! Started logfile: /vlbi/sb072/temp_maps//J1853+2344_C_dfm.log on Tue Mar 5 23:29:33 2019 float field_size field_size = 1024 float field_cell field_cell = 0.3000 float taper_size taper_size = 40.0 float freq freq = 4.12800 obs /vlbi/sb072/temp_maps//J1853+2344_C_uva.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J1853+2344_C_uva.fits ! AN table 1: 6 integrations on 45 of 45 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1853+2344 ! ! There are 8 IFs, and a total of 8 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 4.128e+09 3.2e+07 1 3.2e+07 ! 02 2 4.16e+09 3.2e+07 1 3.2e+07 ! 03 3 4.192e+09 3.2e+07 1 3.2e+07 ! 04 4 4.224e+09 3.2e+07 1 3.2e+07 ! 05 5 4.416e+09 3.2e+07 1 3.2e+07 ! 06 6 4.512e+09 3.2e+07 1 3.2e+07 ! 07 7 4.544e+09 3.2e+07 1 3.2e+07 ! 08 8 4.576e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 94 lines of history. ! ! Reading 2160 visibilities. select rr, 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ! Restricting channel ranges to the available 8 channels. ! Selecting polarization: RR, channels: 1..8 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ! Reading IF 5 channels: 5..5 ! Reading IF 6 channels: 6..6 ! Reading IF 7 channels: 7..7 ! Reading IF 8 channels: 8..8 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.3 print "taper_size =", taper_size ! taper_size = 40 ![@/opt64/bin/pima_mupet_01.dfm J1853+2344_C] float lim_self lim_self = 120.0 float lim_val lim_va = 1.2 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff print "===============================================================" ! =============================================================== ! print "=== Difmap script: pima_mupet_01.dvm version of 2016.05.19 === " ! === Difmap script: pima_mupet_01.dvm version of 2016.05.19 === ! mapsize field_size, field_cell ! Map grid = 1024x1024 pixels with 0.300x0.300 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! ! 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=1.003395Jy sigma=42.014634 ! Fit after self-cal, rms=0.874703Jy sigma=36.743622 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.391 mas, bmaj=3.804 mas, bpa=19.42 degrees ! Estimated noise=0.569574 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 = 0.0902195 Jy ! Component: 100 - total flux cleaned = 0.117166 Jy ! Total flux subtracted in 100 components = 0.117166 Jy ! Clean residual min=-0.004734 max=0.011745 Jy/beam ! Clean residual mean=0.000008 rms=0.001165 Jy/beam ! Combined flux in latest and established models = 0.117166 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.117166 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=0.033128Jy sigma=1.165150 ! Fit after self-cal, rms=0.033113Jy sigma=1.164183 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0122705 Jy ! Component: 100 - total flux cleaned = 0.0179273 Jy ! Total flux subtracted in 100 components = 0.0179273 Jy ! Clean residual min=-0.003397 max=0.004895 Jy/beam ! Clean residual mean=0.000004 rms=0.000771 Jy/beam ! Combined flux in latest and established models = 0.135093 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 19 components and 0.135093 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=0.026879Jy sigma=0.861601 ! Fit after self-cal, rms=0.026875Jy sigma=0.861347 ! Inverting map ! Added new window around map position (4.5, 0.9). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0042465 Jy ! Component: 100 - total flux cleaned = 0.00558109 Jy ! Total flux subtracted in 100 components = 0.00558109 Jy ! Clean residual min=-0.003292 max=0.003117 Jy/beam ! Clean residual mean=0.000003 rms=0.000682 Jy/beam ! Combined flux in latest and established models = 0.140674 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 32 components and 0.140674 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=0.026114Jy sigma=0.820532 ! Fit after self-cal, rms=0.026054Jy sigma=0.818515 ! 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=1.827 mas, bmaj=4.236 mas, bpa=16.55 degrees ! Estimated noise=0.393347 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 = 0.00308174 Jy ! Component: 100 - total flux cleaned = 0.00503356 Jy ! Component: 150 - total flux cleaned = 0.0063922 Jy ! Component: 200 - total flux cleaned = 0.00730703 Jy ! Total flux subtracted in 200 components = 0.00730703 Jy ! Clean residual min=-0.003377 max=0.002952 Jy/beam ! Clean residual mean=0.000001 rms=0.000739 Jy/beam ! Combined flux in latest and established models = 0.147981 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 53 components and 0.147981 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=0.025639Jy sigma=0.796416 ! Fit after self-cal, rms=0.025621Jy sigma=0.796041 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.827 x 4.236 at 16.55 degrees (North through East) ! Clean map min=-0.0032864 max=0.12085 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.95 HN 0.89 KP 0.95 ! LA 1.05 MK 1.01 NL 1.01 OV 1.01 ! PT 0.94 SC 0.94 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.95 HN 0.93 KP 0.94 ! LA 1.06 MK 1.00 NL 1.03 OV 1.01 ! PT 0.93 SC 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.97 HN 0.89 KP 0.98 ! LA 1.04 MK 1.04 NL 1.02 OV 1.00 ! PT 0.94 SC 0.97 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.97 HN 0.92 KP 0.96 ! LA 1.03 MK 1.05 NL 1.01 OV 1.00 ! PT 0.81 SC 0.99 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.99 HN 0.95 KP 0.99 ! LA 1.07 MK 1.08 NL 1.04 OV 1.01 ! PT 0.96 SC 1.00 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.99 HN 0.98 KP 1.00 ! LA 1.07 MK 1.04 NL 1.06 OV 1.06 ! PT 0.94 SC 1.01 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.99 HN 0.96 KP 0.99 ! LA 1.07 MK 1.06 NL 1.04 OV 1.04 ! PT 0.98 SC 1.01 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.99 HN 0.95 KP 0.97 ! LA 1.07 MK 1.07 NL 1.08 OV 1.02 ! PT 0.97 SC 1.04 ! ! ! Fit before self-cal, rms=0.025621Jy sigma=0.796041 ! Fit after self-cal, rms=0.023307Jy sigma=0.678587 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.831 mas, bmaj=4.247 mas, bpa=16.38 degrees ! Estimated noise=0.39355 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 = -0.00102117 Jy ! Component: 100 - total flux cleaned = -0.00107082 Jy ! Component: 150 - total flux cleaned = -0.00119455 Jy ! Component: 200 - total flux cleaned = -0.00128418 Jy ! Total flux subtracted in 200 components = -0.00128418 Jy ! Clean residual min=-0.001284 max=0.001724 Jy/beam ! Clean residual mean=-0.000001 rms=0.000349 Jy/beam ! Combined flux in latest and established models = 0.146697 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 66 components and 0.146697 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=0.023228Jy sigma=0.675287 ! Fit after self-cal, rms=0.023230Jy sigma=0.674921 ! 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=0.023230Jy sigma=0.674921 ! Fit after self-cal, rms=0.023177Jy sigma=0.674033 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.83 mas, bmaj=4.249 mas, bpa=16.35 degrees ! Estimated noise=0.393197 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000699932 Jy ! Component: 100 - total flux cleaned = -0.000794784 Jy ! Component: 150 - total flux cleaned = -0.000875427 Jy ! Component: 200 - total flux cleaned = -0.000904315 Jy ! Total flux subtracted in 200 components = -0.000904315 Jy ! Clean residual min=-0.001212 max=0.001623 Jy/beam ! Clean residual mean=-0.000001 rms=0.000334 Jy/beam ! Combined flux in latest and established models = 0.145793 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 70 components and 0.145793 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=0.023131Jy sigma=0.672365 ! Fit after self-cal, rms=0.023130Jy sigma=0.672211 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 (8.1, -31.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00143043 Jy ! Component: 100 - total flux cleaned = 0.00188991 Jy ! Component: 150 - total flux cleaned = 0.00208294 Jy ! Component: 200 - total flux cleaned = 0.00222702 Jy ! Total flux subtracted in 200 components = 0.00222702 Jy ! Clean residual min=-0.001115 max=0.001420 Jy/beam ! Clean residual mean=-0.000000 rms=0.000302 Jy/beam ! Combined flux in latest and established models = 0.14802 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 90 components and 0.14802 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=0.023004Jy sigma=0.667746 ! Fit after self-cal, rms=0.022999Jy sigma=0.667630 ! Inverting map ! Added new window around map position (-39.3, 16.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0011765 Jy ! Component: 100 - total flux cleaned = 0.0014145 Jy ! Component: 150 - total flux cleaned = 0.00153898 Jy ! Component: 200 - total flux cleaned = 0.00159464 Jy ! Total flux subtracted in 200 components = 0.00159464 Jy ! Clean residual min=-0.001068 max=0.001119 Jy/beam ! Clean residual mean=-0.000000 rms=0.000280 Jy/beam ! Combined flux in latest and established models = 0.149614 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 108 components and 0.149614 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=0.022891Jy sigma=0.664587 ! Fit after self-cal, rms=0.022890Jy sigma=0.664405 ! 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=0.022890Jy sigma=0.664405 ! Fit after self-cal, rms=0.022832Jy sigma=0.663867 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.829 mas, bmaj=4.251 mas, bpa=16.33 degrees ! Estimated noise=0.392527 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000109305 Jy ! Component: 100 - total flux cleaned = 0.000183507 Jy ! Component: 150 - total flux cleaned = 0.00023462 Jy ! Component: 200 - total flux cleaned = 0.000265618 Jy ! Total flux subtracted in 200 components = 0.000265618 Jy ! Clean residual min=-0.001016 max=0.001087 Jy/beam ! Clean residual mean=-0.000001 rms=0.000267 Jy/beam ! Combined flux in latest and established models = 0.14988 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 115 components and 0.14988 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=0.022796Jy sigma=0.662697 ! Fit after self-cal, rms=0.022796Jy sigma=0.662647 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 = 6.03968e-05 Jy ! Component: 100 - total flux cleaned = 6.0344e-05 Jy ! Component: 150 - total flux cleaned = 7.34049e-05 Jy ! Component: 200 - total flux cleaned = 8.56833e-05 Jy ! Total flux subtracted in 200 components = 8.56833e-05 Jy ! Clean residual min=-0.000999 max=0.001082 Jy/beam ! Clean residual mean=-0.000001 rms=0.000264 Jy/beam ! Combined flux in latest and established models = 0.149966 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 122 components and 0.149966 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=0.022775Jy sigma=0.662077 ! Fit after self-cal, rms=0.022775Jy sigma=0.662065 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.022775Jy sigma=0.662065 ! Fit after self-cal, rms=0.022742Jy sigma=0.661885 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.61 mas, bmaj=5.545 mas, bpa=2.914 degrees ! Estimated noise=0.463679 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.01674e-05 Jy ! Component: 100 - total flux cleaned = -6.8221e-05 Jy ! Component: 150 - total flux cleaned = -7.91014e-05 Jy ! Component: 200 - total flux cleaned = -6.9008e-05 Jy ! Total flux subtracted in 200 components = -6.9008e-05 Jy ! Clean residual min=-0.001120 max=0.001075 Jy/beam ! Clean residual mean=-0.000002 rms=0.000315 Jy/beam ! Combined flux in latest and established models = 0.149897 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 151 components and 0.149896 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=0.022733Jy sigma=0.661469 ! Fit after self-cal, rms=0.022731Jy sigma=0.661419 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 = -4.03375e-05 Jy ! Component: 100 - total flux cleaned = -2.07058e-05 Jy ! Component: 150 - total flux cleaned = 6.21885e-06 Jy ! Component: 200 - total flux cleaned = 2.2945e-05 Jy ! Total flux subtracted in 200 components = 2.2945e-05 Jy ! Clean residual min=-0.001090 max=0.001049 Jy/beam ! Clean residual mean=-0.000002 rms=0.000311 Jy/beam ! Combined flux in latest and established models = 0.149919 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 158 components and 0.149919 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=0.022727Jy sigma=0.661234 ! Fit after self-cal, rms=0.022726Jy sigma=0.661218 ! 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=1.828 mas, bmaj=4.251 mas, bpa=16.32 degrees ! Estimated noise=0.392187 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.828 x 4.251 at 16.32 degrees (North through East) ! Clean map min=-0.00090273 max=0.12143 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "============== Clearing model and starting over ==========" ! ============== Clearing model and starting over ========== clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.394 mas, bmaj=3.81 mas, bpa=19.27 degrees ! Estimated noise=0.569919 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0902493 Jy ! Component: 100 - total flux cleaned = 0.116987 Jy ! Component: 150 - total flux cleaned = 0.129133 Jy ! Component: 200 - total flux cleaned = 0.134773 Jy ! Total flux subtracted in 200 components = 0.134773 Jy ! Clean residual min=-0.002074 max=0.002579 Jy/beam ! Clean residual mean=0.000003 rms=0.000498 Jy/beam ! Combined flux in latest and established models = 0.134773 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 0.134773 Jy ! Inverting map and beam ! Estimated beam: bmin=1.828 mas, bmaj=4.251 mas, bpa=16.32 degrees ! Estimated noise=0.392187 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 = 0.00406928 Jy ! Component: 100 - total flux cleaned = 0.00635921 Jy ! Component: 150 - total flux cleaned = 0.00800668 Jy ! Component: 200 - total flux cleaned = 0.00926001 Jy ! Total flux subtracted in 200 components = 0.00926001 Jy ! Clean residual min=-0.001154 max=0.001466 Jy/beam ! Clean residual mean=0.000000 rms=0.000338 Jy/beam ! Combined flux in latest and established models = 0.144033 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 46 components and 0.144033 Jy ! Inverting map ! Added new window around map position (0.9, -6.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00123811 Jy ! Component: 100 - total flux cleaned = 0.00194393 Jy ! Component: 150 - total flux cleaned = 0.00254776 Jy ! Component: 200 - total flux cleaned = 0.00299457 Jy ! Total flux subtracted in 200 components = 0.00299457 Jy ! Clean residual min=-0.001037 max=0.001305 Jy/beam ! Clean residual mean=0.000000 rms=0.000285 Jy/beam ! Combined flux in latest and established models = 0.147027 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 77 components and 0.147027 Jy ! Inverting map ! Added new window around map position (-24.9, -3.9). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000868907 Jy ! Component: 100 - total flux cleaned = 0.00125089 Jy ! Component: 150 - total flux cleaned = 0.00161565 Jy ! Component: 200 - total flux cleaned = 0.00188388 Jy ! Total flux subtracted in 200 components = 0.00188388 Jy ! Clean residual min=-0.001003 max=0.001086 Jy/beam ! Clean residual mean=-0.000000 rms=0.000257 Jy/beam ! Combined flux in latest and established models = 0.148911 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 100 components and 0.148911 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.61 mas, bmaj=5.545 mas, bpa=2.914 degrees ! Estimated noise=0.463679 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000745885 Jy ! Component: 100 - total flux cleaned = 0.00123116 Jy ! Component: 150 - total flux cleaned = 0.00152511 Jy ! Component: 200 - total flux cleaned = 0.0017138 Jy ! Total flux subtracted in 200 components = 0.0017138 Jy ! Clean residual min=-0.001149 max=0.000942 Jy/beam ! Clean residual mean=-0.000002 rms=0.000280 Jy/beam ! Combined flux in latest and established models = 0.150625 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 = 8.51984e-05 Jy ! Component: 100 - total flux cleaned = 0.000163957 Jy ! Component: 150 - total flux cleaned = 0.000224801 Jy ! Component: 200 - total flux cleaned = 0.000270684 Jy ! Total flux subtracted in 200 components = 0.000270684 Jy ! Clean residual min=-0.001088 max=0.000903 Jy/beam ! Clean residual mean=-0.000001 rms=0.000270 Jy/beam ! Combined flux in latest and established models = 0.150896 Jy ! Adding 50 model components to the UV plane model. ! The established model now contains 148 components and 0.150896 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.828 mas, bmaj=4.251 mas, bpa=16.32 degrees ! Estimated noise=0.392187 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000157926 Jy ! Component: 100 - total flux cleaned = 0.000244062 Jy ! Component: 150 - total flux cleaned = 0.000324722 Jy ! Component: 200 - total flux cleaned = 0.000370806 Jy ! Total flux subtracted in 200 components = 0.000370806 Jy ! Clean residual min=-0.000920 max=0.001027 Jy/beam ! Clean residual mean=-0.000000 rms=0.000235 Jy/beam ! Combined flux in latest and established models = 0.151267 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 171 components and 0.151267 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=0.022659Jy sigma=0.657694 ! Fit after self-cal, rms=0.022650Jy sigma=0.657107 wmodel J1853+2344_C_map.mod ! Writing 171 model components to file: J1853+2344_C_map.mod wobs J1853+2344_C_uvs.fits ! Writing UV FITS file: J1853+2344_C_uvs.fits wwins J1853+2344_C_map.win ! wwins: Wrote 6 windows to J1853+2344_C_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000275488 Jy ! Component: 100 - total flux cleaned = 0.00032401 Jy ! Component: 150 - total flux cleaned = 0.000449262 Jy ! Component: 200 - total flux cleaned = 0.000585574 Jy ! Component: 250 - total flux cleaned = 0.000703269 Jy ! Component: 300 - total flux cleaned = 0.000860834 Jy ! Component: 350 - total flux cleaned = 0.00100043 Jy ! Component: 400 - total flux cleaned = 0.00110927 Jy ! Component: 450 - total flux cleaned = 0.00112253 Jy ! Component: 500 - total flux cleaned = 0.00114893 Jy ! Component: 550 - total flux cleaned = 0.00116202 Jy ! Component: 600 - total flux cleaned = 0.00118717 Jy ! Component: 650 - total flux cleaned = 0.00119936 Jy ! Component: 700 - total flux cleaned = 0.0012361 Jy ! Component: 750 - total flux cleaned = 0.0012481 Jy ! Component: 800 - total flux cleaned = 0.00126018 Jy ! Component: 850 - total flux cleaned = 0.00134232 Jy ! Component: 900 - total flux cleaned = 0.00135388 Jy ! Component: 950 - total flux cleaned = 0.00143399 Jy ! Component: 1000 - total flux cleaned = 0.00147892 Jy ! Component: 1050 - total flux cleaned = 0.00154576 Jy ! Component: 1100 - total flux cleaned = 0.0015677 Jy ! Component: 1150 - total flux cleaned = 0.00160041 Jy ! Component: 1200 - total flux cleaned = 0.0016328 Jy ! Component: 1250 - total flux cleaned = 0.00163278 Jy ! Component: 1300 - total flux cleaned = 0.00166444 Jy ! Component: 1350 - total flux cleaned = 0.0016957 Jy ! Component: 1400 - total flux cleaned = 0.00171636 Jy ! Component: 1450 - total flux cleaned = 0.00174681 Jy ! Component: 1500 - total flux cleaned = 0.00177687 Jy ! Component: 1550 - total flux cleaned = 0.00177677 Jy ! Component: 1600 - total flux cleaned = 0.00182629 Jy ! Component: 1650 - total flux cleaned = 0.00185557 Jy ! Component: 1700 - total flux cleaned = 0.0018555 Jy ! Component: 1750 - total flux cleaned = 0.00188446 Jy ! Component: 1800 - total flux cleaned = 0.00187487 Jy ! Component: 1850 - total flux cleaned = 0.00191287 Jy ! Component: 1900 - total flux cleaned = 0.00192222 Jy ! Component: 1950 - total flux cleaned = 0.00195027 Jy ! Component: 2000 - total flux cleaned = 0.00198732 Jy ! Component: 2050 - total flux cleaned = 0.00198737 Jy ! Component: 2100 - total flux cleaned = 0.00202389 Jy ! Component: 2150 - total flux cleaned = 0.002033 Jy ! Component: 2200 - total flux cleaned = 0.0020779 Jy ! Component: 2250 - total flux cleaned = 0.00210466 Jy ! Component: 2300 - total flux cleaned = 0.00213133 Jy ! Component: 2350 - total flux cleaned = 0.0021665 Jy ! Component: 2400 - total flux cleaned = 0.00217532 Jy ! Component: 2450 - total flux cleaned = 0.00220143 Jy ! Component: 2500 - total flux cleaned = 0.00221868 Jy ! Component: 2550 - total flux cleaned = 0.00225308 Jy ! Component: 2600 - total flux cleaned = 0.00225301 Jy ! Component: 2650 - total flux cleaned = 0.00226152 Jy ! Component: 2700 - total flux cleaned = 0.00226999 Jy ! Component: 2750 - total flux cleaned = 0.00225319 Jy ! Component: 2800 - total flux cleaned = 0.00226158 Jy ! Component: 2850 - total flux cleaned = 0.00229473 Jy ! Component: 2900 - total flux cleaned = 0.00227825 Jy ! Component: 2950 - total flux cleaned = 0.00228638 Jy ! Component: 3000 - total flux cleaned = 0.00229447 Jy ! Component: 3050 - total flux cleaned = 0.00228637 Jy ! Component: 3100 - total flux cleaned = 0.00228633 Jy ! Component: 3150 - total flux cleaned = 0.00231827 Jy ! Component: 3200 - total flux cleaned = 0.00229451 Jy ! Component: 3250 - total flux cleaned = 0.00228656 Jy ! Component: 3300 - total flux cleaned = 0.00232591 Jy ! Component: 3350 - total flux cleaned = 0.00230247 Jy ! Component: 3400 - total flux cleaned = 0.00230246 Jy ! Component: 3450 - total flux cleaned = 0.00230242 Jy ! Component: 3500 - total flux cleaned = 0.00232552 Jy ! Component: 3550 - total flux cleaned = 0.00231018 Jy ! Component: 3600 - total flux cleaned = 0.00235584 Jy ! Component: 3650 - total flux cleaned = 0.00234064 Jy ! Component: 3700 - total flux cleaned = 0.00234821 Jy ! Component: 3750 - total flux cleaned = 0.00234075 Jy ! Component: 3800 - total flux cleaned = 0.00234075 Jy ! Component: 3850 - total flux cleaned = 0.00232591 Jy ! Component: 3900 - total flux cleaned = 0.00235544 Jy ! Component: 3950 - total flux cleaned = 0.00237742 Jy ! Component: 4000 - total flux cleaned = 0.00237744 Jy ! Component: 4050 - total flux cleaned = 0.00234842 Jy ! Total flux subtracted in 4096 components = 0.00235567 Jy ! Clean residual min=-0.000391 max=0.000435 Jy/beam ! Clean residual mean=-0.000000 rms=0.000128 Jy/beam ! Combined flux in latest and established models = 0.153622 Jy keep ! Adding 260 model components to the UV plane model. ! The established model now contains 431 components and 0.153622 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J1853+2344_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.828 x 4.251 at 16.32 degrees (North through East) ! Clean map min=-0.0008911 max=0.12208 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J1853+2344_C_map.fits wmodel /vlbi/sb072/temp_maps//J1853+2344_C_map.mod ! Writing 431 model components to file: /vlbi/sb072/temp_maps//J1853+2344_C_map.mod wobs /vlbi/sb072/temp_maps//J1853+2344_C_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J1853+2344_C_uvs.fits wwins /vlbi/sb072/temp_maps//J1853+2344_C_map.win ! wwins: Wrote 7 windows to /vlbi/sb072/temp_maps//J1853+2344_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.122085 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000127792 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.314025 0.314025 0.628051 1.2561 2.5122 5.02441 10.0488 20.0976 40.1952 80.3905 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.122 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 955.336 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J1853+2344_C_dfm.log closed on Tue Mar 5 23:29:38 2019