! Started logfile: /image_prod/ug002_uva//J1957+3338_X_dfm.log on Thu Mar 5 04:29:45 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//J1957+3338_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1957+3338_X_uva.fits ! AN table 1: 90 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.984444 visibilities/baseline/integration-bin. ! Found source: J1957+3338 ! ! 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 47844 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 J1957+3338_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 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.012920Jy sigma=9.097842 ! Fit after self-cal, rms=0.864713Jy sigma=7.742987 ! 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=0.7643 mas, bmaj=1.255 mas, bpa=-9.131 degrees ! Estimated noise=0.891024 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 = 0.101958 Jy ! Component: 100 - total flux cleaned = 0.127211 Jy ! Total flux subtracted in 100 components = 0.127211 Jy ! Clean residual min=-0.004329 max=0.010529 Jy/beam ! Clean residual mean=-0.000003 rms=0.001120 Jy/beam ! Combined flux in latest and established models = 0.127211 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.127211 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=0.065451Jy sigma=0.539794 ! Fit after self-cal, rms=0.065435Jy sigma=0.539611 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0117265 Jy ! Component: 100 - total flux cleaned = 0.0178043 Jy ! Total flux subtracted in 100 components = 0.0178043 Jy ! Clean residual min=-0.004182 max=0.004967 Jy/beam ! Clean residual mean=-0.000002 rms=0.000915 Jy/beam ! Combined flux in latest and established models = 0.145016 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 7 components and 0.145016 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=0.062887Jy sigma=0.510716 ! Fit after self-cal, rms=0.062865Jy sigma=0.510487 ! 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=0.9929 mas, bmaj=1.599 mas, bpa=-8.201 degrees ! Estimated noise=0.367223 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 (-1.6, -1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00624437 Jy ! Component: 100 - total flux cleaned = 0.0100535 Jy ! Component: 150 - total flux cleaned = 0.0126461 Jy ! Component: 200 - total flux cleaned = 0.0144965 Jy ! Total flux subtracted in 200 components = 0.0144965 Jy ! Clean residual min=-0.003863 max=0.005167 Jy/beam ! Clean residual mean=-0.000002 rms=0.000952 Jy/beam ! Combined flux in latest and established models = 0.159512 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 26 components and 0.159512 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=0.062253Jy sigma=0.503140 ! Fit after self-cal, rms=0.062217Jy sigma=0.502534 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9929 x 1.599 at -8.201 degrees (North through East) ! Clean map min=-0.0037551 max=0.13607 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.99 HN 0.97 KP 1.04 ! LA 1.02 MK 1.01 NL 1.13 OV 0.91 ! PT 0.92 SC 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.99 HN 0.98 KP 1.03 ! LA 1.03 MK 1.01 NL 1.13 OV 0.91 ! PT 0.92 SC 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.99 HN 0.98 KP 1.03 ! LA 1.03 MK 1.01 NL 1.13 OV 0.91 ! PT 0.92 SC 1.00 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.99 HN 0.98 KP 1.03 ! LA 1.02 MK 1.01 NL 1.13 OV 0.91 ! PT 0.92 SC 1.01 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.00 HN 0.98 KP 1.04 ! LA 1.03 MK 1.01 NL 1.13 OV 0.91 ! PT 0.91 SC 1.01 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.99 HN 0.98 KP 1.03 ! LA 1.02 MK 1.01 NL 1.13 OV 0.91 ! PT 0.92 SC 1.01 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.99 HN 0.98 KP 1.03 ! LA 1.02 MK 1.01 NL 1.13 OV 0.91 ! PT 0.91 SC 1.01 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.99 HN 0.99 KP 1.03 ! LA 1.03 MK 1.02 NL 1.13 OV 0.91 ! PT 0.91 SC 1.00 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.99 HN 0.98 KP 1.03 ! LA 1.03 MK 1.01 NL 1.13 OV 0.91 ! PT 0.91 SC 1.01 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.98 HN 0.98 KP 1.03 ! LA 1.02 MK 1.02 NL 1.13 OV 0.91 ! PT 0.91 SC 1.02 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.98 HN 0.98 KP 1.03 ! LA 1.02 MK 1.01 NL 1.14 OV 0.91 ! PT 0.91 SC 1.01 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.99 HN 0.98 KP 1.03 ! LA 1.03 MK 1.02 NL 1.13 OV 0.91 ! PT 0.91 SC 1.01 ! ! ! Fit before self-cal, rms=0.062217Jy sigma=0.502534 ! Fit after self-cal, rms=0.059999Jy sigma=0.491238 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9992 mas, bmaj=1.604 mas, bpa=-7.78 degrees ! Estimated noise=0.363527 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 = -0.000928452 Jy ! Component: 100 - total flux cleaned = -0.00166483 Jy ! Component: 150 - total flux cleaned = -0.00219671 Jy ! Component: 200 - total flux cleaned = -0.00251946 Jy ! Total flux subtracted in 200 components = -0.00251946 Jy ! Clean residual min=-0.002942 max=0.002831 Jy/beam ! Clean residual mean=0.000000 rms=0.000700 Jy/beam ! Combined flux in latest and established models = 0.156993 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 45 components and 0.156993 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=0.059867Jy sigma=0.490477 ! Fit after self-cal, rms=0.059862Jy sigma=0.490321 ! 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=0.059862Jy sigma=0.490321 ! Fit after self-cal, rms=0.063501Jy sigma=0.475792 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.994 mas, bmaj=1.595 mas, bpa=-7.244 degrees ! Estimated noise=0.363141 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000191603 Jy ! Component: 100 - total flux cleaned = -0.000514196 Jy ! Component: 150 - total flux cleaned = -0.000754737 Jy ! Component: 200 - total flux cleaned = -0.000908552 Jy ! Total flux subtracted in 200 components = -0.000908552 Jy ! Clean residual min=-0.001210 max=0.001759 Jy/beam ! Clean residual mean=-0.000000 rms=0.000292 Jy/beam ! Combined flux in latest and established models = 0.156084 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 55 components and 0.156084 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=0.063446Jy sigma=0.475291 ! Fit after self-cal, rms=0.063575Jy sigma=0.475115 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 (-18.6, 6.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00160948 Jy ! Component: 100 - total flux cleaned = 0.00255083 Jy ! Component: 150 - total flux cleaned = 0.00301953 Jy ! Component: 200 - total flux cleaned = 0.0032152 Jy ! Total flux subtracted in 200 components = 0.0032152 Jy ! Clean residual min=-0.001119 max=0.001200 Jy/beam ! Clean residual mean=0.000000 rms=0.000260 Jy/beam ! Combined flux in latest and established models = 0.159299 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 75 components and 0.159299 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=0.063528Jy sigma=0.474590 ! Fit after self-cal, rms=0.063524Jy sigma=0.474545 ! Inverting map ! Added new window around map position (-16.2, 5.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00120869 Jy ! Component: 100 - total flux cleaned = 0.00173313 Jy ! Component: 150 - total flux cleaned = 0.00192815 Jy ! Component: 200 - total flux cleaned = 0.00203633 Jy ! Total flux subtracted in 200 components = 0.00203633 Jy ! Clean residual min=-0.001090 max=0.001080 Jy/beam ! Clean residual mean=0.000000 rms=0.000239 Jy/beam ! Combined flux in latest and established models = 0.161336 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 101 components and 0.161336 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=0.063496Jy sigma=0.474236 ! Fit after self-cal, rms=0.063494Jy sigma=0.474223 ! 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=0.063494Jy sigma=0.474223 ! Fit after self-cal, rms=0.063803Jy sigma=0.474057 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.991 mas, bmaj=1.594 mas, bpa=-6.967 degrees ! Estimated noise=0.363437 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000204766 Jy ! Component: 100 - total flux cleaned = 0.000355628 Jy ! Component: 150 - total flux cleaned = 0.00049022 Jy ! Component: 200 - total flux cleaned = 0.000631434 Jy ! Total flux subtracted in 200 components = 0.000631434 Jy ! Clean residual min=-0.001022 max=0.001110 Jy/beam ! Clean residual mean=0.000000 rms=0.000221 Jy/beam ! Combined flux in latest and established models = 0.161967 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 110 components and 0.161967 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=0.063783Jy sigma=0.473868 ! Fit after self-cal, rms=0.063783Jy sigma=0.473855 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 (-12.8, 2.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000990924 Jy ! Component: 100 - total flux cleaned = 0.00127698 Jy ! Component: 150 - total flux cleaned = 0.00149942 Jy ! Component: 200 - total flux cleaned = 0.00168157 Jy ! Total flux subtracted in 200 components = 0.00168157 Jy ! Clean residual min=-0.000912 max=0.000878 Jy/beam ! Clean residual mean=0.000000 rms=0.000204 Jy/beam ! Combined flux in latest and established models = 0.163649 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 131 components and 0.163649 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=0.063764Jy sigma=0.473616 ! Fit after self-cal, rms=0.063761Jy sigma=0.473603 ! 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=0.063761Jy sigma=0.473603 ! Fit after self-cal, rms=0.063978Jy sigma=0.473557 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.252 mas, bmaj=2.629 mas, bpa=0.6282 degrees ! Estimated noise=0.445367 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000867063 Jy ! Component: 100 - total flux cleaned = 0.00128154 Jy ! Component: 150 - total flux cleaned = 0.00154282 Jy ! Component: 200 - total flux cleaned = 0.00168705 Jy ! Total flux subtracted in 200 components = 0.00168705 Jy ! Clean residual min=-0.000982 max=0.000822 Jy/beam ! Clean residual mean=0.000000 rms=0.000237 Jy/beam ! Combined flux in latest and established models = 0.165336 Jy selfcal ! Performing phase self-cal ! Adding 47 model components to the UV plane model. ! The established model now contains 174 components and 0.165336 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=0.063971Jy sigma=0.473461 ! Fit after self-cal, rms=0.063971Jy sigma=0.473452 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 = 0.000204542 Jy ! Component: 100 - total flux cleaned = 0.000317642 Jy ! Component: 150 - total flux cleaned = 0.000416325 Jy ! Component: 200 - total flux cleaned = 0.000484657 Jy ! Total flux subtracted in 200 components = 0.000484657 Jy ! Clean residual min=-0.000919 max=0.000827 Jy/beam ! Clean residual mean=0.000000 rms=0.000232 Jy/beam ! Combined flux in latest and established models = 0.16582 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 187 components and 0.16582 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=0.063968Jy sigma=0.473424 ! Fit after self-cal, rms=0.063967Jy sigma=0.473422 ! 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=0.9894 mas, bmaj=1.593 mas, bpa=-6.846 degrees ! Estimated noise=0.363922 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9894 x 1.593 at -6.846 degrees (North through East) ! Clean map min=-0.00077201 max=0.13508 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=0.7627 mas, bmaj=1.249 mas, bpa=-7.514 degrees ! Estimated noise=0.884758 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.101082 Jy ! Component: 100 - total flux cleaned = 0.126846 Jy ! Component: 150 - total flux cleaned = 0.138921 Jy ! Component: 200 - total flux cleaned = 0.145205 Jy ! Total flux subtracted in 200 components = 0.145205 Jy ! Clean residual min=-0.002199 max=0.002984 Jy/beam ! Clean residual mean=-0.000001 rms=0.000494 Jy/beam ! Combined flux in latest and established models = 0.145205 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 8 model components to the UV plane model. ! The established model now contains 8 components and 0.145205 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9894 mas, bmaj=1.593 mas, bpa=-6.846 degrees ! Estimated noise=0.363922 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 = 0.00457431 Jy ! Component: 100 - total flux cleaned = 0.00706089 Jy ! Component: 150 - total flux cleaned = 0.00894961 Jy ! Component: 200 - total flux cleaned = 0.0105194 Jy ! Total flux subtracted in 200 components = 0.0105194 Jy ! Clean residual min=-0.001078 max=0.001124 Jy/beam ! Clean residual mean=-0.000001 rms=0.000267 Jy/beam ! Combined flux in latest and established models = 0.155725 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 38 components and 0.155725 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=2.252 mas, bmaj=2.629 mas, bpa=0.6282 degrees ! Estimated noise=0.445367 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0021158 Jy ! Component: 100 - total flux cleaned = 0.00370743 Jy ! Component: 150 - total flux cleaned = 0.00497338 Jy ! Component: 200 - total flux cleaned = 0.00599328 Jy ! Total flux subtracted in 200 components = 0.00599328 Jy ! Clean residual min=-0.001085 max=0.001100 Jy/beam ! Clean residual mean=-0.000001 rms=0.000271 Jy/beam ! Combined flux in latest and established models = 0.161718 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 = 0.000828322 Jy ! Component: 100 - total flux cleaned = 0.00150589 Jy ! Component: 150 - total flux cleaned = 0.00207018 Jy ! Component: 200 - total flux cleaned = 0.00247427 Jy ! Total flux subtracted in 200 components = 0.00247427 Jy ! Clean residual min=-0.000986 max=0.000885 Jy/beam ! Clean residual mean=-0.000000 rms=0.000239 Jy/beam ! Combined flux in latest and established models = 0.164192 Jy ! Adding 90 model components to the UV plane model. ! The established model now contains 117 components and 0.164192 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9894 mas, bmaj=1.593 mas, bpa=-6.846 degrees ! Estimated noise=0.363922 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000304815 Jy ! Component: 100 - total flux cleaned = 0.000386546 Jy ! Component: 150 - total flux cleaned = 0.000533609 Jy ! Component: 200 - total flux cleaned = 0.000667413 Jy ! Total flux subtracted in 200 components = 0.000667413 Jy ! Clean residual min=-0.000869 max=0.000822 Jy/beam ! Clean residual mean=0.000000 rms=0.000196 Jy/beam ! Combined flux in latest and established models = 0.16486 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 134 components and 0.16486 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=0.063984Jy sigma=0.473612 ! Fit after self-cal, rms=0.063978Jy sigma=0.473574 wmodel J1957+3338_X_map.mod ! Writing 134 model components to file: J1957+3338_X_map.mod wobs J1957+3338_X_uvs.fits ! Writing UV FITS file: J1957+3338_X_uvs.fits wwins J1957+3338_X_map.win ! wwins: Wrote 5 windows to J1957+3338_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 = 3.26305e-05 Jy ! Component: 100 - total flux cleaned = 3.92169e-06 Jy ! Component: 150 - total flux cleaned = -5.11654e-05 Jy ! Component: 200 - total flux cleaned = -0.000131411 Jy ! Component: 250 - total flux cleaned = -0.000197086 Jy ! Component: 300 - total flux cleaned = -0.000273255 Jy ! Component: 350 - total flux cleaned = -0.000310446 Jy ! Component: 400 - total flux cleaned = -0.000359319 Jy ! Component: 450 - total flux cleaned = -0.000419471 Jy ! Component: 500 - total flux cleaned = -0.000513706 Jy ! Component: 550 - total flux cleaned = -0.000583168 Jy ! Component: 600 - total flux cleaned = -0.000651673 Jy ! Component: 650 - total flux cleaned = -0.000741599 Jy ! Component: 700 - total flux cleaned = -0.000752803 Jy ! Component: 750 - total flux cleaned = -0.000796753 Jy ! Component: 800 - total flux cleaned = -0.00082931 Jy ! Component: 850 - total flux cleaned = -0.00089321 Jy ! Component: 900 - total flux cleaned = -0.000903566 Jy ! Component: 950 - total flux cleaned = -0.000903467 Jy ! Component: 1000 - total flux cleaned = -0.000955104 Jy ! Component: 1050 - total flux cleaned = -0.000944899 Jy ! Component: 1100 - total flux cleaned = -0.000975002 Jy ! Component: 1150 - total flux cleaned = -0.000944978 Jy ! Component: 1200 - total flux cleaned = -0.0010041 Jy ! Component: 1250 - total flux cleaned = -0.000984419 Jy ! Component: 1300 - total flux cleaned = -0.00100371 Jy ! Component: 1350 - total flux cleaned = -0.00101321 Jy ! Component: 1400 - total flux cleaned = -0.000994251 Jy ! Component: 1450 - total flux cleaned = -0.00102249 Jy ! Component: 1500 - total flux cleaned = -0.00103195 Jy ! Component: 1550 - total flux cleaned = -0.00104126 Jy ! Component: 1600 - total flux cleaned = -0.00105047 Jy ! Component: 1650 - total flux cleaned = -0.00105964 Jy ! Component: 1700 - total flux cleaned = -0.00105959 Jy ! Component: 1750 - total flux cleaned = -0.0010597 Jy ! Component: 1800 - total flux cleaned = -0.00106856 Jy ! Component: 1850 - total flux cleaned = -0.00108625 Jy ! Component: 1900 - total flux cleaned = -0.00109504 Jy ! Component: 1950 - total flux cleaned = -0.00110369 Jy ! Component: 2000 - total flux cleaned = -0.00112102 Jy ! Component: 2050 - total flux cleaned = -0.00113816 Jy ! Component: 2100 - total flux cleaned = -0.00112111 Jy ! Component: 2150 - total flux cleaned = -0.00114659 Jy ! Component: 2200 - total flux cleaned = -0.00118871 Jy ! Component: 2250 - total flux cleaned = -0.00118037 Jy ! Component: 2300 - total flux cleaned = -0.00120528 Jy ! Component: 2350 - total flux cleaned = -0.001197 Jy ! Component: 2400 - total flux cleaned = -0.00121334 Jy ! Component: 2450 - total flux cleaned = -0.00122962 Jy ! Component: 2500 - total flux cleaned = -0.00122157 Jy ! Component: 2550 - total flux cleaned = -0.00123759 Jy ! Component: 2600 - total flux cleaned = -0.0012455 Jy ! Component: 2650 - total flux cleaned = -0.00123762 Jy ! Component: 2700 - total flux cleaned = -0.00125338 Jy ! Component: 2750 - total flux cleaned = -0.00126903 Jy ! Component: 2800 - total flux cleaned = -0.00130016 Jy ! Component: 2850 - total flux cleaned = -0.00130018 Jy ! Component: 2900 - total flux cleaned = -0.00133878 Jy ! Component: 2950 - total flux cleaned = -0.00134645 Jy ! Component: 3000 - total flux cleaned = -0.00136178 Jy ! Component: 3050 - total flux cleaned = -0.00139968 Jy ! Component: 3100 - total flux cleaned = -0.0014072 Jy ! Component: 3150 - total flux cleaned = -0.00139967 Jy ! Component: 3200 - total flux cleaned = -0.001422 Jy ! Component: 3250 - total flux cleaned = -0.00139237 Jy ! Component: 3300 - total flux cleaned = -0.00142935 Jy ! Component: 3350 - total flux cleaned = -0.00142934 Jy ! Component: 3400 - total flux cleaned = -0.00142201 Jy ! Component: 3450 - total flux cleaned = -0.00143653 Jy ! Component: 3500 - total flux cleaned = -0.00144376 Jy ! Component: 3550 - total flux cleaned = -0.0014294 Jy ! Component: 3600 - total flux cleaned = -0.00142228 Jy ! Component: 3650 - total flux cleaned = -0.00142941 Jy ! Component: 3700 - total flux cleaned = -0.00144355 Jy ! Component: 3750 - total flux cleaned = -0.00141542 Jy ! Component: 3800 - total flux cleaned = -0.0014154 Jy ! Component: 3850 - total flux cleaned = -0.00140843 Jy ! Component: 3900 - total flux cleaned = -0.00138767 Jy ! Component: 3950 - total flux cleaned = -0.00142225 Jy ! Component: 4000 - total flux cleaned = -0.00140849 Jy ! Component: 4050 - total flux cleaned = -0.00142215 Jy ! Total flux subtracted in 4096 components = -0.0014086 Jy ! Clean residual min=-0.000425 max=0.000464 Jy/beam ! Clean residual mean=0.000000 rms=0.000117 Jy/beam ! Combined flux in latest and established models = 0.163451 Jy keep ! Adding 329 model components to the UV plane model. ! The established model now contains 463 components and 0.163451 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1957+3338_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9894 x 1.593 at -6.846 degrees (North through East) ! Clean map min=-0.00061925 max=0.13496 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1957+3338_X_map.fits wmodel /image_prod/ug002_uva//J1957+3338_X_map.mod ! Writing 463 model components to file: /image_prod/ug002_uva//J1957+3338_X_map.mod wobs /image_prod/ug002_uva//J1957+3338_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1957+3338_X_uvs.fits wwins /image_prod/ug002_uva//J1957+3338_X_map.win ! wwins: Wrote 6 windows to /image_prod/ug002_uva//J1957+3338_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.134955 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000116446 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.258854 0.258854 0.517709 1.03542 2.07084 4.14167 8.28334 16.5667 33.1334 66.2667 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.134 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1158.95 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1957+3338_X_dfm.log closed on Thu Mar 5 04:29:51 2020