! Started logfile: /vlbi/uf001/uva//J1648+2141_X_dfm.log on Mon Jan 14 03:54:07 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//J1648+2141_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1648+2141_X_uva.fits ! AN table 1: 148 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.791667 visibilities/baseline/integration-bin. ! Found source: J1648+2141 ! ! 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 50616 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 J1648+2141_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 180 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 180 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 180 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 180 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 180 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 180 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 180 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 180 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 180 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 180 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 180 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 180 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.002026Jy sigma=23.730188 ! Fit after self-cal, rms=0.975039Jy sigma=23.093290 ! 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=0.9027 mas, bmaj=2.5 mas, bpa=-10.03 degrees ! Estimated noise=0.355359 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 = 0.0205701 Jy ! Component: 100 - total flux cleaned = 0.0250845 Jy ! Total flux subtracted in 100 components = 0.0250845 Jy ! Clean residual min=-0.002254 max=0.002589 Jy/beam ! Clean residual mean=-0.000000 rms=0.000582 Jy/beam ! Combined flux in latest and established models = 0.0250845 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.0250845 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=0.052050Jy sigma=1.179739 ! Fit after self-cal, rms=0.050328Jy sigma=1.137657 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00318307 Jy ! Component: 100 - total flux cleaned = 0.00328854 Jy ! Total flux subtracted in 100 components = 0.00328854 Jy ! Clean residual min=-0.002500 max=0.002617 Jy/beam ! Clean residual mean=-0.000001 rms=0.000557 Jy/beam ! Combined flux in latest and established models = 0.0283731 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.0283731 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=0.050100Jy sigma=1.132695 ! Fit after self-cal, rms=0.050070Jy sigma=1.132115 ! 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=1.176 mas, bmaj=2.645 mas, bpa=-9.865 degrees ! Estimated noise=0.136253 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 = 0.000885431 Jy ! Component: 100 - total flux cleaned = 0.00138204 Jy ! Component: 150 - total flux cleaned = 0.00154472 Jy ! Component: 200 - total flux cleaned = 0.00165739 Jy ! Total flux subtracted in 200 components = 0.00165739 Jy ! Clean residual min=-0.001852 max=0.002060 Jy/beam ! Clean residual mean=-0.000001 rms=0.000412 Jy/beam ! Combined flux in latest and established models = 0.0300305 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 18 components and 0.0300305 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=0.050055Jy sigma=1.131646 ! Fit after self-cal, rms=0.050049Jy sigma=1.131390 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.176 x 2.645 at -9.865 degrees (North through East) ! Clean map min=-0.0017514 max=0.02966 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.97 HN 0.98 KP 1.08 ! LA 0.79 MK 1.17 NL 1.40 OV 0.98 ! PT 0.97 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 0.95 HN 1.02 KP 1.01 ! LA 0.77 MK 1.24 NL 1.39 OV 1.03 ! PT 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.03 HN 0.94 KP 1.14 ! LA 0.88 MK 1.07 NL 1.34 OV 0.98 ! PT 1.03 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.06 HN 0.93 KP 1.14 ! LA 0.87 MK 1.08 NL 1.38 OV 1.04 ! PT 0.94 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.00 HN 0.95 KP 1.20 ! LA 0.86 MK 0.99 NL 1.26 OV 0.91 ! PT 0.97 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.96 HN 0.85 KP 1.09 ! LA 0.86 MK 1.03 NL 1.29 OV 1.03 ! PT 0.96 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.91 HN 0.88 KP 1.19 ! LA 0.85 MK 1.10 NL 1.30 OV 0.99 ! PT 0.97 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.91 HN 0.85 KP 1.17 ! LA 0.79 MK 1.04 NL 1.28 OV 1.02 ! PT 0.95 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 0.88 HN 0.83 KP 1.06 ! LA 0.86 MK 0.97 NL 1.35 OV 0.99 ! PT 0.91 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.89 HN 0.84 KP 1.09 ! LA 0.84 MK 0.96 NL 1.18 OV 0.98 ! PT 0.93 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.82 FD 0.89 HN 0.88 KP 1.06 ! LA 0.74 MK 0.92 NL 1.25 OV 0.98 ! PT 0.94 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 FD 0.84 HN 0.83 KP 0.99 ! LA 0.81 MK 0.88 NL 1.28 OV 0.89 ! PT 0.84 ! ! ! Fit before self-cal, rms=0.050049Jy sigma=1.131390 ! Fit after self-cal, rms=0.048601Jy sigma=1.123199 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.171 mas, bmaj=2.62 mas, bpa=-9.607 degrees ! Estimated noise=0.135343 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 = 0.000266766 Jy ! Component: 100 - total flux cleaned = 0.000248825 Jy ! Component: 150 - total flux cleaned = 0.00022542 Jy ! Component: 200 - total flux cleaned = 0.000197702 Jy ! Total flux subtracted in 200 components = 0.000197702 Jy ! Clean residual min=-0.000665 max=0.000686 Jy/beam ! Clean residual mean=0.000000 rms=0.000171 Jy/beam ! Combined flux in latest and established models = 0.0302282 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 28 components and 0.0302282 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=0.048598Jy sigma=1.123106 ! Fit after self-cal, rms=0.048756Jy sigma=1.120588 ! 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=0.048756Jy sigma=1.120588 ! Fit after self-cal, rms=0.049947Jy sigma=1.118856 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.179 mas, bmaj=2.601 mas, bpa=-9.729 degrees ! Estimated noise=0.135746 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.5101e-05 Jy ! Component: 100 - total flux cleaned = 5.0051e-05 Jy ! Component: 150 - total flux cleaned = 5.47599e-05 Jy ! Component: 200 - total flux cleaned = 5.48788e-05 Jy ! Total flux subtracted in 200 components = 5.48788e-05 Jy ! Clean residual min=-0.000551 max=0.000573 Jy/beam ! Clean residual mean=0.000000 rms=0.000143 Jy/beam ! Combined flux in latest and established models = 0.0302831 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 38 components and 0.0302831 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=0.049946Jy sigma=1.118832 ! Fit after self-cal, rms=0.050091Jy sigma=1.117936 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -2.5186e-06 Jy ! Component: 100 - total flux cleaned = -2.43492e-06 Jy ! Component: 150 - total flux cleaned = -2.44881e-06 Jy ! Component: 200 - total flux cleaned = -2.59598e-06 Jy ! Total flux subtracted in 200 components = -2.59598e-06 Jy ! Clean residual min=-0.000646 max=0.000551 Jy/beam ! Clean residual mean=-0.000000 rms=0.000150 Jy/beam ! Combined flux in latest and established models = 0.0302805 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 41 components and 0.0302805 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=0.050090Jy sigma=1.117930 ! Fit after self-cal, rms=0.050093Jy sigma=1.117901 ! 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=0.050093Jy sigma=1.117901 ! Fit after self-cal, rms=0.050670Jy sigma=1.117679 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.18 mas, bmaj=2.597 mas, bpa=-9.746 degrees ! Estimated noise=0.135547 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.44768e-05 Jy ! Component: 100 - total flux cleaned = 1.91861e-05 Jy ! Component: 150 - total flux cleaned = 2.31554e-05 Jy ! Component: 200 - total flux cleaned = 2.68601e-05 Jy ! Total flux subtracted in 200 components = 2.68601e-05 Jy ! Clean residual min=-0.000593 max=0.000551 Jy/beam ! Clean residual mean=0.000000 rms=0.000140 Jy/beam ! Combined flux in latest and established models = 0.0303073 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 46 components and 0.0303073 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=0.050669Jy sigma=1.117668 ! Fit after self-cal, rms=0.050744Jy sigma=1.117511 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 = 7.02504e-06 Jy ! Component: 100 - total flux cleaned = 1.1754e-05 Jy ! Component: 150 - total flux cleaned = 1.59755e-05 Jy ! Component: 200 - total flux cleaned = 2.3466e-05 Jy ! Total flux subtracted in 200 components = 2.3466e-05 Jy ! Clean residual min=-0.000577 max=0.000528 Jy/beam ! Clean residual mean=0.000000 rms=0.000141 Jy/beam ! Combined flux in latest and established models = 0.0303308 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 48 components and 0.0303308 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=0.050743Jy sigma=1.117500 ! Fit after self-cal, rms=0.050746Jy sigma=1.117487 ! 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=0.050746Jy sigma=1.117487 ! Fit after self-cal, rms=0.050934Jy sigma=1.117441 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.3 mas, bmaj=2.749 mas, bpa=-8.442 degrees ! Estimated noise=0.155375 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.27972e-05 Jy ! Component: 100 - total flux cleaned = 6.7991e-05 Jy ! Component: 150 - total flux cleaned = 7.49782e-05 Jy ! Component: 200 - total flux cleaned = 7.81093e-05 Jy ! Total flux subtracted in 200 components = 7.81093e-05 Jy ! Clean residual min=-0.000537 max=0.000615 Jy/beam ! Clean residual mean=0.000001 rms=0.000145 Jy/beam ! Combined flux in latest and established models = 0.0304089 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 49 components and 0.0304089 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=0.050934Jy sigma=1.117428 ! Fit after self-cal, rms=0.050970Jy sigma=1.117354 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 = 1.59688e-06 Jy ! Component: 100 - total flux cleaned = 9.45021e-06 Jy ! Component: 150 - total flux cleaned = 1.96831e-05 Jy ! Component: 200 - total flux cleaned = 2.27627e-05 Jy ! Total flux subtracted in 200 components = 2.27627e-05 Jy ! Clean residual min=-0.000528 max=0.000604 Jy/beam ! Clean residual mean=0.000000 rms=0.000145 Jy/beam ! Combined flux in latest and established models = 0.0304317 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 49 components and 0.0304317 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=0.050970Jy sigma=1.117348 ! Fit after self-cal, rms=0.050971Jy sigma=1.117309 ! 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=1.179 mas, bmaj=2.594 mas, bpa=-9.753 degrees ! Estimated noise=0.135276 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.179 x 2.594 at -9.753 degrees (North through East) ! Clean map min=-0.00055327 max=0.029088 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=0.9065 mas, bmaj=2.417 mas, bpa=-10.11 degrees ! Estimated noise=0.348584 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0226783 Jy ! Component: 100 - total flux cleaned = 0.027712 Jy ! Component: 150 - total flux cleaned = 0.0288467 Jy ! Component: 200 - total flux cleaned = 0.0291256 Jy ! Total flux subtracted in 200 components = 0.0291256 Jy ! Clean residual min=-0.001575 max=0.001693 Jy/beam ! Clean residual mean=0.000000 rms=0.000407 Jy/beam ! Combined flux in latest and established models = 0.0291256 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 12 model components to the UV plane model. ! The established model now contains 12 components and 0.0291256 Jy ! Inverting map and beam ! Estimated beam: bmin=1.179 mas, bmaj=2.594 mas, bpa=-9.753 degrees ! Estimated noise=0.135276 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, 0.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000737338 Jy ! Component: 100 - total flux cleaned = 0.000987489 Jy ! Component: 150 - total flux cleaned = 0.00107283 Jy ! Component: 200 - total flux cleaned = 0.00110705 Jy ! Total flux subtracted in 200 components = 0.00110705 Jy ! Clean residual min=-0.000602 max=0.000574 Jy/beam ! Clean residual mean=0.000000 rms=0.000141 Jy/beam ! Combined flux in latest and established models = 0.0302326 Jy ! Adding 17 model components to the UV plane model. ! The established model now contains 29 components and 0.0302326 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=2.3 mas, bmaj=2.749 mas, bpa=-8.442 degrees ! Estimated noise=0.155375 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000132039 Jy ! Component: 100 - total flux cleaned = 0.000153498 Jy ! Component: 150 - total flux cleaned = 0.00016484 Jy ! Component: 200 - total flux cleaned = 0.00016021 Jy ! Total flux subtracted in 200 components = 0.00016021 Jy ! Clean residual min=-0.000516 max=0.000580 Jy/beam ! Clean residual mean=0.000001 rms=0.000140 Jy/beam ! Combined flux in latest and established models = 0.0303929 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.0034e-06 Jy ! Component: 100 - total flux cleaned = -7.48031e-06 Jy ! Component: 150 - total flux cleaned = -1.05076e-05 Jy ! Component: 200 - total flux cleaned = -7.83616e-06 Jy ! Total flux subtracted in 200 components = -7.83616e-06 Jy ! Clean residual min=-0.000504 max=0.000573 Jy/beam ! Clean residual mean=0.000001 rms=0.000139 Jy/beam ! Combined flux in latest and established models = 0.030385 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 57 components and 0.030385 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.179 mas, bmaj=2.594 mas, bpa=-9.753 degrees ! Estimated noise=0.135276 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.42315e-05 Jy ! Component: 100 - total flux cleaned = -2.51154e-05 Jy ! Component: 150 - total flux cleaned = -2.09855e-05 Jy ! Component: 200 - total flux cleaned = -1.71022e-05 Jy ! Total flux subtracted in 200 components = -1.71022e-05 Jy ! Clean residual min=-0.000558 max=0.000533 Jy/beam ! Clean residual mean=0.000000 rms=0.000137 Jy/beam ! Combined flux in latest and established models = 0.0303679 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 73 components and 0.0303679 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=0.050968Jy sigma=1.117267 ! Fit after self-cal, rms=0.050968Jy sigma=1.117216 wmodel J1648+2141_X_map.mod ! Writing 73 model components to file: J1648+2141_X_map.mod wobs J1648+2141_X_uvs.fits ! Writing UV FITS file: J1648+2141_X_uvs.fits wwins J1648+2141_X_map.win ! wwins: Wrote 2 windows to J1648+2141_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 = -8.74642e-05 Jy ! Component: 100 - total flux cleaned = -5.92326e-05 Jy ! Component: 150 - total flux cleaned = -5.90375e-05 Jy ! Component: 200 - total flux cleaned = -0.000101857 Jy ! Component: 250 - total flux cleaned = -0.000160083 Jy ! Component: 300 - total flux cleaned = -0.000208626 Jy ! Component: 350 - total flux cleaned = -0.000255594 Jy ! Component: 400 - total flux cleaned = -0.000286174 Jy ! Component: 450 - total flux cleaned = -0.000316062 Jy ! Component: 500 - total flux cleaned = -0.000345251 Jy ! Component: 550 - total flux cleaned = -0.000359452 Jy ! Component: 600 - total flux cleaned = -0.000373388 Jy ! Component: 650 - total flux cleaned = -0.000393813 Jy ! Component: 700 - total flux cleaned = -0.000387045 Jy ! Component: 750 - total flux cleaned = -0.00041345 Jy ! Component: 800 - total flux cleaned = -0.000413438 Jy ! Component: 850 - total flux cleaned = -0.000419787 Jy ! Component: 900 - total flux cleaned = -0.000394677 Jy ! Component: 950 - total flux cleaned = -0.000419586 Jy ! Component: 1000 - total flux cleaned = -0.000425848 Jy ! Component: 1050 - total flux cleaned = -0.000449862 Jy ! Component: 1100 - total flux cleaned = -0.000455858 Jy ! Component: 1150 - total flux cleaned = -0.000467538 Jy ! Component: 1200 - total flux cleaned = -0.00050195 Jy ! Component: 1250 - total flux cleaned = -0.000501883 Jy ! Component: 1300 - total flux cleaned = -0.000507478 Jy ! Component: 1350 - total flux cleaned = -0.000513029 Jy ! Component: 1400 - total flux cleaned = -0.000518418 Jy ! Component: 1450 - total flux cleaned = -0.000534656 Jy ! Component: 1500 - total flux cleaned = -0.000539973 Jy ! Component: 1550 - total flux cleaned = -0.000560942 Jy ! Component: 1600 - total flux cleaned = -0.000555746 Jy ! Component: 1650 - total flux cleaned = -0.000576285 Jy ! Component: 1700 - total flux cleaned = -0.000550908 Jy ! Component: 1750 - total flux cleaned = -0.000565925 Jy ! Component: 1800 - total flux cleaned = -0.000555911 Jy ! Component: 1850 - total flux cleaned = -0.000575569 Jy ! Component: 1900 - total flux cleaned = -0.000594992 Jy ! Component: 1950 - total flux cleaned = -0.000599721 Jy ! Component: 2000 - total flux cleaned = -0.000594926 Jy ! Component: 2050 - total flux cleaned = -0.000609143 Jy ! Component: 2100 - total flux cleaned = -0.000604471 Jy ! Component: 2150 - total flux cleaned = -0.000604534 Jy ! Component: 2200 - total flux cleaned = -0.000618386 Jy ! Component: 2250 - total flux cleaned = -0.00063211 Jy ! Component: 2300 - total flux cleaned = -0.000636608 Jy ! Component: 2350 - total flux cleaned = -0.000641092 Jy ! Component: 2400 - total flux cleaned = -0.000632205 Jy ! Component: 2450 - total flux cleaned = -0.000645403 Jy ! Component: 2500 - total flux cleaned = -0.000627857 Jy ! Component: 2550 - total flux cleaned = -0.000627856 Jy ! Component: 2600 - total flux cleaned = -0.000636483 Jy ! Component: 2650 - total flux cleaned = -0.000632177 Jy ! Component: 2700 - total flux cleaned = -0.000636418 Jy ! Component: 2750 - total flux cleaned = -0.000644791 Jy ! Component: 2800 - total flux cleaned = -0.00063638 Jy ! Component: 2850 - total flux cleaned = -0.000632222 Jy ! Component: 2900 - total flux cleaned = -0.000632238 Jy ! Component: 2950 - total flux cleaned = -0.000624098 Jy ! Component: 3000 - total flux cleaned = -0.000636241 Jy ! Component: 3050 - total flux cleaned = -0.000640255 Jy ! Component: 3100 - total flux cleaned = -0.000628316 Jy ! Component: 3150 - total flux cleaned = -0.000628298 Jy ! Component: 3200 - total flux cleaned = -0.000628328 Jy ! Component: 3250 - total flux cleaned = -0.000632202 Jy ! Component: 3300 - total flux cleaned = -0.000639961 Jy ! Component: 3350 - total flux cleaned = -0.00063227 Jy ! Component: 3400 - total flux cleaned = -0.000639905 Jy ! Component: 3450 - total flux cleaned = -0.000628595 Jy ! Component: 3500 - total flux cleaned = -0.000654978 Jy ! Component: 3550 - total flux cleaned = -0.0006438 Jy ! Component: 3600 - total flux cleaned = -0.000662366 Jy ! Component: 3650 - total flux cleaned = -0.000655014 Jy ! Component: 3700 - total flux cleaned = -0.000655018 Jy ! Component: 3750 - total flux cleaned = -0.000651388 Jy ! Component: 3800 - total flux cleaned = -0.000658597 Jy ! Component: 3850 - total flux cleaned = -0.000665783 Jy ! Component: 3900 - total flux cleaned = -0.000640731 Jy ! Component: 3950 - total flux cleaned = -0.000658514 Jy ! Component: 4000 - total flux cleaned = -0.000658499 Jy ! Component: 4050 - total flux cleaned = -0.000665503 Jy ! Total flux subtracted in 4096 components = -0.000658526 Jy ! Clean residual min=-0.000202 max=0.000191 Jy/beam ! Clean residual mean=0.000000 rms=0.000062 Jy/beam ! Combined flux in latest and established models = 0.0297094 Jy keep ! Adding 247 model components to the UV plane model. ! The established model now contains 320 components and 0.0297094 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1648+2141_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.179 x 2.594 at -9.753 degrees (North through East) ! Clean map min=-0.00037723 max=0.029049 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1648+2141_X_map.fits wmodel /vlbi/uf001/uva//J1648+2141_X_map.mod ! Writing 320 model components to file: /vlbi/uf001/uva//J1648+2141_X_map.mod wobs /vlbi/uf001/uva//J1648+2141_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1648+2141_X_uvs.fits wwins /vlbi/uf001/uva//J1648+2141_X_map.win ! wwins: Wrote 3 windows to /vlbi/uf001/uva//J1648+2141_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0290493 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 6.10221e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.630193 0.630193 1.26039 2.52077 5.04154 10.0831 20.1662 40.3323 80.6647 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.029 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 476.044 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1648+2141_X_dfm.log closed on Mon Jan 14 03:54:14 2019