! Started logfile: /vlbi/sb072/temp_maps//J2158-1501_C_dfm.log on Fri Jan 25 19:55:18 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//J2158-1501_C_uva.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J2158-1501_C_uva.fits ! AN table 1: 3 integrations on 28 of 28 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J2158-1501 ! ! 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 672 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 J2158-1501_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. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=2.052225Jy sigma=61.137011 ! Fit after self-cal, rms=1.068189Jy sigma=32.021590 ! 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=1.096 mas, bmaj=3.29 mas, bpa=-2.234 degrees ! Estimated noise=1.10579 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 = 1.15079 Jy ! Component: 100 - total flux cleaned = 1.65541 Jy ! Total flux subtracted in 100 components = 1.65541 Jy ! Clean residual min=-0.129653 max=0.224273 Jy/beam ! Clean residual mean=0.000007 rms=0.043319 Jy/beam ! Combined flux in latest and established models = 1.65541 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 1.65541 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=0.682790Jy sigma=17.426879 ! Fit after self-cal, rms=0.680658Jy sigma=17.334051 ! 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=1.306 mas, bmaj=3.698 mas, bpa=-2.312 degrees ! Estimated noise=1.01205 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 = 0.278933 Jy ! Component: 100 - total flux cleaned = 0.401997 Jy ! Component: 150 - total flux cleaned = 0.461627 Jy ! Component: 200 - total flux cleaned = 0.483926 Jy ! Total flux subtracted in 200 components = 0.483926 Jy ! Clean residual min=-0.131776 max=0.170943 Jy/beam ! Clean residual mean=0.000042 rms=0.038877 Jy/beam ! Combined flux in latest and established models = 2.13934 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 21 components and 2.13934 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=0.625642Jy sigma=12.483423 ! Fit after self-cal, rms=0.625550Jy sigma=12.477715 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.306 x 3.698 at -2.312 degrees (North through East) ! Clean map min=-0.12794 max=1.4029 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00* KP 1.32 LA 0.82 MK 0.97 ! NL 0.65 OV 1.02 PT 0.89 SC 0.92 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00* KP 1.37 LA 0.82 MK 1.02 ! NL 0.78 OV 1.00 PT 0.89 SC 0.94 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 0.90 KP 1.30 LA 1.02 MK 0.91 ! NL 0.97 OV 0.90 PT 0.87 SC 0.98 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 0.93 KP 1.52 LA 0.99 MK 0.92 ! NL 0.91 OV 0.99 PT 0.84 SC 0.99 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 0.91 KP 2.52 LA 1.05 MK 1.05 ! NL 1.09 OV 0.98 PT 0.87 SC 1.02 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 0.95 KP 3.68 LA 1.08 MK 1.15 ! NL 1.09 OV 0.99 PT 0.89 SC 1.02 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 0.95 KP 4.33 LA 1.06 MK 1.20 ! NL 1.06 OV 0.99 PT 0.90 SC 1.03 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 0.90 KP 4.48 LA 1.08 MK 1.23 ! NL 1.12 OV 0.99 PT 0.87 SC 1.03 ! ! ! Fit before self-cal, rms=0.625550Jy sigma=12.477715 ! Fit after self-cal, rms=0.417658Jy sigma=3.819103 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.318 mas, bmaj=3.69 mas, bpa=-1.986 degrees ! Estimated noise=1.01992 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 (-3.3, -4.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0673907 Jy ! Component: 100 - total flux cleaned = 0.0932645 Jy ! Component: 150 - total flux cleaned = 0.100371 Jy ! Component: 200 - total flux cleaned = 0.102564 Jy ! Total flux subtracted in 200 components = 0.102564 Jy ! Clean residual min=-0.022473 max=0.016390 Jy/beam ! Clean residual mean=-0.000011 rms=0.004305 Jy/beam ! Combined flux in latest and established models = 2.2419 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 40 components and 2.2419 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=0.405464Jy sigma=2.380247 ! Fit after self-cal, rms=0.407413Jy sigma=2.363913 ! 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=0.407413Jy sigma=2.363913 ! Fit after self-cal, rms=0.409050Jy sigma=2.280801 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.309 mas, bmaj=3.679 mas, bpa=-2.183 degrees ! Estimated noise=1.00851 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0138563 Jy ! Component: 100 - total flux cleaned = 0.0142957 Jy ! Component: 150 - total flux cleaned = 0.0143034 Jy ! Component: 200 - total flux cleaned = 0.0146162 Jy ! Total flux subtracted in 200 components = 0.0146162 Jy ! Clean residual min=-0.017287 max=0.012425 Jy/beam ! Clean residual mean=-0.000015 rms=0.003148 Jy/beam ! Combined flux in latest and established models = 2.25652 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 57 components and 2.25652 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=0.408075Jy sigma=2.100145 ! Fit after self-cal, rms=0.408049Jy sigma=2.096422 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 = -0.000627006 Jy ! Component: 100 - total flux cleaned = -0.000889796 Jy ! Component: 150 - total flux cleaned = -0.000888874 Jy ! Component: 200 - total flux cleaned = -0.00109058 Jy ! Total flux subtracted in 200 components = -0.00109058 Jy ! Clean residual min=-0.014902 max=0.011249 Jy/beam ! Clean residual mean=-0.000015 rms=0.002866 Jy/beam ! Combined flux in latest and established models = 2.25542 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 63 components and 2.25542 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=0.407845Jy sigma=2.036175 ! Fit after self-cal, rms=0.407739Jy sigma=2.033646 ! 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=0.407739Jy sigma=2.033646 ! Fit after self-cal, rms=0.407981Jy sigma=2.028604 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.308 mas, bmaj=3.677 mas, bpa=-2.21 degrees ! Estimated noise=1.00799 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -9.61544e-05 Jy ! Component: 100 - total flux cleaned = 0.000299296 Jy ! Component: 150 - total flux cleaned = 0.000117285 Jy ! Component: 200 - total flux cleaned = -4.9352e-05 Jy ! Total flux subtracted in 200 components = -4.9352e-05 Jy ! Clean residual min=-0.013405 max=0.010229 Jy/beam ! Clean residual mean=-0.000013 rms=0.002557 Jy/beam ! Combined flux in latest and established models = 2.25538 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 67 components and 2.25538 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=0.407814Jy sigma=1.994576 ! Fit after self-cal, rms=0.407742Jy sigma=1.992143 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 = -0.00147372 Jy ! Component: 100 - total flux cleaned = -0.00164431 Jy ! Component: 150 - total flux cleaned = -0.00179334 Jy ! Component: 200 - total flux cleaned = -0.00206667 Jy ! Total flux subtracted in 200 components = -0.00206667 Jy ! Clean residual min=-0.012063 max=0.009510 Jy/beam ! Clean residual mean=-0.000012 rms=0.002413 Jy/beam ! Combined flux in latest and established models = 2.25331 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 71 components and 2.25331 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=0.407666Jy sigma=1.970199 ! Fit after self-cal, rms=0.407589Jy sigma=1.968800 ! 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=0.407589Jy sigma=1.968800 ! Fit after self-cal, rms=0.407378Jy sigma=1.965980 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.494 mas, bmaj=8.197 mas, bpa=-2.433 degrees ! Estimated noise=1.6647 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00117302 Jy ! Component: 100 - total flux cleaned = -0.00186796 Jy ! Component: 150 - total flux cleaned = -0.00217037 Jy ! Component: 200 - total flux cleaned = -0.00244459 Jy ! Total flux subtracted in 200 components = -0.00244459 Jy ! Clean residual min=-0.013150 max=0.011536 Jy/beam ! Clean residual mean=-0.000025 rms=0.003729 Jy/beam ! Combined flux in latest and established models = 2.25086 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 79 components and 2.25086 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=0.407358Jy sigma=1.962293 ! Fit after self-cal, rms=0.407343Jy sigma=1.961136 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 = -0.000126233 Jy ! Component: 100 - total flux cleaned = -0.000682776 Jy ! Component: 150 - total flux cleaned = -0.000972719 Jy ! Component: 200 - total flux cleaned = -0.00124635 Jy ! Total flux subtracted in 200 components = -0.00124635 Jy ! Clean residual min=-0.012970 max=0.011061 Jy/beam ! Clean residual mean=-0.000024 rms=0.003667 Jy/beam ! Combined flux in latest and established models = 2.24962 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 89 components and 2.24962 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=0.407322Jy sigma=1.959774 ! Fit after self-cal, rms=0.407313Jy sigma=1.959260 ! 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=1.308 mas, bmaj=3.677 mas, bpa=-2.206 degrees ! Estimated noise=1.00813 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.308 x 3.677 at -2.206 degrees (North through East) ! Clean map min=-0.020111 max=1.4145 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 ! Performing amp+phase self-cal ! ! 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=0.407313Jy sigma=1.959260 ! Fit after self-cal, rms=0.388616Jy sigma=1.884787 ! Inverting map and beam ! Estimated beam: bmin=1.309 mas, bmaj=3.678 mas, bpa=-2.199 degrees ! Estimated noise=1.00933 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00264554 Jy ! Component: 100 - total flux cleaned = 0.00326221 Jy ! Component: 150 - total flux cleaned = 0.00361092 Jy ! Component: 200 - total flux cleaned = 0.00403064 Jy ! Total flux subtracted in 200 components = 0.00403064 Jy ! Clean residual min=-0.010177 max=0.008084 Jy/beam ! Clean residual mean=-0.000010 rms=0.002083 Jy/beam ! Combined flux in latest and established models = 2.25365 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 103 components and 2.25365 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=0.388498Jy sigma=1.863962 ! Fit after self-cal, rms=0.388446Jy sigma=1.862893 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000558328 Jy ! Component: 100 - total flux cleaned = -0.000756283 Jy ! Component: 150 - total flux cleaned = -0.000573272 Jy ! Component: 200 - total flux cleaned = -0.000485644 Jy ! Total flux subtracted in 200 components = -0.000485644 Jy ! Clean residual min=-0.009350 max=0.007661 Jy/beam ! Clean residual mean=-0.000009 rms=0.002026 Jy/beam ! Combined flux in latest and established models = 2.25316 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 109 components and 2.25316 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=0.388409Jy sigma=1.854162 ! Fit after self-cal, rms=0.388371Jy sigma=1.853532 ! Inverting map ! Performing amp+phase self-cal ! ! 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=0.388371Jy sigma=1.853532 ! Fit after self-cal, rms=0.388074Jy sigma=1.851894 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=1.104 mas, bmaj=3.287 mas, bpa=-2.217 degrees ! Estimated noise=1.0949 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.13711 Jy ! Component: 100 - total flux cleaned = 1.62906 Jy ! Component: 150 - total flux cleaned = 1.85394 Jy ! Component: 200 - total flux cleaned = 1.9704 Jy ! Total flux subtracted in 200 components = 1.9704 Jy ! Clean residual min=-0.058768 max=0.060950 Jy/beam ! Clean residual mean=0.000013 rms=0.012567 Jy/beam ! Combined flux in latest and established models = 1.9704 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 18 model components to the UV plane model. ! The established model now contains 18 components and 1.9704 Jy ! Inverting map and beam ! Estimated beam: bmin=1.308 mas, bmaj=3.677 mas, bpa=-2.204 degrees ! Estimated noise=1.00883 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) ! Added new window around map position (-1.2, -1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.107265 Jy ! Component: 100 - total flux cleaned = 0.177184 Jy ! Component: 150 - total flux cleaned = 0.224766 Jy ! Component: 200 - total flux cleaned = 0.257384 Jy ! Total flux subtracted in 200 components = 0.257384 Jy ! Clean residual min=-0.023488 max=0.021481 Jy/beam ! Clean residual mean=-0.000001 rms=0.004815 Jy/beam ! Combined flux in latest and established models = 2.22778 Jy ! Adding 21 model components to the UV plane model. ! The established model now contains 33 components and 2.22778 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=3.492 mas, bmaj=8.196 mas, bpa=-2.442 degrees ! Estimated noise=1.66589 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0262528 Jy ! Component: 100 - total flux cleaned = 0.0291241 Jy ! Component: 150 - total flux cleaned = 0.0307713 Jy ! Component: 200 - total flux cleaned = 0.0322593 Jy ! Total flux subtracted in 200 components = 0.0322593 Jy ! Clean residual min=-0.014015 max=0.011578 Jy/beam ! Clean residual mean=-0.000025 rms=0.003739 Jy/beam ! Combined flux in latest and established models = 2.26004 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000655865 Jy ! Component: 100 - total flux cleaned = 0.00117915 Jy ! Component: 150 - total flux cleaned = 0.00103914 Jy ! Component: 200 - total flux cleaned = 0.00079523 Jy ! Total flux subtracted in 200 components = 0.00079523 Jy ! Clean residual min=-0.012497 max=0.010654 Jy/beam ! Clean residual mean=-0.000025 rms=0.003562 Jy/beam ! Combined flux in latest and established models = 2.26084 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 56 components and 2.26084 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.308 mas, bmaj=3.677 mas, bpa=-2.204 degrees ! Estimated noise=1.00883 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000294318 Jy ! Component: 100 - total flux cleaned = 0.00213287 Jy ! Component: 150 - total flux cleaned = 0.00404965 Jy ! Component: 200 - total flux cleaned = 0.00530346 Jy ! Total flux subtracted in 200 components = 0.00530346 Jy ! Clean residual min=-0.013676 max=0.011107 Jy/beam ! Clean residual mean=-0.000012 rms=0.002607 Jy/beam ! Combined flux in latest and established models = 2.26614 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 70 components and 2.26614 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=0.388353Jy sigma=1.967409 ! Fit after self-cal, rms=0.388380Jy sigma=1.963819 wmodel J2158-1501_C_map.mod ! Writing 70 model components to file: J2158-1501_C_map.mod wobs J2158-1501_C_uvs.fits ! Writing UV FITS file: J2158-1501_C_uvs.fits wwins J2158-1501_C_map.win ! wwins: Wrote 3 windows to J2158-1501_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 = -0.00373077 Jy ! Component: 100 - total flux cleaned = -0.00356423 Jy ! Component: 150 - total flux cleaned = -0.00355832 Jy ! Component: 200 - total flux cleaned = -0.0032587 Jy ! Component: 250 - total flux cleaned = -0.00326178 Jy ! Component: 300 - total flux cleaned = -0.00299106 Jy ! Component: 350 - total flux cleaned = -0.00235163 Jy ! Component: 400 - total flux cleaned = -0.0018707 Jy ! Component: 450 - total flux cleaned = -0.00140991 Jy ! Component: 500 - total flux cleaned = -0.00097273 Jy ! Component: 550 - total flux cleaned = -0.00107982 Jy ! Component: 600 - total flux cleaned = -0.000975183 Jy ! Component: 650 - total flux cleaned = -0.000876286 Jy ! Component: 700 - total flux cleaned = -0.000592814 Jy ! Component: 750 - total flux cleaned = -0.000873467 Jy ! Component: 800 - total flux cleaned = -0.000872529 Jy ! Component: 850 - total flux cleaned = -0.00104653 Jy ! Component: 900 - total flux cleaned = -0.00104585 Jy ! Component: 950 - total flux cleaned = -0.00104736 Jy ! Component: 1000 - total flux cleaned = -0.000803628 Jy ! Component: 1050 - total flux cleaned = -0.000724737 Jy ! Component: 1100 - total flux cleaned = -0.00048931 Jy ! Component: 1150 - total flux cleaned = -0.000260455 Jy ! Component: 1200 - total flux cleaned = -3.58857e-05 Jy ! Component: 1250 - total flux cleaned = 0.000258895 Jy ! Component: 1300 - total flux cleaned = 0.000331472 Jy ! Component: 1350 - total flux cleaned = 0.000473676 Jy ! Component: 1400 - total flux cleaned = 0.000544132 Jy ! Component: 1450 - total flux cleaned = 0.000613476 Jy ! Component: 1500 - total flux cleaned = 0.000681502 Jy ! Component: 1550 - total flux cleaned = 0.000681806 Jy ! Component: 1600 - total flux cleaned = 0.00068188 Jy ! Component: 1650 - total flux cleaned = 0.000552547 Jy ! Component: 1700 - total flux cleaned = 0.000681304 Jy ! Component: 1750 - total flux cleaned = 0.000489629 Jy ! Component: 1800 - total flux cleaned = 0.000426457 Jy ! Component: 1850 - total flux cleaned = 0.000302078 Jy ! Component: 1900 - total flux cleaned = 0.000179445 Jy ! Component: 1950 - total flux cleaned = 0.000362295 Jy ! Component: 2000 - total flux cleaned = 0.000241906 Jy ! Component: 2050 - total flux cleaned = 0.000182349 Jy ! Component: 2100 - total flux cleaned = 0.000301239 Jy ! Component: 2150 - total flux cleaned = 0.000183854 Jy ! Component: 2200 - total flux cleaned = 0.000300443 Jy ! Component: 2250 - total flux cleaned = 0.000300445 Jy ! Component: 2300 - total flux cleaned = 0.000414552 Jy ! Component: 2350 - total flux cleaned = 0.000357271 Jy ! Component: 2400 - total flux cleaned = 0.000357081 Jy ! Component: 2450 - total flux cleaned = 0.000357144 Jy ! Component: 2500 - total flux cleaned = 0.000413028 Jy ! Component: 2550 - total flux cleaned = 0.000358038 Jy ! Component: 2600 - total flux cleaned = 0.000357816 Jy ! Component: 2650 - total flux cleaned = 0.000248975 Jy ! Component: 2700 - total flux cleaned = 0.000411452 Jy ! Component: 2750 - total flux cleaned = 0.000250593 Jy ! Component: 2800 - total flux cleaned = 0.000410015 Jy ! Component: 2850 - total flux cleaned = 0.000356749 Jy ! Component: 2900 - total flux cleaned = 0.000304134 Jy ! Component: 2950 - total flux cleaned = 0.000304203 Jy ! Component: 3000 - total flux cleaned = 0.000200019 Jy ! Component: 3050 - total flux cleaned = 0.000199997 Jy ! Component: 3100 - total flux cleaned = 0.000148532 Jy ! Component: 3150 - total flux cleaned = 9.769e-05 Jy ! Component: 3200 - total flux cleaned = 0.000148676 Jy ! Component: 3250 - total flux cleaned = 9.80765e-05 Jy ! Component: 3300 - total flux cleaned = 4.78987e-05 Jy ! Component: 3350 - total flux cleaned = 0.000198489 Jy ! Component: 3400 - total flux cleaned = 0.000198432 Jy ! Component: 3450 - total flux cleaned = 0.000198336 Jy ! Component: 3500 - total flux cleaned = 9.89172e-05 Jy ! Component: 3550 - total flux cleaned = 9.90333e-05 Jy ! Component: 3600 - total flux cleaned = 0.000148294 Jy ! Component: 3650 - total flux cleaned = 0.000148479 Jy ! Component: 3700 - total flux cleaned = 9.92223e-05 Jy ! Component: 3750 - total flux cleaned = 5.03056e-05 Jy ! Component: 3800 - total flux cleaned = 5.04878e-05 Jy ! Component: 3850 - total flux cleaned = 1.44728e-06 Jy ! Component: 3900 - total flux cleaned = -0.000144342 Jy ! Component: 3950 - total flux cleaned = -4.71231e-05 Jy ! Component: 4000 - total flux cleaned = -0.000144314 Jy ! Component: 4050 - total flux cleaned = -0.000192904 Jy ! Total flux subtracted in 4096 components = -0.000241327 Jy ! Clean residual min=-0.002596 max=0.003226 Jy/beam ! Clean residual mean=-0.000009 rms=0.000864 Jy/beam ! Combined flux in latest and established models = 2.2659 Jy keep ! Adding 284 model components to the UV plane model. ! The established model now contains 354 components and 2.2659 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J2158-1501_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.308 x 3.677 at -2.204 degrees (North through East) ! Clean map min=-0.010124 max=1.398 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J2158-1501_C_map.fits wmodel /vlbi/sb072/temp_maps//J2158-1501_C_map.mod ! Writing 354 model components to file: /vlbi/sb072/temp_maps//J2158-1501_C_map.mod wobs /vlbi/sb072/temp_maps//J2158-1501_C_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J2158-1501_C_uvs.fits wwins /vlbi/sb072/temp_maps//J2158-1501_C_map.win ! wwins: Wrote 4 windows to /vlbi/sb072/temp_maps//J2158-1501_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 1.39797 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000852037 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.182844 0.182844 0.365688 0.731375 1.46275 2.9255 5.851 11.702 23.404 46.808 93.6161 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0025 print "peak= ", int(1000*peak_flux)/1000 ! peak= 1.397 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1640.74 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J2158-1501_C_dfm.log closed on Fri Jan 25 19:55:22 2019