! Started logfile: /image_prod/ug002_uva//J1746+6421_X_b_dfm.log on Thu Mar 5 03:26:54 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//J1746+6421_X_b_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1746+6421_X_b_uva.fits ! AN table 1: 60 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.924444 visibilities/baseline/integration-bin. ! Found source: J1746+6421 ! ! 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 29952 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 J1746+6421_X_b] 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 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.004684Jy sigma=9.241225 ! Fit after self-cal, rms=0.930052Jy sigma=8.562069 ! 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=0.7382 mas, bmaj=0.9748 mas, bpa=-35.71 degrees ! Estimated noise=0.946567 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 = 0.0542937 Jy ! Component: 100 - total flux cleaned = 0.0667043 Jy ! Total flux subtracted in 100 components = 0.0667043 Jy ! Clean residual min=-0.005045 max=0.016902 Jy/beam ! Clean residual mean=0.000005 rms=0.001025 Jy/beam ! Combined flux in latest and established models = 0.0667043 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.0667043 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=0.058510Jy sigma=0.511329 ! Fit after self-cal, rms=0.058199Jy sigma=0.508344 ! Inverting map ! Added new window around map position (-3, -3.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0138864 Jy ! Component: 100 - total flux cleaned = 0.0191203 Jy ! Total flux subtracted in 100 components = 0.0191203 Jy ! Clean residual min=-0.002894 max=0.005144 Jy/beam ! Clean residual mean=0.000003 rms=0.000638 Jy/beam ! Combined flux in latest and established models = 0.0858246 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 15 components and 0.0858246 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=0.054864Jy sigma=0.475283 ! Fit after self-cal, rms=0.054377Jy sigma=0.470484 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00548141 Jy ! Component: 100 - total flux cleaned = 0.00821502 Jy ! Total flux subtracted in 100 components = 0.00821502 Jy ! Clean residual min=-0.002242 max=0.002489 Jy/beam ! Clean residual mean=0.000002 rms=0.000514 Jy/beam ! Combined flux in latest and established models = 0.0940397 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 19 components and 0.0940397 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=0.053867Jy sigma=0.465324 ! Fit after self-cal, rms=0.053796Jy sigma=0.464591 ! 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=0.9744 mas, bmaj=1.263 mas, bpa=-35.62 degrees ! Estimated noise=0.451547 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 = 0.00249534 Jy ! Component: 100 - total flux cleaned = 0.0029866 Jy ! Component: 150 - total flux cleaned = 0.00315424 Jy ! Component: 200 - total flux cleaned = 0.00324021 Jy ! Total flux subtracted in 200 components = 0.00324021 Jy ! Clean residual min=-0.001555 max=0.001421 Jy/beam ! Clean residual mean=0.000005 rms=0.000326 Jy/beam ! Combined flux in latest and established models = 0.0972799 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 29 components and 0.0972799 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=0.053683Jy sigma=0.463447 ! Fit after self-cal, rms=0.053666Jy sigma=0.463273 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9744 x 1.263 at -35.62 degrees (North through East) ! Clean map min=-0.0014494 max=0.067864 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.98 HN 0.93 KP 1.06 ! LA 1.01 MK 1.05 NL 1.01 OV 0.97 ! PT 0.98 SC 1.01 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.04 HN 0.94 KP 1.03 ! LA 1.01 MK 1.03 NL 0.95 OV 1.02 ! PT 0.96 SC 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.04 HN 0.93 KP 1.01 ! LA 1.02 MK 1.07 NL 1.01 OV 1.01 ! PT 0.96 SC 1.00 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.06 HN 0.92 KP 0.99 ! LA 1.00 MK 1.02 NL 1.00 OV 1.04 ! PT 0.97 SC 1.01 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.04 HN 0.92 KP 1.02 ! LA 1.04 MK 1.04 NL 1.00 OV 1.03 ! PT 0.99 SC 0.99 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.01 HN 0.92 KP 0.94 ! LA 1.03 MK 1.05 NL 1.05 OV 1.01 ! PT 0.99 SC 1.03 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.03 HN 0.91 KP 0.99 ! LA 1.00 MK 1.04 NL 0.96 OV 1.00 ! PT 1.01 SC 1.01 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.01 HN 0.84 KP 1.00 ! LA 1.03 MK 1.03 NL 0.98 OV 1.01 ! PT 0.97 SC 1.03 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.02 HN 0.92 KP 1.04 ! LA 1.00 MK 1.06 NL 1.02 OV 1.02 ! PT 0.99 SC 1.01 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.98 HN 0.88 KP 1.03 ! LA 0.99 MK 1.00 NL 1.12 OV 1.02 ! PT 0.97 SC 1.00 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.04 HN 0.91 KP 0.96 ! LA 0.99 MK 1.05 NL 0.97 OV 1.02 ! PT 0.94 SC 1.06 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.01 HN 0.89 KP 1.03 ! LA 0.99 MK 1.09 NL 0.96 OV 0.96 ! PT 1.02 SC 0.96 ! ! ! Fit before self-cal, rms=0.053666Jy sigma=0.463273 ! Fit after self-cal, rms=0.052946Jy sigma=0.461523 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9795 mas, bmaj=1.265 mas, bpa=-36.09 degrees ! Estimated noise=0.449799 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 = 0.000182002 Jy ! Component: 100 - total flux cleaned = 0.000196621 Jy ! Component: 150 - total flux cleaned = 0.000259759 Jy ! Component: 200 - total flux cleaned = 0.000295217 Jy ! Total flux subtracted in 200 components = 0.000295217 Jy ! Clean residual min=-0.001211 max=0.001292 Jy/beam ! Clean residual mean=0.000004 rms=0.000280 Jy/beam ! Combined flux in latest and established models = 0.0975751 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 37 components and 0.0975751 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=0.052929Jy sigma=0.461363 ! Fit after self-cal, rms=0.052935Jy sigma=0.461283 ! 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=0.052935Jy sigma=0.461283 ! Fit after self-cal, rms=0.053695Jy sigma=0.459470 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9799 mas, bmaj=1.258 mas, bpa=-35.94 degrees ! Estimated noise=0.450263 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -5.51057e-05 Jy ! Component: 100 - total flux cleaned = -9.45329e-05 Jy ! Component: 150 - total flux cleaned = -0.00012732 Jy ! Component: 200 - total flux cleaned = -0.000146213 Jy ! Total flux subtracted in 200 components = -0.000146213 Jy ! Clean residual min=-0.000995 max=0.000870 Jy/beam ! Clean residual mean=-0.000001 rms=0.000208 Jy/beam ! Combined flux in latest and established models = 0.0974289 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 42 components and 0.0974289 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=0.053689Jy sigma=0.459411 ! Fit after self-cal, rms=0.053719Jy sigma=0.459366 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 = 1.03076e-05 Jy ! Component: 100 - total flux cleaned = -1.77898e-05 Jy ! Component: 150 - total flux cleaned = -4.24745e-05 Jy ! Component: 200 - total flux cleaned = -6.46843e-05 Jy ! Total flux subtracted in 200 components = -6.46843e-05 Jy ! Clean residual min=-0.001005 max=0.000879 Jy/beam ! Clean residual mean=-0.000001 rms=0.000207 Jy/beam ! Combined flux in latest and established models = 0.0973642 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 44 components and 0.0973642 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=0.053717Jy sigma=0.459340 ! Fit after self-cal, rms=0.053716Jy sigma=0.459338 ! 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=0.053716Jy sigma=0.459338 ! Fit after self-cal, rms=0.053872Jy sigma=0.459310 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.98 mas, bmaj=1.257 mas, bpa=-35.9 degrees ! Estimated noise=0.450369 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.97914e-05 Jy ! Component: 100 - total flux cleaned = -9.06068e-05 Jy ! Component: 150 - total flux cleaned = -0.000113838 Jy ! Component: 200 - total flux cleaned = -0.000135066 Jy ! Total flux subtracted in 200 components = -0.000135066 Jy ! Clean residual min=-0.000984 max=0.000885 Jy/beam ! Clean residual mean=-0.000002 rms=0.000205 Jy/beam ! Combined flux in latest and established models = 0.0972291 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 46 components and 0.0972291 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=0.053869Jy sigma=0.459288 ! Fit after self-cal, rms=0.053873Jy sigma=0.459285 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 = -1.36423e-05 Jy ! Component: 100 - total flux cleaned = -2.74375e-05 Jy ! Component: 150 - total flux cleaned = -5.31757e-05 Jy ! Component: 200 - total flux cleaned = -7.68323e-05 Jy ! Total flux subtracted in 200 components = -7.68323e-05 Jy ! Clean residual min=-0.000988 max=0.000885 Jy/beam ! Clean residual mean=-0.000001 rms=0.000204 Jy/beam ! Combined flux in latest and established models = 0.0971523 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 50 components and 0.0971523 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=0.053871Jy sigma=0.459271 ! Fit after self-cal, rms=0.053871Jy sigma=0.459270 ! 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=0.053871Jy sigma=0.459270 ! Fit after self-cal, rms=0.053891Jy sigma=0.459267 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.216 mas, bmaj=2.465 mas, bpa=-62.92 degrees ! Estimated noise=0.583077 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000116862 Jy ! Component: 100 - total flux cleaned = 0.000134951 Jy ! Component: 150 - total flux cleaned = 0.000154998 Jy ! Component: 200 - total flux cleaned = 0.000163474 Jy ! Total flux subtracted in 200 components = 0.000163474 Jy ! Clean residual min=-0.000997 max=0.000887 Jy/beam ! Clean residual mean=-0.000004 rms=0.000241 Jy/beam ! Combined flux in latest and established models = 0.0973158 Jy selfcal ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 52 components and 0.0973158 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=0.053891Jy sigma=0.459278 ! Fit after self-cal, rms=0.053892Jy sigma=0.459274 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -9.93895e-06 Jy ! Component: 100 - total flux cleaned = 2.50202e-06 Jy ! Component: 150 - total flux cleaned = 9.27464e-06 Jy ! Component: 200 - total flux cleaned = 1.25908e-05 Jy ! Total flux subtracted in 200 components = 1.25908e-05 Jy ! Clean residual min=-0.000990 max=0.000894 Jy/beam ! Clean residual mean=-0.000004 rms=0.000241 Jy/beam ! Combined flux in latest and established models = 0.0973284 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 56 components and 0.0973284 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=0.053893Jy sigma=0.459280 ! Fit after self-cal, rms=0.053893Jy sigma=0.459280 ! 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=0.9801 mas, bmaj=1.257 mas, bpa=-35.94 degrees ! Estimated noise=0.450254 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9801 x 1.257 at -35.94 degrees (North through East) ! Clean map min=-0.00088928 max=0.067439 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=0.7426 mas, bmaj=0.9711 mas, bpa=-35.72 degrees ! Estimated noise=0.944934 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0546578 Jy ! Component: 100 - total flux cleaned = 0.074517 Jy ! Component: 150 - total flux cleaned = 0.084039 Jy ! Component: 200 - total flux cleaned = 0.0893225 Jy ! Total flux subtracted in 200 components = 0.0893225 Jy ! Clean residual min=-0.002059 max=0.002700 Jy/beam ! Clean residual mean=0.000001 rms=0.000472 Jy/beam ! Combined flux in latest and established models = 0.0893225 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 10 model components to the UV plane model. ! The established model now contains 10 components and 0.0893225 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9801 mas, bmaj=1.257 mas, bpa=-35.94 degrees ! Estimated noise=0.450254 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 = 0.00371226 Jy ! Component: 100 - total flux cleaned = 0.00569661 Jy ! Component: 150 - total flux cleaned = 0.00687269 Jy ! Component: 200 - total flux cleaned = 0.00743161 Jy ! Total flux subtracted in 200 components = 0.00743161 Jy ! Clean residual min=-0.000969 max=0.000940 Jy/beam ! Clean residual mean=-0.000001 rms=0.000211 Jy/beam ! Combined flux in latest and established models = 0.0967541 Jy ! Adding 19 model components to the UV plane model. ! The established model now contains 25 components and 0.0967541 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=2.216 mas, bmaj=2.465 mas, bpa=-62.92 degrees ! Estimated noise=0.583077 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000624167 Jy ! Component: 100 - total flux cleaned = 0.000720524 Jy ! Component: 150 - total flux cleaned = 0.000740492 Jy ! Component: 200 - total flux cleaned = 0.000758468 Jy ! Total flux subtracted in 200 components = 0.000758468 Jy ! Clean residual min=-0.000971 max=0.000899 Jy/beam ! Clean residual mean=-0.000004 rms=0.000243 Jy/beam ! Combined flux in latest and established models = 0.0975126 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 = 1.57601e-05 Jy ! Component: 100 - total flux cleaned = 3.67279e-05 Jy ! Component: 150 - total flux cleaned = 3.64375e-05 Jy ! Component: 200 - total flux cleaned = 3.0363e-05 Jy ! Total flux subtracted in 200 components = 3.0363e-05 Jy ! Clean residual min=-0.000972 max=0.000901 Jy/beam ! Clean residual mean=-0.000004 rms=0.000242 Jy/beam ! Combined flux in latest and established models = 0.097543 Jy ! Adding 14 model components to the UV plane model. ! The established model now contains 36 components and 0.0975429 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9801 mas, bmaj=1.257 mas, bpa=-35.94 degrees ! Estimated noise=0.450254 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.78349e-05 Jy ! Component: 100 - total flux cleaned = -9.22063e-05 Jy ! Component: 150 - total flux cleaned = -0.000143746 Jy ! Component: 200 - total flux cleaned = -0.000188871 Jy ! Total flux subtracted in 200 components = -0.000188871 Jy ! Clean residual min=-0.000967 max=0.000930 Jy/beam ! Clean residual mean=-0.000002 rms=0.000205 Jy/beam ! Combined flux in latest and established models = 0.0973541 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 40 components and 0.0973541 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=0.053895Jy sigma=0.459292 ! Fit after self-cal, rms=0.053895Jy sigma=0.459283 wmodel J1746+6421_X_b_map.mod ! Writing 40 model components to file: J1746+6421_X_b_map.mod wobs J1746+6421_X_b_uvs.fits ! Writing UV FITS file: J1746+6421_X_b_uvs.fits wwins J1746+6421_X_b_map.win ! wwins: Wrote 2 windows to J1746+6421_X_b_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 = -0.000250175 Jy ! Component: 100 - total flux cleaned = -0.000250244 Jy ! Component: 150 - total flux cleaned = -0.000280975 Jy ! Component: 200 - total flux cleaned = -0.000281672 Jy ! Component: 250 - total flux cleaned = -0.00028172 Jy ! Component: 300 - total flux cleaned = -0.000253652 Jy ! Component: 350 - total flux cleaned = -0.000226703 Jy ! Component: 400 - total flux cleaned = -0.000213253 Jy ! Component: 450 - total flux cleaned = -0.000200172 Jy ! Component: 500 - total flux cleaned = -0.000162449 Jy ! Component: 550 - total flux cleaned = -0.00013803 Jy ! Component: 600 - total flux cleaned = -8.95242e-05 Jy ! Component: 650 - total flux cleaned = -3.01141e-05 Jy ! Component: 700 - total flux cleaned = 4.85006e-06 Jy ! Component: 750 - total flux cleaned = 7.43449e-05 Jy ! Component: 800 - total flux cleaned = 7.42705e-05 Jy ! Component: 850 - total flux cleaned = 0.000153081 Jy ! Component: 900 - total flux cleaned = 0.000197698 Jy ! Component: 950 - total flux cleaned = 0.000274957 Jy ! Component: 1000 - total flux cleaned = 0.00036182 Jy ! Component: 1050 - total flux cleaned = 0.000436976 Jy ! Component: 1100 - total flux cleaned = 0.000479407 Jy ! Component: 1150 - total flux cleaned = 0.000531797 Jy ! Component: 1200 - total flux cleaned = 0.000583764 Jy ! Component: 1250 - total flux cleaned = 0.000604405 Jy ! Component: 1300 - total flux cleaned = 0.000624798 Jy ! Component: 1350 - total flux cleaned = 0.000675266 Jy ! Component: 1400 - total flux cleaned = 0.000695267 Jy ! Component: 1450 - total flux cleaned = 0.000725076 Jy ! Component: 1500 - total flux cleaned = 0.000744731 Jy ! Component: 1550 - total flux cleaned = 0.000773835 Jy ! Component: 1600 - total flux cleaned = 0.000812428 Jy ! Component: 1650 - total flux cleaned = 0.000850738 Jy ! Component: 1700 - total flux cleaned = 0.000869703 Jy ! Component: 1750 - total flux cleaned = 0.000850881 Jy ! Component: 1800 - total flux cleaned = 0.000916256 Jy ! Component: 1850 - total flux cleaned = 0.000907048 Jy ! Component: 1900 - total flux cleaned = 0.000934596 Jy ! Component: 1950 - total flux cleaned = 0.000952757 Jy ! Component: 2000 - total flux cleaned = 0.00094374 Jy ! Component: 2050 - total flux cleaned = 0.00094366 Jy ! Component: 2100 - total flux cleaned = 0.000943717 Jy ! Component: 2150 - total flux cleaned = 0.000943572 Jy ! Component: 2200 - total flux cleaned = 0.00092604 Jy ! Component: 2250 - total flux cleaned = 0.000952368 Jy ! Component: 2300 - total flux cleaned = 0.000934931 Jy ! Component: 2350 - total flux cleaned = 0.000969555 Jy ! Component: 2400 - total flux cleaned = 0.000960915 Jy ! Component: 2450 - total flux cleaned = 0.000969475 Jy ! Component: 2500 - total flux cleaned = 0.000969529 Jy ! Component: 2550 - total flux cleaned = 0.000977915 Jy ! Component: 2600 - total flux cleaned = 0.000986337 Jy ! Component: 2650 - total flux cleaned = 0.000961512 Jy ! Component: 2700 - total flux cleaned = 0.000953233 Jy ! Component: 2750 - total flux cleaned = 0.00096146 Jy ! Component: 2800 - total flux cleaned = 0.000994109 Jy ! Component: 2850 - total flux cleaned = 0.00101021 Jy ! Component: 2900 - total flux cleaned = 0.00101007 Jy ! Component: 2950 - total flux cleaned = 0.00101009 Jy ! Component: 3000 - total flux cleaned = 0.00103387 Jy ! Component: 3050 - total flux cleaned = 0.00103386 Jy ! Component: 3100 - total flux cleaned = 0.001026 Jy ! Component: 3150 - total flux cleaned = 0.00104938 Jy ! Component: 3200 - total flux cleaned = 0.00107274 Jy ! Component: 3250 - total flux cleaned = 0.00108051 Jy ! Component: 3300 - total flux cleaned = 0.00112662 Jy ! Component: 3350 - total flux cleaned = 0.0011189 Jy ! Component: 3400 - total flux cleaned = 0.001172 Jy ! Component: 3450 - total flux cleaned = 0.00117201 Jy ! Component: 3500 - total flux cleaned = 0.00120952 Jy ! Component: 3550 - total flux cleaned = 0.00121696 Jy ! Component: 3600 - total flux cleaned = 0.00120954 Jy ! Component: 3650 - total flux cleaned = 0.00126131 Jy ! Component: 3700 - total flux cleaned = 0.00128339 Jy ! Component: 3750 - total flux cleaned = 0.00131999 Jy ! Component: 3800 - total flux cleaned = 0.00133459 Jy ! Component: 3850 - total flux cleaned = 0.00134177 Jy ! Component: 3900 - total flux cleaned = 0.00138507 Jy ! Component: 3950 - total flux cleaned = 0.00140663 Jy ! Component: 4000 - total flux cleaned = 0.00140662 Jy ! Component: 4050 - total flux cleaned = 0.00143506 Jy ! Total flux subtracted in 4096 components = 0.00144204 Jy ! Clean residual min=-0.000474 max=0.000411 Jy/beam ! Clean residual mean=-0.000001 rms=0.000119 Jy/beam ! Combined flux in latest and established models = 0.0987961 Jy keep ! Adding 325 model components to the UV plane model. ! The established model now contains 365 components and 0.0987961 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1746+6421_X_b_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9801 x 1.257 at -35.94 degrees (North through East) ! Clean map min=-0.00065122 max=0.067104 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1746+6421_X_b_map.fits wmodel /image_prod/ug002_uva//J1746+6421_X_b_map.mod ! Writing 365 model components to file: /image_prod/ug002_uva//J1746+6421_X_b_map.mod wobs /image_prod/ug002_uva//J1746+6421_X_b_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1746+6421_X_b_uvs.fits wwins /image_prod/ug002_uva//J1746+6421_X_b_map.win ! wwins: Wrote 3 windows to /image_prod/ug002_uva//J1746+6421_X_b_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0671041 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000119107 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.532486 0.532486 1.06497 2.12995 4.25989 8.51978 17.0396 34.0791 68.1583 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.067 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 563.394 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1746+6421_X_b_dfm.log closed on Thu Mar 5 03:26:58 2020