ! Component: 100 - total flux cleaned = 0.000320221 Jy ! Component: 150 - total flux cleaned = 0.000389367 Jy ! Component: 200 - total flux cleaned = 0.000451295 Jy ! Total flux subtracted in 200 components = 0.000451295 Jy ! Clean residual min=-0.000372 max=0.000347 Jy/beam ! Clean residual mean=0.000000 rms=0.000082 Jy/beam ! Combined flux in latest and established models = 0.016392 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 87 components and 0.016392 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=0.024012Jy sigma=0.645383 ! Fit after self-cal, rms=0.024009Jy sigma=0.645148 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 = 0.000179707 Jy ! Component: 100 - total flux cleaned = 0.000210351 Jy ! Component: 150 - total flux cleaned = 0.000258805 Jy ! Component: 200 - total flux cleaned = 0.000309091 Jy ! Total flux subtracted in 200 components = 0.000309091 Jy ! Clean residual min=-0.000385 max=0.000342 Jy/beam ! Clean residual mean=0.000000 rms=0.000083 Jy/beam ! Combined flux in latest and established models = 0.0167011 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 89 components and 0.0167011 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=0.024004Jy sigma=0.645030 ! Fit after self-cal, rms=0.024001Jy sigma=0.644993 ! 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=0.024001Jy sigma=0.644993 ! Fit after self-cal, rms=0.023992Jy sigma=0.644964 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.964 mas, bmaj=2.963 mas, bpa=-17.12 degrees ! Estimated noise=0.220384 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000201792 Jy ! Component: 100 - total flux cleaned = 0.000276268 Jy ! Component: 150 - total flux cleaned = 0.000323837 Jy ! Component: 200 - total flux cleaned = 0.000362218 Jy ! Total flux subtracted in 200 components = 0.000362218 Jy ! Clean residual min=-0.000335 max=0.000279 Jy/beam ! Clean residual mean=0.000001 rms=0.000076 Jy/beam ! Combined flux in latest and established models = 0.0170633 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 111 components and 0.0170633 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=0.023990Jy sigma=0.644916 ! Fit after self-cal, rms=0.023993Jy sigma=0.644897 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 = 0.000102931 Jy ! Component: 100 - total flux cleaned = 0.000116212 Jy ! Component: 150 - total flux cleaned = 0.000100732 Jy ! Component: 200 - total flux cleaned = 7.48526e-05 Jy ! Total flux subtracted in 200 components = 7.48526e-05 Jy ! Clean residual min=-0.000344 max=0.000282 Jy/beam ! Clean residual mean=0.000001 rms=0.000075 Jy/beam ! Combined flux in latest and established models = 0.0171381 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 119 components and 0.0171381 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=0.023992Jy sigma=0.644877 ! Fit after self-cal, rms=0.023992Jy sigma=0.644870 ! 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=0.9573 mas, bmaj=2.831 mas, bpa=-12.6 degrees ! Estimated noise=0.178705 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9573 x 2.831 at -12.6 degrees (North through East) ! Clean map min=-0.00059084 max=0.015195 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=0.7061 mas, bmaj=2.856 mas, bpa=-12.25 degrees ! Estimated noise=0.504782 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0119318 Jy ! Component: 100 - total flux cleaned = 0.014707 Jy ! Component: 150 - total flux cleaned = 0.0150291 Jy ! Component: 200 - total flux cleaned = 0.0154447 Jy ! Total flux subtracted in 200 components = 0.0154447 Jy ! Clean residual min=-0.001145 max=0.001081 Jy/beam ! Clean residual mean=0.000001 rms=0.000279 Jy/beam ! Combined flux in latest and established models = 0.0154447 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 16 model components to the UV plane model. ! The established model now contains 16 components and 0.0154447 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9573 mas, bmaj=2.831 mas, bpa=-12.6 degrees ! Estimated noise=0.178705 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 = 0.000796632 Jy ! Component: 100 - total flux cleaned = 0.00102944 Jy ! Component: 150 - total flux cleaned = 0.0011052 Jy ! Component: 200 - total flux cleaned = 0.00124354 Jy ! Total flux subtracted in 200 components = 0.00124354 Jy ! Clean residual min=-0.000489 max=0.000516 Jy/beam ! Clean residual mean=0.000001 rms=0.000122 Jy/beam ! Combined flux in latest and established models = 0.0166882 Jy ! Adding 20 model components to the UV plane model. ! The established model now contains 36 components and 0.0166882 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=1.964 mas, bmaj=2.963 mas, bpa=-17.12 degrees ! Estimated noise=0.220384 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00044449 Jy ! Component: 100 - total flux cleaned = 0.000515697 Jy ! Component: 150 - total flux cleaned = 0.000549926 Jy ! Component: 200 - total flux cleaned = 0.000590218 Jy ! Total flux subtracted in 200 components = 0.000590218 Jy ! Clean residual min=-0.000399 max=0.000352 Jy/beam ! Clean residual mean=0.000001 rms=0.000101 Jy/beam ! Combined flux in latest and established models = 0.0172784 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.56872e-05 Jy ! Component: 100 - total flux cleaned = 3.52875e-05 Jy ! Component: 150 - total flux cleaned = 2.02017e-05 Jy ! Component: 200 - total flux cleaned = -1.24788e-05 Jy ! Total flux subtracted in 200 components = -1.24788e-05 Jy ! Clean residual min=-0.000374 max=0.000323 Jy/beam ! Clean residual mean=0.000001 rms=0.000088 Jy/beam ! Combined flux in latest and established models = 0.017266 Jy ! Adding 42 model components to the UV plane model. ! The established model now contains 74 components and 0.017266 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9573 mas, bmaj=2.831 mas, bpa=-12.6 degrees ! Estimated noise=0.178705 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000128178 Jy ! Component: 100 - total flux cleaned = -0.000138602 Jy ! Component: 150 - total flux cleaned = -0.000110723 Jy ! Component: 200 - total flux cleaned = -9.39751e-05 Jy ! Total flux subtracted in 200 components = -9.39751e-05 Jy ! Clean residual min=-0.000374 max=0.000366 Jy/beam ! Clean residual mean=0.000000 rms=0.000088 Jy/beam ! Combined flux in latest and established models = 0.017172 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 93 components and 0.017172 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=0.023995Jy sigma=0.644942 ! Fit after self-cal, rms=0.023988Jy sigma=0.644813 wmodel J0837+5831_X_map.mod ! Writing 93 model components to file: J0837+5831_X_map.mod wobs J0837+5831_X_uvs.fits ! Writing UV FITS file: J0837+5831_X_uvs.fits wwins J0837+5831_X_map.win ! wwins: Wrote 4 windows to J0837+5831_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 = -0.000151332 Jy ! Component: 100 - total flux cleaned = -0.000229237 Jy ! Component: 150 - total flux cleaned = -0.000315122 Jy ! Component: 200 - total flux cleaned = -0.000379079 Jy ! Component: 250 - total flux cleaned = -0.000451483 Jy ! Component: 300 - total flux cleaned = -0.000515997 Jy ! Component: 350 - total flux cleaned = -0.000578569 Jy ! Component: 400 - total flux cleaned = -0.000639358 Jy ! Component: 450 - total flux cleaned = -0.000693806 Jy ! Component: 500 - total flux cleaned = -0.000756833 Jy ! Component: 550 - total flux cleaned = -0.000809069 Jy ! Component: 600 - total flux cleaned = -0.000851037 Jy ! Component: 650 - total flux cleaned = -0.000892223 Jy ! Component: 700 - total flux cleaned = -0.000919115 Jy ! Component: 750 - total flux cleaned = -0.000954518 Jy ! Component: 800 - total flux cleaned = -0.000980704 Jy ! Component: 850 - total flux cleaned = -0.000993591 Jy ! Component: 900 - total flux cleaned = -0.00101485 Jy ! Component: 950 - total flux cleaned = -0.00102749 Jy ! Component: 1000 - total flux cleaned = -0.00104404 Jy ! Component: 1050 - total flux cleaned = -0.00104812 Jy ! Component: 1100 - total flux cleaned = -0.00106438 Jy ! Component: 1150 - total flux cleaned = -0.00108837 Jy ! Component: 1200 - total flux cleaned = -0.00108836 Jy ! Component: 1250 - total flux cleaned = -0.00111189 Jy ! Component: 1300 - total flux cleaned = -0.00111966 Jy ! Component: 1350 - total flux cleaned = -0.00114652 Jy ! Component: 1400 - total flux cleaned = -0.00114649 Jy ! Component: 1450 - total flux cleaned = -0.00115781 Jy ! Component: 1500 - total flux cleaned = -0.00116902 Jy ! Component: 1550 - total flux cleaned = -0.00118386 Jy ! Component: 1600 - total flux cleaned = -0.00120218 Jy ! Component: 1650 - total flux cleaned = -0.00121306 Jy ! Component: 1700 - total flux cleaned = -0.00122749 Jy ! Component: 1750 - total flux cleaned = -0.00125252 Jy ! Component: 1800 - total flux cleaned = -0.00127022 Jy ! Component: 1850 - total flux cleaned = -0.00127377 Jy ! Component: 1900 - total flux cleaned = -0.00128776 Jy ! Component: 1950 - total flux cleaned = -0.00131885 Jy ! Component: 2000 - total flux cleaned = -0.00133943 Jy ! Component: 2050 - total flux cleaned = -0.00136665 Jy ! Component: 2100 - total flux cleaned = -0.00138689 Jy ! Component: 2150 - total flux cleaned = -0.00141368 Jy ! Component: 2200 - total flux cleaned = -0.00142697 Jy ! Component: 2250 - total flux cleaned = -0.00145007 Jy ! Component: 2300 - total flux cleaned = -0.00146973 Jy ! Component: 2350 - total flux cleaned = -0.00150548 Jy ! Component: 2400 - total flux cleaned = -0.00151837 Jy ! Component: 2450 - total flux cleaned = -0.00153759 Jy ! Component: 2500 - total flux cleaned = -0.00156941 Jy ! Component: 2550 - total flux cleaned = -0.00158521 Jy ! Component: 2600 - total flux cleaned = -0.00161346 Jy ! Component: 2650 - total flux cleaned = -0.00163521 Jy ! Component: 2700 - total flux cleaned = -0.00164448 Jy ! Component: 2750 - total flux cleaned = -0.00165677 Jy ! Component: 2800 - total flux cleaned = -0.00168422 Jy ! Component: 2850 - total flux cleaned = -0.00170541 Jy ! Component: 2900 - total flux cleaned = -0.00172046 Jy ! Component: 2950 - total flux cleaned = -0.00173541 Jy ! Component: 3000 - total flux cleaned = -0.00176214 Jy ! Component: 3050 - total flux cleaned = -0.00177691 Jy ! Component: 3100 - total flux cleaned = -0.0018121 Jy ! Component: 3150 - total flux cleaned = -0.00181794 Jy ! Component: 3200 - total flux cleaned = -0.00184978 Jy ! Component: 3250 - total flux cleaned = -0.00186419 Jy ! Component: 3300 - total flux cleaned = -0.0018785 Jy ! Component: 3350 - total flux cleaned = -0.00189275 Jy ! Component: 3400 - total flux cleaned = -0.00192104 Jy ! Component: 3450 - total flux cleaned = -0.00193511 Jy ! Component: 3500 - total flux cleaned = -0.00194908 Jy ! Component: 3550 - total flux cleaned = -0.00196022 Jy ! Component: 3600 - total flux cleaned = -0.00197682 Jy ! Component: 3650 - total flux cleaned = -0.0019851 Jy ! Component: 3700 - total flux cleaned = -0.00199608 Jy ! Component: 3750 - total flux cleaned = -0.00201519 Jy ! Component: 3800 - total flux cleaned = -0.00203422 Jy ! Component: 3850 - total flux cleaned = -0.00205042 Jy ! Component: 3900 - total flux cleaned = -0.0020612 Jy ! Component: 3950 - total flux cleaned = -0.00208529 Jy ! Component: 4000 - total flux cleaned = -0.00209596 Jy ! Component: 4050 - total flux cleaned = -0.00212248 Jy ! Total flux subtracted in 4096 components = -0.00212776 Jy ! Clean residual min=-0.000161 max=0.000162 Jy/beam ! Clean residual mean=0.000000 rms=0.000045 Jy/beam ! Combined flux in latest and established models = 0.0150442 Jy keep ! Adding 256 model components to the UV plane model. ! The established model now contains 349 components and 0.0150442 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bs262/maps//J0837+5831_X_20180429_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9573 x 2.831 at -12.6 degrees (North through East) ! Clean map min=-0.00062115 max=0.015112 Jy/beam ! Writing clean map to FITS file: /vlbi/bs262/maps//J0837+5831_X_20180429_map.fits wmodel /vlbi/bs262/maps//J0837+5831_X_20180429_map.mod ! Writing 349 model components to file: /vlbi/bs262/maps//J0837+5831_X_20180429_map.mod wobs /vlbi/bs262/maps//J0837+5831_X_20180429_uvs.fits ! Writing UV FITS file: /vlbi/bs262/maps//J0837+5831_X_20180429_uvs.fits wwins /vlbi/bs262/maps//J0837+5831_X_20180429_map.win ! wwins: Wrote 5 windows to /vlbi/bs262/maps//J0837+5831_X_20180429_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0151124 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 4.40866e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.875177 0.875177 1.75035 3.50071 7.00142 14.0028 28.0057 56.0113 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= 342.787 quit ! Quitting program ! Log file /vlbi/bs262/maps//J0837+5831_X_20180429_dfm.log closed on Mon Jun 4 23:27:53 2018