! Started logfile: /vlbi/sb072/temp_maps//J1855+0251_X_dfm.log on Sat Dec 15 22:36:28 2018 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 7.39200 obs /vlbi/sb072/temp_maps//J1855+0251_X_uva.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J1855+0251_X_uva.fits ! AN table 1: 17 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.976471 visibilities/baseline/integration-bin. ! Found source: J1855+0251 ! ! 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 7.392e+09 3.2e+07 1 3.2e+07 ! 02 2 7.424e+09 3.2e+07 1 3.2e+07 ! 03 3 7.456e+09 3.2e+07 1 3.2e+07 ! 04 4 7.552e+09 3.2e+07 1 3.2e+07 ! 05 5 7.744e+09 3.2e+07 1 3.2e+07 ! 06 6 7.776e+09 3.2e+07 1 3.2e+07 ! 07 7 7.808e+09 3.2e+07 1 3.2e+07 ! 08 8 7.84e+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 = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/opt64/bin/pima_mupet_01.dfm J1855+0251_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 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=1.002113Jy sigma=36.190190 ! Fit after self-cal, rms=0.948655Jy sigma=33.961323 ! 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=0.8028 mas, bmaj=1.904 mas, bpa=0.4902 degrees ! Estimated noise=0.439086 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 = 0.0350074 Jy ! Component: 100 - total flux cleaned = 0.0542632 Jy ! Total flux subtracted in 100 components = 0.0542632 Jy ! Clean residual min=-0.005452 max=0.012553 Jy/beam ! Clean residual mean=-0.000010 rms=0.001773 Jy/beam ! Combined flux in latest and established models = 0.0542632 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 22 components and 0.0542632 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=0.044229Jy sigma=1.620259 ! Fit after self-cal, rms=0.043329Jy sigma=1.600436 ! Inverting map ! Added new window around map position (-1, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0134815 Jy ! Component: 100 - total flux cleaned = 0.0226965 Jy ! Total flux subtracted in 100 components = 0.0226965 Jy ! Clean residual min=-0.004392 max=0.007856 Jy/beam ! Clean residual mean=-0.000006 rms=0.001179 Jy/beam ! Combined flux in latest and established models = 0.0769597 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 51 components and 0.0769597 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=0.035731Jy sigma=1.257227 ! Fit after self-cal, rms=0.035653Jy sigma=1.254106 ! Inverting map ! Added new window around map position (1.2, -0.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00786874 Jy ! Component: 100 - total flux cleaned = 0.0135329 Jy ! Total flux subtracted in 100 components = 0.0135329 Jy ! Clean residual min=-0.003408 max=0.003845 Jy/beam ! Clean residual mean=-0.000004 rms=0.000893 Jy/beam ! Combined flux in latest and established models = 0.0904926 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 72 components and 0.0904926 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=0.032609Jy sigma=1.112027 ! Fit after self-cal, rms=0.032553Jy sigma=1.111434 ! 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=1.018 mas, bmaj=2.34 mas, bpa=-0.3672 degrees ! Estimated noise=0.263363 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 = 0.008211 Jy ! Component: 100 - total flux cleaned = 0.0139472 Jy ! Component: 150 - total flux cleaned = 0.018153 Jy ! Component: 200 - total flux cleaned = 0.0213079 Jy ! Total flux subtracted in 200 components = 0.0213079 Jy ! Clean residual min=-0.003687 max=0.003753 Jy/beam ! Clean residual mean=0.000000 rms=0.001027 Jy/beam ! Combined flux in latest and established models = 0.111801 Jy ! Performing phase self-cal ! Adding 54 model components to the UV plane model. ! The established model now contains 114 components and 0.111801 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=0.030099Jy sigma=0.995619 ! Fit after self-cal, rms=0.030068Jy sigma=0.994849 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.018 x 2.34 at -0.3672 degrees (North through East) ! Clean map min=-0.0033731 max=0.0491 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.05 HN 0.96 KP 0.89 ! LA 1.12 MK 1.28 NL 1.23 OV 0.95 ! PT 0.87 SC 1.12 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.05 HN 0.90 KP 0.88 ! LA 1.10 MK 1.31 NL 1.21 OV 0.93 ! PT 0.89 SC 1.12 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.02 HN 0.82 KP 0.89 ! LA 1.11 MK 1.43 NL 1.23 OV 0.95 ! PT 0.89 SC 1.54 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.05 HN 0.84 KP 0.88 ! LA 1.07 MK 1.09 NL 1.17 OV 0.94 ! PT 0.88 SC 1.38 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.04 HN 0.77 KP 0.88 ! LA 1.11 MK 1.03 NL 1.12 OV 0.92 ! PT 0.87 SC 1.68 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.02 HN 0.76 KP 0.88 ! LA 1.10 MK 1.06 NL 1.12 OV 0.90 ! PT 0.89 SC 1.13 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.00 HN 0.75 KP 0.89 ! LA 1.07 MK 1.09 NL 1.11 OV 0.91 ! PT 0.91 SC 1.42 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.03 HN 0.81 KP 0.86 ! LA 1.11 MK 1.00 NL 1.13 OV 0.92 ! PT 0.87 SC 0.93 ! ! ! Fit before self-cal, rms=0.030068Jy sigma=0.994849 ! Fit after self-cal, rms=0.029247Jy sigma=0.922118 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.056 mas, bmaj=2.463 mas, bpa=-2.017 degrees ! Estimated noise=0.269942 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 = 0.000367644 Jy ! Component: 100 - total flux cleaned = 0.000555163 Jy ! Component: 150 - total flux cleaned = 0.000630738 Jy ! Component: 200 - total flux cleaned = 0.00069335 Jy ! Total flux subtracted in 200 components = 0.00069335 Jy ! Clean residual min=-0.001206 max=0.001746 Jy/beam ! Clean residual mean=-0.000001 rms=0.000391 Jy/beam ! Combined flux in latest and established models = 0.112494 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 122 components and 0.112494 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=0.029183Jy sigma=0.919418 ! Fit after self-cal, rms=0.029186Jy sigma=0.918687 ! 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=0.029186Jy sigma=0.918687 ! Fit after self-cal, rms=0.029066Jy sigma=0.918204 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.056 mas, bmaj=2.472 mas, bpa=-2.554 degrees ! Estimated noise=0.269686 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000234994 Jy ! Component: 100 - total flux cleaned = 0.000233452 Jy ! Component: 150 - total flux cleaned = 0.000272314 Jy ! Component: 200 - total flux cleaned = 0.000289931 Jy ! Total flux subtracted in 200 components = 0.000289931 Jy ! Clean residual min=-0.001134 max=0.001675 Jy/beam ! Clean residual mean=-0.000002 rms=0.000367 Jy/beam ! Combined flux in latest and established models = 0.112784 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 123 components and 0.112784 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=0.029036Jy sigma=0.916721 ! Fit after self-cal, rms=0.029031Jy sigma=0.916599 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 (7.4, -21.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00132162 Jy ! Component: 100 - total flux cleaned = 0.00162166 Jy ! Component: 150 - total flux cleaned = 0.00174272 Jy ! Component: 200 - total flux cleaned = 0.00182652 Jy ! Total flux subtracted in 200 components = 0.00182652 Jy ! Clean residual min=-0.001133 max=0.001385 Jy/beam ! Clean residual mean=-0.000001 rms=0.000325 Jy/beam ! Combined flux in latest and established models = 0.11461 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 145 components and 0.11461 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=0.028955Jy sigma=0.913431 ! Fit after self-cal, rms=0.028950Jy sigma=0.913330 ! 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=0.028950Jy sigma=0.913330 ! Fit after self-cal, rms=0.029013Jy sigma=0.913495 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.055 mas, bmaj=2.469 mas, bpa=-2.63 degrees ! Estimated noise=0.270076 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000352724 Jy ! Component: 100 - total flux cleaned = 0.000394444 Jy ! Component: 150 - total flux cleaned = 0.000394869 Jy ! Component: 200 - total flux cleaned = 0.000411299 Jy ! Total flux subtracted in 200 components = 0.000411299 Jy ! Clean residual min=-0.001070 max=0.001369 Jy/beam ! Clean residual mean=-0.000002 rms=0.000315 Jy/beam ! Combined flux in latest and established models = 0.115022 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 156 components and 0.115022 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=0.028988Jy sigma=0.912434 ! Fit after self-cal, rms=0.028988Jy sigma=0.912379 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 (-36, -11.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00125776 Jy ! Component: 100 - total flux cleaned = 0.00135471 Jy ! Component: 150 - total flux cleaned = 0.00125523 Jy ! Component: 200 - total flux cleaned = 0.00127157 Jy ! Total flux subtracted in 200 components = 0.00127157 Jy ! Clean residual min=-0.001128 max=0.001393 Jy/beam ! Clean residual mean=-0.000002 rms=0.000297 Jy/beam ! Combined flux in latest and established models = 0.116293 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 176 components and 0.116293 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=0.028928Jy sigma=0.910136 ! Fit after self-cal, rms=0.028922Jy sigma=0.909906 ! Inverting map ! Added new window around map position (50.4, -4.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000931999 Jy ! Component: 100 - total flux cleaned = 0.00117306 Jy ! Component: 150 - total flux cleaned = 0.00132361 Jy ! Component: 200 - total flux cleaned = 0.00136193 Jy ! Total flux subtracted in 200 components = 0.00136193 Jy ! Clean residual min=-0.001021 max=0.001248 Jy/beam ! Clean residual mean=-0.000001 rms=0.000276 Jy/beam ! Combined flux in latest and established models = 0.117655 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 199 components and 0.117655 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=0.028862Jy sigma=0.907588 ! Fit after self-cal, rms=0.028858Jy sigma=0.907317 ! 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. ! ! Fit before self-cal, rms=0.028858Jy sigma=0.907317 ! Fit after self-cal, rms=0.028949Jy sigma=0.909626 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.222 mas, bmaj=3.643 mas, bpa=-8.841 degrees ! Estimated noise=0.306414 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000963897 Jy ! Component: 100 - total flux cleaned = 0.00116125 Jy ! Component: 150 - total flux cleaned = 0.00113926 Jy ! Component: 200 - total flux cleaned = 0.00113937 Jy ! Total flux subtracted in 200 components = 0.00113937 Jy ! Clean residual min=-0.001833 max=0.001641 Jy/beam ! Clean residual mean=-0.000002 rms=0.000400 Jy/beam ! Combined flux in latest and established models = 0.118794 Jy selfcal ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 219 components and 0.118794 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=0.028930Jy sigma=0.908711 ! Fit after self-cal, rms=0.028926Jy sigma=0.908557 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 = 0.000227568 Jy ! Component: 100 - total flux cleaned = 0.000290847 Jy ! Component: 150 - total flux cleaned = 0.000333091 Jy ! Component: 200 - total flux cleaned = 0.000345778 Jy ! Total flux subtracted in 200 components = 0.000345778 Jy ! Clean residual min=-0.001808 max=0.001605 Jy/beam ! Clean residual mean=-0.000002 rms=0.000395 Jy/beam ! Combined flux in latest and established models = 0.11914 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 233 components and 0.11914 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=0.028919Jy sigma=0.908365 ! Fit after self-cal, rms=0.028918Jy sigma=0.908337 ! 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=1.054 mas, bmaj=2.466 mas, bpa=-2.742 degrees ! Estimated noise=0.269895 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.054 x 2.466 at -2.742 degrees (North through East) ! Clean map min=-0.0011806 max=0.049763 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=0.8323 mas, bmaj=1.968 mas, bpa=-1.727 degrees ! Estimated noise=0.471243 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.037774 Jy ! Component: 100 - total flux cleaned = 0.0577493 Jy ! Component: 150 - total flux cleaned = 0.0703206 Jy ! Component: 200 - total flux cleaned = 0.0792314 Jy ! Total flux subtracted in 200 components = 0.0792314 Jy ! Clean residual min=-0.003401 max=0.005059 Jy/beam ! Clean residual mean=-0.000008 rms=0.000992 Jy/beam ! Combined flux in latest and established models = 0.0792314 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 49 model components to the UV plane model. ! The established model now contains 49 components and 0.0792314 Jy ! Inverting map and beam ! Estimated beam: bmin=1.054 mas, bmaj=2.466 mas, bpa=-2.742 degrees ! Estimated noise=0.269895 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 = 0.0111796 Jy ! Component: 100 - total flux cleaned = 0.0180484 Jy ! Component: 150 - total flux cleaned = 0.0226567 Jy ! Component: 200 - total flux cleaned = 0.0259652 Jy ! Total flux subtracted in 200 components = 0.0259652 Jy ! Clean residual min=-0.001693 max=0.002687 Jy/beam ! Clean residual mean=-0.000007 rms=0.000575 Jy/beam ! Combined flux in latest and established models = 0.105197 Jy ! Adding 69 model components to the UV plane model. ! The established model now contains 109 components and 0.105197 Jy ! Inverting map ! Added new window around map position (10, -14.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00279911 Jy ! Component: 100 - total flux cleaned = 0.00486872 Jy ! Component: 150 - total flux cleaned = 0.00654726 Jy ! Component: 200 - total flux cleaned = 0.00783841 Jy ! Total flux subtracted in 200 components = 0.00783841 Jy ! Clean residual min=-0.001290 max=0.001439 Jy/beam ! Clean residual mean=-0.000003 rms=0.000356 Jy/beam ! Combined flux in latest and established models = 0.113035 Jy ! Adding 39 model components to the UV plane model. ! The established model now contains 139 components and 0.113035 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=2.222 mas, bmaj=3.643 mas, bpa=-8.841 degrees ! Estimated noise=0.306414 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00188652 Jy ! Component: 100 - total flux cleaned = 0.00272396 Jy ! Component: 150 - total flux cleaned = 0.00304575 Jy ! Component: 200 - total flux cleaned = 0.00328406 Jy ! Total flux subtracted in 200 components = 0.00328406 Jy ! Clean residual min=-0.001817 max=0.001466 Jy/beam ! Clean residual mean=-0.000003 rms=0.000436 Jy/beam ! Combined flux in latest and established models = 0.116319 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 = 0.000175479 Jy ! Component: 100 - total flux cleaned = 0.00030029 Jy ! Component: 150 - total flux cleaned = 0.000441827 Jy ! Component: 200 - total flux cleaned = 0.000592592 Jy ! Total flux subtracted in 200 components = 0.000592592 Jy ! Clean residual min=-0.001836 max=0.001458 Jy/beam ! Clean residual mean=-0.000003 rms=0.000407 Jy/beam ! Combined flux in latest and established models = 0.116912 Jy ! Adding 61 model components to the UV plane model. ! The established model now contains 187 components and 0.116912 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.054 mas, bmaj=2.466 mas, bpa=-2.742 degrees ! Estimated noise=0.269895 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.67793e-05 Jy ! Component: 100 - total flux cleaned = 0.000167118 Jy ! Component: 150 - total flux cleaned = 0.000295727 Jy ! Component: 200 - total flux cleaned = 0.000452452 Jy ! Total flux subtracted in 200 components = 0.000452452 Jy ! Clean residual min=-0.001155 max=0.001041 Jy/beam ! Clean residual mean=-0.000002 rms=0.000265 Jy/beam ! Combined flux in latest and established models = 0.117364 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 209 components and 0.117364 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=0.028942Jy sigma=0.908700 ! Fit after self-cal, rms=0.028916Jy sigma=0.908307 wmodel J1855+0251_X_map.mod ! Writing 209 model components to file: J1855+0251_X_map.mod wobs J1855+0251_X_uvs.fits ! Writing UV FITS file: J1855+0251_X_uvs.fits wwins J1855+0251_X_map.win ! wwins: Wrote 7 windows to J1855+0251_X_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000269768 Jy ! Component: 100 - total flux cleaned = -0.000269158 Jy ! Component: 150 - total flux cleaned = -0.00023457 Jy ! Component: 200 - total flux cleaned = -0.000201503 Jy ! Component: 250 - total flux cleaned = -0.00015378 Jy ! Component: 300 - total flux cleaned = -9.19402e-05 Jy ! Component: 350 - total flux cleaned = -4.69716e-05 Jy ! Component: 400 - total flux cleaned = -4.70412e-05 Jy ! Component: 450 - total flux cleaned = -4.07532e-06 Jy ! Component: 500 - total flux cleaned = 9.67859e-06 Jy ! Component: 550 - total flux cleaned = 9.70369e-06 Jy ! Component: 600 - total flux cleaned = 5.02459e-05 Jy ! Component: 650 - total flux cleaned = 0.000103146 Jy ! Component: 700 - total flux cleaned = 0.00014194 Jy ! Component: 750 - total flux cleaned = 0.000129294 Jy ! Component: 800 - total flux cleaned = 0.000154475 Jy ! Component: 850 - total flux cleaned = 0.000142152 Jy ! Component: 900 - total flux cleaned = 0.000142226 Jy ! Component: 950 - total flux cleaned = 0.000178183 Jy ! Component: 1000 - total flux cleaned = 0.000201629 Jy ! Component: 1050 - total flux cleaned = 0.000189799 Jy ! Component: 1100 - total flux cleaned = 0.000143976 Jy ! Component: 1150 - total flux cleaned = 0.000144159 Jy ! Component: 1200 - total flux cleaned = 0.000166655 Jy ! Component: 1250 - total flux cleaned = 0.000144611 Jy ! Component: 1300 - total flux cleaned = 0.000122772 Jy ! Component: 1350 - total flux cleaned = 0.000112007 Jy ! Component: 1400 - total flux cleaned = 0.000101206 Jy ! Component: 1450 - total flux cleaned = 5.90286e-05 Jy ! Component: 1500 - total flux cleaned = 6.95722e-05 Jy ! Component: 1550 - total flux cleaned = 4.88864e-05 Jy ! Component: 1600 - total flux cleaned = 2.83524e-05 Jy ! Component: 1650 - total flux cleaned = -2.14389e-06 Jy ! Component: 1700 - total flux cleaned = -1.22744e-05 Jy ! Component: 1750 - total flux cleaned = -3.21033e-05 Jy ! Component: 1800 - total flux cleaned = -7.14726e-05 Jy ! Component: 1850 - total flux cleaned = -0.000110165 Jy ! Component: 1900 - total flux cleaned = -0.00011016 Jy ! Component: 1950 - total flux cleaned = -0.000148423 Jy ! Component: 2000 - total flux cleaned = -0.000176837 Jy ! Component: 2050 - total flux cleaned = -0.000204976 Jy ! Component: 2100 - total flux cleaned = -0.000186329 Jy ! Component: 2150 - total flux cleaned = -0.000232543 Jy ! Component: 2200 - total flux cleaned = -0.000269073 Jy ! Component: 2250 - total flux cleaned = -0.000269064 Jy ! Component: 2300 - total flux cleaned = -0.000287072 Jy ! Component: 2350 - total flux cleaned = -0.000331506 Jy ! Component: 2400 - total flux cleaned = -0.000340329 Jy ! Component: 2450 - total flux cleaned = -0.000366604 Jy ! Component: 2500 - total flux cleaned = -0.000375355 Jy ! Component: 2550 - total flux cleaned = -0.00038392 Jy ! Component: 2600 - total flux cleaned = -0.000392531 Jy ! Component: 2650 - total flux cleaned = -0.000409576 Jy ! Component: 2700 - total flux cleaned = -0.000409589 Jy ! Component: 2750 - total flux cleaned = -0.000443108 Jy ! Component: 2800 - total flux cleaned = -0.000434778 Jy ! Component: 2850 - total flux cleaned = -0.000451332 Jy ! Component: 2900 - total flux cleaned = -0.000434936 Jy ! Component: 2950 - total flux cleaned = -0.000459382 Jy ! Component: 3000 - total flux cleaned = -0.000435073 Jy ! Component: 3050 - total flux cleaned = -0.000451236 Jy ! Component: 3100 - total flux cleaned = -0.000443257 Jy ! Component: 3150 - total flux cleaned = -0.000459198 Jy ! Component: 3200 - total flux cleaned = -0.000451296 Jy ! Component: 3250 - total flux cleaned = -0.000459163 Jy ! Component: 3300 - total flux cleaned = -0.000474702 Jy ! Component: 3350 - total flux cleaned = -0.000459107 Jy ! Component: 3400 - total flux cleaned = -0.000459071 Jy ! Component: 3450 - total flux cleaned = -0.000436034 Jy ! Component: 3500 - total flux cleaned = -0.000428419 Jy ! Component: 3550 - total flux cleaned = -0.000420849 Jy ! Component: 3600 - total flux cleaned = -0.000428389 Jy ! Component: 3650 - total flux cleaned = -0.000390878 Jy ! Component: 3700 - total flux cleaned = -0.000368533 Jy ! Component: 3750 - total flux cleaned = -0.000383362 Jy ! Component: 3800 - total flux cleaned = -0.000353816 Jy ! Component: 3850 - total flux cleaned = -0.000324417 Jy ! Component: 3900 - total flux cleaned = -0.000331693 Jy ! Component: 3950 - total flux cleaned = -0.000295238 Jy ! Component: 4000 - total flux cleaned = -0.000266334 Jy ! Component: 4050 - total flux cleaned = -0.000259132 Jy ! Total flux subtracted in 4096 components = -0.000237635 Jy ! Clean residual min=-0.000444 max=0.000513 Jy/beam ! Clean residual mean=-0.000001 rms=0.000128 Jy/beam ! Combined flux in latest and established models = 0.117126 Jy keep ! Adding 272 model components to the UV plane model. ! The established model now contains 481 components and 0.117126 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J1855+0251_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.054 x 2.466 at -2.742 degrees (North through East) ! Clean map min=-0.00092119 max=0.050667 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J1855+0251_X_map.fits wmodel /vlbi/sb072/temp_maps//J1855+0251_X_map.mod ! Writing 481 model components to file: /vlbi/sb072/temp_maps//J1855+0251_X_map.mod wobs /vlbi/sb072/temp_maps//J1855+0251_X_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J1855+0251_X_uvs.fits wwins /vlbi/sb072/temp_maps//J1855+0251_X_map.win ! wwins: Wrote 8 windows to /vlbi/sb072/temp_maps//J1855+0251_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0506668 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00012403 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.734389 0.734389 1.46878 2.93756 5.87511 11.7502 23.5005 47.0009 94.0018 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.05 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 408.502 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J1855+0251_X_dfm.log closed on Sat Dec 15 22:36:32 2018