! Started logfile: /vlbi/uf001/uva//J1720-0832_X_dfm.log on Mon Jan 14 04:07:52 2019 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 8.42800 obs /vlbi/uf001/uva//J1720-0832_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1720-0832_X_uva.fits ! AN table 1: 72 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.921605 visibilities/baseline/integration-bin. ! Found source: J1720-0832 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 134 lines of history. ! ! Reading 35832 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 12 channels. ! Selecting polarization: RR, channels: 1..12 ! 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 ! Reading IF 9 channels: 9..9 ! Reading IF 10 channels: 10..10 ! Reading IF 11 channels: 11..11 ! Reading IF 12 channels: 12..12 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 J1720-0832_X] float lim_self lim_self = 120.0 float lim_val lim_va = 1.2 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff print "===============================================================" ! =============================================================== ! print "=== Difmap script: pima_mupet_01.dvm version of 2016.05.19 === " ! === Difmap script: pima_mupet_01.dvm version of 2016.05.19 === ! mapsize field_size, field_cell ! Map grid = 1024x1024 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.006093Jy sigma=23.171521 ! Fit after self-cal, rms=0.911755Jy sigma=20.965846 ! 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=0.7022 mas, bmaj=1.803 mas, bpa=-4.74 degrees ! Estimated noise=0.322641 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 = 0.0655126 Jy ! Component: 100 - total flux cleaned = 0.0824238 Jy ! Total flux subtracted in 100 components = 0.0824238 Jy ! Clean residual min=-0.004986 max=0.017161 Jy/beam ! Clean residual mean=-0.000002 rms=0.001168 Jy/beam ! Combined flux in latest and established models = 0.0824238 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.0824238 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.063166Jy sigma=1.359468 ! Fit after self-cal, rms=0.062925Jy sigma=1.355717 ! Inverting map ! Added new window around map position (-1, 0.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0149047 Jy ! Component: 100 - total flux cleaned = 0.02249 Jy ! Total flux subtracted in 100 components = 0.02249 Jy ! Clean residual min=-0.003463 max=0.005852 Jy/beam ! Clean residual mean=-0.000000 rms=0.000758 Jy/beam ! Combined flux in latest and established models = 0.104914 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 13 components and 0.104914 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.059045Jy sigma=1.250592 ! Fit after self-cal, rms=0.058702Jy sigma=1.242839 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00583027 Jy ! Component: 100 - total flux cleaned = 0.00777488 Jy ! Total flux subtracted in 100 components = 0.00777488 Jy ! Clean residual min=-0.002951 max=0.004267 Jy/beam ! Clean residual mean=-0.000000 rms=0.000624 Jy/beam ! Combined flux in latest and established models = 0.112689 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 16 components and 0.112689 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.058117Jy sigma=1.225194 ! Fit after self-cal, rms=0.058055Jy sigma=1.223722 ! Inverting map ! Added new window around map position (-1.8, -3.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00390289 Jy ! Component: 100 - total flux cleaned = 0.00587858 Jy ! Total flux subtracted in 100 components = 0.00587858 Jy ! Clean residual min=-0.002804 max=0.003621 Jy/beam ! Clean residual mean=-0.000000 rms=0.000561 Jy/beam ! Combined flux in latest and established models = 0.118567 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 23 components and 0.118567 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.057780Jy sigma=1.215826 ! Fit after self-cal, rms=0.057756Jy sigma=1.215257 ! 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=0.8977 mas, bmaj=2.183 mas, bpa=-4.739 degrees ! Estimated noise=0.164718 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 (1.8, 1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00384997 Jy ! Component: 100 - total flux cleaned = 0.0063511 Jy ! Component: 150 - total flux cleaned = 0.0076351 Jy ! Component: 200 - total flux cleaned = 0.00858325 Jy ! Total flux subtracted in 200 components = 0.00858325 Jy ! Clean residual min=-0.002232 max=0.002040 Jy/beam ! Clean residual mean=0.000001 rms=0.000441 Jy/beam ! Combined flux in latest and established models = 0.127151 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 44 components and 0.127151 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.057446Jy sigma=1.207139 ! Fit after self-cal, rms=0.057434Jy sigma=1.206796 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8977 x 2.183 at -4.739 degrees (North through East) ! Clean map min=-0.0021278 max=0.085062 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.03 HN 1.00 KP 1.01 ! LA 0.98 MK 1.02 NL 1.05 OV 0.92 ! PT 0.95 SC 0.93 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.99 HN 0.99 KP 1.00 ! LA 0.99 MK 0.97 NL 1.08 OV 0.94 ! PT 0.94 SC 0.97 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.01 HN 0.98 KP 1.02 ! LA 1.00 MK 0.96 NL 1.06 OV 0.92 ! PT 0.95 SC 0.96 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.02 HN 1.00 KP 1.03 ! LA 1.00 MK 0.99 NL 1.05 OV 0.89 ! PT 0.92 SC 0.96 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.01 HN 1.05 KP 1.03 ! LA 0.98 MK 0.99 NL 1.06 OV 0.91 ! PT 0.96 SC 1.00 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.04 HN 0.95 KP 1.02 ! LA 1.02 MK 0.97 NL 1.08 OV 0.93 ! PT 0.93 SC 0.94 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.01 HN 0.99 KP 1.06 ! LA 0.97 MK 1.02 NL 1.08 OV 0.93 ! PT 0.96 SC 0.99 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.02 HN 1.04 KP 1.04 ! LA 0.99 MK 1.00 NL 1.09 OV 0.89 ! PT 0.97 SC 0.97 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.01 HN 1.06 KP 1.04 ! LA 1.02 MK 0.99 NL 1.04 OV 0.93 ! PT 0.97 SC 0.98 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.00 HN 1.00 KP 1.07 ! LA 1.01 MK 0.98 NL 1.04 OV 0.94 ! PT 0.98 SC 1.03 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.04 HN 1.01 KP 1.05 ! LA 1.01 MK 1.03 NL 1.05 OV 0.92 ! PT 0.95 SC 0.97 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.00 HN 1.01 KP 1.07 ! LA 0.99 MK 0.98 NL 1.09 OV 0.92 ! PT 0.98 SC 1.00 ! ! ! Fit before self-cal, rms=0.057434Jy sigma=1.206796 ! Fit after self-cal, rms=0.057245Jy sigma=1.197595 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8944 mas, bmaj=2.182 mas, bpa=-4.513 degrees ! Estimated noise=0.164036 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 = -0.0011167 Jy ! Component: 100 - total flux cleaned = -0.00141668 Jy ! Component: 150 - total flux cleaned = -0.0015369 Jy ! Component: 200 - total flux cleaned = -0.00158901 Jy ! Total flux subtracted in 200 components = -0.00158901 Jy ! Clean residual min=-0.001457 max=0.001511 Jy/beam ! Clean residual mean=0.000002 rms=0.000313 Jy/beam ! Combined flux in latest and established models = 0.125562 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 55 components and 0.125562 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.057195Jy sigma=1.196491 ! Fit after self-cal, rms=0.057225Jy sigma=1.196259 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.057225Jy sigma=1.196259 ! Fit after self-cal, rms=0.057461Jy sigma=1.194677 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8936 mas, bmaj=2.184 mas, bpa=-4.521 degrees ! Estimated noise=0.163725 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000650457 Jy ! Component: 100 - total flux cleaned = -0.000894514 Jy ! Component: 150 - total flux cleaned = -0.000982098 Jy ! Component: 200 - total flux cleaned = -0.00102149 Jy ! Total flux subtracted in 200 components = -0.00102149 Jy ! Clean residual min=-0.001389 max=0.001278 Jy/beam ! Clean residual mean=0.000001 rms=0.000292 Jy/beam ! Combined flux in latest and established models = 0.12454 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 69 components and 0.12454 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.057437Jy sigma=1.194117 ! Fit after self-cal, rms=0.057445Jy sigma=1.194048 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 = -6.4909e-05 Jy ! Component: 100 - total flux cleaned = -6.51876e-05 Jy ! Component: 150 - total flux cleaned = -8.14055e-05 Jy ! Component: 200 - total flux cleaned = -9.58911e-05 Jy ! Total flux subtracted in 200 components = -9.58911e-05 Jy ! Clean residual min=-0.001346 max=0.001214 Jy/beam ! Clean residual mean=0.000001 rms=0.000289 Jy/beam ! Combined flux in latest and established models = 0.124444 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 78 components and 0.124444 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.057434Jy sigma=1.193848 ! Fit after self-cal, rms=0.057432Jy sigma=1.193832 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.057432Jy sigma=1.193832 ! Fit after self-cal, rms=0.060322Jy sigma=1.190534 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8928 mas, bmaj=2.181 mas, bpa=-4.497 degrees ! Estimated noise=0.163813 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000732781 Jy ! Component: 100 - total flux cleaned = -0.0009409 Jy ! Component: 150 - total flux cleaned = -0.00106483 Jy ! Component: 200 - total flux cleaned = -0.00113176 Jy ! Total flux subtracted in 200 components = -0.00113176 Jy ! Clean residual min=-0.000939 max=0.000867 Jy/beam ! Clean residual mean=0.000001 rms=0.000214 Jy/beam ! Combined flux in latest and established models = 0.123312 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 99 components and 0.123312 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.060300Jy sigma=1.190039 ! Fit after self-cal, rms=0.060339Jy sigma=1.189976 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 = -4.70341e-05 Jy ! Component: 100 - total flux cleaned = -0.000100413 Jy ! Component: 150 - total flux cleaned = -0.00011231 Jy ! Component: 200 - total flux cleaned = -0.000134819 Jy ! Total flux subtracted in 200 components = -0.000134819 Jy ! Clean residual min=-0.000937 max=0.000867 Jy/beam ! Clean residual mean=0.000001 rms=0.000213 Jy/beam ! Combined flux in latest and established models = 0.123178 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 108 components and 0.123178 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.060334Jy sigma=1.189855 ! Fit after self-cal, rms=0.060333Jy sigma=1.189849 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.060333Jy sigma=1.189849 ! Fit after self-cal, rms=0.060652Jy sigma=1.189686 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.211 mas, bmaj=3.846 mas, bpa=2.309 degrees ! Estimated noise=0.208598 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000606899 Jy ! Component: 100 - total flux cleaned = -0.000700447 Jy ! Component: 150 - total flux cleaned = -0.000711173 Jy ! Component: 200 - total flux cleaned = -0.000702389 Jy ! Total flux subtracted in 200 components = -0.000702389 Jy ! Clean residual min=-0.001118 max=0.000869 Jy/beam ! Clean residual mean=0.000002 rms=0.000259 Jy/beam ! Combined flux in latest and established models = 0.122475 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 125 components and 0.122475 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.060645Jy sigma=1.189547 ! Fit after self-cal, rms=0.060650Jy sigma=1.189530 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.49297e-05 Jy ! Component: 100 - total flux cleaned = 5.6076e-05 Jy ! Component: 150 - total flux cleaned = 8.52582e-05 Jy ! Component: 200 - total flux cleaned = 0.000112032 Jy ! Total flux subtracted in 200 components = 0.000112032 Jy ! Clean residual min=-0.001107 max=0.000862 Jy/beam ! Clean residual mean=0.000002 rms=0.000258 Jy/beam ! Combined flux in latest and established models = 0.122587 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 132 components and 0.122587 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.060648Jy sigma=1.189502 ! Fit after self-cal, rms=0.060649Jy sigma=1.189498 ! 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=0.8915 mas, bmaj=2.181 mas, bpa=-4.49 degrees ! Estimated noise=0.163898 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8915 x 2.181 at -4.49 degrees (North through East) ! Clean map min=-0.00083162 max=0.084921 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=0.6973 mas, bmaj=1.8 mas, bpa=-4.37 degrees ! Estimated noise=0.320482 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0651967 Jy ! Component: 100 - total flux cleaned = 0.0880751 Jy ! Component: 150 - total flux cleaned = 0.0998943 Jy ! Component: 200 - total flux cleaned = 0.106367 Jy ! Total flux subtracted in 200 components = 0.106367 Jy ! Clean residual min=-0.002295 max=0.003158 Jy/beam ! Clean residual mean=-0.000000 rms=0.000474 Jy/beam ! Combined flux in latest and established models = 0.106367 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 11 model components to the UV plane model. ! The established model now contains 11 components and 0.106367 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8915 mas, bmaj=2.181 mas, bpa=-4.49 degrees ! Estimated noise=0.163898 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 = 0.00538856 Jy ! Component: 100 - total flux cleaned = 0.00840356 Jy ! Component: 150 - total flux cleaned = 0.0104668 Jy ! Component: 200 - total flux cleaned = 0.0119659 Jy ! Total flux subtracted in 200 components = 0.0119659 Jy ! Clean residual min=-0.000991 max=0.001092 Jy/beam ! Clean residual mean=0.000001 rms=0.000238 Jy/beam ! Combined flux in latest and established models = 0.118332 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 31 components and 0.118332 Jy ! Inverting map ! Added new window around map position (-34, -43). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00119677 Jy ! Component: 100 - total flux cleaned = 0.00211247 Jy ! Component: 150 - total flux cleaned = 0.00271281 Jy ! Component: 200 - total flux cleaned = 0.00312381 Jy ! Total flux subtracted in 200 components = 0.00312381 Jy ! Clean residual min=-0.000918 max=0.000864 Jy/beam ! Clean residual mean=0.000001 rms=0.000211 Jy/beam ! Combined flux in latest and established models = 0.121456 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 52 components and 0.121456 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=2.211 mas, bmaj=3.846 mas, bpa=2.309 degrees ! Estimated noise=0.208598 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000643703 Jy ! Component: 100 - total flux cleaned = 0.001035 Jy ! Component: 150 - total flux cleaned = 0.001216 Jy ! Component: 200 - total flux cleaned = 0.00135407 Jy ! Total flux subtracted in 200 components = 0.00135407 Jy ! Clean residual min=-0.001096 max=0.000846 Jy/beam ! Clean residual mean=0.000002 rms=0.000256 Jy/beam ! Combined flux in latest and established models = 0.12281 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 = 9.05122e-05 Jy ! Component: 100 - total flux cleaned = 0.000139305 Jy ! Component: 150 - total flux cleaned = 0.000184521 Jy ! Component: 200 - total flux cleaned = 0.00021311 Jy ! Total flux subtracted in 200 components = 0.00021311 Jy ! Clean residual min=-0.001089 max=0.000851 Jy/beam ! Clean residual mean=0.000002 rms=0.000254 Jy/beam ! Combined flux in latest and established models = 0.123023 Jy ! Adding 33 model components to the UV plane model. ! The established model now contains 80 components and 0.123023 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8915 mas, bmaj=2.181 mas, bpa=-4.49 degrees ! Estimated noise=0.163898 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000290633 Jy ! Component: 100 - total flux cleaned = -0.000346196 Jy ! Component: 150 - total flux cleaned = -0.000329348 Jy ! Component: 200 - total flux cleaned = -0.000314123 Jy ! Total flux subtracted in 200 components = -0.000314123 Jy ! Clean residual min=-0.000896 max=0.000842 Jy/beam ! Clean residual mean=0.000001 rms=0.000202 Jy/beam ! Combined flux in latest and established models = 0.122709 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 92 components and 0.122709 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.060652Jy sigma=1.189455 ! Fit after self-cal, rms=0.060646Jy sigma=1.189312 wmodel J1720-0832_X_map.mod ! Writing 92 model components to file: J1720-0832_X_map.mod wobs J1720-0832_X_uvs.fits ! Writing UV FITS file: J1720-0832_X_uvs.fits wwins J1720-0832_X_map.win ! wwins: Wrote 5 windows to J1720-0832_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 = -0.000260393 Jy ! Component: 100 - total flux cleaned = -0.000453613 Jy ! Component: 150 - total flux cleaned = -0.000565394 Jy ! Component: 200 - total flux cleaned = -0.000565941 Jy ! Component: 250 - total flux cleaned = -0.000540158 Jy ! Component: 300 - total flux cleaned = -0.000540378 Jy ! Component: 350 - total flux cleaned = -0.000503413 Jy ! Component: 400 - total flux cleaned = -0.000479346 Jy ! Component: 450 - total flux cleaned = -0.000443901 Jy ! Component: 500 - total flux cleaned = -0.000443897 Jy ! Component: 550 - total flux cleaned = -0.000386752 Jy ! Component: 600 - total flux cleaned = -0.000353172 Jy ! Component: 650 - total flux cleaned = -0.000331113 Jy ! Component: 700 - total flux cleaned = -0.000331056 Jy ! Component: 750 - total flux cleaned = -0.000298774 Jy ! Component: 800 - total flux cleaned = -0.000298718 Jy ! Component: 850 - total flux cleaned = -0.000288182 Jy ! Component: 900 - total flux cleaned = -0.000298263 Jy ! Component: 950 - total flux cleaned = -0.000288109 Jy ! Component: 1000 - total flux cleaned = -0.000288015 Jy ! Component: 1050 - total flux cleaned = -0.000277937 Jy ! Component: 1100 - total flux cleaned = -0.000248281 Jy ! Component: 1150 - total flux cleaned = -0.000219063 Jy ! Component: 1200 - total flux cleaned = -0.000180492 Jy ! Component: 1250 - total flux cleaned = -0.000142557 Jy ! Component: 1300 - total flux cleaned = -9.55511e-05 Jy ! Component: 1350 - total flux cleaned = -4.90885e-05 Jy ! Component: 1400 - total flux cleaned = -3.06763e-05 Jy ! Component: 1450 - total flux cleaned = 1.50209e-05 Jy ! Component: 1500 - total flux cleaned = 2.40167e-05 Jy ! Component: 1550 - total flux cleaned = 5.07228e-05 Jy ! Component: 1600 - total flux cleaned = 7.7275e-05 Jy ! Component: 1650 - total flux cleaned = 7.7144e-05 Jy ! Component: 1700 - total flux cleaned = 5.97123e-05 Jy ! Component: 1750 - total flux cleaned = 6.8465e-05 Jy ! Component: 1800 - total flux cleaned = 9.4153e-05 Jy ! Component: 1850 - total flux cleaned = 0.000136427 Jy ! Component: 1900 - total flux cleaned = 0.000119541 Jy ! Component: 1950 - total flux cleaned = 8.63252e-05 Jy ! Component: 2000 - total flux cleaned = 0.000103026 Jy ! Component: 2050 - total flux cleaned = 0.000119429 Jy ! Component: 2100 - total flux cleaned = 0.000111349 Jy ! Component: 2150 - total flux cleaned = 9.52887e-05 Jy ! Component: 2200 - total flux cleaned = 0.000119356 Jy ! Component: 2250 - total flux cleaned = 8.74373e-05 Jy ! Component: 2300 - total flux cleaned = 8.74199e-05 Jy ! Component: 2350 - total flux cleaned = 6.3881e-05 Jy ! Component: 2400 - total flux cleaned = 8.71916e-05 Jy ! Component: 2450 - total flux cleaned = 7.16612e-05 Jy ! Component: 2500 - total flux cleaned = 2.56283e-05 Jy ! Component: 2550 - total flux cleaned = 1.04335e-05 Jy ! Component: 2600 - total flux cleaned = 2.8151e-06 Jy ! Component: 2650 - total flux cleaned = -1.97353e-05 Jy ! Component: 2700 - total flux cleaned = 1.76248e-05 Jy ! Component: 2750 - total flux cleaned = -4.72654e-06 Jy ! Component: 2800 - total flux cleaned = -5.64732e-05 Jy ! Component: 2850 - total flux cleaned = -7.11236e-05 Jy ! Component: 2900 - total flux cleaned = -0.000100281 Jy ! Component: 2950 - total flux cleaned = -0.000129311 Jy ! Component: 3000 - total flux cleaned = -0.000158122 Jy ! Component: 3050 - total flux cleaned = -0.000186781 Jy ! Component: 3100 - total flux cleaned = -0.000186832 Jy ! Component: 3150 - total flux cleaned = -0.000229331 Jy ! Component: 3200 - total flux cleaned = -0.000278565 Jy ! Component: 3250 - total flux cleaned = -0.000278551 Jy ! Component: 3300 - total flux cleaned = -0.000299462 Jy ! Component: 3350 - total flux cleaned = -0.00032715 Jy ! Component: 3400 - total flux cleaned = -0.000327205 Jy ! Component: 3450 - total flux cleaned = -0.000320394 Jy ! Component: 3500 - total flux cleaned = -0.000374814 Jy ! Component: 3550 - total flux cleaned = -0.000374795 Jy ! Component: 3600 - total flux cleaned = -0.000361456 Jy ! Component: 3650 - total flux cleaned = -0.000408297 Jy ! Component: 3700 - total flux cleaned = -0.000355104 Jy ! Component: 3750 - total flux cleaned = -0.000381516 Jy ! Component: 3800 - total flux cleaned = -0.000394663 Jy ! Component: 3850 - total flux cleaned = -0.000381614 Jy ! Component: 3900 - total flux cleaned = -0.000414225 Jy ! Component: 3950 - total flux cleaned = -0.000381828 Jy ! Component: 4000 - total flux cleaned = -0.000368984 Jy ! Component: 4050 - total flux cleaned = -0.00040744 Jy ! Total flux subtracted in 4096 components = -0.000413817 Jy ! Clean residual min=-0.000344 max=0.000381 Jy/beam ! Clean residual mean=0.000001 rms=0.000114 Jy/beam ! Combined flux in latest and established models = 0.122296 Jy keep ! Adding 320 model components to the UV plane model. ! The established model now contains 412 components and 0.122295 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1720-0832_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8915 x 2.181 at -4.49 degrees (North through East) ! Clean map min=-0.00069786 max=0.085507 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1720-0832_X_map.fits wmodel /vlbi/uf001/uva//J1720-0832_X_map.mod ! Writing 412 model components to file: /vlbi/uf001/uva//J1720-0832_X_map.mod wobs /vlbi/uf001/uva//J1720-0832_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1720-0832_X_uvs.fits wwins /vlbi/uf001/uva//J1720-0832_X_map.win ! wwins: Wrote 6 windows to /vlbi/uf001/uva//J1720-0832_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0855074 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000113786 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.399214 0.399214 0.798429 1.59686 3.19371 6.38743 12.7749 25.5497 51.0994 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.085 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 751.476 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1720-0832_X_dfm.log closed on Mon Jan 14 04:07:58 2019