! Started logfile: /vlbi/sb072/temp_maps//J1837+5347_X_dfm.log on Fri Jan 25 19:43:57 2019 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 7.39200 obs /vlbi/sb072/temp_maps//J1837+5347_X_uva.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J1837+5347_X_uva.fits ! AN table 1: 19 integrations on 45 of 45 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1837+5347 ! ! 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 6840 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 J1837+5347_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. ! ! 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=1.001643Jy sigma=42.543944 ! Fit after self-cal, rms=0.957210Jy sigma=40.700526 ! 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=0.67 mas, bmaj=2.738 mas, bpa=-12.75 degrees ! Estimated noise=0.460253 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 = 0.0327604 Jy ! Component: 100 - total flux cleaned = 0.0399105 Jy ! Total flux subtracted in 100 components = 0.0399105 Jy ! Clean residual min=-0.002135 max=0.002768 Jy/beam ! Clean residual mean=-0.000000 rms=0.000461 Jy/beam ! Combined flux in latest and established models = 0.0399105 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.0399105 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=0.018799Jy sigma=0.766898 ! Fit after self-cal, rms=0.017357Jy sigma=0.700720 ! Inverting map ! Added new window around map position (1.8, 1.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00203475 Jy ! Component: 100 - total flux cleaned = 0.00209596 Jy ! Total flux subtracted in 100 components = 0.00209596 Jy ! Clean residual min=-0.001554 max=0.001995 Jy/beam ! Clean residual mean=-0.000000 rms=0.000383 Jy/beam ! Combined flux in latest and established models = 0.0420065 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 16 components and 0.0420065 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=0.016848Jy sigma=0.683202 ! Fit after self-cal, rms=0.016833Jy sigma=0.682799 ! 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=0.8968 mas, bmaj=2.793 mas, bpa=-12.84 degrees ! Estimated noise=0.203904 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-6.2, 6.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00170848 Jy ! Component: 100 - total flux cleaned = 0.00196861 Jy ! Component: 150 - total flux cleaned = 0.00196709 Jy ! Component: 200 - total flux cleaned = 0.00188713 Jy ! Total flux subtracted in 200 components = 0.00188713 Jy ! Clean residual min=-0.001001 max=0.001078 Jy/beam ! Clean residual mean=0.000001 rms=0.000226 Jy/beam ! Combined flux in latest and established models = 0.0438936 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 37 components and 0.0438936 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=0.016612Jy sigma=0.674385 ! Fit after self-cal, rms=0.016598Jy sigma=0.674033 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8968 x 2.793 at -12.84 degrees (North through East) ! Clean map min=-0.0011078 max=0.042203 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.09 HN 0.93 KP 0.94 ! LA 1.00 MK 0.95 NL 1.06 OV 0.91 ! PT 0.99 SC 0.99 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.06 HN 0.91 KP 0.96 ! LA 0.95 MK 0.99 NL 0.98 OV 0.95 ! PT 0.94 SC 0.94 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.06 HN 0.94 KP 0.99 ! LA 1.01 MK 1.02 NL 1.09 OV 1.01 ! PT 1.00 SC 1.05 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.03 HN 0.92 KP 0.97 ! LA 1.00 MK 1.02 NL 1.00 OV 0.95 ! PT 0.97 SC 1.03 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.06 HN 0.93 KP 1.02 ! LA 1.02 MK 1.07 NL 1.07 OV 1.02 ! PT 1.03 SC 1.06 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.12 HN 1.00 KP 1.01 ! LA 1.04 MK 1.03 NL 1.05 OV 0.99 ! PT 1.02 SC 1.06 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.01 HN 0.94 KP 1.02 ! LA 1.06 MK 1.02 NL 1.05 OV 0.98 ! PT 0.96 SC 1.03 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.16 HN 0.92 KP 0.98 ! LA 1.01 MK 0.96 NL 1.00 OV 0.97 ! PT 0.98 SC 1.01 ! ! ! Fit before self-cal, rms=0.016598Jy sigma=0.674033 ! Fit after self-cal, rms=0.015921Jy sigma=0.658914 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8982 mas, bmaj=2.766 mas, bpa=-13.05 degrees ! Estimated noise=0.202832 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 = -0.000119026 Jy ! Component: 100 - total flux cleaned = -0.000197782 Jy ! Component: 150 - total flux cleaned = -0.000220264 Jy ! Component: 200 - total flux cleaned = -0.000210614 Jy ! Total flux subtracted in 200 components = -0.000210614 Jy ! Clean residual min=-0.000582 max=0.000596 Jy/beam ! Clean residual mean=0.000000 rms=0.000140 Jy/beam ! Combined flux in latest and established models = 0.043683 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 57 components and 0.043683 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=0.015891Jy sigma=0.657754 ! Fit after self-cal, rms=0.015887Jy sigma=0.657673 ! 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=0.015887Jy sigma=0.657673 ! Fit after self-cal, rms=0.015863Jy sigma=0.657424 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8989 mas, bmaj=2.76 mas, bpa=-13.12 degrees ! Estimated noise=0.202889 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.11357e-06 Jy ! Component: 100 - total flux cleaned = -2.98464e-06 Jy ! Component: 150 - total flux cleaned = -3.09794e-06 Jy ! Component: 200 - total flux cleaned = 5.42452e-06 Jy ! Total flux subtracted in 200 components = 5.42452e-06 Jy ! Clean residual min=-0.000553 max=0.000583 Jy/beam ! Clean residual mean=0.000000 rms=0.000134 Jy/beam ! Combined flux in latest and established models = 0.0436884 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 72 components and 0.0436884 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=0.015848Jy sigma=0.656882 ! Fit after self-cal, rms=0.015847Jy sigma=0.656873 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 (41.4, -1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00016497 Jy ! Component: 100 - total flux cleaned = 0.000106337 Jy ! Component: 150 - total flux cleaned = 5.55494e-05 Jy ! Component: 200 - total flux cleaned = 8.17451e-05 Jy ! Total flux subtracted in 200 components = 8.17451e-05 Jy ! Clean residual min=-0.000553 max=0.000514 Jy/beam ! Clean residual mean=0.000000 rms=0.000125 Jy/beam ! Combined flux in latest and established models = 0.0437702 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 91 components and 0.0437702 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=0.015826Jy sigma=0.656000 ! Fit after self-cal, rms=0.015826Jy sigma=0.655957 ! 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=0.015826Jy sigma=0.655957 ! Fit after self-cal, rms=0.015804Jy sigma=0.655812 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8993 mas, bmaj=2.758 mas, bpa=-13.17 degrees ! Estimated noise=0.202765 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.55326e-05 Jy ! Component: 100 - total flux cleaned = 1.70313e-05 Jy ! Component: 150 - total flux cleaned = 1.79444e-05 Jy ! Component: 200 - total flux cleaned = -4.88054e-06 Jy ! Total flux subtracted in 200 components = -4.88054e-06 Jy ! Clean residual min=-0.000539 max=0.000490 Jy/beam ! Clean residual mean=0.000001 rms=0.000121 Jy/beam ! Combined flux in latest and established models = 0.0437653 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 100 components and 0.0437653 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=0.015794Jy sigma=0.655429 ! Fit after self-cal, rms=0.015794Jy sigma=0.655423 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 = -2.93824e-05 Jy ! Component: 100 - total flux cleaned = -2.94797e-05 Jy ! Component: 150 - total flux cleaned = -4.27068e-05 Jy ! Component: 200 - total flux cleaned = -4.26158e-05 Jy ! Total flux subtracted in 200 components = -4.26158e-05 Jy ! Clean residual min=-0.000526 max=0.000477 Jy/beam ! Clean residual mean=0.000001 rms=0.000119 Jy/beam ! Combined flux in latest and established models = 0.0437227 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 108 components and 0.0437226 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=0.015789Jy sigma=0.655223 ! Fit after self-cal, rms=0.015789Jy sigma=0.655221 ! 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=0.015789Jy sigma=0.655221 ! Fit after self-cal, rms=0.015766Jy sigma=0.655149 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.012 mas, bmaj=2.983 mas, bpa=-15.7 degrees ! Estimated noise=0.254503 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.49892e-05 Jy ! Component: 100 - total flux cleaned = 3.51249e-05 Jy ! Component: 150 - total flux cleaned = 5.26483e-05 Jy ! Component: 200 - total flux cleaned = 6.37052e-05 Jy ! Total flux subtracted in 200 components = 6.37052e-05 Jy ! Clean residual min=-0.000537 max=0.000494 Jy/beam ! Clean residual mean=0.000001 rms=0.000133 Jy/beam ! Combined flux in latest and established models = 0.0437864 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 124 components and 0.0437863 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=0.015763Jy sigma=0.655008 ! Fit after self-cal, rms=0.015763Jy sigma=0.655001 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 = 4.77025e-06 Jy ! Component: 100 - total flux cleaned = -5.19936e-06 Jy ! Component: 150 - total flux cleaned = -5.18714e-06 Jy ! Component: 200 - total flux cleaned = -1.42964e-05 Jy ! Total flux subtracted in 200 components = -1.42964e-05 Jy ! Clean residual min=-0.000534 max=0.000485 Jy/beam ! Clean residual mean=0.000001 rms=0.000131 Jy/beam ! Combined flux in latest and established models = 0.043772 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 134 components and 0.043772 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=0.015761Jy sigma=0.654944 ! Fit after self-cal, rms=0.015761Jy sigma=0.654943 ! 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=0.8996 mas, bmaj=2.756 mas, bpa=-13.21 degrees ! Estimated noise=0.202569 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8996 x 2.756 at -13.21 degrees (North through East) ! Clean map min=-0.00045959 max=0.041898 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=0.6749 mas, bmaj=2.698 mas, bpa=-13.19 degrees ! Estimated noise=0.455522 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0329963 Jy ! Component: 100 - total flux cleaned = 0.0402177 Jy ! Component: 150 - total flux cleaned = 0.0420534 Jy ! Component: 200 - total flux cleaned = 0.0424641 Jy ! Total flux subtracted in 200 components = 0.0424641 Jy ! Clean residual min=-0.001177 max=0.001244 Jy/beam ! Clean residual mean=-0.000000 rms=0.000298 Jy/beam ! Combined flux in latest and established models = 0.0424641 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 20 model components to the UV plane model. ! The established model now contains 20 components and 0.0424641 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8996 mas, bmaj=2.756 mas, bpa=-13.21 degrees ! Estimated noise=0.202569 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 = 0.00115213 Jy ! Component: 100 - total flux cleaned = 0.00150274 Jy ! Component: 150 - total flux cleaned = 0.00150309 Jy ! Component: 200 - total flux cleaned = 0.0014723 Jy ! Total flux subtracted in 200 components = 0.0014723 Jy ! Clean residual min=-0.000564 max=0.000539 Jy/beam ! Clean residual mean=0.000000 rms=0.000135 Jy/beam ! Combined flux in latest and established models = 0.0439364 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 46 components and 0.0439365 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.012 mas, bmaj=2.983 mas, bpa=-15.7 degrees ! Estimated noise=0.254503 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000186324 Jy ! Component: 100 - total flux cleaned = 0.000186269 Jy ! Component: 150 - total flux cleaned = 0.000142088 Jy ! Component: 200 - total flux cleaned = 0.000122344 Jy ! Total flux subtracted in 200 components = 0.000122344 Jy ! Clean residual min=-0.000551 max=0.000515 Jy/beam ! Clean residual mean=0.000001 rms=0.000141 Jy/beam ! Combined flux in latest and established models = 0.0440588 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 = -4.32342e-05 Jy ! Component: 100 - total flux cleaned = -8.14248e-05 Jy ! Component: 150 - total flux cleaned = -0.00010934 Jy ! Component: 200 - total flux cleaned = -0.000115809 Jy ! Total flux subtracted in 200 components = -0.000115809 Jy ! Clean residual min=-0.000540 max=0.000498 Jy/beam ! Clean residual mean=0.000001 rms=0.000134 Jy/beam ! Combined flux in latest and established models = 0.043943 Jy ! Adding 51 model components to the UV plane model. ! The established model now contains 93 components and 0.043943 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8996 mas, bmaj=2.756 mas, bpa=-13.21 degrees ! Estimated noise=0.202569 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -5.82765e-05 Jy ! Component: 100 - total flux cleaned = -0.000116507 Jy ! Component: 150 - total flux cleaned = -0.000142207 Jy ! Component: 200 - total flux cleaned = -0.000172731 Jy ! Total flux subtracted in 200 components = -0.000172731 Jy ! Clean residual min=-0.000540 max=0.000445 Jy/beam ! Clean residual mean=0.000000 rms=0.000117 Jy/beam ! Combined flux in latest and established models = 0.0437702 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 111 components and 0.0437702 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=0.015767Jy sigma=0.655240 ! Fit after self-cal, rms=0.015767Jy sigma=0.655228 wmodel J1837+5347_X_map.mod ! Writing 111 model components to file: J1837+5347_X_map.mod wobs J1837+5347_X_uvs.fits ! Writing UV FITS file: J1837+5347_X_uvs.fits wwins J1837+5347_X_map.win ! wwins: Wrote 4 windows to J1837+5347_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 = -0.000237835 Jy ! Component: 100 - total flux cleaned = -0.000322232 Jy ! Component: 150 - total flux cleaned = -0.000314461 Jy ! Component: 200 - total flux cleaned = -0.000299165 Jy ! Component: 250 - total flux cleaned = -0.00031357 Jy ! Component: 300 - total flux cleaned = -0.000334743 Jy ! Component: 350 - total flux cleaned = -0.000341601 Jy ! Component: 400 - total flux cleaned = -0.000368632 Jy ! Component: 450 - total flux cleaned = -0.00037527 Jy ! Component: 500 - total flux cleaned = -0.000381872 Jy ! Component: 550 - total flux cleaned = -0.000407175 Jy ! Component: 600 - total flux cleaned = -0.000400834 Jy ! Component: 650 - total flux cleaned = -0.000394721 Jy ! Component: 700 - total flux cleaned = -0.000388798 Jy ! Component: 750 - total flux cleaned = -0.000376955 Jy ! Component: 800 - total flux cleaned = -0.000371093 Jy ! Component: 850 - total flux cleaned = -0.00036535 Jy ! Component: 900 - total flux cleaned = -0.000359663 Jy ! Component: 950 - total flux cleaned = -0.000354145 Jy ! Component: 1000 - total flux cleaned = -0.00035418 Jy ! Component: 1050 - total flux cleaned = -0.000348751 Jy ! Component: 1100 - total flux cleaned = -0.000359421 Jy ! Component: 1150 - total flux cleaned = -0.000348865 Jy ! Component: 1200 - total flux cleaned = -0.000354027 Jy ! Component: 1250 - total flux cleaned = -0.000354075 Jy ! Component: 1300 - total flux cleaned = -0.000359162 Jy ! Component: 1350 - total flux cleaned = -0.000364132 Jy ! Component: 1400 - total flux cleaned = -0.000339147 Jy ! Component: 1450 - total flux cleaned = -0.000319435 Jy ! Component: 1500 - total flux cleaned = -0.000309728 Jy ! Component: 1550 - total flux cleaned = -0.000304872 Jy ! Component: 1600 - total flux cleaned = -0.000280932 Jy ! Component: 1650 - total flux cleaned = -0.000276189 Jy ! Component: 1700 - total flux cleaned = -0.000257395 Jy ! Component: 1750 - total flux cleaned = -0.000257318 Jy ! Component: 1800 - total flux cleaned = -0.000248037 Jy ! Component: 1850 - total flux cleaned = -0.000234309 Jy ! Component: 1900 - total flux cleaned = -0.000229739 Jy ! Component: 1950 - total flux cleaned = -0.000229816 Jy ! Component: 2000 - total flux cleaned = -0.000225261 Jy ! Component: 2050 - total flux cleaned = -0.000220787 Jy ! Component: 2100 - total flux cleaned = -0.000229529 Jy ! Component: 2150 - total flux cleaned = -0.000212088 Jy ! Component: 2200 - total flux cleaned = -0.000238078 Jy ! Component: 2250 - total flux cleaned = -0.000233795 Jy ! Component: 2300 - total flux cleaned = -0.000242296 Jy ! Component: 2350 - total flux cleaned = -0.000242313 Jy ! Component: 2400 - total flux cleaned = -0.000267585 Jy ! Component: 2450 - total flux cleaned = -0.000271744 Jy ! Component: 2500 - total flux cleaned = -0.000280063 Jy ! Component: 2550 - total flux cleaned = -0.00029654 Jy ! Component: 2600 - total flux cleaned = -0.000284162 Jy ! Component: 2650 - total flux cleaned = -0.000288228 Jy ! Component: 2700 - total flux cleaned = -0.000292265 Jy ! Component: 2750 - total flux cleaned = -0.000296282 Jy ! Component: 2800 - total flux cleaned = -0.000292281 Jy ! Component: 2850 - total flux cleaned = -0.00029227 Jy ! Component: 2900 - total flux cleaned = -0.000288312 Jy ! Component: 2950 - total flux cleaned = -0.00031198 Jy ! Component: 3000 - total flux cleaned = -0.000323713 Jy ! Component: 3050 - total flux cleaned = -0.000327618 Jy ! Component: 3100 - total flux cleaned = -0.000331497 Jy ! Component: 3150 - total flux cleaned = -0.00032381 Jy ! Component: 3200 - total flux cleaned = -0.000343032 Jy ! Component: 3250 - total flux cleaned = -0.000331602 Jy ! Component: 3300 - total flux cleaned = -0.000335429 Jy ! Component: 3350 - total flux cleaned = -0.00033547 Jy ! Component: 3400 - total flux cleaned = -0.000346761 Jy ! Component: 3450 - total flux cleaned = -0.000343059 Jy ! Component: 3500 - total flux cleaned = -0.000335606 Jy ! Component: 3550 - total flux cleaned = -0.000354148 Jy ! Component: 3600 - total flux cleaned = -0.000346776 Jy ! Component: 3650 - total flux cleaned = -0.000372525 Jy ! Component: 3700 - total flux cleaned = -0.00035055 Jy ! Component: 3750 - total flux cleaned = -0.000346924 Jy ! Component: 3800 - total flux cleaned = -0.000354187 Jy ! Component: 3850 - total flux cleaned = -0.000354205 Jy ! Component: 3900 - total flux cleaned = -0.000354222 Jy ! Component: 3950 - total flux cleaned = -0.00036497 Jy ! Component: 4000 - total flux cleaned = -0.000354271 Jy ! Component: 4050 - total flux cleaned = -0.000357835 Jy ! Total flux subtracted in 4096 components = -0.000354321 Jy ! Clean residual min=-0.000217 max=0.000226 Jy/beam ! Clean residual mean=-0.000000 rms=0.000063 Jy/beam ! Combined flux in latest and established models = 0.0434159 Jy keep ! Adding 284 model components to the UV plane model. ! The established model now contains 395 components and 0.0434159 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J1837+5347_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8996 x 2.756 at -13.21 degrees (North through East) ! Clean map min=-0.00035701 max=0.041854 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J1837+5347_X_map.fits wmodel /vlbi/sb072/temp_maps//J1837+5347_X_map.mod ! Writing 395 model components to file: /vlbi/sb072/temp_maps//J1837+5347_X_map.mod wobs /vlbi/sb072/temp_maps//J1837+5347_X_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J1837+5347_X_uvs.fits wwins /vlbi/sb072/temp_maps//J1837+5347_X_map.win ! wwins: Wrote 5 windows to /vlbi/sb072/temp_maps//J1837+5347_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0418544 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 6.24345e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.447512 0.447512 0.895025 1.79005 3.5801 7.1602 14.3204 28.6408 57.2816 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.041 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 670.372 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J1837+5347_X_dfm.log closed on Fri Jan 25 19:44:02 2019