! Started logfile: .//J1753+2750_C_dfm.log on Mon Jan 20 18:41:06 2020 float field_size field_size = 1024 float field_cell field_cell = 0.3000 float taper_size taper_size = 40.0 float freq freq = 4.12800 obs .//J1753+2750_C_uva.fits ! Reading UV FITS file: .//J1753+2750_C_uva.fits ! AN table 1: 17 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.976471 visibilities/baseline/integration-bin. ! Found source: J1753+2750 ! ! There are 8 IFs, and a total of 8 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 4.128e+09 3.2e+07 1 3.2e+07 ! 02 2 4.16e+09 3.2e+07 1 3.2e+07 ! 03 3 4.192e+09 3.2e+07 1 3.2e+07 ! 04 4 4.224e+09 3.2e+07 1 3.2e+07 ! 05 5 4.416e+09 3.2e+07 1 3.2e+07 ! 06 6 4.512e+09 3.2e+07 1 3.2e+07 ! 07 7 4.544e+09 3.2e+07 1 3.2e+07 ! 08 8 4.576e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 94 lines of history. ! ! Reading 5976 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 8 channels. ! Selecting polarization: RR, channels: 1..8 ! 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 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.3 print "taper_size =", taper_size ! taper_size = 40 ![@/opt64/bin/pima_mupet_01.dfm J1753+2750_C] 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 0.300x0.300 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 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.017649Jy sigma=24.221061 ! Fit after self-cal, rms=0.812556Jy sigma=19.252298 ! 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=1.359 mas, bmaj=3.761 mas, bpa=7.05 degrees ! Estimated noise=0.575129 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 = 0.13711 Jy ! Component: 100 - total flux cleaned = 0.17939 Jy ! Total flux subtracted in 100 components = 0.17939 Jy ! Clean residual min=-0.008076 max=0.019695 Jy/beam ! Clean residual mean=-0.000013 rms=0.002456 Jy/beam ! Combined flux in latest and established models = 0.17939 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.17939 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. ! ! Fit before self-cal, rms=0.054438Jy sigma=1.274470 ! Fit after self-cal, rms=0.054355Jy sigma=1.273333 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0219357 Jy ! Component: 100 - total flux cleaned = 0.0341621 Jy ! Total flux subtracted in 100 components = 0.0341621 Jy ! Clean residual min=-0.005371 max=0.008549 Jy/beam ! Clean residual mean=-0.000005 rms=0.001504 Jy/beam ! Combined flux in latest and established models = 0.213552 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 18 components and 0.213552 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. ! ! Fit before self-cal, rms=0.040901Jy sigma=0.928595 ! Fit after self-cal, rms=0.040825Jy sigma=0.927433 ! 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=1.587 mas, bmaj=4.141 mas, bpa=6.887 degrees ! Estimated noise=0.390595 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 (-2.1, 0.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0135183 Jy ! Component: 100 - total flux cleaned = 0.0219468 Jy ! Component: 150 - total flux cleaned = 0.0275078 Jy ! Component: 200 - total flux cleaned = 0.0313152 Jy ! Total flux subtracted in 200 components = 0.0313152 Jy ! Clean residual min=-0.004172 max=0.008334 Jy/beam ! Clean residual mean=0.000003 rms=0.001338 Jy/beam ! Combined flux in latest and established models = 0.244867 Jy ! Performing phase self-cal ! Adding 43 model components to the UV plane model. ! The established model now contains 55 components and 0.244868 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. ! ! Fit before self-cal, rms=0.035649Jy sigma=0.794109 ! Fit after self-cal, rms=0.035359Jy sigma=0.787238 ! Inverting map ! Added new window around map position (-16.8, -15.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00855453 Jy ! Component: 100 - total flux cleaned = 0.0135284 Jy ! Component: 150 - total flux cleaned = 0.0172027 Jy ! Component: 200 - total flux cleaned = 0.0202188 Jy ! Total flux subtracted in 200 components = 0.0202188 Jy ! Clean residual min=-0.003112 max=0.003670 Jy/beam ! Clean residual mean=0.000001 rms=0.000795 Jy/beam ! Combined flux in latest and established models = 0.265086 Jy ! Performing phase self-cal ! Adding 46 model components to the UV plane model. ! The established model now contains 93 components and 0.265086 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. ! ! Fit before self-cal, rms=0.032957Jy sigma=0.726359 ! Fit after self-cal, rms=0.032855Jy sigma=0.724017 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.587 x 4.141 at 6.887 degrees (North through East) ! Clean map min=-0.00301 max=0.18809 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.97 HN 1.01 KP 0.98 ! LA 0.97 MK 1.04 NL 0.97 OV 0.97 ! PT 0.97 SC 0.95 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.96 HN 1.01 KP 0.99 ! LA 0.98 MK 1.04 NL 1.02 OV 0.97 ! PT 0.95 SC 0.97 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.96 HN 1.01 KP 0.98 ! LA 0.99 MK 1.06 NL 1.00 OV 0.97 ! PT 0.96 SC 0.98 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.96 HN 0.95 KP 0.98 ! LA 0.98 MK 1.02 NL 1.00 OV 0.96 ! PT 0.99 SC 0.97 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.98 HN 1.02 KP 1.01 ! LA 1.02 MK 1.00 NL 0.99 OV 1.01 ! PT 1.00 SC 1.01 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.99 HN 1.05 KP 1.03 ! LA 1.02 MK 0.94 NL 0.99 OV 0.99 ! PT 1.00 SC 1.03 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.00 HN 1.06 KP 1.01 ! LA 1.01 MK 0.89 NL 0.97 OV 1.02 ! PT 1.00 SC 1.07 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.00 HN 1.06 KP 1.00 ! LA 1.03 MK 0.89 NL 0.96 OV 1.00 ! PT 1.03 SC 1.09 ! ! ! Fit before self-cal, rms=0.032855Jy sigma=0.724017 ! Fit after self-cal, rms=0.031119Jy sigma=0.692058 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.589 mas, bmaj=4.165 mas, bpa=6.736 degrees ! Estimated noise=0.38703 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 = 0.0027951 Jy ! Component: 100 - total flux cleaned = 0.00468994 Jy ! Component: 150 - total flux cleaned = 0.00623043 Jy ! Component: 200 - total flux cleaned = 0.00752944 Jy ! Total flux subtracted in 200 components = 0.00752944 Jy ! Clean residual min=-0.001961 max=0.001649 Jy/beam ! Clean residual mean=-0.000000 rms=0.000408 Jy/beam ! Combined flux in latest and established models = 0.272616 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 121 components and 0.272616 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. ! ! Fit before self-cal, rms=0.030767Jy sigma=0.683552 ! Fit after self-cal, rms=0.030756Jy sigma=0.683244 ! 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. ! ! Fit before self-cal, rms=0.030756Jy sigma=0.683244 ! Fit after self-cal, rms=0.030708Jy sigma=0.683013 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.588 mas, bmaj=4.162 mas, bpa=6.744 degrees ! Estimated noise=0.386521 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00134497 Jy ! Component: 100 - total flux cleaned = 0.00241863 Jy ! Component: 150 - total flux cleaned = 0.00332541 Jy ! Component: 200 - total flux cleaned = 0.00400992 Jy ! Total flux subtracted in 200 components = 0.00400992 Jy ! Clean residual min=-0.001823 max=0.001530 Jy/beam ! Clean residual mean=-0.000000 rms=0.000362 Jy/beam ! Combined flux in latest and established models = 0.276626 Jy selfcal ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 131 components and 0.276626 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. ! ! Fit before self-cal, rms=0.030604Jy sigma=0.680685 ! Fit after self-cal, rms=0.030597Jy sigma=0.680568 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 = 0.000657527 Jy ! Component: 100 - total flux cleaned = 0.000993203 Jy ! Component: 150 - total flux cleaned = 0.00120318 Jy ! Component: 200 - total flux cleaned = 0.00141662 Jy ! Total flux subtracted in 200 components = 0.00141662 Jy ! Clean residual min=-0.001752 max=0.001459 Jy/beam ! Clean residual mean=-0.000000 rms=0.000347 Jy/beam ! Combined flux in latest and established models = 0.278042 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 138 components and 0.278042 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. ! ! Fit before self-cal, rms=0.030559Jy sigma=0.679696 ! Fit after self-cal, rms=0.030555Jy sigma=0.679649 ! 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. ! ! Fit before self-cal, rms=0.030555Jy sigma=0.679649 ! Fit after self-cal, rms=0.030541Jy sigma=0.679387 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.585 mas, bmaj=4.157 mas, bpa=6.739 degrees ! Estimated noise=0.386437 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000779178 Jy ! Component: 100 - total flux cleaned = 0.00119656 Jy ! Component: 150 - total flux cleaned = 0.00156057 Jy ! Component: 200 - total flux cleaned = 0.00178325 Jy ! Total flux subtracted in 200 components = 0.00178325 Jy ! Clean residual min=-0.001725 max=0.001452 Jy/beam ! Clean residual mean=-0.000000 rms=0.000333 Jy/beam ! Combined flux in latest and established models = 0.279826 Jy selfcal ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 155 components and 0.279826 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. ! ! Fit before self-cal, rms=0.030509Jy sigma=0.678684 ! Fit after self-cal, rms=0.030506Jy sigma=0.678646 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 = 0.000132806 Jy ! Component: 100 - total flux cleaned = 0.000229355 Jy ! Component: 150 - total flux cleaned = 0.000302984 Jy ! Component: 200 - total flux cleaned = 0.000344069 Jy ! Total flux subtracted in 200 components = 0.000344069 Jy ! Clean residual min=-0.001681 max=0.001423 Jy/beam ! Clean residual mean=-0.000000 rms=0.000327 Jy/beam ! Combined flux in latest and established models = 0.28017 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 169 components and 0.28017 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. ! ! Fit before self-cal, rms=0.030492Jy sigma=0.678317 ! Fit after self-cal, rms=0.030490Jy sigma=0.678294 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 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. ! ! Fit before self-cal, rms=0.030490Jy sigma=0.678294 ! Fit after self-cal, rms=0.030483Jy sigma=0.678173 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.524 mas, bmaj=5.245 mas, bpa=1.408 degrees ! Estimated noise=0.495956 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000886324 Jy ! Component: 100 - total flux cleaned = 0.00129446 Jy ! Component: 150 - total flux cleaned = 0.00151399 Jy ! Component: 200 - total flux cleaned = 0.00169495 Jy ! Total flux subtracted in 200 components = 0.00169495 Jy ! Clean residual min=-0.002076 max=0.001577 Jy/beam ! Clean residual mean=-0.000000 rms=0.000440 Jy/beam ! Combined flux in latest and established models = 0.281865 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 182 components and 0.281865 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. ! ! Fit before self-cal, rms=0.030475Jy sigma=0.678024 ! Fit after self-cal, rms=0.030472Jy sigma=0.677978 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 = 0.000310804 Jy ! Component: 100 - total flux cleaned = 0.000395173 Jy ! Component: 150 - total flux cleaned = 0.000394813 Jy ! Component: 200 - total flux cleaned = 0.000394432 Jy ! Total flux subtracted in 200 components = 0.000394432 Jy ! Clean residual min=-0.002027 max=0.001542 Jy/beam ! Clean residual mean=-0.000000 rms=0.000431 Jy/beam ! Combined flux in latest and established models = 0.282259 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 194 components and 0.282259 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. ! ! Fit before self-cal, rms=0.030471Jy sigma=0.678001 ! Fit after self-cal, rms=0.030470Jy sigma=0.677991 ! 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=1.584 mas, bmaj=4.154 mas, bpa=6.724 degrees ! Estimated noise=0.386414 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.584 x 4.154 at 6.724 degrees (North through East) ! Clean map min=-0.0016781 max=0.18637 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=1.356 mas, bmaj=3.775 mas, bpa=6.9 degrees ! Estimated noise=0.568355 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.135362 Jy ! Component: 100 - total flux cleaned = 0.177819 Jy ! Component: 150 - total flux cleaned = 0.199908 Jy ! Component: 200 - total flux cleaned = 0.21334 Jy ! Total flux subtracted in 200 components = 0.21334 Jy ! Clean residual min=-0.005197 max=0.007243 Jy/beam ! Clean residual mean=-0.000006 rms=0.001326 Jy/beam ! Combined flux in latest and established models = 0.21334 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 13 model components to the UV plane model. ! The established model now contains 13 components and 0.21334 Jy ! Inverting map and beam ! Estimated beam: bmin=1.584 mas, bmaj=4.154 mas, bpa=6.724 degrees ! Estimated noise=0.386414 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 = 0.0135225 Jy ! Component: 100 - total flux cleaned = 0.023156 Jy ! Component: 150 - total flux cleaned = 0.0307178 Jy ! Component: 200 - total flux cleaned = 0.0367803 Jy ! Total flux subtracted in 200 components = 0.0367803 Jy ! Clean residual min=-0.003153 max=0.003627 Jy/beam ! Clean residual mean=-0.000003 rms=0.000921 Jy/beam ! Combined flux in latest and established models = 0.250121 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 53 components and 0.250121 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.524 mas, bmaj=5.245 mas, bpa=1.408 degrees ! Estimated noise=0.495956 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0084275 Jy ! Component: 100 - total flux cleaned = 0.013963 Jy ! Component: 150 - total flux cleaned = 0.0179284 Jy ! Component: 200 - total flux cleaned = 0.0208727 Jy ! Total flux subtracted in 200 components = 0.0208727 Jy ! Clean residual min=-0.002789 max=0.002380 Jy/beam ! Clean residual mean=-0.000002 rms=0.000722 Jy/beam ! Combined flux in latest and established models = 0.270993 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 = 0.00230175 Jy ! Component: 100 - total flux cleaned = 0.00414303 Jy ! Component: 150 - total flux cleaned = 0.00563016 Jy ! Component: 200 - total flux cleaned = 0.00684034 Jy ! Total flux subtracted in 200 components = 0.00684034 Jy ! Clean residual min=-0.002276 max=0.001770 Jy/beam ! Clean residual mean=-0.000001 rms=0.000494 Jy/beam ! Combined flux in latest and established models = 0.277834 Jy ! Adding 97 model components to the UV plane model. ! The established model now contains 136 components and 0.277834 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.584 mas, bmaj=4.154 mas, bpa=6.724 degrees ! Estimated noise=0.386414 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00158265 Jy ! Component: 100 - total flux cleaned = 0.00244182 Jy ! Component: 150 - total flux cleaned = 0.00291293 Jy ! Component: 200 - total flux cleaned = 0.0031939 Jy ! Total flux subtracted in 200 components = 0.0031939 Jy ! Clean residual min=-0.001632 max=0.001436 Jy/beam ! Clean residual mean=-0.000000 rms=0.000336 Jy/beam ! Combined flux in latest and established models = 0.281027 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 154 components and 0.281028 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. ! ! Fit before self-cal, rms=0.030559Jy sigma=0.679945 ! Fit after self-cal, rms=0.030548Jy sigma=0.679677 wmodel J1753+2750_C_map.mod ! Writing 154 model components to file: J1753+2750_C_map.mod wobs J1753+2750_C_uvs.fits ! Writing UV FITS file: J1753+2750_C_uvs.fits wwins J1753+2750_C_map.win ! wwins: Wrote 3 windows to J1753+2750_C_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 = -0.000482325 Jy ! Component: 100 - total flux cleaned = -0.000552956 Jy ! Component: 150 - total flux cleaned = -0.000682188 Jy ! Component: 200 - total flux cleaned = -0.000763835 Jy ! Component: 250 - total flux cleaned = -0.000822255 Jy ! Component: 300 - total flux cleaned = -0.000784613 Jy ! Component: 350 - total flux cleaned = -0.00085712 Jy ! Component: 400 - total flux cleaned = -0.000892097 Jy ! Component: 450 - total flux cleaned = -0.000875167 Jy ! Component: 500 - total flux cleaned = -0.000925378 Jy ! Component: 550 - total flux cleaned = -0.00100671 Jy ! Component: 600 - total flux cleaned = -0.00100632 Jy ! Component: 650 - total flux cleaned = -0.00100649 Jy ! Component: 700 - total flux cleaned = -0.00108276 Jy ! Component: 750 - total flux cleaned = -0.00111279 Jy ! Component: 800 - total flux cleaned = -0.00112781 Jy ! Component: 850 - total flux cleaned = -0.00124406 Jy ! Component: 900 - total flux cleaned = -0.00128659 Jy ! Component: 950 - total flux cleaned = -0.00131459 Jy ! Component: 1000 - total flux cleaned = -0.00136954 Jy ! Component: 1050 - total flux cleaned = -0.00138296 Jy ! Component: 1100 - total flux cleaned = -0.00143621 Jy ! Component: 1150 - total flux cleaned = -0.00151465 Jy ! Component: 1200 - total flux cleaned = -0.0015276 Jy ! Component: 1250 - total flux cleaned = -0.00157865 Jy ! Component: 1300 - total flux cleaned = -0.00160377 Jy ! Component: 1350 - total flux cleaned = -0.00162871 Jy ! Component: 1400 - total flux cleaned = -0.00167763 Jy ! Component: 1450 - total flux cleaned = -0.00173766 Jy ! Component: 1500 - total flux cleaned = -0.00177289 Jy ! Component: 1550 - total flux cleaned = -0.00178462 Jy ! Component: 1600 - total flux cleaned = -0.00185381 Jy ! Component: 1650 - total flux cleaned = -0.00187658 Jy ! Component: 1700 - total flux cleaned = -0.00191017 Jy ! Component: 1750 - total flux cleaned = -0.00194353 Jy ! Component: 1800 - total flux cleaned = -0.00198728 Jy ! Component: 1850 - total flux cleaned = -0.00203057 Jy ! Component: 1900 - total flux cleaned = -0.00205199 Jy ! Component: 1950 - total flux cleaned = -0.00211527 Jy ! Component: 2000 - total flux cleaned = -0.00207341 Jy ! Component: 2050 - total flux cleaned = -0.00211494 Jy ! Component: 2100 - total flux cleaned = -0.00213545 Jy ! Component: 2150 - total flux cleaned = -0.0021759 Jy ! Component: 2200 - total flux cleaned = -0.00217602 Jy ! Component: 2250 - total flux cleaned = -0.00220585 Jy ! Component: 2300 - total flux cleaned = -0.00225504 Jy ! Component: 2350 - total flux cleaned = -0.00231319 Jy ! Component: 2400 - total flux cleaned = -0.00231309 Jy ! Component: 2450 - total flux cleaned = -0.00233207 Jy ! Component: 2500 - total flux cleaned = -0.00240754 Jy ! Component: 2550 - total flux cleaned = -0.00241699 Jy ! Component: 2600 - total flux cleaned = -0.00242632 Jy ! Component: 2650 - total flux cleaned = -0.00246299 Jy ! Component: 2700 - total flux cleaned = -0.00250823 Jy ! Component: 2750 - total flux cleaned = -0.00249905 Jy ! Component: 2800 - total flux cleaned = -0.00250807 Jy ! Component: 2850 - total flux cleaned = -0.00254355 Jy ! Component: 2900 - total flux cleaned = -0.0025436 Jy ! Component: 2950 - total flux cleaned = -0.00256105 Jy ! Component: 3000 - total flux cleaned = -0.00256113 Jy ! Component: 3050 - total flux cleaned = -0.00256975 Jy ! Component: 3100 - total flux cleaned = -0.00256982 Jy ! Component: 3150 - total flux cleaned = -0.00258674 Jy ! Component: 3200 - total flux cleaned = -0.00259514 Jy ! Component: 3250 - total flux cleaned = -0.00261158 Jy ! Component: 3300 - total flux cleaned = -0.00261153 Jy ! Component: 3350 - total flux cleaned = -0.0026034 Jy ! Component: 3400 - total flux cleaned = -0.00261155 Jy ! Component: 3450 - total flux cleaned = -0.00262761 Jy ! Component: 3500 - total flux cleaned = -0.00261969 Jy ! Component: 3550 - total flux cleaned = -0.00265133 Jy ! Component: 3600 - total flux cleaned = -0.00264348 Jy ! Component: 3650 - total flux cleaned = -0.00265896 Jy ! Component: 3700 - total flux cleaned = -0.00265129 Jy ! Component: 3750 - total flux cleaned = -0.00266656 Jy ! Component: 3800 - total flux cleaned = -0.00268172 Jy ! Component: 3850 - total flux cleaned = -0.00265906 Jy ! Component: 3900 - total flux cleaned = -0.00268899 Jy ! Component: 3950 - total flux cleaned = -0.00268154 Jy ! Component: 4000 - total flux cleaned = -0.00265952 Jy ! Component: 4050 - total flux cleaned = -0.00268884 Jy ! Total flux subtracted in 4096 components = -0.0026743 Jy ! Clean residual min=-0.000502 max=0.000391 Jy/beam ! Clean residual mean=-0.000000 rms=0.000129 Jy/beam ! Combined flux in latest and established models = 0.278353 Jy keep ! Adding 316 model components to the UV plane model. ! The established model now contains 470 components and 0.278353 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap .//J1753+2750_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.584 x 4.154 at 6.724 degrees (North through East) ! Clean map min=-0.0010996 max=0.18585 Jy/beam ! Writing clean map to FITS file: .//J1753+2750_C_map.fits wmodel .//J1753+2750_C_map.mod ! Writing 470 model components to file: .//J1753+2750_C_map.mod wobs .//J1753+2750_C_uvs.fits ! Writing UV FITS file: .//J1753+2750_C_uvs.fits wwins .//J1753+2750_C_map.win ! wwins: Wrote 4 windows to .//J1753+2750_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.185849 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000127413 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.205672 0.205672 0.411344 0.822689 1.64538 3.29076 6.58151 13.163 26.326 52.6521 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.185 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1458.63 quit ! Quitting program ! Log file .//J1753+2750_C_dfm.log closed on Mon Jan 20 18:41:10 2020