! Started logfile: /image_prod/ug002_uva//J1921+4333_X_dfm.log on Thu Mar 5 04:08:27 2020 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 /image_prod/ug002_uva//J1921+4333_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1921+4333_X_uva.fits ! AN table 1: 60 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.85 visibilities/baseline/integration-bin. ! Found source: J1921+4333 ! ! 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 22032 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 J1921+4333_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 40 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 40 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 40 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 40 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 40 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 40 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 40 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 40 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 40 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 40 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 40 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 40 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.003438Jy sigma=9.407300 ! Fit after self-cal, rms=0.937861Jy sigma=8.739867 ! 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=0.7343 mas, bmaj=1.261 mas, bpa=-13.32 degrees ! Estimated noise=1.01002 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 = 0.0438253 Jy ! Component: 100 - total flux cleaned = 0.0607035 Jy ! Total flux subtracted in 100 components = 0.0607035 Jy ! Clean residual min=-0.006764 max=0.017082 Jy/beam ! Clean residual mean=0.000003 rms=0.002085 Jy/beam ! Combined flux in latest and established models = 0.0607035 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.0607035 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=0.079830Jy sigma=0.726366 ! Fit after self-cal, rms=0.078580Jy sigma=0.716042 ! Inverting map ! Added new window around map position (-3.2, 1.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0173685 Jy ! Component: 100 - total flux cleaned = 0.0291413 Jy ! Total flux subtracted in 100 components = 0.0291413 Jy ! Clean residual min=-0.006448 max=0.012423 Jy/beam ! Clean residual mean=0.000001 rms=0.001721 Jy/beam ! Combined flux in latest and established models = 0.0898447 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 16 components and 0.0898448 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=0.072237Jy sigma=0.646427 ! Fit after self-cal, rms=0.070635Jy sigma=0.632779 ! Inverting map ! Added new window around map position (-2, 0.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0173538 Jy ! Component: 100 - total flux cleaned = 0.0277916 Jy ! Total flux subtracted in 100 components = 0.0277916 Jy ! Clean residual min=-0.005503 max=0.008330 Jy/beam ! Clean residual mean=-0.000001 rms=0.001354 Jy/beam ! Combined flux in latest and established models = 0.117636 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 25 components and 0.117636 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=0.064376Jy sigma=0.565293 ! Fit after self-cal, rms=0.063067Jy sigma=0.553460 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.013161 Jy ! Component: 100 - total flux cleaned = 0.0212882 Jy ! Total flux subtracted in 100 components = 0.0212882 Jy ! Clean residual min=-0.004499 max=0.007964 Jy/beam ! Clean residual mean=-0.000002 rms=0.001051 Jy/beam ! Combined flux in latest and established models = 0.138925 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 32 components and 0.138925 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=0.059197Jy sigma=0.511749 ! Fit after self-cal, rms=0.058643Jy sigma=0.507083 ! Inverting map ! Added new window around map position (1, -0.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0100094 Jy ! Component: 100 - total flux cleaned = 0.0164102 Jy ! Total flux subtracted in 100 components = 0.0164102 Jy ! Clean residual min=-0.004015 max=0.003980 Jy/beam ! Clean residual mean=-0.000002 rms=0.000838 Jy/beam ! Combined flux in latest and established models = 0.155335 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 37 components and 0.155335 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=0.056404Jy sigma=0.483437 ! Fit after self-cal, rms=0.056096Jy sigma=0.481357 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00648441 Jy ! Component: 100 - total flux cleaned = 0.00931974 Jy ! Total flux subtracted in 100 components = 0.00931974 Jy ! Clean residual min=-0.003593 max=0.003316 Jy/beam ! Clean residual mean=-0.000003 rms=0.000734 Jy/beam ! Combined flux in latest and established models = 0.164654 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 46 components and 0.164654 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=0.055120Jy sigma=0.471580 ! Fit after self-cal, rms=0.054989Jy sigma=0.470663 ! 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=0.9179 mas, bmaj=1.521 mas, bpa=-11.49 degrees ! Estimated noise=0.518632 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 = 0.00569663 Jy ! Component: 100 - total flux cleaned = 0.00910524 Jy ! Component: 150 - total flux cleaned = 0.0107677 Jy ! Component: 200 - total flux cleaned = 0.011841 Jy ! Total flux subtracted in 200 components = 0.011841 Jy ! Clean residual min=-0.002307 max=0.002665 Jy/beam ! Clean residual mean=-0.000013 rms=0.000594 Jy/beam ! Combined flux in latest and established models = 0.176495 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 54 components and 0.176495 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=0.054194Jy sigma=0.463431 ! Fit after self-cal, rms=0.054092Jy sigma=0.462782 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9179 x 1.521 at -11.49 degrees (North through East) ! Clean map min=-0.0023245 max=0.056113 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.07 HN 1.01 KP 1.06 ! LA 1.00 MK 1.03 OV 0.93 PT 0.90 ! SC 1.03 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.04 HN 0.99 KP 1.07 ! LA 1.03 MK 1.04 OV 0.93 PT 0.90 ! SC 0.93 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.04 HN 1.03 KP 1.01 ! LA 1.03 MK 1.09 OV 0.94 PT 0.90 ! SC 1.02 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.03 HN 1.00 KP 1.04 ! LA 1.00 MK 1.04 OV 0.92 PT 0.88 ! SC 0.98 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.03 HN 1.01 KP 1.03 ! LA 1.00 MK 1.09 OV 0.92 PT 0.87 ! SC 0.99 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.05 HN 1.00 KP 1.05 ! LA 1.02 MK 1.08 OV 0.94 PT 0.88 ! SC 0.99 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.06 HN 0.97 KP 1.02 ! LA 1.03 MK 1.12 OV 0.95 PT 0.89 ! SC 0.95 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.09 HN 0.98 KP 1.03 ! LA 1.02 MK 1.11 OV 0.93 PT 0.90 ! SC 1.00 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.02 HN 1.02 KP 1.06 ! LA 1.00 MK 1.04 OV 0.94 PT 0.88 ! SC 1.05 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.05 HN 1.07 KP 1.00 ! LA 1.06 MK 1.04 OV 0.90 PT 0.89 ! SC 1.11 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.07 HN 0.98 KP 1.08 ! LA 1.00 MK 0.96 OV 0.94 PT 0.89 ! SC 0.94 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.06 HN 1.07 KP 1.05 ! LA 1.03 MK 1.14 OV 0.89 PT 0.89 ! SC 0.85 ! ! ! Fit before self-cal, rms=0.054092Jy sigma=0.462782 ! Fit after self-cal, rms=0.053402Jy sigma=0.457625 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.929 mas, bmaj=1.529 mas, bpa=-10.64 degrees ! Estimated noise=0.51572 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 = -0.000642797 Jy ! Component: 100 - total flux cleaned = -0.000420387 Jy ! Component: 150 - total flux cleaned = -0.000226967 Jy ! Component: 200 - total flux cleaned = -4.33435e-06 Jy ! Total flux subtracted in 200 components = -4.33435e-06 Jy ! Clean residual min=-0.001462 max=0.001658 Jy/beam ! Clean residual mean=-0.000003 rms=0.000334 Jy/beam ! Combined flux in latest and established models = 0.176491 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 63 components and 0.176491 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=0.053197Jy sigma=0.455835 ! Fit after self-cal, rms=0.053166Jy sigma=0.455420 ! Inverting map ! Added new window around map position (-9.4, -0.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000831757 Jy ! Component: 100 - total flux cleaned = 0.000886406 Jy ! Component: 150 - total flux cleaned = 0.000935761 Jy ! Component: 200 - total flux cleaned = 0.00102834 Jy ! Total flux subtracted in 200 components = 0.00102834 Jy ! Clean residual min=-0.001341 max=0.001445 Jy/beam ! Clean residual mean=-0.000002 rms=0.000299 Jy/beam ! Combined flux in latest and established models = 0.177519 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 77 components and 0.177519 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=0.053051Jy sigma=0.454442 ! Fit after self-cal, rms=0.053024Jy sigma=0.454326 ! 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=0.053024Jy sigma=0.454326 ! Fit after self-cal, rms=0.052694Jy sigma=0.453010 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9281 mas, bmaj=1.508 mas, bpa=-10.21 degrees ! Estimated noise=0.511535 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 8.48996e-06 Jy ! Component: 100 - total flux cleaned = 9.2263e-05 Jy ! Component: 150 - total flux cleaned = 0.000203703 Jy ! Component: 200 - total flux cleaned = 0.000339424 Jy ! Total flux subtracted in 200 components = 0.000339424 Jy ! Clean residual min=-0.001186 max=0.001092 Jy/beam ! Clean residual mean=-0.000003 rms=0.000265 Jy/beam ! Combined flux in latest and established models = 0.177859 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 83 components and 0.177859 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=0.052633Jy sigma=0.452481 ! Fit after self-cal, rms=0.052625Jy sigma=0.452396 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000164514 Jy ! Component: 100 - total flux cleaned = 0.000197038 Jy ! Component: 150 - total flux cleaned = 0.000286033 Jy ! Component: 200 - total flux cleaned = 0.00036774 Jy ! Total flux subtracted in 200 components = 0.00036774 Jy ! Clean residual min=-0.001111 max=0.001055 Jy/beam ! Clean residual mean=-0.000003 rms=0.000253 Jy/beam ! Combined flux in latest and established models = 0.178227 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 86 components and 0.178227 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=0.052590Jy sigma=0.452096 ! Fit after self-cal, rms=0.052584Jy sigma=0.452069 ! 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=0.052584Jy sigma=0.452069 ! Fit after self-cal, rms=0.052294Jy sigma=0.452047 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9268 mas, bmaj=1.505 mas, bpa=-10.06 degrees ! Estimated noise=0.509161 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -7.19821e-05 Jy ! Component: 100 - total flux cleaned = 3.26941e-05 Jy ! Component: 150 - total flux cleaned = 0.000152088 Jy ! Component: 200 - total flux cleaned = 0.000195853 Jy ! Total flux subtracted in 200 components = 0.000195853 Jy ! Clean residual min=-0.001030 max=0.001013 Jy/beam ! Clean residual mean=-0.000003 rms=0.000242 Jy/beam ! Combined flux in latest and established models = 0.178422 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 91 components and 0.178422 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=0.052270Jy sigma=0.451844 ! Fit after self-cal, rms=0.052265Jy sigma=0.451826 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 = 8.18361e-05 Jy ! Component: 100 - total flux cleaned = 0.000145219 Jy ! Component: 150 - total flux cleaned = 0.000183709 Jy ! Component: 200 - total flux cleaned = 0.000220125 Jy ! Total flux subtracted in 200 components = 0.000220125 Jy ! Clean residual min=-0.000994 max=0.000995 Jy/beam ! Clean residual mean=-0.000003 rms=0.000237 Jy/beam ! Combined flux in latest and established models = 0.178643 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 96 components and 0.178643 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=0.052249Jy sigma=0.451699 ! Fit after self-cal, rms=0.052247Jy sigma=0.451691 ! 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=0.052247Jy sigma=0.451691 ! Fit after self-cal, rms=0.052057Jy sigma=0.451681 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.433 mas, bmaj=2.612 mas, bpa=10.63 degrees ! Estimated noise=0.643334 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000293397 Jy ! Component: 100 - total flux cleaned = 0.000391325 Jy ! Component: 150 - total flux cleaned = 0.00046911 Jy ! Component: 200 - total flux cleaned = 0.000508456 Jy ! Total flux subtracted in 200 components = 0.000508456 Jy ! Clean residual min=-0.001140 max=0.000916 Jy/beam ! Clean residual mean=-0.000007 rms=0.000272 Jy/beam ! Combined flux in latest and established models = 0.179151 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 107 components and 0.179151 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=0.052052Jy sigma=0.451642 ! Fit after self-cal, rms=0.052050Jy sigma=0.451638 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 = 7.13079e-05 Jy ! Component: 100 - total flux cleaned = 8.65823e-05 Jy ! Component: 150 - total flux cleaned = 0.000100851 Jy ! Component: 200 - total flux cleaned = 0.000127105 Jy ! Total flux subtracted in 200 components = 0.000127105 Jy ! Clean residual min=-0.001137 max=0.000916 Jy/beam ! Clean residual mean=-0.000007 rms=0.000271 Jy/beam ! Combined flux in latest and established models = 0.179278 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 108 components and 0.179278 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=0.052047Jy sigma=0.451616 ! Fit after self-cal, rms=0.052047Jy sigma=0.451612 ! 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=0.9265 mas, bmaj=1.504 mas, bpa=-9.985 degrees ! Estimated noise=0.507735 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9265 x 1.504 at -9.985 degrees (North through East) ! Clean map min=-0.00089047 max=0.053861 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=0.7431 mas, bmaj=1.241 mas, bpa=-11.38 degrees ! Estimated noise=0.988094 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0457245 Jy ! Component: 100 - total flux cleaned = 0.0754463 Jy ! Component: 150 - total flux cleaned = 0.0967253 Jy ! Component: 200 - total flux cleaned = 0.112589 Jy ! Total flux subtracted in 200 components = 0.112589 Jy ! Clean residual min=-0.004393 max=0.009249 Jy/beam ! Clean residual mean=0.000001 rms=0.001283 Jy/beam ! Combined flux in latest and established models = 0.112589 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 0.112589 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9265 mas, bmaj=1.504 mas, bpa=-9.985 degrees ! Estimated noise=0.507735 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 = 0.0190263 Jy ! Component: 100 - total flux cleaned = 0.0319461 Jy ! Component: 150 - total flux cleaned = 0.0408805 Jy ! Component: 200 - total flux cleaned = 0.0472727 Jy ! Total flux subtracted in 200 components = 0.0472727 Jy ! Clean residual min=-0.001922 max=0.003692 Jy/beam ! Clean residual mean=-0.000009 rms=0.000603 Jy/beam ! Combined flux in latest and established models = 0.159861 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 41 components and 0.159862 Jy ! Inverting map ! Added new window around map position (-1, -0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00466367 Jy ! Component: 100 - total flux cleaned = 0.00810106 Jy ! Component: 150 - total flux cleaned = 0.0106541 Jy ! Component: 200 - total flux cleaned = 0.0126104 Jy ! Total flux subtracted in 200 components = 0.0126104 Jy ! Clean residual min=-0.001203 max=0.001265 Jy/beam ! Clean residual mean=-0.000005 rms=0.000299 Jy/beam ! Combined flux in latest and established models = 0.172472 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 61 components and 0.172472 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=2.433 mas, bmaj=2.612 mas, bpa=10.63 degrees ! Estimated noise=0.643334 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00245018 Jy ! Component: 100 - total flux cleaned = 0.00390824 Jy ! Component: 150 - total flux cleaned = 0.00489674 Jy ! Component: 200 - total flux cleaned = 0.00559051 Jy ! Total flux subtracted in 200 components = 0.00559051 Jy ! Clean residual min=-0.001004 max=0.001089 Jy/beam ! Clean residual mean=-0.000008 rms=0.000274 Jy/beam ! Combined flux in latest and established models = 0.178062 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 = 0.000428313 Jy ! Component: 100 - total flux cleaned = 0.000576637 Jy ! Component: 150 - total flux cleaned = 0.000634479 Jy ! Component: 200 - total flux cleaned = 0.00068555 Jy ! Total flux subtracted in 200 components = 0.00068555 Jy ! Clean residual min=-0.001021 max=0.000990 Jy/beam ! Clean residual mean=-0.000008 rms=0.000264 Jy/beam ! Combined flux in latest and established models = 0.178748 Jy ! Adding 52 model components to the UV plane model. ! The established model now contains 100 components and 0.178748 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9265 mas, bmaj=1.504 mas, bpa=-9.985 degrees ! Estimated noise=0.507735 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.74891e-06 Jy ! Component: 100 - total flux cleaned = -0.000102371 Jy ! Component: 150 - total flux cleaned = -0.000239965 Jy ! Component: 200 - total flux cleaned = -0.000261431 Jy ! Total flux subtracted in 200 components = -0.000261431 Jy ! Clean residual min=-0.000955 max=0.001153 Jy/beam ! Clean residual mean=-0.000003 rms=0.000227 Jy/beam ! Combined flux in latest and established models = 0.178487 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 110 components and 0.178487 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=0.052048Jy sigma=0.451584 ! Fit after self-cal, rms=0.052031Jy sigma=0.451418 wmodel J1921+4333_X_map.mod ! Writing 110 model components to file: J1921+4333_X_map.mod wobs J1921+4333_X_uvs.fits ! Writing UV FITS file: J1921+4333_X_uvs.fits wwins J1921+4333_X_map.win ! wwins: Wrote 6 windows to J1921+4333_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 = 0.000254207 Jy ! Component: 100 - total flux cleaned = 0.000319649 Jy ! Component: 150 - total flux cleaned = 0.000381686 Jy ! Component: 200 - total flux cleaned = 0.000396556 Jy ! Component: 250 - total flux cleaned = 0.000367554 Jy ! Component: 300 - total flux cleaned = 0.000424297 Jy ! Component: 350 - total flux cleaned = 0.000521104 Jy ! Component: 400 - total flux cleaned = 0.000561637 Jy ! Component: 450 - total flux cleaned = 0.000641515 Jy ! Component: 500 - total flux cleaned = 0.000706658 Jy ! Component: 550 - total flux cleaned = 0.00078333 Jy ! Component: 600 - total flux cleaned = 0.000796045 Jy ! Component: 650 - total flux cleaned = 0.000796186 Jy ! Component: 700 - total flux cleaned = 0.000820651 Jy ! Component: 750 - total flux cleaned = 0.000784294 Jy ! Component: 800 - total flux cleaned = 0.000772658 Jy ! Component: 850 - total flux cleaned = 0.000760926 Jy ! Component: 900 - total flux cleaned = 0.000737787 Jy ! Component: 950 - total flux cleaned = 0.000726249 Jy ! Component: 1000 - total flux cleaned = 0.000681104 Jy ! Component: 1050 - total flux cleaned = 0.000714821 Jy ! Component: 1100 - total flux cleaned = 0.000703804 Jy ! Component: 1150 - total flux cleaned = 0.000681855 Jy ! Component: 1200 - total flux cleaned = 0.000692872 Jy ! Component: 1250 - total flux cleaned = 0.000692882 Jy ! Component: 1300 - total flux cleaned = 0.000660901 Jy ! Component: 1350 - total flux cleaned = 0.000724109 Jy ! Component: 1400 - total flux cleaned = 0.000703205 Jy ! Component: 1450 - total flux cleaned = 0.000692818 Jy ! Component: 1500 - total flux cleaned = 0.000672323 Jy ! Component: 1550 - total flux cleaned = 0.000672389 Jy ! Component: 1600 - total flux cleaned = 0.000632089 Jy ! Component: 1650 - total flux cleaned = 0.000612058 Jy ! Component: 1700 - total flux cleaned = 0.000602121 Jy ! Component: 1750 - total flux cleaned = 0.000582419 Jy ! Component: 1800 - total flux cleaned = 0.00057268 Jy ! Component: 1850 - total flux cleaned = 0.000543769 Jy ! Component: 1900 - total flux cleaned = 0.000543739 Jy ! Component: 1950 - total flux cleaned = 0.000534322 Jy ! Component: 2000 - total flux cleaned = 0.000506026 Jy ! Component: 2050 - total flux cleaned = 0.000552887 Jy ! Component: 2100 - total flux cleaned = 0.000543589 Jy ! Component: 2150 - total flux cleaned = 0.00052503 Jy ! Component: 2200 - total flux cleaned = 0.000561657 Jy ! Component: 2250 - total flux cleaned = 0.000534377 Jy ! Component: 2300 - total flux cleaned = 0.000561578 Jy ! Component: 2350 - total flux cleaned = 0.000561659 Jy ! Component: 2400 - total flux cleaned = 0.000597194 Jy ! Component: 2450 - total flux cleaned = 0.000597122 Jy ! Component: 2500 - total flux cleaned = 0.000605868 Jy ! Component: 2550 - total flux cleaned = 0.000623317 Jy ! Component: 2600 - total flux cleaned = 0.000606048 Jy ! Component: 2650 - total flux cleaned = 0.000649 Jy ! Component: 2700 - total flux cleaned = 0.000640352 Jy ! Component: 2750 - total flux cleaned = 0.000648769 Jy ! Component: 2800 - total flux cleaned = 0.000631897 Jy ! Component: 2850 - total flux cleaned = 0.000640192 Jy ! Component: 2900 - total flux cleaned = 0.000648479 Jy ! Component: 2950 - total flux cleaned = 0.00062374 Jy ! Component: 3000 - total flux cleaned = 0.000664777 Jy ! Component: 3050 - total flux cleaned = 0.000648535 Jy ! Component: 3100 - total flux cleaned = 0.00065662 Jy ! Component: 3150 - total flux cleaned = 0.000640495 Jy ! Component: 3200 - total flux cleaned = 0.000648465 Jy ! Component: 3250 - total flux cleaned = 0.000648446 Jy ! Component: 3300 - total flux cleaned = 0.000664206 Jy ! Component: 3350 - total flux cleaned = 0.000656466 Jy ! Component: 3400 - total flux cleaned = 0.000664313 Jy ! Component: 3450 - total flux cleaned = 0.00068764 Jy ! Component: 3500 - total flux cleaned = 0.000679959 Jy ! Component: 3550 - total flux cleaned = 0.00069535 Jy ! Component: 3600 - total flux cleaned = 0.000680086 Jy ! Component: 3650 - total flux cleaned = 0.000687742 Jy ! Component: 3700 - total flux cleaned = 0.000725558 Jy ! Component: 3750 - total flux cleaned = 0.000740569 Jy ! Component: 3800 - total flux cleaned = 0.000740646 Jy ! Component: 3850 - total flux cleaned = 0.000777682 Jy ! Component: 3900 - total flux cleaned = 0.000770234 Jy ! Component: 3950 - total flux cleaned = 0.000792319 Jy ! Component: 4000 - total flux cleaned = 0.000792315 Jy ! Component: 4050 - total flux cleaned = 0.000799569 Jy ! Total flux subtracted in 4096 components = 0.000799489 Jy ! Clean residual min=-0.000396 max=0.000384 Jy/beam ! Clean residual mean=-0.000001 rms=0.000121 Jy/beam ! Combined flux in latest and established models = 0.179286 Jy keep ! Adding 299 model components to the UV plane model. ! The established model now contains 409 components and 0.179286 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1921+4333_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9265 x 1.504 at -9.985 degrees (North through East) ! Clean map min=-0.0006041 max=0.052816 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1921+4333_X_map.fits wmodel /image_prod/ug002_uva//J1921+4333_X_map.mod ! Writing 409 model components to file: /image_prod/ug002_uva//J1921+4333_X_map.mod wobs /image_prod/ug002_uva//J1921+4333_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1921+4333_X_uvs.fits wwins /image_prod/ug002_uva//J1921+4333_X_map.win ! wwins: Wrote 7 windows to /image_prod/ug002_uva//J1921+4333_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.052816 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000120073 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.682027 0.682027 1.36405 2.72811 5.45621 10.9124 21.8249 43.6497 87.2994 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.052 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 439.865 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1921+4333_X_dfm.log closed on Thu Mar 5 04:08:32 2020