! Started logfile: /vlbi/sb072/temp_maps//J2253+8153_C_dfm.log on Sat Jan 12 22:03:53 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//J2253+8153_C_uvm.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J2253+8153_C_uvm.fits ! AN table 1: 23 integrations on 28 of 28 possible baselines. ! AN table 2: 23 integrations on 36 of 36 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J2253+8153 ! ! 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 85 lines of history. ! ! Reading 11776 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 J2253+8153_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=0.999572Jy sigma=51.283685 ! Fit after self-cal, rms=0.990442Jy sigma=50.523343 ! 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=1.385 mas, bmaj=3.111 mas, bpa=-59.75 degrees ! Estimated noise=0.341376 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 = 0.00642615 Jy ! Component: 100 - total flux cleaned = 0.00859587 Jy ! Total flux subtracted in 100 components = 0.00859587 Jy ! Clean residual min=-0.001284 max=0.001539 Jy/beam ! Clean residual mean=-0.000005 rms=0.000342 Jy/beam ! Combined flux in latest and established models = 0.00859587 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.00859587 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=0.020007Jy sigma=1.013504 ! Fit after self-cal, rms=0.018634Jy sigma=0.965584 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00308522 Jy ! Component: 100 - total flux cleaned = 0.00445374 Jy ! Total flux subtracted in 100 components = 0.00445374 Jy ! Clean residual min=-0.001212 max=0.001477 Jy/beam ! Clean residual mean=-0.000002 rms=0.000296 Jy/beam ! Combined flux in latest and established models = 0.0130496 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 19 components and 0.0130496 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=0.017792Jy sigma=0.890153 ! Fit after self-cal, rms=0.017787Jy sigma=0.890006 ! 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=2.137 mas, bmaj=3.628 mas, bpa=-61.98 degrees ! Estimated noise=0.144041 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 = 0.00292919 Jy ! Component: 100 - total flux cleaned = 0.00464822 Jy ! Component: 150 - total flux cleaned = 0.00569581 Jy ! Component: 200 - total flux cleaned = 0.00633822 Jy ! Total flux subtracted in 200 components = 0.00633822 Jy ! Clean residual min=-0.001400 max=0.002193 Jy/beam ! Clean residual mean=-0.000013 rms=0.000502 Jy/beam ! Combined flux in latest and established models = 0.0193878 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 39 components and 0.0193878 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=0.017445Jy sigma=0.836784 ! Fit after self-cal, rms=0.017418Jy sigma=0.835634 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.137 x 3.628 at -61.98 degrees (North through East) ! Clean map min=-0.0013469 max=0.012336 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.19 FD 1.21 HN 0.72 KP 1.04 ! LA 0.76 NL 1.55 OV 1.22 PT 0.69 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.35 FD 0.88 HN 0.89 KP 1.02 ! LA 0.90 MK 0.97 OV 1.12 PT 0.99 ! SC 0.90 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.58 FD 1.16 HN 0.69 KP 1.14 ! LA 0.63 NL 1.54 OV 1.30 PT 0.71 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.21 FD 0.86 HN 1.07 KP 1.03 ! LA 0.90 MK 0.84 OV 1.34 PT 0.92 ! SC 0.91 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.35 FD 0.98 HN 0.78 KP 0.90 ! LA 0.85 NL 1.30 OV 1.26 PT 0.74 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.25 FD 0.96 HN 0.80 KP 0.95 ! LA 0.98 MK 0.83 OV 1.16 PT 0.99 ! SC 0.92 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.42 FD 1.18 HN 0.86 KP 0.77 ! LA 0.87 NL 1.28 OV 1.50 PT 0.68 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.45 FD 0.93 HN 0.76 KP 1.07 ! LA 0.92 MK 0.91 OV 1.58 PT 0.88 ! SC 1.10 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.43 FD 1.00 HN 0.85 KP 0.84 ! LA 0.86 NL 1.53 OV 1.11 PT 0.76 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.72 FD 0.97 HN 1.14 KP 1.14 ! LA 0.84 MK 1.00 OV 1.42 PT 0.87 ! SC 0.94 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.42 FD 1.05 HN 0.81 KP 0.91 ! LA 0.79 NL 1.39 OV 1.23 PT 0.75 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.45 FD 0.94 HN 0.97 KP 0.95 ! LA 1.01 MK 1.01 OV 1.42 PT 0.93 ! SC 0.99 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.20 FD 0.98 HN 0.89 KP 0.87 ! LA 0.91 NL 1.42 OV 1.37 PT 0.74 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.40 FD 0.95 HN 0.87 KP 0.98 ! LA 0.96 MK 1.08 OV 1.29 PT 0.89 ! SC 1.05 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.49 FD 1.08 HN 0.75 KP 0.88 ! LA 0.88 NL 1.29 OV 1.29 PT 0.75 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.34 FD 0.99 HN 0.81 KP 1.13 ! LA 0.94 MK 1.00 OV 1.35 PT 1.01 ! SC 1.00 ! ! ! Fit before self-cal, rms=0.017418Jy sigma=0.835634 ! Fit after self-cal, rms=0.019127Jy sigma=0.758448 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.146 mas, bmaj=3.459 mas, bpa=-61.1 degrees ! Estimated noise=0.141207 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 (7.8, 10.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000800248 Jy ! Component: 100 - total flux cleaned = 0.00100407 Jy ! Component: 150 - total flux cleaned = 0.00106664 Jy ! Component: 200 - total flux cleaned = 0.00108894 Jy ! Total flux subtracted in 200 components = 0.00108894 Jy ! Clean residual min=-0.000593 max=0.000701 Jy/beam ! Clean residual mean=0.000002 rms=0.000159 Jy/beam ! Combined flux in latest and established models = 0.0204768 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 61 components and 0.0204768 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=0.019076Jy sigma=0.757994 ! Fit after self-cal, rms=0.019260Jy sigma=0.754744 ! 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=0.019260Jy sigma=0.754744 ! Fit after self-cal, rms=0.019507Jy sigma=0.753528 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.139 mas, bmaj=3.411 mas, bpa=-61.17 degrees ! Estimated noise=0.140489 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000527482 Jy ! Component: 100 - total flux cleaned = 0.000646418 Jy ! Component: 150 - total flux cleaned = 0.000655801 Jy ! Component: 200 - total flux cleaned = 0.000664528 Jy ! Total flux subtracted in 200 components = 0.000664528 Jy ! Clean residual min=-0.000503 max=0.000588 Jy/beam ! Clean residual mean=0.000001 rms=0.000143 Jy/beam ! Combined flux in latest and established models = 0.0211413 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 75 components and 0.0211413 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=0.019484Jy sigma=0.753280 ! Fit after self-cal, rms=0.019512Jy sigma=0.753000 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 = 0.0001435 Jy ! Component: 100 - total flux cleaned = 0.000160213 Jy ! Component: 150 - total flux cleaned = 0.000160261 Jy ! Component: 200 - total flux cleaned = 0.000153433 Jy ! Total flux subtracted in 200 components = 0.000153433 Jy ! Clean residual min=-0.000493 max=0.000583 Jy/beam ! Clean residual mean=0.000001 rms=0.000141 Jy/beam ! Combined flux in latest and established models = 0.0212947 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 86 components and 0.0212947 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=0.019502Jy sigma=0.752916 ! Fit after self-cal, rms=0.019502Jy sigma=0.752859 ! 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=0.019502Jy sigma=0.752859 ! Fit after self-cal, rms=0.019784Jy sigma=0.752229 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.145 mas, bmaj=3.4 mas, bpa=-61.1 degrees ! Estimated noise=0.141694 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000347979 Jy ! Component: 100 - total flux cleaned = 0.000474181 Jy ! Component: 150 - total flux cleaned = 0.00050836 Jy ! Component: 200 - total flux cleaned = 0.000526818 Jy ! Total flux subtracted in 200 components = 0.000526818 Jy ! Clean residual min=-0.000503 max=0.000562 Jy/beam ! Clean residual mean=0.000001 rms=0.000136 Jy/beam ! Combined flux in latest and established models = 0.0218216 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 94 components and 0.0218216 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=0.019774Jy sigma=0.752111 ! Fit after self-cal, rms=0.019782Jy sigma=0.752010 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 = 0.000121489 Jy ! Component: 100 - total flux cleaned = 0.00013388 Jy ! Component: 150 - total flux cleaned = 0.000139636 Jy ! Component: 200 - total flux cleaned = 0.00014498 Jy ! Total flux subtracted in 200 components = 0.00014498 Jy ! Clean residual min=-0.000486 max=0.000564 Jy/beam ! Clean residual mean=0.000001 rms=0.000135 Jy/beam ! Combined flux in latest and established models = 0.0219665 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 101 components and 0.0219665 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=0.019777Jy sigma=0.751959 ! Fit after self-cal, rms=0.019778Jy sigma=0.751938 ! 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=0.019778Jy sigma=0.751938 ! Fit after self-cal, rms=0.019814Jy sigma=0.751498 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.669 mas, bmaj=5.348 mas, bpa=45.41 degrees ! Estimated noise=0.162715 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000324608 Jy ! Component: 100 - total flux cleaned = 0.000414889 Jy ! Component: 150 - total flux cleaned = 0.000441979 Jy ! Component: 200 - total flux cleaned = 0.000455953 Jy ! Total flux subtracted in 200 components = 0.000455953 Jy ! Clean residual min=-0.000611 max=0.000684 Jy/beam ! Clean residual mean=0.000001 rms=0.000168 Jy/beam ! Combined flux in latest and established models = 0.0224225 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 118 components and 0.0224225 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=0.019809Jy sigma=0.751562 ! Fit after self-cal, rms=0.019813Jy sigma=0.751492 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 = 6.37791e-05 Jy ! Component: 100 - total flux cleaned = 6.86079e-05 Jy ! Component: 150 - total flux cleaned = 6.44579e-05 Jy ! Component: 200 - total flux cleaned = 6.85218e-05 Jy ! Total flux subtracted in 200 components = 6.85218e-05 Jy ! Clean residual min=-0.000598 max=0.000677 Jy/beam ! Clean residual mean=0.000001 rms=0.000167 Jy/beam ! Combined flux in latest and established models = 0.022491 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 129 components and 0.022491 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=0.019811Jy sigma=0.751473 ! Fit after self-cal, rms=0.019813Jy sigma=0.751451 ! 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=2.147 mas, bmaj=3.391 mas, bpa=-61.05 degrees ! Estimated noise=0.142029 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.147 x 3.391 at -61.05 degrees (North through East) ! Clean map min=-0.00052568 max=0.011851 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=1.382 mas, bmaj=2.861 mas, bpa=-58.99 degrees ! Estimated noise=0.337136 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00822652 Jy ! Component: 100 - total flux cleaned = 0.0111713 Jy ! Component: 150 - total flux cleaned = 0.013084 Jy ! Component: 200 - total flux cleaned = 0.0145527 Jy ! Total flux subtracted in 200 components = 0.0145527 Jy ! Clean residual min=-0.001100 max=0.001126 Jy/beam ! Clean residual mean=-0.000001 rms=0.000263 Jy/beam ! Combined flux in latest and established models = 0.0145527 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 0.0145527 Jy ! Inverting map and beam ! Estimated beam: bmin=2.147 mas, bmaj=3.391 mas, bpa=-61.05 degrees ! Estimated noise=0.142029 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 = 0.00253288 Jy ! Component: 100 - total flux cleaned = 0.0040908 Jy ! Component: 150 - total flux cleaned = 0.00514981 Jy ! Component: 200 - total flux cleaned = 0.00590661 Jy ! Total flux subtracted in 200 components = 0.00590661 Jy ! Clean residual min=-0.000662 max=0.000778 Jy/beam ! Clean residual mean=-0.000001 rms=0.000177 Jy/beam ! Combined flux in latest and established models = 0.0204593 Jy ! Adding 52 model components to the UV plane model. ! The established model now contains 67 components and 0.0204593 Jy ! Inverting map ! Added new window around map position (-6, -2.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000732129 Jy ! Component: 100 - total flux cleaned = 0.00123153 Jy ! Component: 150 - total flux cleaned = 0.00143013 Jy ! Component: 200 - total flux cleaned = 0.00157305 Jy ! Total flux subtracted in 200 components = 0.00157305 Jy ! Clean residual min=-0.000559 max=0.000551 Jy/beam ! Clean residual mean=0.000000 rms=0.000139 Jy/beam ! Combined flux in latest and established models = 0.0220324 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 92 components and 0.0220324 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=4.669 mas, bmaj=5.348 mas, bpa=45.41 degrees ! Estimated noise=0.162715 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000387747 Jy ! Component: 100 - total flux cleaned = 0.000482164 Jy ! Component: 150 - total flux cleaned = 0.00050205 Jy ! Component: 200 - total flux cleaned = 0.000520383 Jy ! Total flux subtracted in 200 components = 0.000520383 Jy ! Clean residual min=-0.000590 max=0.000656 Jy/beam ! Clean residual mean=0.000001 rms=0.000168 Jy/beam ! Combined flux in latest and established models = 0.0225527 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 = 2.4803e-05 Jy ! Component: 100 - total flux cleaned = 3.99066e-05 Jy ! Component: 150 - total flux cleaned = 5.37692e-05 Jy ! Component: 200 - total flux cleaned = 5.36847e-05 Jy ! Total flux subtracted in 200 components = 5.36847e-05 Jy ! Clean residual min=-0.000551 max=0.000653 Jy/beam ! Clean residual mean=0.000001 rms=0.000164 Jy/beam ! Combined flux in latest and established models = 0.0226064 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 122 components and 0.0226064 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.147 mas, bmaj=3.391 mas, bpa=-61.05 degrees ! Estimated noise=0.142029 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -5.57106e-05 Jy ! Component: 100 - total flux cleaned = -4.0403e-05 Jy ! Component: 150 - total flux cleaned = -3.37565e-05 Jy ! Component: 200 - total flux cleaned = -2.06536e-05 Jy ! Total flux subtracted in 200 components = -2.06536e-05 Jy ! Clean residual min=-0.000486 max=0.000541 Jy/beam ! Clean residual mean=0.000001 rms=0.000127 Jy/beam ! Combined flux in latest and established models = 0.0225858 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 145 components and 0.0225858 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=0.019790Jy sigma=0.751087 ! Fit after self-cal, rms=0.019775Jy sigma=0.750507 wmodel J2253+8153_C_map.mod ! Writing 145 model components to file: J2253+8153_C_map.mod wobs J2253+8153_C_uvs.fits ! Writing UV FITS file: J2253+8153_C_uvs.fits wwins J2253+8153_C_map.win ! wwins: Wrote 3 windows to J2253+8153_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 = 0.000154716 Jy ! Component: 100 - total flux cleaned = 0.000188711 Jy ! Component: 150 - total flux cleaned = 0.000196866 Jy ! Component: 200 - total flux cleaned = 0.000173939 Jy ! Component: 250 - total flux cleaned = 0.0001299 Jy ! Component: 300 - total flux cleaned = 7.28857e-05 Jy ! Component: 350 - total flux cleaned = 3.14031e-05 Jy ! Component: 400 - total flux cleaned = -1.55891e-05 Jy ! Component: 450 - total flux cleaned = -2.88156e-05 Jy ! Component: 500 - total flux cleaned = -5.45704e-05 Jy ! Component: 550 - total flux cleaned = -6.07521e-05 Jy ! Component: 600 - total flux cleaned = -4.83508e-05 Jy ! Component: 650 - total flux cleaned = -4.23831e-05 Jy ! Component: 700 - total flux cleaned = -4.24506e-05 Jy ! Component: 750 - total flux cleaned = -1.565e-06 Jy ! Component: 800 - total flux cleaned = 1.55641e-05 Jy ! Component: 850 - total flux cleaned = 1.54936e-05 Jy ! Component: 900 - total flux cleaned = 2.6772e-05 Jy ! Component: 950 - total flux cleaned = 2.66648e-05 Jy ! Component: 1000 - total flux cleaned = 1.03553e-05 Jy ! Component: 1050 - total flux cleaned = 2.65415e-05 Jy ! Component: 1100 - total flux cleaned = 2.65161e-05 Jy ! Component: 1150 - total flux cleaned = 3.1731e-05 Jy ! Component: 1200 - total flux cleaned = 5.2454e-05 Jy ! Component: 1250 - total flux cleaned = 4.21165e-05 Jy ! Component: 1300 - total flux cleaned = 4.72612e-05 Jy ! Component: 1350 - total flux cleaned = 5.22697e-05 Jy ! Component: 1400 - total flux cleaned = 5.72751e-05 Jy ! Component: 1450 - total flux cleaned = 5.7202e-05 Jy ! Component: 1500 - total flux cleaned = 4.24041e-05 Jy ! Component: 1550 - total flux cleaned = 3.27615e-05 Jy ! Component: 1600 - total flux cleaned = 4.72428e-05 Jy ! Component: 1650 - total flux cleaned = 7.1189e-05 Jy ! Component: 1700 - total flux cleaned = 6.17303e-05 Jy ! Component: 1750 - total flux cleaned = 7.58572e-05 Jy ! Component: 1800 - total flux cleaned = 8.98243e-05 Jy ! Component: 1850 - total flux cleaned = 0.000108262 Jy ! Component: 1900 - total flux cleaned = 0.000117387 Jy ! Component: 1950 - total flux cleaned = 0.000130953 Jy ! Component: 2000 - total flux cleaned = 0.000140007 Jy ! Component: 2050 - total flux cleaned = 0.000157907 Jy ! Component: 2100 - total flux cleaned = 0.000153498 Jy ! Component: 2150 - total flux cleaned = 0.000171159 Jy ! Component: 2200 - total flux cleaned = 0.000184295 Jy ! Component: 2250 - total flux cleaned = 0.000179908 Jy ! Component: 2300 - total flux cleaned = 0.000175575 Jy ! Component: 2350 - total flux cleaned = 0.000175575 Jy ! Component: 2400 - total flux cleaned = 0.000179817 Jy ! Component: 2450 - total flux cleaned = 0.000167096 Jy ! Component: 2500 - total flux cleaned = 0.000179774 Jy ! Component: 2550 - total flux cleaned = 0.000179775 Jy ! Component: 2600 - total flux cleaned = 0.000175588 Jy ! Component: 2650 - total flux cleaned = 0.000183861 Jy ! Component: 2700 - total flux cleaned = 0.000159224 Jy ! Component: 2750 - total flux cleaned = 0.000171518 Jy ! Component: 2800 - total flux cleaned = 0.000159338 Jy ! Component: 2850 - total flux cleaned = 0.000143162 Jy ! Component: 2900 - total flux cleaned = 0.000143164 Jy ! Component: 2950 - total flux cleaned = 0.000151142 Jy ! Component: 3000 - total flux cleaned = 0.000123402 Jy ! Component: 3050 - total flux cleaned = 0.000123397 Jy ! Component: 3100 - total flux cleaned = 0.000127349 Jy ! Component: 3150 - total flux cleaned = 0.000139009 Jy ! Component: 3200 - total flux cleaned = 0.000135128 Jy ! Component: 3250 - total flux cleaned = 0.000131234 Jy ! Component: 3300 - total flux cleaned = 0.000131196 Jy ! Component: 3350 - total flux cleaned = 0.000119756 Jy ! Component: 3400 - total flux cleaned = 0.000119751 Jy ! Component: 3450 - total flux cleaned = 0.000123514 Jy ! Component: 3500 - total flux cleaned = 0.000116017 Jy ! Component: 3550 - total flux cleaned = 0.000108544 Jy ! Component: 3600 - total flux cleaned = 0.000101091 Jy ! Component: 3650 - total flux cleaned = 0.000115911 Jy ! Component: 3700 - total flux cleaned = 0.000119578 Jy ! Component: 3750 - total flux cleaned = 0.000108638 Jy ! Component: 3800 - total flux cleaned = 0.000119563 Jy ! Component: 3850 - total flux cleaned = 0.000119546 Jy ! Component: 3900 - total flux cleaned = 0.000115965 Jy ! Component: 3950 - total flux cleaned = 0.0001267 Jy ! Component: 4000 - total flux cleaned = 0.000130245 Jy ! Component: 4050 - total flux cleaned = 0.000133815 Jy ! Total flux subtracted in 4096 components = 0.000119669 Jy ! Clean residual min=-0.000176 max=0.000188 Jy/beam ! Clean residual mean=0.000000 rms=0.000063 Jy/beam ! Combined flux in latest and established models = 0.0227054 Jy keep ! Adding 277 model components to the UV plane model. ! The established model now contains 422 components and 0.0227054 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J2253+8153_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.147 x 3.391 at -61.05 degrees (North through East) ! Clean map min=-0.00037275 max=0.012062 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J2253+8153_C_map.fits wmodel /vlbi/sb072/temp_maps//J2253+8153_C_map.mod ! Writing 422 model components to file: /vlbi/sb072/temp_maps//J2253+8153_C_map.mod wobs /vlbi/sb072/temp_maps//J2253+8153_C_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J2253+8153_C_uvs.fits wwins /vlbi/sb072/temp_maps//J2253+8153_C_map.win ! wwins: Wrote 4 windows to /vlbi/sb072/temp_maps//J2253+8153_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0120619 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 6.28381e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.56289 1.56289 3.12578 6.25157 12.5031 25.0063 50.0125 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.012 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 191.951 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J2253+8153_C_dfm.log closed on Sat Jan 12 22:03:57 2019