! Started logfile: /vlbi/uf001/uva//J2254+1341_X_dfm.log on Mon Jan 14 06:27:41 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//J2254+1341_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J2254+1341_X_uva.fits ! AN table 1: 42 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.959259 visibilities/baseline/integration-bin. ! Found source: J2254+1341 ! ! 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 21756 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 J2254+1341_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 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 69 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.044176Jy sigma=20.944459 ! Fit after self-cal, rms=0.748730Jy sigma=14.721093 ! 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=0.685 mas, bmaj=1.721 mas, bpa=-4.038 degrees ! Estimated noise=0.441311 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 = 0.195114 Jy ! Component: 100 - total flux cleaned = 0.247854 Jy ! Total flux subtracted in 100 components = 0.247854 Jy ! Clean residual min=-0.014054 max=0.032621 Jy/beam ! Clean residual mean=-0.000019 rms=0.003228 Jy/beam ! Combined flux in latest and established models = 0.247854 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.247854 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=0.106296Jy sigma=2.139064 ! Fit after self-cal, rms=0.105833Jy sigma=2.134214 ! Inverting map ! Added new window around map position (-0.2, -2.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0335907 Jy ! Component: 100 - total flux cleaned = 0.054365 Jy ! Total flux subtracted in 100 components = 0.054365 Jy ! Clean residual min=-0.011455 max=0.016261 Jy/beam ! Clean residual mean=-0.000011 rms=0.002490 Jy/beam ! Combined flux in latest and established models = 0.302219 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 15 components and 0.302219 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=0.091486Jy sigma=1.790441 ! Fit after self-cal, rms=0.090920Jy sigma=1.782479 ! Inverting map ! Added new window around map position (0.8, 2.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0169793 Jy ! Component: 100 - total flux cleaned = 0.028893 Jy ! Total flux subtracted in 100 components = 0.028893 Jy ! Clean residual min=-0.010328 max=0.012541 Jy/beam ! Clean residual mean=-0.000007 rms=0.002206 Jy/beam ! Combined flux in latest and established models = 0.331112 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 20 components and 0.331112 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=0.086906Jy sigma=1.673111 ! Fit after self-cal, rms=0.086836Jy sigma=1.672300 ! 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=0.8661 mas, bmaj=2.006 mas, bpa=-4.228 degrees ! Estimated noise=0.264772 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 = 0.014372 Jy ! Component: 100 - total flux cleaned = 0.024166 Jy ! Component: 150 - total flux cleaned = 0.0315265 Jy ! Component: 200 - total flux cleaned = 0.0371815 Jy ! Total flux subtracted in 200 components = 0.0371815 Jy ! Clean residual min=-0.012398 max=0.010985 Jy/beam ! Clean residual mean=-0.000009 rms=0.002569 Jy/beam ! Combined flux in latest and established models = 0.368293 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 41 components and 0.368293 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=0.084501Jy sigma=1.594545 ! Fit after self-cal, rms=0.084422Jy sigma=1.593272 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8661 x 2.006 at -4.228 degrees (North through East) ! Clean map min=-0.011814 max=0.26186 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.19 FD 1.05 HN 1.05 KP 1.04 ! LA 0.79 MK 0.96 NL 1.12 OV 0.98 ! PT 1.04 SC 0.98 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 1.03 HN 1.05 KP 1.05 ! LA 0.80 MK 0.99 NL 1.12 OV 0.97 ! PT 1.06 SC 0.97 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.17 FD 1.05 HN 1.05 KP 1.05 ! LA 0.80 MK 0.99 NL 1.13 OV 0.97 ! PT 1.06 SC 0.97 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.04 HN 1.04 KP 1.05 ! LA 0.80 MK 0.98 NL 1.14 OV 0.95 ! PT 1.02 SC 0.97 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.03 HN 1.01 KP 1.05 ! LA 0.81 MK 0.97 NL 1.12 OV 0.98 ! PT 1.07 SC 0.95 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.17 FD 1.04 HN 1.04 KP 1.05 ! LA 0.78 MK 0.98 NL 1.13 OV 0.94 ! PT 1.05 SC 0.98 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 1.04 HN 1.04 KP 1.04 ! LA 0.78 MK 0.96 NL 1.12 OV 0.96 ! PT 1.04 SC 0.95 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.04 HN 1.02 KP 1.05 ! LA 0.80 MK 0.94 NL 1.12 OV 0.95 ! PT 1.04 SC 0.97 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 1.06 HN 1.03 KP 1.03 ! LA 0.79 MK 0.95 NL 1.11 OV 0.95 ! PT 1.02 SC 0.95 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 1.02 HN 1.05 KP 1.05 ! LA 0.78 MK 0.94 NL 1.08 OV 0.95 ! PT 1.05 SC 0.92 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.06 HN 1.03 KP 1.05 ! LA 0.78 MK 0.96 NL 1.09 OV 0.96 ! PT 1.03 SC 0.93 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.16 FD 1.03 HN 1.05 KP 1.05 ! LA 0.78 MK 0.96 NL 1.11 OV 0.96 ! PT 1.08 SC 0.93 ! ! ! Fit before self-cal, rms=0.084422Jy sigma=1.593272 ! Fit after self-cal, rms=0.075996Jy sigma=1.348100 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8574 mas, bmaj=2.025 mas, bpa=-3.956 degrees ! Estimated noise=0.263012 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 = -0.00662464 Jy ! Component: 100 - total flux cleaned = -0.00865498 Jy ! Component: 150 - total flux cleaned = -0.00876707 Jy ! Component: 200 - total flux cleaned = -0.00894783 Jy ! Total flux subtracted in 200 components = -0.00894783 Jy ! Clean residual min=-0.005882 max=0.006644 Jy/beam ! Clean residual mean=0.000000 rms=0.001282 Jy/beam ! Combined flux in latest and established models = 0.359346 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 52 components and 0.359346 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=0.075294Jy sigma=1.335683 ! Fit after self-cal, rms=0.075511Jy sigma=1.334363 ! Inverting map ! Added new window around map position (0.6, -12.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00384028 Jy ! Component: 100 - total flux cleaned = 0.00327612 Jy ! Component: 150 - total flux cleaned = 0.0034974 Jy ! Component: 200 - total flux cleaned = 0.00359413 Jy ! Total flux subtracted in 200 components = 0.00359413 Jy ! Clean residual min=-0.005464 max=0.005614 Jy/beam ! Clean residual mean=0.000001 rms=0.001229 Jy/beam ! Combined flux in latest and established models = 0.36294 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 71 components and 0.36294 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=0.074884Jy sigma=1.323341 ! Fit after self-cal, rms=0.074849Jy sigma=1.322233 ! 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=0.074849Jy sigma=1.322233 ! Fit after self-cal, rms=0.075392Jy sigma=1.228938 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8597 mas, bmaj=2.037 mas, bpa=-3.987 degrees ! Estimated noise=0.266224 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.003461 Jy ! Component: 100 - total flux cleaned = -0.00476657 Jy ! Component: 150 - total flux cleaned = -0.00522936 Jy ! Component: 200 - total flux cleaned = -0.0054723 Jy ! Total flux subtracted in 200 components = -0.0054723 Jy ! Clean residual min=-0.002673 max=0.006643 Jy/beam ! Clean residual mean=-0.000003 rms=0.000632 Jy/beam ! Combined flux in latest and established models = 0.357468 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 83 components and 0.357467 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=0.075030Jy sigma=1.222662 ! Fit after self-cal, rms=0.075126Jy sigma=1.222290 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-0.4, -5.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00546538 Jy ! Component: 100 - total flux cleaned = 0.00590914 Jy ! Component: 150 - total flux cleaned = 0.00680749 Jy ! Component: 200 - total flux cleaned = 0.00772035 Jy ! Total flux subtracted in 200 components = 0.00772035 Jy ! Clean residual min=-0.001980 max=0.002341 Jy/beam ! Clean residual mean=-0.000002 rms=0.000483 Jy/beam ! Combined flux in latest and established models = 0.365188 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 102 components and 0.365188 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=0.074683Jy sigma=1.211368 ! Fit after self-cal, rms=0.074639Jy sigma=1.210399 ! Inverting map ! Added new window around map position (4.6, -14.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00203218 Jy ! Component: 100 - total flux cleaned = 0.00275989 Jy ! Component: 150 - total flux cleaned = 0.00304541 Jy ! Component: 200 - total flux cleaned = 0.00325769 Jy ! Total flux subtracted in 200 components = 0.00325769 Jy ! Clean residual min=-0.001852 max=0.001771 Jy/beam ! Clean residual mean=-0.000002 rms=0.000444 Jy/beam ! Combined flux in latest and established models = 0.368445 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 123 components and 0.368445 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=0.074527Jy sigma=1.208010 ! Fit after self-cal, rms=0.074520Jy sigma=1.207832 ! 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=0.074520Jy sigma=1.207832 ! Fit after self-cal, rms=0.075576Jy sigma=1.205746 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8582 mas, bmaj=2.038 mas, bpa=-3.914 degrees ! Estimated noise=0.265779 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00134952 Jy ! Component: 100 - total flux cleaned = -0.00210161 Jy ! Component: 150 - total flux cleaned = -0.00205103 Jy ! Component: 200 - total flux cleaned = -0.00200304 Jy ! Total flux subtracted in 200 components = -0.00200304 Jy ! Clean residual min=-0.001560 max=0.001558 Jy/beam ! Clean residual mean=-0.000002 rms=0.000388 Jy/beam ! Combined flux in latest and established models = 0.366442 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 128 components and 0.366442 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=0.075460Jy sigma=1.203812 ! Fit after self-cal, rms=0.075471Jy sigma=1.203736 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 = -5.61771e-05 Jy ! Component: 100 - total flux cleaned = 7.58552e-05 Jy ! Component: 150 - total flux cleaned = 0.000199339 Jy ! Component: 200 - total flux cleaned = 0.00023825 Jy ! Total flux subtracted in 200 components = 0.00023825 Jy ! Clean residual min=-0.001531 max=0.001525 Jy/beam ! Clean residual mean=-0.000002 rms=0.000376 Jy/beam ! Combined flux in latest and established models = 0.366681 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 138 components and 0.36668 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=0.075420Jy sigma=1.202862 ! Fit after self-cal, rms=0.075416Jy sigma=1.202836 ! 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=0.075416Jy sigma=1.202836 ! Fit after self-cal, rms=0.075667Jy sigma=1.202430 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.105 mas, bmaj=3.144 mas, bpa=-3.559 degrees ! Estimated noise=0.334817 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000361622 Jy ! Component: 100 - total flux cleaned = -0.000843791 Jy ! Component: 150 - total flux cleaned = -0.000952082 Jy ! Component: 200 - total flux cleaned = -0.00100042 Jy ! Total flux subtracted in 200 components = -0.00100042 Jy ! Clean residual min=-0.001602 max=0.001790 Jy/beam ! Clean residual mean=-0.000004 rms=0.000436 Jy/beam ! Combined flux in latest and established models = 0.36568 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 154 components and 0.36568 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=0.075641Jy sigma=1.201865 ! Fit after self-cal, rms=0.075642Jy sigma=1.201832 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 = -0.000108735 Jy ! Component: 100 - total flux cleaned = -0.00013092 Jy ! Component: 150 - total flux cleaned = -0.000130882 Jy ! Component: 200 - total flux cleaned = -0.000168292 Jy ! Total flux subtracted in 200 components = -0.000168292 Jy ! Clean residual min=-0.001586 max=0.001767 Jy/beam ! Clean residual mean=-0.000004 rms=0.000427 Jy/beam ! Combined flux in latest and established models = 0.365512 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 164 components and 0.365512 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=0.075631Jy sigma=1.201609 ! Fit after self-cal, rms=0.075628Jy sigma=1.201597 ! 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=0.8576 mas, bmaj=2.039 mas, bpa=-3.863 degrees ! Estimated noise=0.265464 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8576 x 2.039 at -3.863 degrees (North through East) ! Clean map min=-0.002113 max=0.2615 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=0.6751 mas, bmaj=1.74 mas, bpa=-3.651 degrees ! Estimated noise=0.445073 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.196664 Jy ! Component: 100 - total flux cleaned = 0.254013 Jy ! Component: 150 - total flux cleaned = 0.284968 Jy ! Component: 200 - total flux cleaned = 0.303382 Jy ! Total flux subtracted in 200 components = 0.303382 Jy ! Clean residual min=-0.004776 max=0.009640 Jy/beam ! Clean residual mean=-0.000010 rms=0.001108 Jy/beam ! Combined flux in latest and established models = 0.303382 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 12 model components to the UV plane model. ! The established model now contains 12 components and 0.303382 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8576 mas, bmaj=2.039 mas, bpa=-3.863 degrees ! Estimated noise=0.265464 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 = 0.0163917 Jy ! Component: 100 - total flux cleaned = 0.0271574 Jy ! Component: 150 - total flux cleaned = 0.0344862 Jy ! Component: 200 - total flux cleaned = 0.039521 Jy ! Total flux subtracted in 200 components = 0.039521 Jy ! Clean residual min=-0.002154 max=0.002800 Jy/beam ! Clean residual mean=-0.000006 rms=0.000576 Jy/beam ! Combined flux in latest and established models = 0.342903 Jy ! Adding 27 model components to the UV plane model. ! The established model now contains 33 components and 0.342903 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00363593 Jy ! Component: 100 - total flux cleaned = 0.00654099 Jy ! Component: 150 - total flux cleaned = 0.00891928 Jy ! Component: 200 - total flux cleaned = 0.0107519 Jy ! Total flux subtracted in 200 components = 0.0107519 Jy ! Clean residual min=-0.001818 max=0.001700 Jy/beam ! Clean residual mean=-0.000004 rms=0.000419 Jy/beam ! Combined flux in latest and established models = 0.353655 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 68 components and 0.353655 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=2.105 mas, bmaj=3.144 mas, bpa=-3.559 degrees ! Estimated noise=0.334817 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00289499 Jy ! Component: 100 - total flux cleaned = 0.00474326 Jy ! Component: 150 - total flux cleaned = 0.00613252 Jy ! Component: 200 - total flux cleaned = 0.0072364 Jy ! Total flux subtracted in 200 components = 0.0072364 Jy ! Clean residual min=-0.001869 max=0.001956 Jy/beam ! Clean residual mean=-0.000005 rms=0.000448 Jy/beam ! Combined flux in latest and established models = 0.360891 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) ! Added new window around map position (-10.2, -11). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00158345 Jy ! Component: 100 - total flux cleaned = 0.00233323 Jy ! Component: 150 - total flux cleaned = 0.00302911 Jy ! Component: 200 - total flux cleaned = 0.00359301 Jy ! Total flux subtracted in 200 components = 0.00359301 Jy ! Clean residual min=-0.001722 max=0.001531 Jy/beam ! Clean residual mean=-0.000005 rms=0.000406 Jy/beam ! Combined flux in latest and established models = 0.364484 Jy ! Adding 82 model components to the UV plane model. ! The established model now contains 139 components and 0.364484 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8576 mas, bmaj=2.039 mas, bpa=-3.863 degrees ! Estimated noise=0.265464 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000422927 Jy ! Component: 100 - total flux cleaned = 0.000596931 Jy ! Component: 150 - total flux cleaned = 0.000793369 Jy ! Component: 200 - total flux cleaned = 0.000977376 Jy ! Total flux subtracted in 200 components = 0.000977376 Jy ! Clean residual min=-0.001427 max=0.001493 Jy/beam ! Clean residual mean=-0.000002 rms=0.000342 Jy/beam ! Combined flux in latest and established models = 0.365462 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 165 components and 0.365462 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=0.075570Jy sigma=1.200931 ! Fit after self-cal, rms=0.075518Jy sigma=1.200518 wmodel J2254+1341_X_map.mod ! Writing 165 model components to file: J2254+1341_X_map.mod wobs J2254+1341_X_uvs.fits ! Writing UV FITS file: J2254+1341_X_uvs.fits wwins J2254+1341_X_map.win ! wwins: Wrote 7 windows to J2254+1341_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 = 5.39178e-05 Jy ! Component: 100 - total flux cleaned = 7.75478e-05 Jy ! Component: 150 - total flux cleaned = 0.000148982 Jy ! Component: 200 - total flux cleaned = 0.000264668 Jy ! Component: 250 - total flux cleaned = 0.000331962 Jy ! Component: 300 - total flux cleaned = 0.000420141 Jy ! Component: 350 - total flux cleaned = 0.000463438 Jy ! Component: 400 - total flux cleaned = 0.000548032 Jy ! Component: 450 - total flux cleaned = 0.00063098 Jy ! Component: 500 - total flux cleaned = 0.000651108 Jy ! Component: 550 - total flux cleaned = 0.000610733 Jy ! Component: 600 - total flux cleaned = 0.000690361 Jy ! Component: 650 - total flux cleaned = 0.000690404 Jy ! Component: 700 - total flux cleaned = 0.000690472 Jy ! Component: 750 - total flux cleaned = 0.000728762 Jy ! Component: 800 - total flux cleaned = 0.000709862 Jy ! Component: 850 - total flux cleaned = 0.00071002 Jy ! Component: 900 - total flux cleaned = 0.000746689 Jy ! Component: 950 - total flux cleaned = 0.000655025 Jy ! Component: 1000 - total flux cleaned = 0.00069125 Jy ! Component: 1050 - total flux cleaned = 0.000637266 Jy ! Component: 1100 - total flux cleaned = 0.00063746 Jy ! Component: 1150 - total flux cleaned = 0.000654918 Jy ! Component: 1200 - total flux cleaned = 0.000654696 Jy ! Component: 1250 - total flux cleaned = 0.000620153 Jy ! Component: 1300 - total flux cleaned = 0.000620064 Jy ! Component: 1350 - total flux cleaned = 0.000586038 Jy ! Component: 1400 - total flux cleaned = 0.000602781 Jy ! Component: 1450 - total flux cleaned = 0.000536004 Jy ! Component: 1500 - total flux cleaned = 0.000486356 Jy ! Component: 1550 - total flux cleaned = 0.000420834 Jy ! Component: 1600 - total flux cleaned = 0.000469778 Jy ! Component: 1650 - total flux cleaned = 0.000372523 Jy ! Component: 1700 - total flux cleaned = 0.000340386 Jy ! Component: 1750 - total flux cleaned = 0.000292285 Jy ! Component: 1800 - total flux cleaned = 0.000244667 Jy ! Component: 1850 - total flux cleaned = 0.000244674 Jy ! Component: 1900 - total flux cleaned = 0.000181867 Jy ! Component: 1950 - total flux cleaned = 0.000150654 Jy ! Component: 2000 - total flux cleaned = 0.000104228 Jy ! Component: 2050 - total flux cleaned = 5.7832e-05 Jy ! Component: 2100 - total flux cleaned = 1.19665e-05 Jy ! Component: 2150 - total flux cleaned = -6.3884e-05 Jy ! Component: 2200 - total flux cleaned = -4.8775e-05 Jy ! Component: 2250 - total flux cleaned = -9.3735e-05 Jy ! Component: 2300 - total flux cleaned = -0.000108752 Jy ! Component: 2350 - total flux cleaned = -0.00013857 Jy ! Component: 2400 - total flux cleaned = -0.000168232 Jy ! Component: 2450 - total flux cleaned = -0.00030023 Jy ! Component: 2500 - total flux cleaned = -0.000329387 Jy ! Component: 2550 - total flux cleaned = -0.000314906 Jy ! Component: 2600 - total flux cleaned = -0.000372705 Jy ! Component: 2650 - total flux cleaned = -0.000401357 Jy ! Component: 2700 - total flux cleaned = -0.000444126 Jy ! Component: 2750 - total flux cleaned = -0.000472443 Jy ! Component: 2800 - total flux cleaned = -0.000486475 Jy ! Component: 2850 - total flux cleaned = -0.000514698 Jy ! Component: 2900 - total flux cleaned = -0.000612504 Jy ! Component: 2950 - total flux cleaned = -0.000709724 Jy ! Component: 3000 - total flux cleaned = -0.000723559 Jy ! Component: 3050 - total flux cleaned = -0.000778579 Jy ! Component: 3100 - total flux cleaned = -0.000860651 Jy ! Component: 3150 - total flux cleaned = -0.00086066 Jy ! Component: 3200 - total flux cleaned = -0.000941972 Jy ! Component: 3250 - total flux cleaned = -0.00094202 Jy ! Component: 3300 - total flux cleaned = -0.000968856 Jy ! Component: 3350 - total flux cleaned = -0.00102225 Jy ! Component: 3400 - total flux cleaned = -0.00108863 Jy ! Component: 3450 - total flux cleaned = -0.00110191 Jy ! Component: 3500 - total flux cleaned = -0.00115453 Jy ! Component: 3550 - total flux cleaned = -0.00120682 Jy ! Component: 3600 - total flux cleaned = -0.0012199 Jy ! Component: 3650 - total flux cleaned = -0.00127179 Jy ! Component: 3700 - total flux cleaned = -0.00132347 Jy ! Component: 3750 - total flux cleaned = -0.001362 Jy ! Component: 3800 - total flux cleaned = -0.00141323 Jy ! Component: 3850 - total flux cleaned = -0.0014642 Jy ! Component: 3900 - total flux cleaned = -0.00150223 Jy ! Component: 3950 - total flux cleaned = -0.00151479 Jy ! Component: 4000 - total flux cleaned = -0.00148968 Jy ! Component: 4050 - total flux cleaned = -0.00152728 Jy ! Total flux subtracted in 4096 components = -0.00153981 Jy ! Clean residual min=-0.000630 max=0.000698 Jy/beam ! Clean residual mean=-0.000001 rms=0.000215 Jy/beam ! Combined flux in latest and established models = 0.363922 Jy keep ! Adding 330 model components to the UV plane model. ! The established model now contains 495 components and 0.363922 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J2254+1341_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8576 x 2.039 at -3.863 degrees (North through East) ! Clean map min=-0.0010254 max=0.26534 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J2254+1341_X_map.fits wmodel /vlbi/uf001/uva//J2254+1341_X_map.mod ! Writing 495 model components to file: /vlbi/uf001/uva//J2254+1341_X_map.mod wobs /vlbi/uf001/uva//J2254+1341_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J2254+1341_X_uvs.fits wwins /vlbi/uf001/uva//J2254+1341_X_map.win ! wwins: Wrote 8 windows to /vlbi/uf001/uva//J2254+1341_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.265343 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000214625 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.242658 0.242658 0.485315 0.970631 1.94126 3.88252 7.76505 15.5301 31.0602 62.1204 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.265 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1236.31 quit ! Quitting program ! Log file /vlbi/uf001/uva//J2254+1341_X_dfm.log closed on Mon Jan 14 06:27:46 2019