! Started logfile: /vlbi/bs262/maps//J0242+2653_C_20180501_dfm.log on Mon Jun 4 23:15:03 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/bs262/maps//J0242+2653_C_20180501_uva.fits ! Reading UV FITS file: /vlbi/bs262/maps//J0242+2653_C_20180501_uva.fits ! AN table 1: 22 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.979798 visibilities/baseline/integration-bin. ! Found source: J0242+2653 ! ! 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 3 lines of history. ! ! Reading 6208 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 J0242+2653_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. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.002179Jy sigma=22.985095 ! Fit after self-cal, rms=0.932105Jy sigma=21.421614 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.46 mas, bmaj=3.719 mas, bpa=24.2 degrees ! Estimated noise=0.619977 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 = 0.0487419 Jy ! Component: 100 - total flux cleaned = 0.0656119 Jy ! Total flux subtracted in 100 components = 0.0656119 Jy ! Clean residual min=-0.006504 max=0.011951 Jy/beam ! Clean residual mean=0.000008 rms=0.001936 Jy/beam ! Combined flux in latest and established models = 0.0656119 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.0656119 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=0.046810Jy sigma=0.972929 ! Fit after self-cal, rms=0.046116Jy sigma=0.955886 ! Inverting map ! Added new window around map position (3.6, -7.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0111249 Jy ! Component: 100 - total flux cleaned = 0.0169743 Jy ! Total flux subtracted in 100 components = 0.0169743 Jy ! Clean residual min=-0.005782 max=0.009891 Jy/beam ! Clean residual mean=0.000006 rms=0.001549 Jy/beam ! Combined flux in latest and established models = 0.0825862 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 19 components and 0.0825862 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=0.043107Jy sigma=0.873474 ! Fit after self-cal, rms=0.042968Jy sigma=0.868724 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.835 mas, bmaj=4.034 mas, bpa=22.52 degrees ! Estimated noise=0.412157 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 (-22.2, -1.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0102736 Jy ! Component: 100 - total flux cleaned = 0.0137348 Jy ! Component: 150 - total flux cleaned = 0.0143167 Jy ! Component: 200 - total flux cleaned = 0.0144853 Jy ! Total flux subtracted in 200 components = 0.0144853 Jy ! Clean residual min=-0.005921 max=0.008040 Jy/beam ! Clean residual mean=-0.000000 rms=0.001334 Jy/beam ! Combined flux in latest and established models = 0.0970715 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 44 components and 0.0970715 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=0.039931Jy sigma=0.794405 ! Fit after self-cal, rms=0.039695Jy sigma=0.788465 ! Inverting map ! Added new window around map position (13.5, -19.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00492275 Jy ! Component: 100 - total flux cleaned = 0.00523418 Jy ! Component: 150 - total flux cleaned = 0.00511818 Jy ! Component: 200 - total flux cleaned = 0.00443103 Jy ! Total flux subtracted in 200 components = 0.00443103 Jy ! Clean residual min=-0.004725 max=0.006285 Jy/beam ! Clean residual mean=-0.000001 rms=0.001092 Jy/beam ! Combined flux in latest and established models = 0.101503 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 68 components and 0.101503 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=0.038271Jy sigma=0.749970 ! Fit after self-cal, rms=0.038086Jy sigma=0.746437 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.835 x 4.034 at 22.52 degrees (North through East) ! Clean map min=-0.0045992 max=0.062701 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.22 FD 0.95 HN 3.33 KP 0.80 ! LA 1.15 MK 0.84 NL 1.27 OV 1.49 ! SC 0.91 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.12 HN 3.87 KP 0.84 ! LA 0.90 MK 0.77 NL 0.82 OV 0.77 ! SC 0.89 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.79 FD 1.01 HN 3.85 KP 0.93 ! LA 0.98 MK 0.77 NL 1.07 OV 0.85 ! SC 1.01 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.06 HN 3.99 KP 0.94 ! LA 1.03 MK 0.83 NL 0.87 OV 0.85 ! SC 1.05 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.58 FD 0.95 HN 3.05 KP 0.99 ! LA 1.06 MK 0.87 NL 1.06 OV 0.94 ! SC 1.06 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.12 HN 4.21 KP 1.06 ! LA 1.00 MK 0.81 NL 0.99 OV 0.87 ! SC 1.09 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.00 HN 3.96 KP 1.08 ! LA 0.94 MK 0.79 NL 0.99 OV 0.92 ! SC 0.96 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.00 HN 4.58 KP 1.00 ! LA 1.02 MK 0.77 NL 0.93 OV 0.95 ! SC 1.03 ! ! ! Fit before self-cal, rms=0.038086Jy sigma=0.746437 ! Fit after self-cal, rms=0.058374Jy sigma=0.649048 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.843 mas, bmaj=4.34 mas, bpa=26.34 degrees ! Estimated noise=0.453761 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 = -0.002731 Jy ! Component: 100 - total flux cleaned = -0.0037114 Jy ! Component: 150 - total flux cleaned = -0.0041746 Jy ! Component: 200 - total flux cleaned = -0.0042989 Jy ! Total flux subtracted in 200 components = -0.0042989 Jy ! Clean residual min=-0.002196 max=0.002211 Jy/beam ! Clean residual mean=0.000001 rms=0.000516 Jy/beam ! Combined flux in latest and established models = 0.0972037 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 97 components and 0.0972037 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=0.058170Jy sigma=0.641849 ! Fit after self-cal, rms=0.058215Jy sigma=0.640862 ! 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=0.058215Jy sigma=0.640862 ! Fit after self-cal, rms=0.060785Jy sigma=0.640616 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.843 mas, bmaj=4.357 mas, bpa=26.42 degrees ! Estimated noise=0.452881 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00147996 Jy ! Component: 100 - total flux cleaned = -0.00171073 Jy ! Component: 150 - total flux cleaned = -0.00186809 Jy ! Component: 200 - total flux cleaned = -0.00201333 Jy ! Total flux subtracted in 200 components = -0.00201333 Jy ! Clean residual min=-0.001977 max=0.002016 Jy/beam ! Clean residual mean=0.000001 rms=0.000471 Jy/beam ! Combined flux in latest and established models = 0.0951903 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 108 components and 0.0951903 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=0.060676Jy sigma=0.637038 ! Fit after self-cal, rms=0.060657Jy sigma=0.636893 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 (0.3, 6.9). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000363184 Jy ! Component: 100 - total flux cleaned = 0.000461355 Jy ! Component: 150 - total flux cleaned = 0.000549198 Jy ! Component: 200 - total flux cleaned = 0.000508648 Jy ! Total flux subtracted in 200 components = 0.000508648 Jy ! Clean residual min=-0.001741 max=0.001720 Jy/beam ! Clean residual mean=-0.000000 rms=0.000417 Jy/beam ! Combined flux in latest and established models = 0.095699 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 127 components and 0.095699 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=0.060564Jy sigma=0.633084 ! Fit after self-cal, rms=0.060551Jy sigma=0.632860 ! 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=0.060551Jy sigma=0.632860 ! Fit after self-cal, rms=0.062913Jy sigma=0.632629 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.844 mas, bmaj=4.367 mas, bpa=26.47 degrees ! Estimated noise=0.452148 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.49758e-05 Jy ! Component: 100 - total flux cleaned = -4.65647e-05 Jy ! Component: 150 - total flux cleaned = -8.29252e-05 Jy ! Component: 200 - total flux cleaned = -4.8636e-05 Jy ! Total flux subtracted in 200 components = -4.8636e-05 Jy ! Clean residual min=-0.001620 max=0.001611 Jy/beam ! Clean residual mean=-0.000000 rms=0.000390 Jy/beam ! Combined flux in latest and established models = 0.0956504 Jy selfcal ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 138 components and 0.0956504 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=0.062852Jy sigma=0.630690 ! Fit after self-cal, rms=0.062852Jy sigma=0.630570 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 = -8.32396e-05 Jy ! Component: 100 - total flux cleaned = -0.00011755 Jy ! Component: 150 - total flux cleaned = -0.000118116 Jy ! Component: 200 - total flux cleaned = -8.9359e-05 Jy ! Total flux subtracted in 200 components = -8.9359e-05 Jy ! Clean residual min=-0.001554 max=0.001524 Jy/beam ! Clean residual mean=-0.000000 rms=0.000374 Jy/beam ! Combined flux in latest and established models = 0.095561 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 148 components and 0.095561 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=0.062810Jy sigma=0.629425 ! Fit after self-cal, rms=0.062815Jy sigma=0.629366 ! 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=0.062815Jy sigma=0.629366 ! Fit after self-cal, rms=0.064703Jy sigma=0.629222 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.598 mas, bmaj=5.135 mas, bpa=11.78 degrees ! Estimated noise=0.502022 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000457818 Jy ! Component: 100 - total flux cleaned = 0.000575556 Jy ! Component: 150 - total flux cleaned = 0.00065183 Jy ! Component: 200 - total flux cleaned = 0.00076414 Jy ! Total flux subtracted in 200 components = 0.00076414 Jy ! Clean residual min=-0.001353 max=0.001418 Jy/beam ! Clean residual mean=-0.000001 rms=0.000379 Jy/beam ! Combined flux in latest and established models = 0.0963251 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 164 components and 0.0963252 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=0.064690Jy sigma=0.628478 ! Fit after self-cal, rms=0.064691Jy sigma=0.628434 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 = 7.46024e-05 Jy ! Component: 100 - total flux cleaned = 0.00017132 Jy ! Component: 150 - total flux cleaned = 0.000260527 Jy ! Component: 200 - total flux cleaned = 0.000362229 Jy ! Total flux subtracted in 200 components = 0.000362229 Jy ! Clean residual min=-0.001302 max=0.001372 Jy/beam ! Clean residual mean=-0.000001 rms=0.000366 Jy/beam ! Combined flux in latest and established models = 0.0966874 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 177 components and 0.0966874 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=0.064680Jy sigma=0.628082 ! Fit after self-cal, rms=0.064680Jy sigma=0.628070 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=1.845 mas, bmaj=4.373 mas, bpa=26.5 degrees ! Estimated noise=0.451366 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.845 x 4.373 at 26.5 degrees (North through East) ! Clean map min=-0.0021114 max=0.065661 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "============== Clearing model and starting over ==========" ! ============== Clearing model and starting over ========== clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.426 mas, bmaj=4.188 mas, bpa=27.79 degrees ! Estimated noise=0.710502 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.055483 Jy ! Component: 100 - total flux cleaned = 0.0695151 Jy ! Component: 150 - total flux cleaned = 0.0771798 Jy ! Component: 200 - total flux cleaned = 0.0825985 Jy ! Total flux subtracted in 200 components = 0.0825985 Jy ! Clean residual min=-0.003034 max=0.004428 Jy/beam ! Clean residual mean=0.000005 rms=0.000763 Jy/beam ! Combined flux in latest and established models = 0.0825985 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 21 model components to the UV plane model. ! The established model now contains 21 components and 0.0825985 Jy ! Inverting map and beam ! Estimated beam: bmin=1.845 mas, bmaj=4.373 mas, bpa=26.5 degrees ! Estimated noise=0.451366 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 (-15.6, -21). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00545281 Jy ! Component: 100 - total flux cleaned = 0.00752031 Jy ! Component: 150 - total flux cleaned = 0.00914681 Jy ! Component: 200 - total flux cleaned = 0.0100739 Jy ! Total flux subtracted in 200 components = 0.0100739 Jy ! Clean residual min=-0.001994 max=0.002294 Jy/beam ! Clean residual mean=0.000003 rms=0.000507 Jy/beam ! Combined flux in latest and established models = 0.0926723 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 56 components and 0.0926723 Jy ! Inverting map ! Added new window around map position (59.1, -4.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00128541 Jy ! Component: 100 - total flux cleaned = 0.00149362 Jy ! Component: 150 - total flux cleaned = 0.00174559 Jy ! Component: 200 - total flux cleaned = 0.00192144 Jy ! Total flux subtracted in 200 components = 0.00192144 Jy ! Clean residual min=-0.001496 max=0.001849 Jy/beam ! Clean residual mean=0.000001 rms=0.000421 Jy/beam ! Combined flux in latest and established models = 0.0945938 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 87 components and 0.0945938 Jy ! Inverting map ! Added new window around map position (2.1, -56.1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00125106 Jy ! Component: 100 - total flux cleaned = 0.00140845 Jy ! Component: 150 - total flux cleaned = 0.00160292 Jy ! Component: 200 - total flux cleaned = 0.00174161 Jy ! Total flux subtracted in 200 components = 0.00174161 Jy ! Clean residual min=-0.001299 max=0.001539 Jy/beam ! Clean residual mean=0.000001 rms=0.000369 Jy/beam ! Combined flux in latest and established models = 0.0963354 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 108 components and 0.0963354 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.598 mas, bmaj=5.135 mas, bpa=11.78 degrees ! Estimated noise=0.502022 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00102514 Jy ! Component: 100 - total flux cleaned = 0.00164712 Jy ! Component: 150 - total flux cleaned = 0.00222276 Jy ! Component: 200 - total flux cleaned = 0.00246898 Jy ! Total flux subtracted in 200 components = 0.00246898 Jy ! Clean residual min=-0.001217 max=0.001341 Jy/beam ! Clean residual mean=0.000002 rms=0.000351 Jy/beam ! Combined flux in latest and established models = 0.0988044 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 = 0.000284606 Jy ! Component: 100 - total flux cleaned = 0.000443016 Jy ! Component: 150 - total flux cleaned = 0.00061647 Jy ! Component: 200 - total flux cleaned = 0.000755918 Jy ! Total flux subtracted in 200 components = 0.000755918 Jy ! Clean residual min=-0.001205 max=0.001225 Jy/beam ! Clean residual mean=0.000001 rms=0.000325 Jy/beam ! Combined flux in latest and established models = 0.0995603 Jy ! Adding 48 model components to the UV plane model. ! The established model now contains 149 components and 0.0995603 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.845 mas, bmaj=4.373 mas, bpa=26.5 degrees ! Estimated noise=0.451366 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000349805 Jy ! Component: 100 - total flux cleaned = -0.000463866 Jy ! Component: 150 - total flux cleaned = -0.000497957 Jy ! Component: 200 - total flux cleaned = -0.000432266 Jy ! Total flux subtracted in 200 components = -0.000432266 Jy ! Clean residual min=-0.001135 max=0.001307 Jy/beam ! Clean residual mean=0.000000 rms=0.000313 Jy/beam ! Combined flux in latest and established models = 0.099128 Jy selfcal ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 171 components and 0.099128 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=0.064825Jy sigma=0.625952 ! Fit after self-cal, rms=0.064638Jy sigma=0.624790 wmodel J0242+2653_C_map.mod ! Writing 171 model components to file: J0242+2653_C_map.mod wobs J0242+2653_C_uvs.fits ! Writing UV FITS file: J0242+2653_C_uvs.fits wwins J0242+2653_C_map.win ! wwins: Wrote 8 windows to J0242+2653_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 = 0.000139769 Jy ! Component: 100 - total flux cleaned = 0.000223886 Jy ! Component: 150 - total flux cleaned = 0.000323589 Jy ! Component: 200 - total flux cleaned = 0.000381206 Jy ! Component: 250 - total flux cleaned = 0.000362881 Jy ! Component: 300 - total flux cleaned = 0.000399378 Jy ! Component: 350 - total flux cleaned = 0.000399339 Jy ! Component: 400 - total flux cleaned = 0.000451029 Jy ! Component: 450 - total flux cleaned = 0.00045131 Jy ! Component: 500 - total flux cleaned = 0.00055051 Jy ! Component: 550 - total flux cleaned = 0.000566389 Jy ! Component: 600 - total flux cleaned = 0.000550487 Jy ! Component: 650 - total flux cleaned = 0.000613437 Jy ! Component: 700 - total flux cleaned = 0.0007364 Jy ! Component: 750 - total flux cleaned = 0.000736201 Jy ! Component: 800 - total flux cleaned = 0.000781282 Jy ! Component: 850 - total flux cleaned = 0.00084047 Jy ! Component: 900 - total flux cleaned = 0.000869589 Jy ! Component: 950 - total flux cleaned = 0.000898373 Jy ! Component: 1000 - total flux cleaned = 0.000926915 Jy ! Component: 1050 - total flux cleaned = 0.000954828 Jy ! Component: 1100 - total flux cleaned = 0.000968797 Jy ! Component: 1150 - total flux cleaned = 0.00099626 Jy ! Component: 1200 - total flux cleaned = 0.000969084 Jy ! Component: 1250 - total flux cleaned = 0.000996138 Jy ! Component: 1300 - total flux cleaned = 0.00100934 Jy ! Component: 1350 - total flux cleaned = 0.00100951 Jy ! Component: 1400 - total flux cleaned = 0.00097038 Jy ! Component: 1450 - total flux cleaned = 0.000996342 Jy ! Component: 1500 - total flux cleaned = 0.0009193 Jy ! Component: 1550 - total flux cleaned = 0.000932033 Jy ! Component: 1600 - total flux cleaned = 0.000893946 Jy ! Component: 1650 - total flux cleaned = 0.000856541 Jy ! Component: 1700 - total flux cleaned = 0.0008441 Jy ! Component: 1750 - total flux cleaned = 0.000807104 Jy ! Component: 1800 - total flux cleaned = 0.000746035 Jy ! Component: 1850 - total flux cleaned = 0.00072172 Jy ! Component: 1900 - total flux cleaned = 0.000637633 Jy ! Component: 1950 - total flux cleaned = 0.000590017 Jy ! Component: 2000 - total flux cleaned = 0.00054275 Jy ! Component: 2050 - total flux cleaned = 0.000519531 Jy ! Component: 2100 - total flux cleaned = 0.000496198 Jy ! Component: 2150 - total flux cleaned = 0.000426909 Jy ! Component: 2200 - total flux cleaned = 0.000380923 Jy ! Component: 2250 - total flux cleaned = 0.000312486 Jy ! Component: 2300 - total flux cleaned = 0.000278628 Jy ! Component: 2350 - total flux cleaned = 0.000278628 Jy ! Component: 2400 - total flux cleaned = 0.000200281 Jy ! Component: 2450 - total flux cleaned = 0.000200298 Jy ! Component: 2500 - total flux cleaned = 0.000189197 Jy ! Component: 2550 - total flux cleaned = 0.00013425 Jy ! Component: 2600 - total flux cleaned = 0.000166933 Jy ! Component: 2650 - total flux cleaned = 0.000145145 Jy ! Component: 2700 - total flux cleaned = 0.000102013 Jy ! Component: 2750 - total flux cleaned = 7.00252e-05 Jy ! Component: 2800 - total flux cleaned = 0.000102026 Jy ! Component: 2850 - total flux cleaned = 7.01791e-05 Jy ! Component: 2900 - total flux cleaned = 9.131e-05 Jy ! Component: 2950 - total flux cleaned = 5.98478e-05 Jy ! Component: 3000 - total flux cleaned = 2.86736e-05 Jy ! Component: 3050 - total flux cleaned = 5.98317e-05 Jy ! Component: 3100 - total flux cleaned = 7.00351e-05 Jy ! Component: 3150 - total flux cleaned = 5.9745e-05 Jy ! Component: 3200 - total flux cleaned = 5.98372e-05 Jy ! Component: 3250 - total flux cleaned = 4.97709e-05 Jy ! Component: 3300 - total flux cleaned = 6.99397e-05 Jy ! Component: 3350 - total flux cleaned = 6.9957e-05 Jy ! Component: 3400 - total flux cleaned = 6.00428e-05 Jy ! Component: 3450 - total flux cleaned = 9.97132e-05 Jy ! Component: 3500 - total flux cleaned = 6.01403e-05 Jy ! Component: 3550 - total flux cleaned = 6.01637e-05 Jy ! Component: 3600 - total flux cleaned = 8.95191e-05 Jy ! Component: 3650 - total flux cleaned = 6.9983e-05 Jy ! Component: 3700 - total flux cleaned = 1.19248e-05 Jy ! Component: 3750 - total flux cleaned = 2.26525e-06 Jy ! Component: 3800 - total flux cleaned = -2.64125e-05 Jy ! Component: 3850 - total flux cleaned = -2.64017e-05 Jy ! Component: 3900 - total flux cleaned = -4.54205e-05 Jy ! Component: 3950 - total flux cleaned = -6.42815e-05 Jy ! Component: 4000 - total flux cleaned = -0.00010195 Jy ! Component: 4050 - total flux cleaned = -0.000120663 Jy ! Total flux subtracted in 4096 components = -0.0001393 Jy ! Clean residual min=-0.000495 max=0.000475 Jy/beam ! Clean residual mean=0.000000 rms=0.000169 Jy/beam ! Combined flux in latest and established models = 0.0989887 Jy keep ! Adding 277 model components to the UV plane model. ! The established model now contains 448 components and 0.0989888 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bs262/maps//J0242+2653_C_20180501_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.845 x 4.373 at 26.5 degrees (North through East) ! Clean map min=-0.0019344 max=0.068429 Jy/beam ! Writing clean map to FITS file: /vlbi/bs262/maps//J0242+2653_C_20180501_map.fits wmodel /vlbi/bs262/maps//J0242+2653_C_20180501_map.mod ! Writing 448 model components to file: /vlbi/bs262/maps//J0242+2653_C_20180501_map.mod wobs /vlbi/bs262/maps//J0242+2653_C_20180501_uvs.fits ! Writing UV FITS file: /vlbi/bs262/maps//J0242+2653_C_20180501_uvs.fits wwins /vlbi/bs262/maps//J0242+2653_C_20180501_map.win ! wwins: Wrote 9 windows to /vlbi/bs262/maps//J0242+2653_C_20180501_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0684292 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000169188 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.741734 0.741734 1.48347 2.96694 5.93387 11.8677 23.7355 47.471 94.942 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.068 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 404.457 quit ! Quitting program ! Log file /vlbi/bs262/maps//J0242+2653_C_20180501_dfm.log closed on Mon Jun 4 23:15:08 2018