! Started logfile: .//J1904+3626_X_dfm.log on Mon Jan 20 18:51:34 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 .//J1904+3626_X_uva.fits ! Reading UV FITS file: .//J1904+3626_X_uva.fits ! AN table 1: 46 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.991787 visibilities/baseline/integration-bin. ! Found source: J1904+3626 ! ! 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 16424 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 J1904+3626_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=1.001732Jy sigma=21.390728 ! Fit after self-cal, rms=0.968753Jy sigma=20.687715 ! 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=0.7343 mas, bmaj=2.295 mas, bpa=19.72 degrees ! Estimated noise=0.513385 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 = 0.0227382 Jy ! Component: 100 - total flux cleaned = 0.0286874 Jy ! Total flux subtracted in 100 components = 0.0286874 Jy ! Clean residual min=-0.002520 max=0.004963 Jy/beam ! Clean residual mean=-0.000012 rms=0.000740 Jy/beam ! Combined flux in latest and established models = 0.0286874 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.0286874 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=0.038009Jy sigma=0.795888 ! Fit after self-cal, rms=0.036223Jy sigma=0.758029 ! Inverting map ! Added new window around map position (-1.2, 1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00610764 Jy ! Component: 100 - total flux cleaned = 0.00983057 Jy ! Total flux subtracted in 100 components = 0.00983057 Jy ! Clean residual min=-0.002383 max=0.002678 Jy/beam ! Clean residual mean=-0.000008 rms=0.000610 Jy/beam ! Combined flux in latest and established models = 0.038518 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 24 components and 0.038518 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=0.034657Jy sigma=0.724720 ! Fit after self-cal, rms=0.034575Jy sigma=0.723028 ! 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=0.9523 mas, bmaj=2.475 mas, bpa=18.64 degrees ! Estimated noise=0.26041 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 = 0.00506189 Jy ! Component: 100 - total flux cleaned = 0.00801596 Jy ! Component: 150 - total flux cleaned = 0.0100361 Jy ! Component: 200 - total flux cleaned = 0.0114688 Jy ! Total flux subtracted in 200 components = 0.0114688 Jy ! Clean residual min=-0.001612 max=0.001829 Jy/beam ! Clean residual mean=-0.000005 rms=0.000404 Jy/beam ! Combined flux in latest and established models = 0.0499868 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 50 components and 0.0499868 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=0.033743Jy sigma=0.706014 ! Fit after self-cal, rms=0.033691Jy sigma=0.704949 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9523 x 2.475 at 18.64 degrees (North through East) ! Clean map min=-0.0014884 max=0.033461 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.91 HN 1.11 KP 1.00 ! LA 1.04 MK 1.13 NL 0.91 OV 1.12 ! PT 0.97 SC 0.96 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.96 HN 1.13 KP 0.95 ! LA 1.01 MK 1.19 NL 0.93 OV 1.11 ! PT 0.89 SC 1.02 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.90 HN 1.05 KP 1.03 ! LA 1.00 MK 1.24 NL 0.93 OV 1.01 ! PT 0.95 SC 1.06 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.94 HN 1.00 KP 1.09 ! LA 1.03 MK 1.05 NL 0.96 OV 1.07 ! PT 0.89 SC 0.98 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.93 HN 1.21 KP 1.02 ! LA 1.01 MK 0.89 NL 0.85 OV 1.07 ! PT 0.94 SC 1.03 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.94 HN 1.12 KP 1.01 ! LA 1.02 MK 0.93 NL 0.85 OV 1.05 ! PT 0.91 SC 0.99 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.95 HN 1.08 KP 1.00 ! LA 0.98 MK 0.96 NL 0.82 OV 1.06 ! PT 0.87 SC 1.01 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.90 HN 1.08 KP 1.04 ! LA 1.01 MK 0.94 NL 0.82 OV 1.11 ! PT 0.86 SC 1.00 ! ! ! Fit before self-cal, rms=0.033691Jy sigma=0.704949 ! Fit after self-cal, rms=0.032491Jy sigma=0.699288 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9656 mas, bmaj=2.5 mas, bpa=18.88 degrees ! Estimated noise=0.257199 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 = 0.000479286 Jy ! Component: 100 - total flux cleaned = 0.000502777 Jy ! Component: 150 - total flux cleaned = 0.000556975 Jy ! Component: 200 - total flux cleaned = 0.000570603 Jy ! Total flux subtracted in 200 components = 0.000570603 Jy ! Clean residual min=-0.000911 max=0.000958 Jy/beam ! Clean residual mean=-0.000000 rms=0.000226 Jy/beam ! Combined flux in latest and established models = 0.0505574 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 73 components and 0.0505574 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=0.032462Jy sigma=0.698635 ! Fit after self-cal, rms=0.032489Jy sigma=0.698234 ! 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=0.032489Jy sigma=0.698234 ! Fit after self-cal, rms=0.032436Jy sigma=0.698191 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9645 mas, bmaj=2.5 mas, bpa=18.84 degrees ! Estimated noise=0.257052 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000284959 Jy ! Component: 100 - total flux cleaned = 0.000331015 Jy ! Component: 150 - total flux cleaned = 0.00033147 Jy ! Component: 200 - total flux cleaned = 0.000332136 Jy ! Total flux subtracted in 200 components = 0.000332136 Jy ! Clean residual min=-0.000862 max=0.000903 Jy/beam ! Clean residual mean=-0.000000 rms=0.000218 Jy/beam ! Combined flux in latest and established models = 0.0508896 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 77 components and 0.0508896 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=0.032424Jy sigma=0.697930 ! Fit after self-cal, rms=0.032426Jy sigma=0.697865 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.53986e-05 Jy ! Component: 100 - total flux cleaned = 4.87667e-05 Jy ! Component: 150 - total flux cleaned = 4.97904e-05 Jy ! Component: 200 - total flux cleaned = 4.20415e-05 Jy ! Total flux subtracted in 200 components = 4.20415e-05 Jy ! Clean residual min=-0.000827 max=0.000882 Jy/beam ! Clean residual mean=-0.000000 rms=0.000214 Jy/beam ! Combined flux in latest and established models = 0.0509316 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 80 components and 0.0509316 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=0.032419Jy sigma=0.697730 ! Fit after self-cal, rms=0.032418Jy sigma=0.697697 ! Inverting map ! Added new window around map position (-45.6, -2.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000621242 Jy ! Component: 100 - total flux cleaned = 0.000776001 Jy ! Component: 150 - total flux cleaned = 0.000792752 Jy ! Component: 200 - total flux cleaned = 0.00080736 Jy ! Total flux subtracted in 200 components = 0.00080736 Jy ! Clean residual min=-0.000832 max=0.000807 Jy/beam ! Clean residual mean=0.000000 rms=0.000198 Jy/beam ! Combined flux in latest and established models = 0.051739 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 97 components and 0.051739 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=0.032392Jy sigma=0.697225 ! Fit after self-cal, rms=0.032390Jy sigma=0.697182 ! 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=0.032390Jy sigma=0.697182 ! Fit after self-cal, rms=0.032300Jy sigma=0.697149 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9639 mas, bmaj=2.499 mas, bpa=18.83 degrees ! Estimated noise=0.25651 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000419289 Jy ! Component: 100 - total flux cleaned = 0.000487959 Jy ! Component: 150 - total flux cleaned = 0.000512254 Jy ! Component: 200 - total flux cleaned = 0.00052367 Jy ! Total flux subtracted in 200 components = 0.00052367 Jy ! Clean residual min=-0.000834 max=0.000774 Jy/beam ! Clean residual mean=0.000000 rms=0.000189 Jy/beam ! Combined flux in latest and established models = 0.0522627 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 107 components and 0.0522627 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=0.032289Jy sigma=0.696947 ! Fit after self-cal, rms=0.032290Jy sigma=0.696933 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 = 0.000102447 Jy ! Component: 100 - total flux cleaned = 0.000124177 Jy ! Component: 150 - total flux cleaned = 0.000123993 Jy ! Component: 200 - total flux cleaned = 0.000133556 Jy ! Total flux subtracted in 200 components = 0.000133556 Jy ! Clean residual min=-0.000847 max=0.000754 Jy/beam ! Clean residual mean=0.000000 rms=0.000185 Jy/beam ! Combined flux in latest and established models = 0.0523962 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 111 components and 0.0523962 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=0.032284Jy sigma=0.696812 ! Fit after self-cal, rms=0.032284Jy sigma=0.696804 ! 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=0.032284Jy sigma=0.696804 ! Fit after self-cal, rms=0.032267Jy sigma=0.696788 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.978 mas, bmaj=2.959 mas, bpa=11.5 degrees ! Estimated noise=0.319642 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000190776 Jy ! Component: 100 - total flux cleaned = 0.000213288 Jy ! Component: 150 - total flux cleaned = 0.000238688 Jy ! Component: 200 - total flux cleaned = 0.000259559 Jy ! Total flux subtracted in 200 components = 0.000259559 Jy ! Clean residual min=-0.000840 max=0.000745 Jy/beam ! Clean residual mean=0.000001 rms=0.000208 Jy/beam ! Combined flux in latest and established models = 0.0526558 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 126 components and 0.0526558 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=0.032265Jy sigma=0.696743 ! Fit after self-cal, rms=0.032265Jy sigma=0.696708 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 = 6.19479e-06 Jy ! Component: 100 - total flux cleaned = 1.38526e-05 Jy ! Component: 150 - total flux cleaned = 2.71683e-05 Jy ! Component: 200 - total flux cleaned = 2.71122e-05 Jy ! Total flux subtracted in 200 components = 2.71122e-05 Jy ! Clean residual min=-0.000825 max=0.000734 Jy/beam ! Clean residual mean=0.000001 rms=0.000205 Jy/beam ! Combined flux in latest and established models = 0.0526829 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 136 components and 0.0526829 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=0.032264Jy sigma=0.696681 ! Fit after self-cal, rms=0.032263Jy sigma=0.696663 ! 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=0.9637 mas, bmaj=2.5 mas, bpa=18.82 degrees ! Estimated noise=0.256487 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9637 x 2.5 at 18.82 degrees (North through East) ! Clean map min=-0.00089694 max=0.032486 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=0.742 mas, bmaj=2.315 mas, bpa=19.93 degrees ! Estimated noise=0.511591 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0243816 Jy ! Component: 100 - total flux cleaned = 0.0322397 Jy ! Component: 150 - total flux cleaned = 0.0366811 Jy ! Component: 200 - total flux cleaned = 0.0398207 Jy ! Total flux subtracted in 200 components = 0.0398207 Jy ! Clean residual min=-0.001930 max=0.002361 Jy/beam ! Clean residual mean=-0.000006 rms=0.000500 Jy/beam ! Combined flux in latest and established models = 0.0398207 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 18 model components to the UV plane model. ! The established model now contains 18 components and 0.0398207 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9637 mas, bmaj=2.5 mas, bpa=18.82 degrees ! Estimated noise=0.256487 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 = 0.00403243 Jy ! Component: 100 - total flux cleaned = 0.0064256 Jy ! Component: 150 - total flux cleaned = 0.00808709 Jy ! Component: 200 - total flux cleaned = 0.00928781 Jy ! Total flux subtracted in 200 components = 0.00928781 Jy ! Clean residual min=-0.001014 max=0.001025 Jy/beam ! Clean residual mean=-0.000003 rms=0.000244 Jy/beam ! Combined flux in latest and established models = 0.0491085 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 54 components and 0.0491085 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=1.978 mas, bmaj=2.959 mas, bpa=11.5 degrees ! Estimated noise=0.319642 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00142614 Jy ! Component: 100 - total flux cleaned = 0.00224783 Jy ! Component: 150 - total flux cleaned = 0.00270121 Jy ! Component: 200 - total flux cleaned = 0.00286175 Jy ! Total flux subtracted in 200 components = 0.00286175 Jy ! Clean residual min=-0.000898 max=0.000720 Jy/beam ! Clean residual mean=-0.000001 rms=0.000220 Jy/beam ! Combined flux in latest and established models = 0.0519702 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 = 0.00016787 Jy ! Component: 100 - total flux cleaned = 0.000285709 Jy ! Component: 150 - total flux cleaned = 0.000332544 Jy ! Component: 200 - total flux cleaned = 0.000395919 Jy ! Total flux subtracted in 200 components = 0.000395919 Jy ! Clean residual min=-0.000851 max=0.000710 Jy/beam ! Clean residual mean=0.000000 rms=0.000207 Jy/beam ! Combined flux in latest and established models = 0.0523661 Jy ! Adding 53 model components to the UV plane model. ! The established model now contains 88 components and 0.0523661 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9637 mas, bmaj=2.5 mas, bpa=18.82 degrees ! Estimated noise=0.256487 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.02768e-05 Jy ! Component: 100 - total flux cleaned = 0.00010633 Jy ! Component: 150 - total flux cleaned = 0.000174884 Jy ! Component: 200 - total flux cleaned = 0.000199603 Jy ! Total flux subtracted in 200 components = 0.000199603 Jy ! Clean residual min=-0.000814 max=0.000748 Jy/beam ! Clean residual mean=0.000000 rms=0.000183 Jy/beam ! Combined flux in latest and established models = 0.0525657 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 105 components and 0.0525657 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=0.032269Jy sigma=0.696811 ! Fit after self-cal, rms=0.032264Jy sigma=0.696755 wmodel J1904+3626_X_map.mod ! Writing 105 model components to file: J1904+3626_X_map.mod wobs J1904+3626_X_uvs.fits ! Writing UV FITS file: J1904+3626_X_uvs.fits wwins J1904+3626_X_map.win ! wwins: Wrote 3 windows to J1904+3626_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 = -0.000161631 Jy ! Component: 100 - total flux cleaned = -0.000252511 Jy ! Component: 150 - total flux cleaned = -0.000348395 Jy ! Component: 200 - total flux cleaned = -0.000439156 Jy ! Component: 250 - total flux cleaned = -0.000471371 Jy ! Component: 300 - total flux cleaned = -0.000471491 Jy ! Component: 350 - total flux cleaned = -0.000441584 Jy ! Component: 400 - total flux cleaned = -0.000422426 Jy ! Component: 450 - total flux cleaned = -0.000403732 Jy ! Component: 500 - total flux cleaned = -0.000394461 Jy ! Component: 550 - total flux cleaned = -0.000358585 Jy ! Component: 600 - total flux cleaned = -0.000323748 Jy ! Component: 650 - total flux cleaned = -0.000298337 Jy ! Component: 700 - total flux cleaned = -0.000273468 Jy ! Component: 750 - total flux cleaned = -0.000265398 Jy ! Component: 800 - total flux cleaned = -0.00026549 Jy ! Component: 850 - total flux cleaned = -0.000257668 Jy ! Component: 900 - total flux cleaned = -0.00026521 Jy ! Component: 950 - total flux cleaned = -0.000257566 Jy ! Component: 1000 - total flux cleaned = -0.000257594 Jy ! Component: 1050 - total flux cleaned = -0.000257617 Jy ! Component: 1100 - total flux cleaned = -0.000257642 Jy ! Component: 1150 - total flux cleaned = -0.000264549 Jy ! Component: 1200 - total flux cleaned = -0.00027135 Jy ! Component: 1250 - total flux cleaned = -0.000264562 Jy ! Component: 1300 - total flux cleaned = -0.000271037 Jy ! Component: 1350 - total flux cleaned = -0.000270882 Jy ! Component: 1400 - total flux cleaned = -0.000264415 Jy ! Component: 1450 - total flux cleaned = -0.000283343 Jy ! Component: 1500 - total flux cleaned = -0.000295784 Jy ! Component: 1550 - total flux cleaned = -0.000301925 Jy ! Component: 1600 - total flux cleaned = -0.000307956 Jy ! Component: 1650 - total flux cleaned = -0.000331988 Jy ! Component: 1700 - total flux cleaned = -0.000331968 Jy ! Component: 1750 - total flux cleaned = -0.000337852 Jy ! Component: 1800 - total flux cleaned = -0.00035522 Jy ! Component: 1850 - total flux cleaned = -0.00036091 Jy ! Component: 1900 - total flux cleaned = -0.000377732 Jy ! Component: 1950 - total flux cleaned = -0.000361023 Jy ! Component: 2000 - total flux cleaned = -0.000360985 Jy ! Component: 2050 - total flux cleaned = -0.000371914 Jy ! Component: 2100 - total flux cleaned = -0.000382628 Jy ! Component: 2150 - total flux cleaned = -0.000372006 Jy ! Component: 2200 - total flux cleaned = -0.000377265 Jy ! Component: 2250 - total flux cleaned = -0.000372046 Jy ! Component: 2300 - total flux cleaned = -0.000372117 Jy ! Component: 2350 - total flux cleaned = -0.000367017 Jy ! Component: 2400 - total flux cleaned = -0.000361927 Jy ! Component: 2450 - total flux cleaned = -0.000376686 Jy ! Component: 2500 - total flux cleaned = -0.000347082 Jy ! Component: 2550 - total flux cleaned = -0.000337383 Jy ! Component: 2600 - total flux cleaned = -0.000351874 Jy ! Component: 2650 - total flux cleaned = -0.000342346 Jy ! Component: 2700 - total flux cleaned = -0.000337645 Jy ! Component: 2750 - total flux cleaned = -0.000328244 Jy ! Component: 2800 - total flux cleaned = -0.000332917 Jy ! Component: 2850 - total flux cleaned = -0.000332902 Jy ! Component: 2900 - total flux cleaned = -0.000351242 Jy ! Component: 2950 - total flux cleaned = -0.000351245 Jy ! Component: 3000 - total flux cleaned = -0.000369322 Jy ! Component: 3050 - total flux cleaned = -0.000396187 Jy ! Component: 3100 - total flux cleaned = -0.000387203 Jy ! Component: 3150 - total flux cleaned = -0.000396018 Jy ! Component: 3200 - total flux cleaned = -0.000417946 Jy ! Component: 3250 - total flux cleaned = -0.000413634 Jy ! Component: 3300 - total flux cleaned = -0.000426608 Jy ! Component: 3350 - total flux cleaned = -0.000430911 Jy ! Component: 3400 - total flux cleaned = -0.000430913 Jy ! Component: 3450 - total flux cleaned = -0.000435177 Jy ! Component: 3500 - total flux cleaned = -0.000435154 Jy ! Component: 3550 - total flux cleaned = -0.000414229 Jy ! Component: 3600 - total flux cleaned = -0.000422561 Jy ! Component: 3650 - total flux cleaned = -0.000430833 Jy ! Component: 3700 - total flux cleaned = -0.00045132 Jy ! Component: 3750 - total flux cleaned = -0.000447265 Jy ! Component: 3800 - total flux cleaned = -0.000463511 Jy ! Component: 3850 - total flux cleaned = -0.000471573 Jy ! Component: 3900 - total flux cleaned = -0.00047962 Jy ! Component: 3950 - total flux cleaned = -0.000499525 Jy ! Component: 4000 - total flux cleaned = -0.000499527 Jy ! Component: 4050 - total flux cleaned = -0.000523212 Jy ! Total flux subtracted in 4096 components = -0.000531051 Jy ! Clean residual min=-0.000283 max=0.000233 Jy/beam ! Clean residual mean=-0.000001 rms=0.000068 Jy/beam ! Combined flux in latest and established models = 0.0520347 Jy keep ! Adding 259 model components to the UV plane model. ! The established model now contains 364 components and 0.0520347 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap .//J1904+3626_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9637 x 2.5 at 18.82 degrees (North through East) ! Clean map min=-0.00071683 max=0.032516 Jy/beam ! Writing clean map to FITS file: .//J1904+3626_X_map.fits wmodel .//J1904+3626_X_map.mod ! Writing 364 model components to file: .//J1904+3626_X_map.mod wobs .//J1904+3626_X_uvs.fits ! Writing UV FITS file: .//J1904+3626_X_uvs.fits wwins .//J1904+3626_X_map.win ! wwins: Wrote 4 windows to .//J1904+3626_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0325161 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 6.80773e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.628094 0.628094 1.25619 2.51238 5.02475 10.0495 20.099 40.198 80.396 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0002 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.032 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 477.635 quit ! Quitting program ! Log file .//J1904+3626_X_dfm.log closed on Mon Jan 20 18:51:38 2020