! Started logfile: /vlbi/uf001/uva//J1937+3607_X_dfm.log on Mon Jan 14 05:10:08 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//J1937+3607_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1937+3607_X_uva.fits ! AN table 1: 57 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.786745 visibilities/baseline/integration-bin. ! Found source: J1937+3607 ! ! 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 24216 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 J1937+3607_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 116 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 116 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 116 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 116 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 116 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 116 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 116 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 116 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 116 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 116 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 116 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 116 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.007519Jy sigma=25.189503 ! Fit after self-cal, rms=0.879815Jy sigma=21.939986 ! 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=0.7632 mas, bmaj=1.262 mas, bpa=-10.61 degrees ! Estimated noise=0.383974 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 = 0.0891616 Jy ! Component: 100 - total flux cleaned = 0.115721 Jy ! Total flux subtracted in 100 components = 0.115721 Jy ! Clean residual min=-0.005897 max=0.019556 Jy/beam ! Clean residual mean=0.000006 rms=0.001653 Jy/beam ! Combined flux in latest and established models = 0.115721 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 0.115721 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=0.066393Jy sigma=1.579824 ! Fit after self-cal, rms=0.066277Jy sigma=1.577830 ! Inverting map ! Added new window around map position (0.2, 1.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0178896 Jy ! Component: 100 - total flux cleaned = 0.0277442 Jy ! Total flux subtracted in 100 components = 0.0277442 Jy ! Clean residual min=-0.004413 max=0.007623 Jy/beam ! Clean residual mean=0.000004 rms=0.001147 Jy/beam ! Combined flux in latest and established models = 0.143465 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 23 components and 0.143465 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=0.059753Jy sigma=1.395701 ! Fit after self-cal, rms=0.059386Jy sigma=1.387352 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0081259 Jy ! Component: 100 - total flux cleaned = 0.0136645 Jy ! Total flux subtracted in 100 components = 0.0136645 Jy ! Clean residual min=-0.003945 max=0.006383 Jy/beam ! Clean residual mean=0.000003 rms=0.000966 Jy/beam ! Combined flux in latest and established models = 0.15713 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 37 components and 0.15713 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=0.057608Jy sigma=1.335795 ! Fit after self-cal, rms=0.057528Jy sigma=1.333913 ! Inverting map ! Added new window around map position (1.8, 0.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00598704 Jy ! Component: 100 - total flux cleaned = 0.0103423 Jy ! Total flux subtracted in 100 components = 0.0103423 Jy ! Clean residual min=-0.003532 max=0.004381 Jy/beam ! Clean residual mean=0.000002 rms=0.000868 Jy/beam ! Combined flux in latest and established models = 0.167472 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 50 components and 0.167472 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=0.056552Jy sigma=1.307838 ! Fit after self-cal, rms=0.056505Jy sigma=1.306522 ! 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=0.9354 mas, bmaj=1.537 mas, bpa=-8.181 degrees ! Estimated noise=0.196268 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 (-1.2, 1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00687779 Jy ! Component: 100 - total flux cleaned = 0.01191 Jy ! Component: 150 - total flux cleaned = 0.0158476 Jy ! Component: 200 - total flux cleaned = 0.0189863 Jy ! Total flux subtracted in 200 components = 0.0189863 Jy ! Clean residual min=-0.003085 max=0.003576 Jy/beam ! Clean residual mean=-0.000004 rms=0.000753 Jy/beam ! Combined flux in latest and established models = 0.186458 Jy ! Performing phase self-cal ! Adding 44 model components to the UV plane model. ! The established model now contains 82 components and 0.186458 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=0.055326Jy sigma=1.275428 ! Fit after self-cal, rms=0.055302Jy sigma=1.274617 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9354 x 1.537 at -8.181 degrees (North through East) ! Clean map min=-0.0028676 max=0.11824 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.97 HN 0.94 KP 1.01 ! LA 0.99 MK 1.06 NL 1.02 OV 0.89 ! PT 0.91 SC 1.10 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.99 HN 0.96 KP 1.01 ! LA 0.99 MK 1.03 NL 1.04 OV 0.91 ! PT 0.89 SC 1.04 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.98 HN 0.95 KP 1.01 ! LA 0.99 MK 1.03 NL 1.00 OV 0.90 ! PT 0.91 SC 1.09 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.98 HN 0.97 KP 1.02 ! LA 0.99 MK 1.03 NL 1.01 OV 0.90 ! PT 0.90 SC 1.10 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.98 HN 0.97 KP 1.02 ! LA 0.99 MK 1.04 NL 1.04 OV 0.87 ! PT 0.89 SC 1.06 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.98 HN 0.94 KP 1.00 ! LA 0.99 MK 1.00 NL 1.05 OV 0.91 ! PT 0.91 SC 1.04 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.03 HN 0.96 KP 1.03 ! LA 0.98 MK 1.05 NL 1.02 OV 0.91 ! PT 0.91 SC 1.06 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.02 HN 0.97 KP 1.02 ! LA 0.99 MK 1.06 NL 1.04 OV 0.88 ! PT 0.88 SC 1.12 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.97 HN 0.95 KP 1.01 ! LA 0.97 MK 1.02 NL 1.01 OV 0.91 ! PT 0.92 SC 1.10 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.97 HN 0.95 KP 1.04 ! LA 1.01 MK 1.04 NL 1.05 OV 0.90 ! PT 0.92 SC 1.10 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.98 HN 0.94 KP 1.02 ! LA 1.00 MK 1.02 NL 1.04 OV 0.89 ! PT 0.90 SC 1.12 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.98 HN 0.93 KP 1.02 ! LA 0.99 MK 0.99 NL 1.06 OV 0.91 ! PT 0.91 SC 1.08 ! ! ! Fit before self-cal, rms=0.055302Jy sigma=1.274617 ! Fit after self-cal, rms=0.054717Jy sigma=1.246318 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9514 mas, bmaj=1.564 mas, bpa=-9.238 degrees ! Estimated noise=0.195319 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 = -0.00172766 Jy ! Component: 100 - total flux cleaned = -0.00215168 Jy ! Component: 150 - total flux cleaned = -0.002188 Jy ! Component: 200 - total flux cleaned = -0.00221913 Jy ! Total flux subtracted in 200 components = -0.00221913 Jy ! Clean residual min=-0.001766 max=0.002058 Jy/beam ! Clean residual mean=-0.000001 rms=0.000446 Jy/beam ! Combined flux in latest and established models = 0.184239 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 99 components and 0.184239 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=0.054633Jy sigma=1.244838 ! Fit after self-cal, rms=0.054670Jy sigma=1.244479 ! 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=0.054670Jy sigma=1.244479 ! Fit after self-cal, rms=0.058013Jy sigma=1.231022 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9495 mas, bmaj=1.556 mas, bpa=-8.247 degrees ! Estimated noise=0.195437 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000999868 Jy ! Component: 100 - total flux cleaned = -0.00120561 Jy ! Component: 150 - total flux cleaned = -0.00141526 Jy ! Component: 200 - total flux cleaned = -0.00162381 Jy ! Total flux subtracted in 200 components = -0.00162381 Jy ! Clean residual min=-0.001164 max=0.001284 Jy/beam ! Clean residual mean=-0.000001 rms=0.000302 Jy/beam ! Combined flux in latest and established models = 0.182615 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 112 components and 0.182615 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=0.057967Jy sigma=1.229835 ! Fit after self-cal, rms=0.058020Jy sigma=1.229649 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 = -4.81647e-05 Jy ! Component: 100 - total flux cleaned = -0.000177348 Jy ! Component: 150 - total flux cleaned = -0.000293346 Jy ! Component: 200 - total flux cleaned = -0.000345309 Jy ! Total flux subtracted in 200 components = -0.000345309 Jy ! Clean residual min=-0.001190 max=0.001242 Jy/beam ! Clean residual mean=-0.000001 rms=0.000297 Jy/beam ! Combined flux in latest and established models = 0.18227 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 120 components and 0.18227 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=0.058005Jy sigma=1.229284 ! Fit after self-cal, rms=0.058005Jy sigma=1.229260 ! 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=0.058005Jy sigma=1.229260 ! Fit after self-cal, rms=0.058267Jy sigma=1.228992 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9493 mas, bmaj=1.554 mas, bpa=-8.136 degrees ! Estimated noise=0.195311 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000523436 Jy ! Component: 100 - total flux cleaned = -0.000731138 Jy ! Component: 150 - total flux cleaned = -0.000890961 Jy ! Component: 200 - total flux cleaned = -0.00103202 Jy ! Total flux subtracted in 200 components = -0.00103202 Jy ! Clean residual min=-0.001147 max=0.001179 Jy/beam ! Clean residual mean=-0.000000 rms=0.000285 Jy/beam ! Combined flux in latest and established models = 0.181238 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 124 components and 0.181238 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=0.058250Jy sigma=1.228538 ! Fit after self-cal, rms=0.058253Jy sigma=1.228521 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -9.26643e-06 Jy ! Component: 100 - total flux cleaned = -8.76712e-05 Jy ! Component: 150 - total flux cleaned = -0.000145158 Jy ! Component: 200 - total flux cleaned = -0.000172249 Jy ! Total flux subtracted in 200 components = -0.000172249 Jy ! Clean residual min=-0.001142 max=0.001170 Jy/beam ! Clean residual mean=-0.000000 rms=0.000283 Jy/beam ! Combined flux in latest and established models = 0.181066 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 125 components and 0.181066 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=0.058245Jy sigma=1.228333 ! Fit after self-cal, rms=0.058245Jy sigma=1.228320 ! 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=0.058245Jy sigma=1.228320 ! Fit after self-cal, rms=0.058362Jy sigma=1.228184 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.257 mas, bmaj=2.484 mas, bpa=-17.93 degrees ! Estimated noise=0.243948 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000700713 Jy ! Component: 100 - total flux cleaned = -0.000835619 Jy ! Component: 150 - total flux cleaned = -0.000910496 Jy ! Component: 200 - total flux cleaned = -0.000969108 Jy ! Total flux subtracted in 200 components = -0.000969108 Jy ! Clean residual min=-0.001416 max=0.001411 Jy/beam ! Clean residual mean=-0.000001 rms=0.000365 Jy/beam ! Combined flux in latest and established models = 0.180097 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 135 components and 0.180097 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=0.058357Jy sigma=1.228076 ! Fit after self-cal, rms=0.058358Jy sigma=1.228057 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 = -2.03054e-05 Jy ! Component: 100 - total flux cleaned = -3.56336e-05 Jy ! Component: 150 - total flux cleaned = -4.27808e-05 Jy ! Component: 200 - total flux cleaned = -3.08245e-05 Jy ! Total flux subtracted in 200 components = -3.08245e-05 Jy ! Clean residual min=-0.001412 max=0.001404 Jy/beam ! Clean residual mean=-0.000001 rms=0.000364 Jy/beam ! Combined flux in latest and established models = 0.180066 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 140 components and 0.180066 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=0.058357Jy sigma=1.228017 ! Fit after self-cal, rms=0.058357Jy sigma=1.228007 ! 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=0.9489 mas, bmaj=1.552 mas, bpa=-8.033 degrees ! Estimated noise=0.195177 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9489 x 1.552 at -8.033 degrees (North through East) ! Clean map min=-0.0010333 max=0.11721 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=0.7713 mas, bmaj=1.271 mas, bpa=-10.3 degrees ! Estimated noise=0.38585 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0890909 Jy ! Component: 100 - total flux cleaned = 0.118809 Jy ! Component: 150 - total flux cleaned = 0.135213 Jy ! Component: 200 - total flux cleaned = 0.144859 Jy ! Total flux subtracted in 200 components = 0.144859 Jy ! Clean residual min=-0.002909 max=0.005104 Jy/beam ! Clean residual mean=0.000003 rms=0.000817 Jy/beam ! Combined flux in latest and established models = 0.144859 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 0.144859 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9489 mas, bmaj=1.552 mas, bpa=-8.033 degrees ! Estimated noise=0.195177 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 = 0.00962149 Jy ! Component: 100 - total flux cleaned = 0.0158462 Jy ! Component: 150 - total flux cleaned = 0.0202829 Jy ! Component: 200 - total flux cleaned = 0.0236167 Jy ! Total flux subtracted in 200 components = 0.0236167 Jy ! Clean residual min=-0.001508 max=0.002328 Jy/beam ! Clean residual mean=-0.000002 rms=0.000418 Jy/beam ! Combined flux in latest and established models = 0.168475 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 56 components and 0.168475 Jy ! Inverting map ! Added new window around map position (1.2, 2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00263465 Jy ! Component: 100 - total flux cleaned = 0.00464814 Jy ! Component: 150 - total flux cleaned = 0.00622807 Jy ! Component: 200 - total flux cleaned = 0.00748276 Jy ! Total flux subtracted in 200 components = 0.00748276 Jy ! Clean residual min=-0.001234 max=0.001134 Jy/beam ! Clean residual mean=-0.000001 rms=0.000297 Jy/beam ! Combined flux in latest and established models = 0.175958 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 79 components and 0.175958 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=2.257 mas, bmaj=2.484 mas, bpa=-17.93 degrees ! Estimated noise=0.243948 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0016602 Jy ! Component: 100 - total flux cleaned = 0.00274749 Jy ! Component: 150 - total flux cleaned = 0.00349362 Jy ! Component: 200 - total flux cleaned = 0.00401186 Jy ! Total flux subtracted in 200 components = 0.00401186 Jy ! Clean residual min=-0.001310 max=0.001321 Jy/beam ! Clean residual mean=-0.000000 rms=0.000354 Jy/beam ! Combined flux in latest and established models = 0.17997 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 = 0.00036198 Jy ! Component: 100 - total flux cleaned = 0.000522113 Jy ! Component: 150 - total flux cleaned = 0.000621985 Jy ! Component: 200 - total flux cleaned = 0.000702294 Jy ! Total flux subtracted in 200 components = 0.000702294 Jy ! Clean residual min=-0.001282 max=0.001302 Jy/beam ! Clean residual mean=-0.000000 rms=0.000351 Jy/beam ! Combined flux in latest and established models = 0.180672 Jy ! Adding 64 model components to the UV plane model. ! The established model now contains 133 components and 0.180672 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9489 mas, bmaj=1.552 mas, bpa=-8.033 degrees ! Estimated noise=0.195177 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000203031 Jy ! Component: 100 - total flux cleaned = -0.000202891 Jy ! Component: 150 - total flux cleaned = -0.000171613 Jy ! Component: 200 - total flux cleaned = -0.000143392 Jy ! Total flux subtracted in 200 components = -0.000143392 Jy ! Clean residual min=-0.001138 max=0.001138 Jy/beam ! Clean residual mean=-0.000000 rms=0.000272 Jy/beam ! Combined flux in latest and established models = 0.180529 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 148 components and 0.180529 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=0.058341Jy sigma=1.227871 ! Fit after self-cal, rms=0.058332Jy sigma=1.227743 wmodel J1937+3607_X_map.mod ! Writing 148 model components to file: J1937+3607_X_map.mod wobs J1937+3607_X_uvs.fits ! Writing UV FITS file: J1937+3607_X_uvs.fits wwins J1937+3607_X_map.win ! wwins: Wrote 5 windows to J1937+3607_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 = -0.000216443 Jy ! Component: 100 - total flux cleaned = -0.000216256 Jy ! Component: 150 - total flux cleaned = -0.000272622 Jy ! Component: 200 - total flux cleaned = -0.000327337 Jy ! Component: 250 - total flux cleaned = -0.000485428 Jy ! Component: 300 - total flux cleaned = -0.000571217 Jy ! Component: 350 - total flux cleaned = -0.000738159 Jy ! Component: 400 - total flux cleaned = -0.000803473 Jy ! Component: 450 - total flux cleaned = -0.000883722 Jy ! Component: 500 - total flux cleaned = -0.000978109 Jy ! Component: 550 - total flux cleaned = -0.0010095 Jy ! Component: 600 - total flux cleaned = -0.00113178 Jy ! Component: 650 - total flux cleaned = -0.00114686 Jy ! Component: 700 - total flux cleaned = -0.00125076 Jy ! Component: 750 - total flux cleaned = -0.0013238 Jy ! Component: 800 - total flux cleaned = -0.00142434 Jy ! Component: 850 - total flux cleaned = -0.00142439 Jy ! Component: 900 - total flux cleaned = -0.00153712 Jy ! Component: 950 - total flux cleaned = -0.00162034 Jy ! Component: 1000 - total flux cleaned = -0.00167525 Jy ! Component: 1050 - total flux cleaned = -0.00171587 Jy ! Component: 1100 - total flux cleaned = -0.00179626 Jy ! Component: 1150 - total flux cleaned = -0.00178297 Jy ! Component: 1200 - total flux cleaned = -0.00186221 Jy ! Component: 1250 - total flux cleaned = -0.0019014 Jy ! Component: 1300 - total flux cleaned = -0.0019787 Jy ! Component: 1350 - total flux cleaned = -0.00197865 Jy ! Component: 1400 - total flux cleaned = -0.0019914 Jy ! Component: 1450 - total flux cleaned = -0.00209179 Jy ! Component: 1500 - total flux cleaned = -0.00209176 Jy ! Component: 1550 - total flux cleaned = -0.00211641 Jy ! Component: 1600 - total flux cleaned = -0.00220189 Jy ! Component: 1650 - total flux cleaned = -0.00220182 Jy ! Component: 1700 - total flux cleaned = -0.00227378 Jy ! Component: 1750 - total flux cleaned = -0.00232147 Jy ! Component: 1800 - total flux cleaned = -0.00235675 Jy ! Component: 1850 - total flux cleaned = -0.00235677 Jy ! Component: 1900 - total flux cleaned = -0.00241485 Jy ! Component: 1950 - total flux cleaned = -0.00248392 Jy ! Component: 2000 - total flux cleaned = -0.00252963 Jy ! Component: 2050 - total flux cleaned = -0.00251816 Jy ! Component: 2100 - total flux cleaned = -0.00255179 Jy ! Component: 2150 - total flux cleaned = -0.00256301 Jy ! Component: 2200 - total flux cleaned = -0.00258516 Jy ! Component: 2250 - total flux cleaned = -0.00261803 Jy ! Component: 2300 - total flux cleaned = -0.00261823 Jy ! Component: 2350 - total flux cleaned = -0.00262906 Jy ! Component: 2400 - total flux cleaned = -0.00261838 Jy ! Component: 2450 - total flux cleaned = -0.00263976 Jy ! Component: 2500 - total flux cleaned = -0.00268234 Jy ! Component: 2550 - total flux cleaned = -0.00270342 Jy ! Component: 2600 - total flux cleaned = -0.00270347 Jy ! Component: 2650 - total flux cleaned = -0.00270343 Jy ! Component: 2700 - total flux cleaned = -0.00271374 Jy ! Component: 2750 - total flux cleaned = -0.00273413 Jy ! Component: 2800 - total flux cleaned = -0.00271363 Jy ! Component: 2850 - total flux cleaned = -0.00268317 Jy ! Component: 2900 - total flux cleaned = -0.00267307 Jy ! Component: 2950 - total flux cleaned = -0.00266301 Jy ! Component: 3000 - total flux cleaned = -0.00265304 Jy ! Component: 3050 - total flux cleaned = -0.00262341 Jy ! Component: 3100 - total flux cleaned = -0.00260371 Jy ! Component: 3150 - total flux cleaned = -0.0025743 Jy ! Component: 3200 - total flux cleaned = -0.00258409 Jy ! Component: 3250 - total flux cleaned = -0.00252612 Jy ! Component: 3300 - total flux cleaned = -0.00258382 Jy ! Component: 3350 - total flux cleaned = -0.00257418 Jy ! Component: 3400 - total flux cleaned = -0.00254564 Jy ! Component: 3450 - total flux cleaned = -0.00253615 Jy ! Component: 3500 - total flux cleaned = -0.00250788 Jy ! Component: 3550 - total flux cleaned = -0.00253586 Jy ! Component: 3600 - total flux cleaned = -0.00252648 Jy ! Component: 3650 - total flux cleaned = -0.00248953 Jy ! Component: 3700 - total flux cleaned = -0.00247116 Jy ! Component: 3750 - total flux cleaned = -0.00254437 Jy ! Component: 3800 - total flux cleaned = -0.00252614 Jy ! Component: 3850 - total flux cleaned = -0.00253527 Jy ! Component: 3900 - total flux cleaned = -0.00257127 Jy ! Component: 3950 - total flux cleaned = -0.00254438 Jy ! Component: 4000 - total flux cleaned = -0.00257109 Jy ! Component: 4050 - total flux cleaned = -0.00257998 Jy ! Total flux subtracted in 4096 components = -0.00259765 Jy ! Clean residual min=-0.000485 max=0.000481 Jy/beam ! Clean residual mean=-0.000001 rms=0.000150 Jy/beam ! Combined flux in latest and established models = 0.177931 Jy keep ! Adding 315 model components to the UV plane model. ! The established model now contains 463 components and 0.177931 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1937+3607_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9489 x 1.552 at -8.033 degrees (North through East) ! Clean map min=-0.00076899 max=0.11789 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1937+3607_X_map.fits wmodel /vlbi/uf001/uva//J1937+3607_X_map.mod ! Writing 463 model components to file: /vlbi/uf001/uva//J1937+3607_X_map.mod wobs /vlbi/uf001/uva//J1937+3607_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1937+3607_X_uvs.fits wwins /vlbi/uf001/uva//J1937+3607_X_map.win ! wwins: Wrote 6 windows to /vlbi/uf001/uva//J1937+3607_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.117887 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000148798 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.378661 0.378661 0.757322 1.51464 3.02929 6.05858 12.1172 24.2343 48.4686 96.9372 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.117 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 792.265 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1937+3607_X_dfm.log closed on Mon Jan 14 05:10:14 2019