! Started logfile: .//J1919+3159_X_dfm.log on Mon Jan 20 18:54:27 2020 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 .//J1919+3159_X_uva.fits ! Reading UV FITS file: .//J1919+3159_X_uva.fits ! AN table 1: 18 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.958025 visibilities/baseline/integration-bin. ! Found source: J1919+3159 ! ! 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 6208 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 J1919+3159_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 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.005336Jy sigma=20.484593 ! Fit after self-cal, rms=0.921268Jy sigma=18.748069 ! 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=0.7932 mas, bmaj=2.275 mas, bpa=20.21 degrees ! Estimated noise=0.806832 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 = 0.0571626 Jy ! Component: 100 - total flux cleaned = 0.0761397 Jy ! Total flux subtracted in 100 components = 0.0761397 Jy ! Clean residual min=-0.006967 max=0.014097 Jy/beam ! Clean residual mean=-0.000035 rms=0.001693 Jy/beam ! Combined flux in latest and established models = 0.0761397 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.0761397 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=0.048739Jy sigma=0.865834 ! Fit after self-cal, rms=0.048645Jy sigma=0.865033 ! Inverting map ! Added new window around map position (3, 0.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0128206 Jy ! Component: 100 - total flux cleaned = 0.0201783 Jy ! Total flux subtracted in 100 components = 0.0201783 Jy ! Clean residual min=-0.004866 max=0.005930 Jy/beam ! Clean residual mean=-0.000021 rms=0.001122 Jy/beam ! Combined flux in latest and established models = 0.096318 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 17 components and 0.096318 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=0.044449Jy sigma=0.766339 ! Fit after self-cal, rms=0.044244Jy sigma=0.761920 ! 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=0.9769 mas, bmaj=2.429 mas, bpa=19.19 degrees ! Estimated noise=0.448774 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 = 0.00697805 Jy ! Component: 100 - total flux cleaned = 0.011369 Jy ! Component: 150 - total flux cleaned = 0.0137006 Jy ! Component: 200 - total flux cleaned = 0.0150347 Jy ! Total flux subtracted in 200 components = 0.0150347 Jy ! Clean residual min=-0.003072 max=0.004746 Jy/beam ! Clean residual mean=-0.000018 rms=0.000905 Jy/beam ! Combined flux in latest and established models = 0.111353 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 29 components and 0.111353 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=0.042928Jy sigma=0.731517 ! Fit after self-cal, rms=0.042865Jy sigma=0.730087 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9769 x 2.429 at 19.19 degrees (North through East) ! Clean map min=-0.002815 max=0.07647 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.95 HN 1.10 KP 1.02 ! LA 0.98 MK 1.15 NL 1.00 OV 1.17 ! PT 0.92 SC 0.92 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.89 HN 1.11 KP 1.01 ! LA 0.99 MK 1.15 NL 1.04 OV 1.15 ! PT 0.94 SC 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.97 HN 1.05 KP 1.01 ! LA 0.96 MK 1.21 NL 0.97 OV 1.12 ! PT 0.89 SC 0.94 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.94 HN 1.01 KP 0.98 ! LA 1.01 MK 1.07 NL 0.93 OV 1.20 ! PT 0.91 SC 0.96 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.92 HN 1.04 KP 1.03 ! LA 0.92 MK 0.96 NL 0.91 OV 1.14 ! PT 0.94 SC 1.02 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.91 HN 1.10 KP 1.01 ! LA 1.00 MK 0.98 NL 0.85 OV 1.13 ! PT 0.91 SC 0.97 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.90 HN 1.06 KP 1.01 ! LA 1.01 MK 0.96 NL 0.84 OV 1.11 ! PT 0.93 SC 1.03 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.94 HN 1.12 KP 0.93 ! LA 0.95 MK 0.96 NL 0.90 OV 1.19 ! PT 0.93 SC 0.94 ! ! ! Fit before self-cal, rms=0.042865Jy sigma=0.730087 ! Fit after self-cal, rms=0.040539Jy sigma=0.706418 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9848 mas, bmaj=2.429 mas, bpa=19.88 degrees ! Estimated noise=0.442699 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 (6.6, -0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00291497 Jy ! Component: 100 - total flux cleaned = 0.00468031 Jy ! Component: 150 - total flux cleaned = 0.00505321 Jy ! Component: 200 - total flux cleaned = 0.0053107 Jy ! Total flux subtracted in 200 components = 0.0053107 Jy ! Clean residual min=-0.001555 max=0.001964 Jy/beam ! Clean residual mean=-0.000001 rms=0.000386 Jy/beam ! Combined flux in latest and established models = 0.116663 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 57 components and 0.116663 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=0.040309Jy sigma=0.700408 ! Fit after self-cal, rms=0.040311Jy sigma=0.699993 ! 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=0.040311Jy sigma=0.699993 ! Fit after self-cal, rms=0.040280Jy sigma=0.699800 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9849 mas, bmaj=2.431 mas, bpa=19.87 degrees ! Estimated noise=0.443034 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00105631 Jy ! Component: 100 - total flux cleaned = 0.00109322 Jy ! Component: 150 - total flux cleaned = 0.00106527 Jy ! Component: 200 - total flux cleaned = 0.0010903 Jy ! Total flux subtracted in 200 components = 0.0010903 Jy ! Clean residual min=-0.001496 max=0.001545 Jy/beam ! Clean residual mean=-0.000001 rms=0.000346 Jy/beam ! Combined flux in latest and established models = 0.117754 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 71 components and 0.117754 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=0.040226Jy sigma=0.698546 ! Fit after self-cal, rms=0.040222Jy sigma=0.698436 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 (4.8, 14). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000618351 Jy ! Component: 100 - total flux cleaned = 0.000550021 Jy ! Component: 150 - total flux cleaned = 0.000550901 Jy ! Component: 200 - total flux cleaned = 0.000528491 Jy ! Total flux subtracted in 200 components = 0.000528491 Jy ! Clean residual min=-0.001339 max=0.001482 Jy/beam ! Clean residual mean=-0.000001 rms=0.000311 Jy/beam ! Combined flux in latest and established models = 0.118282 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 86 components and 0.118282 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=0.040157Jy sigma=0.697129 ! Fit after self-cal, rms=0.040158Jy sigma=0.697075 ! Inverting map ! Added new window around map position (-49.2, 1.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00117143 Jy ! Component: 100 - total flux cleaned = 0.00146925 Jy ! Component: 150 - total flux cleaned = 0.00162534 Jy ! Component: 200 - total flux cleaned = 0.00174255 Jy ! Total flux subtracted in 200 components = 0.00174255 Jy ! Clean residual min=-0.001225 max=0.001110 Jy/beam ! Clean residual mean=-0.000000 rms=0.000288 Jy/beam ! Combined flux in latest and established models = 0.120025 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 106 components and 0.120025 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=0.040112Jy sigma=0.695864 ! Fit after self-cal, rms=0.040114Jy sigma=0.695810 ! 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=0.040114Jy sigma=0.695810 ! Fit after self-cal, rms=0.040188Jy sigma=0.695631 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9864 mas, bmaj=2.433 mas, bpa=19.83 degrees ! Estimated noise=0.444369 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000585288 Jy ! Component: 100 - total flux cleaned = 0.000588252 Jy ! Component: 150 - total flux cleaned = 0.000607252 Jy ! Component: 200 - total flux cleaned = 0.000625732 Jy ! Total flux subtracted in 200 components = 0.000625732 Jy ! Clean residual min=-0.001179 max=0.001063 Jy/beam ! Clean residual mean=-0.000000 rms=0.000274 Jy/beam ! Combined flux in latest and established models = 0.120651 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 121 components and 0.120651 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=0.040168Jy sigma=0.695117 ! Fit after self-cal, rms=0.040167Jy sigma=0.695099 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 = 7.59783e-05 Jy ! Component: 100 - total flux cleaned = 0.000108408 Jy ! Component: 150 - total flux cleaned = 6.1323e-05 Jy ! Component: 200 - total flux cleaned = 6.22163e-05 Jy ! Total flux subtracted in 200 components = 6.22163e-05 Jy ! Clean residual min=-0.001150 max=0.001034 Jy/beam ! Clean residual mean=0.000000 rms=0.000269 Jy/beam ! Combined flux in latest and established models = 0.120713 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 132 components and 0.120713 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=0.040156Jy sigma=0.694837 ! Fit after self-cal, rms=0.040157Jy sigma=0.694833 ! 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=0.040157Jy sigma=0.694833 ! Fit after self-cal, rms=0.040207Jy sigma=0.694789 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.023 mas, bmaj=2.941 mas, bpa=10.92 degrees ! Estimated noise=0.553008 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -1.95262e-05 Jy ! Component: 100 - total flux cleaned = -3.72777e-05 Jy ! Component: 150 - total flux cleaned = -5.2901e-05 Jy ! Component: 200 - total flux cleaned = -6.59221e-05 Jy ! Total flux subtracted in 200 components = -6.59221e-05 Jy ! Clean residual min=-0.001123 max=0.001170 Jy/beam ! Clean residual mean=-0.000001 rms=0.000287 Jy/beam ! Combined flux in latest and established models = 0.120647 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 155 components and 0.120647 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=0.040200Jy sigma=0.694649 ! Fit after self-cal, rms=0.040200Jy sigma=0.694638 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 = 8.04012e-05 Jy ! Component: 100 - total flux cleaned = 6.7607e-05 Jy ! Component: 150 - total flux cleaned = 4.64476e-05 Jy ! Component: 200 - total flux cleaned = 5.64975e-05 Jy ! Total flux subtracted in 200 components = 5.64975e-05 Jy ! Clean residual min=-0.001117 max=0.001151 Jy/beam ! Clean residual mean=-0.000000 rms=0.000280 Jy/beam ! Combined flux in latest and established models = 0.120703 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 171 components and 0.120703 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=0.040196Jy sigma=0.694574 ! Fit after self-cal, rms=0.040196Jy sigma=0.694566 ! 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=0.987 mas, bmaj=2.434 mas, bpa=19.83 degrees ! Estimated noise=0.445135 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.987 x 2.434 at 19.83 degrees (North through East) ! Clean map min=-0.0010909 max=0.075492 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=0.8012 mas, bmaj=2.282 mas, bpa=20.77 degrees ! Estimated noise=0.803685 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0569588 Jy ! Component: 100 - total flux cleaned = 0.0772523 Jy ! Component: 150 - total flux cleaned = 0.0887477 Jy ! Component: 200 - total flux cleaned = 0.0959013 Jy ! Total flux subtracted in 200 components = 0.0959013 Jy ! Clean residual min=-0.003495 max=0.004014 Jy/beam ! Clean residual mean=-0.000016 rms=0.000887 Jy/beam ! Combined flux in latest and established models = 0.0959013 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 19 model components to the UV plane model. ! The established model now contains 19 components and 0.0959013 Jy ! Inverting map and beam ! Estimated beam: bmin=0.987 mas, bmaj=2.434 mas, bpa=19.83 degrees ! Estimated noise=0.445135 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 = 0.00664619 Jy ! Component: 100 - total flux cleaned = 0.0110762 Jy ! Component: 150 - total flux cleaned = 0.014381 Jy ! Component: 200 - total flux cleaned = 0.01646 Jy ! Total flux subtracted in 200 components = 0.01646 Jy ! Clean residual min=-0.002036 max=0.002099 Jy/beam ! Clean residual mean=-0.000009 rms=0.000470 Jy/beam ! Combined flux in latest and established models = 0.112361 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 36 components and 0.112361 Jy ! Inverting map ! Added new window around map position (-38.2, -3.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00198583 Jy ! Component: 100 - total flux cleaned = 0.00316737 Jy ! Component: 150 - total flux cleaned = 0.00392353 Jy ! Component: 200 - total flux cleaned = 0.00471607 Jy ! Total flux subtracted in 200 components = 0.00471607 Jy ! Clean residual min=-0.001659 max=0.001418 Jy/beam ! Clean residual mean=-0.000004 rms=0.000345 Jy/beam ! Combined flux in latest and established models = 0.117077 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 62 components and 0.117077 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=2.023 mas, bmaj=2.941 mas, bpa=10.92 degrees ! Estimated noise=0.553008 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00150767 Jy ! Component: 100 - total flux cleaned = 0.00180513 Jy ! Component: 150 - total flux cleaned = 0.00211136 Jy ! Component: 200 - total flux cleaned = 0.00231975 Jy ! Total flux subtracted in 200 components = 0.00231975 Jy ! Clean residual min=-0.001374 max=0.001174 Jy/beam ! Clean residual mean=-0.000005 rms=0.000342 Jy/beam ! Combined flux in latest and established models = 0.119397 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 = 0.000129038 Jy ! Component: 100 - total flux cleaned = 0.000269699 Jy ! Component: 150 - total flux cleaned = 0.00043668 Jy ! Component: 200 - total flux cleaned = 0.000512054 Jy ! Total flux subtracted in 200 components = 0.000512054 Jy ! Clean residual min=-0.001268 max=0.001154 Jy/beam ! Clean residual mean=-0.000003 rms=0.000306 Jy/beam ! Combined flux in latest and established models = 0.119909 Jy ! Adding 66 model components to the UV plane model. ! The established model now contains 115 components and 0.119909 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.987 mas, bmaj=2.434 mas, bpa=19.83 degrees ! Estimated noise=0.445135 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000117416 Jy ! Component: 100 - total flux cleaned = 5.39876e-05 Jy ! Component: 150 - total flux cleaned = 0.000208808 Jy ! Component: 200 - total flux cleaned = 0.000280877 Jy ! Total flux subtracted in 200 components = 0.000280877 Jy ! Clean residual min=-0.001192 max=0.001061 Jy/beam ! Clean residual mean=-0.000001 rms=0.000276 Jy/beam ! Combined flux in latest and established models = 0.12019 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 140 components and 0.12019 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=0.040233Jy sigma=0.695245 ! Fit after self-cal, rms=0.040224Jy sigma=0.695099 wmodel J1919+3159_X_map.mod ! Writing 140 model components to file: J1919+3159_X_map.mod wobs J1919+3159_X_uvs.fits ! Writing UV FITS file: J1919+3159_X_uvs.fits wwins J1919+3159_X_map.win ! wwins: Wrote 6 windows to J1919+3159_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 = -0.000316419 Jy ! Component: 100 - total flux cleaned = -0.00046916 Jy ! Component: 150 - total flux cleaned = -0.000560081 Jy ! Component: 200 - total flux cleaned = -0.000699839 Jy ! Component: 250 - total flux cleaned = -0.000783599 Jy ! Component: 300 - total flux cleaned = -0.000864127 Jy ! Component: 350 - total flux cleaned = -0.000942056 Jy ! Component: 400 - total flux cleaned = -0.00100276 Jy ! Component: 450 - total flux cleaned = -0.00103225 Jy ! Component: 500 - total flux cleaned = -0.00107485 Jy ! Component: 550 - total flux cleaned = -0.0011024 Jy ! Component: 600 - total flux cleaned = -0.00111594 Jy ! Component: 650 - total flux cleaned = -0.0011557 Jy ! Component: 700 - total flux cleaned = -0.00122019 Jy ! Component: 750 - total flux cleaned = -0.00122008 Jy ! Component: 800 - total flux cleaned = -0.00124508 Jy ! Component: 850 - total flux cleaned = -0.00126961 Jy ! Component: 900 - total flux cleaned = -0.00132927 Jy ! Component: 950 - total flux cleaned = -0.00136433 Jy ! Component: 1000 - total flux cleaned = -0.00137587 Jy ! Component: 1050 - total flux cleaned = -0.00139854 Jy ! Component: 1100 - total flux cleaned = -0.00145414 Jy ! Component: 1150 - total flux cleaned = -0.00146506 Jy ! Component: 1200 - total flux cleaned = -0.00150839 Jy ! Component: 1250 - total flux cleaned = -0.00151895 Jy ! Component: 1300 - total flux cleaned = -0.00148758 Jy ! Component: 1350 - total flux cleaned = -0.00149805 Jy ! Component: 1400 - total flux cleaned = -0.00150851 Jy ! Component: 1450 - total flux cleaned = -0.0015591 Jy ! Component: 1500 - total flux cleaned = -0.00156892 Jy ! Component: 1550 - total flux cleaned = -0.00159857 Jy ! Component: 1600 - total flux cleaned = -0.00158873 Jy ! Component: 1650 - total flux cleaned = -0.00157906 Jy ! Component: 1700 - total flux cleaned = -0.00157901 Jy ! Component: 1750 - total flux cleaned = -0.00157887 Jy ! Component: 1800 - total flux cleaned = -0.00158816 Jy ! Component: 1850 - total flux cleaned = -0.00156023 Jy ! Component: 1900 - total flux cleaned = -0.00156043 Jy ! Component: 1950 - total flux cleaned = -0.00156961 Jy ! Component: 2000 - total flux cleaned = -0.00155174 Jy ! Component: 2050 - total flux cleaned = -0.00157863 Jy ! Component: 2100 - total flux cleaned = -0.00157861 Jy ! Component: 2150 - total flux cleaned = -0.00158746 Jy ! Component: 2200 - total flux cleaned = -0.00158754 Jy ! Component: 2250 - total flux cleaned = -0.00157901 Jy ! Component: 2300 - total flux cleaned = -0.00162148 Jy ! Component: 2350 - total flux cleaned = -0.00162143 Jy ! Component: 2400 - total flux cleaned = -0.00162983 Jy ! Component: 2450 - total flux cleaned = -0.0016796 Jy ! Component: 2500 - total flux cleaned = -0.00167947 Jy ! Component: 2550 - total flux cleaned = -0.00172032 Jy ! Component: 2600 - total flux cleaned = -0.00175268 Jy ! Component: 2650 - total flux cleaned = -0.00177675 Jy ! Component: 2700 - total flux cleaned = -0.00180063 Jy ! Component: 2750 - total flux cleaned = -0.00181641 Jy ! Component: 2800 - total flux cleaned = -0.00184783 Jy ! Component: 2850 - total flux cleaned = -0.00183212 Jy ! Component: 2900 - total flux cleaned = -0.00185537 Jy ! Component: 2950 - total flux cleaned = -0.00185536 Jy ! Component: 3000 - total flux cleaned = -0.00184007 Jy ! Component: 3050 - total flux cleaned = -0.00183247 Jy ! Component: 3100 - total flux cleaned = -0.00184001 Jy ! Component: 3150 - total flux cleaned = -0.00184002 Jy ! Component: 3200 - total flux cleaned = -0.00185494 Jy ! Component: 3250 - total flux cleaned = -0.00186225 Jy ! Component: 3300 - total flux cleaned = -0.00184751 Jy ! Component: 3350 - total flux cleaned = -0.00185481 Jy ! Component: 3400 - total flux cleaned = -0.00185478 Jy ! Component: 3450 - total flux cleaned = -0.00184756 Jy ! Component: 3500 - total flux cleaned = -0.00183324 Jy ! Component: 3550 - total flux cleaned = -0.00182607 Jy ! Component: 3600 - total flux cleaned = -0.00182607 Jy ! Component: 3650 - total flux cleaned = -0.00181901 Jy ! Component: 3700 - total flux cleaned = -0.00179787 Jy ! Component: 3750 - total flux cleaned = -0.00179784 Jy ! Component: 3800 - total flux cleaned = -0.00179093 Jy ! Component: 3850 - total flux cleaned = -0.00181174 Jy ! Component: 3900 - total flux cleaned = -0.00181179 Jy ! Component: 3950 - total flux cleaned = -0.00182552 Jy ! Component: 4000 - total flux cleaned = -0.00183915 Jy ! Component: 4050 - total flux cleaned = -0.0018459 Jy ! Total flux subtracted in 4096 components = -0.00179853 Jy ! Clean residual min=-0.000378 max=0.000396 Jy/beam ! Clean residual mean=-0.000000 rms=0.000116 Jy/beam ! Combined flux in latest and established models = 0.118392 Jy keep ! Adding 281 model components to the UV plane model. ! The established model now contains 421 components and 0.118392 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap .//J1919+3159_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.987 x 2.434 at 19.83 degrees (North through East) ! Clean map min=-0.00088005 max=0.075329 Jy/beam ! Writing clean map to FITS file: .//J1919+3159_X_map.fits wmodel .//J1919+3159_X_map.mod ! Writing 421 model components to file: .//J1919+3159_X_map.mod wobs .//J1919+3159_X_uvs.fits ! Writing UV FITS file: .//J1919+3159_X_uvs.fits wwins .//J1919+3159_X_map.win ! wwins: Wrote 7 windows to .//J1919+3159_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0753288 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000115986 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.461917 0.461917 0.923834 1.84767 3.69534 7.39068 14.7814 29.5627 59.1254 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.075 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 649.467 quit ! Quitting program ! Log file .//J1919+3159_X_dfm.log closed on Mon Jan 20 18:54:31 2020