! Started logfile: /vlbi/uf001/uva//J0521-1737_X_dfm.log on Sun Jan 13 22:34:46 2019 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 8.42800 obs /vlbi/uf001/uva//J0521-1737_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0521-1737_X_uva.fits ! AN table 1: 117 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.739411 visibilities/baseline/integration-bin. ! Found source: J0521-1737 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 134 lines of history. ! ! Reading 46716 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 12 channels. ! Selecting polarization: RR, channels: 1..12 ! 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 ! Reading IF 9 channels: 9..9 ! Reading IF 10 channels: 10..10 ! Reading IF 11 channels: 11..11 ! Reading IF 12 channels: 12..12 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 J0521-1737_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. ! A total of 334 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 334 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 334 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 334 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 334 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 334 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 334 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 334 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 334 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 334 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 334 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 334 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.011498Jy sigma=21.494923 ! Fit after self-cal, rms=0.871814Jy sigma=18.511455 ! 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=0.634 mas, bmaj=1.641 mas, bpa=-2.504 degrees ! Estimated noise=0.342583 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 = 0.0934367 Jy ! Component: 100 - total flux cleaned = 0.117037 Jy ! Total flux subtracted in 100 components = 0.117037 Jy ! Clean residual min=-0.005001 max=0.011270 Jy/beam ! Clean residual mean=-0.000010 rms=0.001255 Jy/beam ! Combined flux in latest and established models = 0.117037 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.117037 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.071851Jy sigma=1.451379 ! Fit after self-cal, rms=0.071829Jy sigma=1.450785 ! Inverting map ! Added new window around map position (1.4, 1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0129162 Jy ! Component: 100 - total flux cleaned = 0.0217549 Jy ! Total flux subtracted in 100 components = 0.0217549 Jy ! Clean residual min=-0.004398 max=0.006928 Jy/beam ! Clean residual mean=-0.000007 rms=0.000997 Jy/beam ! Combined flux in latest and established models = 0.138792 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 19 components and 0.138792 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.067440Jy sigma=1.344651 ! Fit after self-cal, rms=0.067268Jy sigma=1.341122 ! Inverting map ! Added new window around map position (2.4, 0.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00809765 Jy ! Component: 100 - total flux cleaned = 0.014165 Jy ! Total flux subtracted in 100 components = 0.014165 Jy ! Clean residual min=-0.003761 max=0.005409 Jy/beam ! Clean residual mean=-0.000006 rms=0.000832 Jy/beam ! Combined flux in latest and established models = 0.152957 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 31 components and 0.152957 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.065401Jy sigma=1.295324 ! Fit after self-cal, rms=0.065304Jy sigma=1.293336 ! 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=0.8187 mas, bmaj=2.023 mas, bpa=-1.887 degrees ! Estimated noise=0.159497 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 (1.4, -0.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00998281 Jy ! Component: 100 - total flux cleaned = 0.0163777 Jy ! Component: 150 - total flux cleaned = 0.0209774 Jy ! Component: 200 - total flux cleaned = 0.0244019 Jy ! Total flux subtracted in 200 components = 0.0244019 Jy ! Clean residual min=-0.002633 max=0.005638 Jy/beam ! Clean residual mean=-0.000007 rms=0.000747 Jy/beam ! Combined flux in latest and established models = 0.177359 Jy ! Performing phase self-cal ! Adding 43 model components to the UV plane model. ! The established model now contains 68 components and 0.177359 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.063555Jy sigma=1.250988 ! Fit after self-cal, rms=0.063442Jy sigma=1.247972 ! Inverting map ! Added new window around map position (-2, -0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00441747 Jy ! Component: 100 - total flux cleaned = 0.00753719 Jy ! Component: 150 - total flux cleaned = 0.00985808 Jy ! Component: 200 - total flux cleaned = 0.0111243 Jy ! Total flux subtracted in 200 components = 0.0111243 Jy ! Clean residual min=-0.002441 max=0.002570 Jy/beam ! Clean residual mean=-0.000004 rms=0.000579 Jy/beam ! Combined flux in latest and established models = 0.188483 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 85 components and 0.188484 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.063048Jy sigma=1.238237 ! Fit after self-cal, rms=0.063032Jy sigma=1.237959 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8187 x 2.023 at -1.887 degrees (North through East) ! Clean map min=-0.0023477 max=0.12431 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.00 HN 0.95 KP 1.01 ! LA 0.96 MK 1.04 NL 1.09 OV 0.96 ! PT 0.98 SC 1.01 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.01 HN 0.98 KP 1.01 ! LA 0.95 MK 1.03 NL 1.10 OV 0.96 ! PT 1.00 SC 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.00 HN 1.00 KP 1.02 ! LA 0.97 MK 1.04 NL 1.09 OV 0.94 ! PT 1.01 SC 0.99 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.01 HN 0.98 KP 1.01 ! LA 0.96 MK 1.04 NL 1.11 OV 0.95 ! PT 0.99 SC 0.99 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.01 HN 0.93 KP 1.00 ! LA 0.97 MK 1.01 NL 1.10 OV 0.95 ! PT 0.98 SC 0.98 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.01 HN 0.97 KP 0.99 ! LA 0.95 MK 1.03 NL 1.09 OV 0.95 ! PT 0.99 SC 1.00 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.99 HN 0.97 KP 0.99 ! LA 0.96 MK 1.04 NL 1.10 OV 0.94 ! PT 1.01 SC 0.99 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.00 HN 0.96 KP 0.98 ! LA 0.96 MK 1.04 NL 1.08 OV 0.95 ! PT 0.97 SC 1.00 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.01 HN 0.99 KP 1.00 ! LA 0.96 MK 0.99 NL 1.10 OV 0.93 ! PT 0.99 SC 1.00 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.01 HN 0.94 KP 1.00 ! LA 0.94 MK 1.01 NL 1.08 OV 0.96 ! PT 0.99 SC 1.00 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.00 HN 0.97 KP 1.01 ! LA 0.96 MK 1.00 NL 1.09 OV 0.95 ! PT 0.99 SC 0.99 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.02 HN 0.97 KP 0.96 ! LA 0.94 MK 0.96 NL 1.08 OV 0.93 ! PT 1.00 SC 0.99 ! ! ! Fit before self-cal, rms=0.063032Jy sigma=1.237959 ! Fit after self-cal, rms=0.062211Jy sigma=1.226455 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8199 mas, bmaj=2.035 mas, bpa=-1.654 degrees ! Estimated noise=0.160169 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 (3.8, -1.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00168416 Jy ! Component: 100 - total flux cleaned = 0.00197506 Jy ! Component: 150 - total flux cleaned = 0.00202316 Jy ! Component: 200 - total flux cleaned = 0.00202302 Jy ! Total flux subtracted in 200 components = 0.00202302 Jy ! Clean residual min=-0.001735 max=0.002053 Jy/beam ! Clean residual mean=-0.000000 rms=0.000370 Jy/beam ! Combined flux in latest and established models = 0.190507 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 105 components and 0.190507 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.062105Jy sigma=1.224238 ! Fit after self-cal, rms=0.062119Jy sigma=1.224011 ! Inverting map ! Added new window around map position (11, -2.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00177968 Jy ! Component: 100 - total flux cleaned = 0.00235783 Jy ! Component: 150 - total flux cleaned = 0.00261907 Jy ! Component: 200 - total flux cleaned = 0.00268643 Jy ! Total flux subtracted in 200 components = 0.00268643 Jy ! Clean residual min=-0.001573 max=0.001271 Jy/beam ! Clean residual mean=0.000000 rms=0.000339 Jy/beam ! Combined flux in latest and established models = 0.193193 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 124 components and 0.193193 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.062052Jy sigma=1.222551 ! Fit after self-cal, rms=0.062051Jy sigma=1.222506 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.062051Jy sigma=1.222506 ! Fit after self-cal, rms=0.062121Jy sigma=1.219793 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8193 mas, bmaj=2.032 mas, bpa=-1.687 degrees ! Estimated noise=0.160203 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000485443 Jy ! Component: 100 - total flux cleaned = -0.000519402 Jy ! Component: 150 - total flux cleaned = -0.000489515 Jy ! Component: 200 - total flux cleaned = -0.000409527 Jy ! Total flux subtracted in 200 components = -0.000409527 Jy ! Clean residual min=-0.001375 max=0.001136 Jy/beam ! Clean residual mean=0.000001 rms=0.000277 Jy/beam ! Combined flux in latest and established models = 0.192783 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 135 components and 0.192783 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.062090Jy sigma=1.219161 ! Fit after self-cal, rms=0.062095Jy sigma=1.219132 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 = -2.94433e-05 Jy ! Component: 100 - total flux cleaned = 1.75149e-05 Jy ! Component: 150 - total flux cleaned = 0.000103036 Jy ! Component: 200 - total flux cleaned = 0.000162721 Jy ! Total flux subtracted in 200 components = 0.000162721 Jy ! Clean residual min=-0.001304 max=0.001074 Jy/beam ! Clean residual mean=0.000001 rms=0.000271 Jy/beam ! Combined flux in latest and established models = 0.192946 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 145 components and 0.192946 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.062080Jy sigma=1.218836 ! Fit after self-cal, rms=0.062080Jy sigma=1.218826 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.062080Jy sigma=1.218826 ! Fit after self-cal, rms=0.061962Jy sigma=1.217266 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8189 mas, bmaj=2.03 mas, bpa=-1.712 degrees ! Estimated noise=0.159984 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000492541 Jy ! Component: 100 - total flux cleaned = -0.000572036 Jy ! Component: 150 - total flux cleaned = -0.000573112 Jy ! Component: 200 - total flux cleaned = -0.000572708 Jy ! Total flux subtracted in 200 components = -0.000572708 Jy ! Clean residual min=-0.001034 max=0.001063 Jy/beam ! Clean residual mean=0.000001 rms=0.000244 Jy/beam ! Combined flux in latest and established models = 0.192373 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 155 components and 0.192373 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.061943Jy sigma=1.216901 ! Fit after self-cal, rms=0.061947Jy sigma=1.216882 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 (1.2, 15.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000932478 Jy ! Component: 100 - total flux cleaned = 0.00113271 Jy ! Component: 150 - total flux cleaned = 0.00123047 Jy ! Component: 200 - total flux cleaned = 0.00128453 Jy ! Total flux subtracted in 200 components = 0.00128453 Jy ! Clean residual min=-0.001010 max=0.000972 Jy/beam ! Clean residual mean=0.000001 rms=0.000236 Jy/beam ! Combined flux in latest and established models = 0.193658 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 175 components and 0.193658 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.061927Jy sigma=1.216497 ! Fit after self-cal, rms=0.061928Jy sigma=1.216484 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.061928Jy sigma=1.216484 ! Fit after self-cal, rms=0.061811Jy sigma=1.216398 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.145 mas, bmaj=4.401 mas, bpa=3.121 degrees ! Estimated noise=0.206333 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000344421 Jy ! Component: 100 - total flux cleaned = -0.000431479 Jy ! Component: 150 - total flux cleaned = -0.000449576 Jy ! Component: 200 - total flux cleaned = -0.000465916 Jy ! Total flux subtracted in 200 components = -0.000465916 Jy ! Clean residual min=-0.001170 max=0.001024 Jy/beam ! Clean residual mean=0.000002 rms=0.000306 Jy/beam ! Combined flux in latest and established models = 0.193192 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 186 components and 0.193192 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.061806Jy sigma=1.216302 ! Fit after self-cal, rms=0.061805Jy sigma=1.216286 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.23719e-05 Jy ! Component: 100 - total flux cleaned = -4.72161e-05 Jy ! Component: 150 - total flux cleaned = -7.55657e-05 Jy ! Component: 200 - total flux cleaned = -0.000102149 Jy ! Total flux subtracted in 200 components = -0.000102149 Jy ! Clean residual min=-0.001151 max=0.001034 Jy/beam ! Clean residual mean=0.000002 rms=0.000300 Jy/beam ! Combined flux in latest and established models = 0.19309 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 195 components and 0.19309 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.061803Jy sigma=1.216236 ! Fit after self-cal, rms=0.061803Jy sigma=1.216230 ! 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=0.8185 mas, bmaj=2.029 mas, bpa=-1.697 degrees ! Estimated noise=0.159832 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8185 x 2.029 at -1.697 degrees (North through East) ! Clean map min=-0.0014651 max=0.12469 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=0.6336 mas, bmaj=1.643 mas, bpa=-2.359 degrees ! Estimated noise=0.343169 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0932167 Jy ! Component: 100 - total flux cleaned = 0.117722 Jy ! Component: 150 - total flux cleaned = 0.132107 Jy ! Component: 200 - total flux cleaned = 0.142331 Jy ! Total flux subtracted in 200 components = 0.142331 Jy ! Clean residual min=-0.003206 max=0.005803 Jy/beam ! Clean residual mean=-0.000006 rms=0.000792 Jy/beam ! Combined flux in latest and established models = 0.142331 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 20 model components to the UV plane model. ! The established model now contains 20 components and 0.142331 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8185 mas, bmaj=2.029 mas, bpa=-1.697 degrees ! Estimated noise=0.159832 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 = 0.0135006 Jy ! Component: 100 - total flux cleaned = 0.02159 Jy ! Component: 150 - total flux cleaned = 0.0269047 Jy ! Component: 200 - total flux cleaned = 0.0306719 Jy ! Total flux subtracted in 200 components = 0.0306719 Jy ! Clean residual min=-0.001462 max=0.002295 Jy/beam ! Clean residual mean=-0.000004 rms=0.000451 Jy/beam ! Combined flux in latest and established models = 0.173003 Jy ! Adding 54 model components to the UV plane model. ! The established model now contains 68 components and 0.173003 Jy ! Inverting map ! Added new window around map position (-7, 16). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00286679 Jy ! Component: 100 - total flux cleaned = 0.00519516 Jy ! Component: 150 - total flux cleaned = 0.00714943 Jy ! Component: 200 - total flux cleaned = 0.00882306 Jy ! Total flux subtracted in 200 components = 0.00882306 Jy ! Clean residual min=-0.001192 max=0.001413 Jy/beam ! Clean residual mean=-0.000002 rms=0.000307 Jy/beam ! Combined flux in latest and established models = 0.181826 Jy ! Adding 46 model components to the UV plane model. ! The established model now contains 98 components and 0.181826 Jy ! Inverting map ! Added new window around map position (9.8, -17.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0015504 Jy ! Component: 100 - total flux cleaned = 0.00283723 Jy ! Component: 150 - total flux cleaned = 0.00396723 Jy ! Component: 200 - total flux cleaned = 0.0048115 Jy ! Total flux subtracted in 200 components = 0.0048115 Jy ! Clean residual min=-0.001092 max=0.000982 Jy/beam ! Clean residual mean=-0.000001 rms=0.000253 Jy/beam ! Combined flux in latest and established models = 0.186638 Jy ! Adding 46 model components to the UV plane model. ! The established model now contains 118 components and 0.186638 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=2.145 mas, bmaj=4.401 mas, bpa=3.121 degrees ! Estimated noise=0.206333 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00147275 Jy ! Component: 100 - total flux cleaned = 0.00256503 Jy ! Component: 150 - total flux cleaned = 0.00332753 Jy ! Component: 200 - total flux cleaned = 0.00383526 Jy ! Total flux subtracted in 200 components = 0.00383526 Jy ! Clean residual min=-0.001134 max=0.001084 Jy/beam ! Clean residual mean=0.000000 rms=0.000302 Jy/beam ! Combined flux in latest and established models = 0.190473 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 = 0.000295086 Jy ! Component: 100 - total flux cleaned = 0.000492479 Jy ! Component: 150 - total flux cleaned = 0.000653407 Jy ! Component: 200 - total flux cleaned = 0.000784063 Jy ! Total flux subtracted in 200 components = 0.000784063 Jy ! Clean residual min=-0.001064 max=0.000996 Jy/beam ! Clean residual mean=0.000001 rms=0.000286 Jy/beam ! Combined flux in latest and established models = 0.191257 Jy ! Adding 64 model components to the UV plane model. ! The established model now contains 168 components and 0.191257 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8185 mas, bmaj=2.029 mas, bpa=-1.697 degrees ! Estimated noise=0.159832 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000306178 Jy ! Component: 100 - total flux cleaned = 0.000478375 Jy ! Component: 150 - total flux cleaned = 0.000565311 Jy ! Component: 200 - total flux cleaned = 0.000585047 Jy ! Total flux subtracted in 200 components = 0.000585047 Jy ! Clean residual min=-0.000911 max=0.000958 Jy/beam ! Clean residual mean=0.000000 rms=0.000216 Jy/beam ! Combined flux in latest and established models = 0.191842 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 187 components and 0.191842 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.061788Jy sigma=1.215975 ! Fit after self-cal, rms=0.061779Jy sigma=1.215839 wmodel J0521-1737_X_map.mod ! Writing 187 model components to file: J0521-1737_X_map.mod wobs J0521-1737_X_uvs.fits ! Writing UV FITS file: J0521-1737_X_uvs.fits wwins J0521-1737_X_map.win ! wwins: Wrote 10 windows to J0521-1737_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 = -0.000119883 Jy ! Component: 100 - total flux cleaned = -0.000216189 Jy ! Component: 150 - total flux cleaned = -0.000323681 Jy ! Component: 200 - total flux cleaned = -0.000382633 Jy ! Component: 250 - total flux cleaned = -0.000425666 Jy ! Component: 300 - total flux cleaned = -0.000453365 Jy ! Component: 350 - total flux cleaned = -0.000480607 Jy ! Component: 400 - total flux cleaned = -0.000520621 Jy ! Component: 450 - total flux cleaned = -0.000546804 Jy ! Component: 500 - total flux cleaned = -0.000572467 Jy ! Component: 550 - total flux cleaned = -0.000648299 Jy ! Component: 600 - total flux cleaned = -0.000710593 Jy ! Component: 650 - total flux cleaned = -0.000759581 Jy ! Component: 700 - total flux cleaned = -0.000855881 Jy ! Component: 750 - total flux cleaned = -0.000927018 Jy ! Component: 800 - total flux cleaned = -0.0010204 Jy ! Component: 850 - total flux cleaned = -0.00110117 Jy ! Component: 900 - total flux cleaned = -0.00118082 Jy ! Component: 950 - total flux cleaned = -0.00124832 Jy ! Component: 1000 - total flux cleaned = -0.00132587 Jy ! Component: 1050 - total flux cleaned = -0.00132591 Jy ! Component: 1100 - total flux cleaned = -0.00134772 Jy ! Component: 1150 - total flux cleaned = -0.00142318 Jy ! Component: 1200 - total flux cleaned = -0.00145503 Jy ! Component: 1250 - total flux cleaned = -0.00150766 Jy ! Component: 1300 - total flux cleaned = -0.00150774 Jy ! Component: 1350 - total flux cleaned = -0.00155928 Jy ! Component: 1400 - total flux cleaned = -0.00156958 Jy ! Component: 1450 - total flux cleaned = -0.00155951 Jy ! Component: 1500 - total flux cleaned = -0.0016296 Jy ! Component: 1550 - total flux cleaned = -0.00161968 Jy ! Component: 1600 - total flux cleaned = -0.00159998 Jy ! Component: 1650 - total flux cleaned = -0.00165837 Jy ! Component: 1700 - total flux cleaned = -0.00162937 Jy ! Component: 1750 - total flux cleaned = -0.00161979 Jy ! Component: 1800 - total flux cleaned = -0.00165776 Jy ! Component: 1850 - total flux cleaned = -0.00168591 Jy ! Component: 1900 - total flux cleaned = -0.00164843 Jy ! Component: 1950 - total flux cleaned = -0.0016578 Jy ! Component: 2000 - total flux cleaned = -0.00165782 Jy ! Component: 2050 - total flux cleaned = -0.00167602 Jy ! Component: 2100 - total flux cleaned = -0.00170322 Jy ! Component: 2150 - total flux cleaned = -0.00164908 Jy ! Component: 2200 - total flux cleaned = -0.00167593 Jy ! Component: 2250 - total flux cleaned = -0.00167592 Jy ! Component: 2300 - total flux cleaned = -0.001676 Jy ! Component: 2350 - total flux cleaned = -0.00170224 Jy ! Component: 2400 - total flux cleaned = -0.00169339 Jy ! Component: 2450 - total flux cleaned = -0.0016762 Jy ! Component: 2500 - total flux cleaned = -0.00166773 Jy ! Component: 2550 - total flux cleaned = -0.00169336 Jy ! Component: 2600 - total flux cleaned = -0.00166806 Jy ! Component: 2650 - total flux cleaned = -0.00172674 Jy ! Component: 2700 - total flux cleaned = -0.00171 Jy ! Component: 2750 - total flux cleaned = -0.00171001 Jy ! Component: 2800 - total flux cleaned = -0.00169346 Jy ! Component: 2850 - total flux cleaned = -0.00170977 Jy ! Component: 2900 - total flux cleaned = -0.00170166 Jy ! Component: 2950 - total flux cleaned = -0.00171776 Jy ! Component: 3000 - total flux cleaned = -0.00170971 Jy ! Component: 3050 - total flux cleaned = -0.00173357 Jy ! Component: 3100 - total flux cleaned = -0.00170988 Jy ! Component: 3150 - total flux cleaned = -0.00175721 Jy ! Component: 3200 - total flux cleaned = -0.0017729 Jy ! Component: 3250 - total flux cleaned = -0.00174178 Jy ! Component: 3300 - total flux cleaned = -0.00174182 Jy ! Component: 3350 - total flux cleaned = -0.00176489 Jy ! Component: 3400 - total flux cleaned = -0.00173432 Jy ! Component: 3450 - total flux cleaned = -0.00174191 Jy ! Component: 3500 - total flux cleaned = -0.00179482 Jy ! Component: 3550 - total flux cleaned = -0.00174221 Jy ! Component: 3600 - total flux cleaned = -0.0017795 Jy ! Component: 3650 - total flux cleaned = -0.00177202 Jy ! Component: 3700 - total flux cleaned = -0.00173499 Jy ! Component: 3750 - total flux cleaned = -0.00173498 Jy ! Component: 3800 - total flux cleaned = -0.0017057 Jy ! Component: 3850 - total flux cleaned = -0.00166202 Jy ! Component: 3900 - total flux cleaned = -0.00169096 Jy ! Component: 3950 - total flux cleaned = -0.00168381 Jy ! Component: 4000 - total flux cleaned = -0.00166222 Jy ! Component: 4050 - total flux cleaned = -0.001655 Jy ! Total flux subtracted in 4096 components = -0.00165497 Jy ! Clean residual min=-0.000393 max=0.000388 Jy/beam ! Clean residual mean=0.000000 rms=0.000125 Jy/beam ! Combined flux in latest and established models = 0.190187 Jy keep ! Adding 312 model components to the UV plane model. ! The established model now contains 499 components and 0.190187 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0521-1737_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8185 x 2.029 at -1.697 degrees (North through East) ! Clean map min=-0.00067057 max=0.12552 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0521-1737_X_map.fits wmodel /vlbi/uf001/uva//J0521-1737_X_map.mod ! Writing 499 model components to file: /vlbi/uf001/uva//J0521-1737_X_map.mod wobs /vlbi/uf001/uva//J0521-1737_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0521-1737_X_uvs.fits wwins /vlbi/uf001/uva//J0521-1737_X_map.win ! wwins: Wrote 11 windows to /vlbi/uf001/uva//J0521-1737_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.125516 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000124071 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.296547 0.296547 0.593095 1.18619 2.37238 4.74476 9.48952 18.979 37.9581 75.9161 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.125 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1011.64 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0521-1737_X_dfm.log closed on Sun Jan 13 22:34:54 2019