! Started logfile: /vlbi/uf001/uva//J1920-3831_X_dfm.log on Mon Jan 14 05:01:30 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//J1920-3831_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1920-3831_X_uva.fits ! AN table 1: 58 integrations on 15 of 15 possible baselines. ! Apparent sampling: 0.995402 visibilities/baseline/integration-bin. ! Found source: J1920-3831 ! ! 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 121 lines of history. ! ! Reading 10392 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 J1920-3831_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 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 12 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.004713Jy sigma=18.342251 ! Fit after self-cal, rms=0.935276Jy sigma=17.014517 ! 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=2.168 mas, bmaj=14.19 mas, bpa=-2.553 degrees ! Estimated noise=0.547865 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 = 0.0521715 Jy ! Component: 100 - total flux cleaned = 0.0704595 Jy ! Total flux subtracted in 100 components = 0.0704595 Jy ! Clean residual min=-0.006925 max=0.012060 Jy/beam ! Clean residual mean=0.000070 rms=0.002592 Jy/beam ! Combined flux in latest and established models = 0.0704595 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 27 components and 0.0704595 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=0.070716Jy sigma=1.256144 ! Fit after self-cal, rms=0.069882Jy sigma=1.241519 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.447 mas, bmaj=15.02 mas, bpa=-2.375 degrees ! Estimated noise=0.39255 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 = 0.013382 Jy ! Component: 100 - total flux cleaned = 0.0212528 Jy ! Component: 150 - total flux cleaned = 0.0257515 Jy ! Component: 200 - total flux cleaned = 0.026947 Jy ! Total flux subtracted in 200 components = 0.026947 Jy ! Clean residual min=-0.004424 max=0.009490 Jy/beam ! Clean residual mean=0.000033 rms=0.001608 Jy/beam ! Combined flux in latest and established models = 0.0974065 Jy ! Performing phase self-cal ! Adding 68 model components to the UV plane model. ! The established model now contains 93 components and 0.0974065 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=0.067402Jy sigma=1.185651 ! Fit after self-cal, rms=0.067215Jy sigma=1.182357 ! Inverting map ! Added new window around map position (3.6, 4.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00755973 Jy ! Component: 100 - total flux cleaned = 0.00841907 Jy ! Component: 150 - total flux cleaned = 0.00842478 Jy ! Component: 200 - total flux cleaned = 0.00794887 Jy ! Total flux subtracted in 200 components = 0.00794887 Jy ! Clean residual min=-0.002600 max=0.003477 Jy/beam ! Clean residual mean=0.000011 rms=0.000858 Jy/beam ! Combined flux in latest and established models = 0.105355 Jy ! Performing phase self-cal ! Adding 64 model components to the UV plane model. ! The established model now contains 155 components and 0.105355 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=0.066335Jy sigma=1.164481 ! Fit after self-cal, rms=0.065993Jy sigma=1.160026 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.447 x 15.02 at -2.375 degrees (North through East) ! Clean map min=-0.0032206 max=0.068202 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.96 KP 0.94 LA 0.95 NL 1.12 ! OV 1.05 PT 0.98 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 1.01 KP 0.98 LA 1.00 NL 1.06 ! OV 1.04 PT 1.01 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 1.02 KP 0.92 LA 1.01 NL 1.00 ! OV 0.95 PT 1.01 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 1.04 KP 1.01 LA 1.04 NL 1.13 ! OV 0.93 PT 0.97 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 0.95 KP 1.00 LA 1.01 NL 0.90 ! OV 1.02 PT 1.03 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 1.01 KP 1.01 LA 0.97 NL 1.01 ! OV 0.98 PT 0.93 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 1.02 KP 0.98 LA 0.98 NL 0.94 ! OV 0.92 PT 0.99 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 0.98 KP 1.03 LA 1.10 NL 1.00 ! OV 0.96 PT 0.96 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! FD 1.02 KP 1.04 LA 1.02 NL 1.02 ! OV 1.00 PT 0.94 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 KP 0.99 LA 0.98 NL 0.93 ! OV 1.01 PT 1.03 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! FD 0.96 KP 0.99 LA 1.09 NL 0.91 ! OV 0.89 PT 0.98 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! FD 0.91 KP 1.01 LA 1.14 NL 0.93 ! OV 0.95 PT 0.92 ! ! ! Fit before self-cal, rms=0.065993Jy sigma=1.160026 ! Fit after self-cal, rms=0.064775Jy sigma=1.156771 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.437 mas, bmaj=14.98 mas, bpa=-2.345 degrees ! Estimated noise=0.384417 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 = 0.00249438 Jy ! Component: 100 - total flux cleaned = 0.00165729 Jy ! Component: 150 - total flux cleaned = 0.000776312 Jy ! Component: 200 - total flux cleaned = 0.000119762 Jy ! Total flux subtracted in 200 components = 0.000119762 Jy ! Clean residual min=-0.002606 max=0.002653 Jy/beam ! Clean residual mean=0.000009 rms=0.000733 Jy/beam ! Combined flux in latest and established models = 0.105475 Jy ! Performing phase self-cal ! Adding 57 model components to the UV plane model. ! The established model now contains 201 components and 0.105475 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=0.064589Jy sigma=1.153411 ! Fit after self-cal, rms=0.064534Jy sigma=1.151565 ! 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=0.064534Jy sigma=1.151565 ! Fit after self-cal, rms=0.064800Jy sigma=1.149156 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.429 mas, bmaj=14.96 mas, bpa=-2.323 degrees ! Estimated noise=0.38377 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00103479 Jy ! Component: 100 - total flux cleaned = 0.000315326 Jy ! Component: 150 - total flux cleaned = -0.000246668 Jy ! Component: 200 - total flux cleaned = -0.000672941 Jy ! Total flux subtracted in 200 components = -0.000672941 Jy ! Clean residual min=-0.002459 max=0.002298 Jy/beam ! Clean residual mean=0.000005 rms=0.000646 Jy/beam ! Combined flux in latest and established models = 0.104802 Jy selfcal ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 221 components and 0.104802 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=0.064719Jy sigma=1.147798 ! Fit after self-cal, rms=0.064734Jy sigma=1.147425 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 = 0.000133036 Jy ! Component: 100 - total flux cleaned = -0.00034879 Jy ! Component: 150 - total flux cleaned = -0.000557934 Jy ! Component: 200 - total flux cleaned = -0.000745196 Jy ! Total flux subtracted in 200 components = -0.000745196 Jy ! Clean residual min=-0.002422 max=0.002300 Jy/beam ! Clean residual mean=0.000007 rms=0.000641 Jy/beam ! Combined flux in latest and established models = 0.104057 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 249 components and 0.104057 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=0.064693Jy sigma=1.146848 ! Fit after self-cal, rms=0.064686Jy sigma=1.146707 ! 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=0.064686Jy sigma=1.146707 ! Fit after self-cal, rms=0.065138Jy sigma=1.145277 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.427 mas, bmaj=14.96 mas, bpa=-2.283 degrees ! Estimated noise=0.381456 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000103992 Jy ! Component: 100 - total flux cleaned = -0.000747499 Jy ! Component: 150 - total flux cleaned = -0.00111412 Jy ! Component: 200 - total flux cleaned = -0.00133324 Jy ! Total flux subtracted in 200 components = -0.00133324 Jy ! Clean residual min=-0.002209 max=0.001923 Jy/beam ! Clean residual mean=0.000001 rms=0.000576 Jy/beam ! Combined flux in latest and established models = 0.102724 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 265 components and 0.102724 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=0.065102Jy sigma=1.144713 ! Fit after self-cal, rms=0.065145Jy sigma=1.144418 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 = -6.56147e-05 Jy ! Component: 100 - total flux cleaned = -0.000319369 Jy ! Component: 150 - total flux cleaned = -0.000452605 Jy ! Component: 200 - total flux cleaned = -0.000534539 Jy ! Total flux subtracted in 200 components = -0.000534539 Jy ! Clean residual min=-0.002231 max=0.001883 Jy/beam ! Clean residual mean=0.000002 rms=0.000568 Jy/beam ! Combined flux in latest and established models = 0.102189 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 290 components and 0.102189 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=0.065124Jy sigma=1.144111 ! Fit after self-cal, rms=0.065123Jy sigma=1.144039 ! 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=0.065123Jy sigma=1.144039 ! Fit after self-cal, rms=0.065483Jy sigma=1.143914 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.799 mas, bmaj=16.05 mas, bpa=-1.594 degrees ! Estimated noise=0.38446 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000357791 Jy ! Component: 100 - total flux cleaned = -0.000719846 Jy ! Component: 150 - total flux cleaned = -0.000961064 Jy ! Component: 200 - total flux cleaned = -0.00107835 Jy ! Total flux subtracted in 200 components = -0.00107835 Jy ! Clean residual min=-0.002241 max=0.001917 Jy/beam ! Clean residual mean=-0.000000 rms=0.000558 Jy/beam ! Combined flux in latest and established models = 0.101111 Jy selfcal ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 307 components and 0.101111 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=0.065466Jy sigma=1.143651 ! Fit after self-cal, rms=0.065485Jy sigma=1.143519 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 = -0.000131166 Jy ! Component: 100 - total flux cleaned = -0.000346218 Jy ! Component: 150 - total flux cleaned = -0.000472084 Jy ! Component: 200 - total flux cleaned = -0.000522752 Jy ! Total flux subtracted in 200 components = -0.000522752 Jy ! Clean residual min=-0.002224 max=0.001870 Jy/beam ! Clean residual mean=0.000001 rms=0.000552 Jy/beam ! Combined flux in latest and established models = 0.100588 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 321 components and 0.100588 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=0.065473Jy sigma=1.143348 ! Fit after self-cal, rms=0.065469Jy sigma=1.143291 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=2.429 mas, bmaj=14.98 mas, bpa=-2.251 degrees ! Estimated noise=0.380813 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.429 x 14.98 at -2.251 degrees (North through East) ! Clean map min=-0.0031393 max=0.066196 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=2.153 mas, bmaj=14.1 mas, bpa=-2.581 degrees ! Estimated noise=0.527888 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0509116 Jy ! Component: 100 - total flux cleaned = 0.0729818 Jy ! Component: 150 - total flux cleaned = 0.0862639 Jy ! Component: 200 - total flux cleaned = 0.0942462 Jy ! Total flux subtracted in 200 components = 0.0942462 Jy ! Clean residual min=-0.004712 max=0.004652 Jy/beam ! Clean residual mean=0.000023 rms=0.001338 Jy/beam ! Combined flux in latest and established models = 0.0942462 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 64 model components to the UV plane model. ! The established model now contains 64 components and 0.0942462 Jy ! Inverting map and beam ! Estimated beam: bmin=2.429 mas, bmaj=14.98 mas, bpa=-2.251 degrees ! Estimated noise=0.380813 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 = 0.00625172 Jy ! Component: 100 - total flux cleaned = 0.00799778 Jy ! Component: 150 - total flux cleaned = 0.00885231 Jy ! Component: 200 - total flux cleaned = 0.00886722 Jy ! Total flux subtracted in 200 components = 0.00886722 Jy ! Clean residual min=-0.002601 max=0.002367 Jy/beam ! Clean residual mean=0.000002 rms=0.000755 Jy/beam ! Combined flux in latest and established models = 0.103113 Jy ! Adding 48 model components to the UV plane model. ! The established model now contains 100 components and 0.103113 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=2.799 mas, bmaj=16.05 mas, bpa=-1.594 degrees ! Estimated noise=0.38446 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000342753 Jy ! Component: 100 - total flux cleaned = -0.000136885 Jy ! Component: 150 - total flux cleaned = -0.000582614 Jy ! Component: 200 - total flux cleaned = -0.000906175 Jy ! Total flux subtracted in 200 components = -0.000906175 Jy ! Clean residual min=-0.002401 max=0.002172 Jy/beam ! Clean residual mean=-0.000001 rms=0.000637 Jy/beam ! Combined flux in latest and established models = 0.102207 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 = -0.000270517 Jy ! Component: 100 - total flux cleaned = -0.000435818 Jy ! Component: 150 - total flux cleaned = -0.000667198 Jy ! Component: 200 - total flux cleaned = -0.000846707 Jy ! Total flux subtracted in 200 components = -0.000846707 Jy ! Clean residual min=-0.002264 max=0.002092 Jy/beam ! Clean residual mean=-0.000000 rms=0.000590 Jy/beam ! Combined flux in latest and established models = 0.101361 Jy ! Adding 134 model components to the UV plane model. ! The established model now contains 219 components and 0.101361 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.429 mas, bmaj=14.98 mas, bpa=-2.251 degrees ! Estimated noise=0.380813 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000246557 Jy ! Component: 100 - total flux cleaned = -0.00037343 Jy ! Component: 150 - total flux cleaned = -0.000466628 Jy ! Component: 200 - total flux cleaned = -0.000533505 Jy ! Total flux subtracted in 200 components = -0.000533505 Jy ! Clean residual min=-0.002217 max=0.001959 Jy/beam ! Clean residual mean=0.000001 rms=0.000545 Jy/beam ! Combined flux in latest and established models = 0.100827 Jy selfcal ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 253 components and 0.100827 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=0.065450Jy sigma=1.143077 ! Fit after self-cal, rms=0.065414Jy sigma=1.142608 wmodel J1920-3831_X_map.mod ! Writing 253 model components to file: J1920-3831_X_map.mod wobs J1920-3831_X_uvs.fits ! Writing UV FITS file: J1920-3831_X_uvs.fits wwins J1920-3831_X_map.win ! wwins: Wrote 2 windows to J1920-3831_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 = -0.000547799 Jy ! Component: 100 - total flux cleaned = -0.000547484 Jy ! Component: 150 - total flux cleaned = -0.000627976 Jy ! Component: 200 - total flux cleaned = -0.00065172 Jy ! Component: 250 - total flux cleaned = -0.000564219 Jy ! Component: 300 - total flux cleaned = -0.000605283 Jy ! Component: 350 - total flux cleaned = -0.000624197 Jy ! Component: 400 - total flux cleaned = -0.000569089 Jy ! Component: 450 - total flux cleaned = -0.000533581 Jy ! Component: 500 - total flux cleaned = -0.00051654 Jy ! Component: 550 - total flux cleaned = -0.000484878 Jy ! Component: 600 - total flux cleaned = -0.000454532 Jy ! Component: 650 - total flux cleaned = -0.000396171 Jy ! Component: 700 - total flux cleaned = -0.00036859 Jy ! Component: 750 - total flux cleaned = -0.000341739 Jy ! Component: 800 - total flux cleaned = -0.000302614 Jy ! Component: 850 - total flux cleaned = -0.000264495 Jy ! Component: 900 - total flux cleaned = -0.000202958 Jy ! Component: 950 - total flux cleaned = -0.000119936 Jy ! Component: 1000 - total flux cleaned = -7.40256e-05 Jy ! Component: 1050 - total flux cleaned = 1.58436e-05 Jy ! Component: 1100 - total flux cleaned = 9.25924e-05 Jy ! Component: 1150 - total flux cleaned = 0.000188645 Jy ! Component: 1200 - total flux cleaned = 0.000261603 Jy ! Component: 1250 - total flux cleaned = 0.000322931 Jy ! Component: 1300 - total flux cleaned = 0.000402775 Jy ! Component: 1350 - total flux cleaned = 0.000432047 Jy ! Component: 1400 - total flux cleaned = 0.000470353 Jy ! Component: 1450 - total flux cleaned = 0.00049844 Jy ! Component: 1500 - total flux cleaned = 0.000498324 Jy ! Component: 1550 - total flux cleaned = 0.000498227 Jy ! Component: 1600 - total flux cleaned = 0.000516066 Jy ! Component: 1650 - total flux cleaned = 0.000507288 Jy ! Component: 1700 - total flux cleaned = 0.000472599 Jy ! Component: 1750 - total flux cleaned = 0.000455581 Jy ! Component: 1800 - total flux cleaned = 0.000430403 Jy ! Component: 1850 - total flux cleaned = 0.000413851 Jy ! Component: 1900 - total flux cleaned = 0.000413935 Jy ! Component: 1950 - total flux cleaned = 0.0003897 Jy ! Component: 2000 - total flux cleaned = 0.000413787 Jy ! Component: 2050 - total flux cleaned = 0.000429618 Jy ! Component: 2100 - total flux cleaned = 0.000453125 Jy ! Component: 2150 - total flux cleaned = 0.000468666 Jy ! Component: 2200 - total flux cleaned = 0.000484065 Jy ! Component: 2250 - total flux cleaned = 0.000506903 Jy ! Component: 2300 - total flux cleaned = 0.000529405 Jy ! Component: 2350 - total flux cleaned = 0.000551801 Jy ! Component: 2400 - total flux cleaned = 0.00055918 Jy ! Component: 2450 - total flux cleaned = 0.00056652 Jy ! Component: 2500 - total flux cleaned = 0.000581078 Jy ! Component: 2550 - total flux cleaned = 0.00058112 Jy ! Component: 2600 - total flux cleaned = 0.000588325 Jy ! Component: 2650 - total flux cleaned = 0.000602654 Jy ! Component: 2700 - total flux cleaned = 0.000595475 Jy ! Component: 2750 - total flux cleaned = 0.000581277 Jy ! Component: 2800 - total flux cleaned = 0.000574152 Jy ! Component: 2850 - total flux cleaned = 0.000588196 Jy ! Component: 2900 - total flux cleaned = 0.000574106 Jy ! Component: 2950 - total flux cleaned = 0.000553094 Jy ! Component: 3000 - total flux cleaned = 0.000539135 Jy ! Component: 3050 - total flux cleaned = 0.000511178 Jy ! Component: 3100 - total flux cleaned = 0.000483367 Jy ! Component: 3150 - total flux cleaned = 0.000469464 Jy ! Component: 3200 - total flux cleaned = 0.000434665 Jy ! Component: 3250 - total flux cleaned = 0.00038605 Jy ! Component: 3300 - total flux cleaned = 0.000351335 Jy ! Component: 3350 - total flux cleaned = 0.000309686 Jy ! Component: 3400 - total flux cleaned = 0.00028192 Jy ! Component: 3450 - total flux cleaned = 0.000240214 Jy ! Component: 3500 - total flux cleaned = 0.000205438 Jy ! Component: 3550 - total flux cleaned = 0.000170614 Jy ! Component: 3600 - total flux cleaned = 0.00011488 Jy ! Component: 3650 - total flux cleaned = 7.30384e-05 Jy ! Component: 3700 - total flux cleaned = 4.50837e-05 Jy ! Component: 3750 - total flux cleaned = -1.77817e-05 Jy ! Component: 3800 - total flux cleaned = -3.17266e-05 Jy ! Component: 3850 - total flux cleaned = -6.68135e-05 Jy ! Component: 3900 - total flux cleaned = -0.000116112 Jy ! Component: 3950 - total flux cleaned = -0.000137304 Jy ! Component: 4000 - total flux cleaned = -0.000172789 Jy ! Component: 4050 - total flux cleaned = -0.000201241 Jy ! Total flux subtracted in 4096 components = -0.000229773 Jy ! Clean residual min=-0.000391 max=0.000431 Jy/beam ! Clean residual mean=-0.000001 rms=0.000149 Jy/beam ! Combined flux in latest and established models = 0.100597 Jy keep ! Adding 475 model components to the UV plane model. ! The established model now contains 728 components and 0.100597 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1920-3831_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.429 x 14.98 at -2.251 degrees (North through East) ! Clean map min=-0.0027071 max=0.066022 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1920-3831_X_map.fits wmodel /vlbi/uf001/uva//J1920-3831_X_map.mod ! Writing 728 model components to file: /vlbi/uf001/uva//J1920-3831_X_map.mod wobs /vlbi/uf001/uva//J1920-3831_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1920-3831_X_uvs.fits wwins /vlbi/uf001/uva//J1920-3831_X_map.win ! wwins: Wrote 3 windows to /vlbi/uf001/uva//J1920-3831_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0660222 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000156538 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.711296 0.711296 1.42259 2.84518 5.69037 11.3807 22.7615 45.5229 91.0459 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.066 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 421.765 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1920-3831_X_dfm.log closed on Mon Jan 14 05:01:36 2019