! Started logfile: /vlbi/uf001/uva//J2251+4030_X_dfm.log on Mon Jan 14 06:26:11 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//J2251+4030_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J2251+4030_X_uva.fits ! AN table 1: 76 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.832164 visibilities/baseline/integration-bin. ! Found source: J2251+4030 ! ! 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 34152 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 J2251+4030_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 154 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 154 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 154 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 154 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 154 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 154 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 154 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 154 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 154 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 154 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 154 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 154 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.002952Jy sigma=24.286374 ! Fit after self-cal, rms=0.946137Jy sigma=22.887534 ! 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=0.7189 mas, bmaj=1.263 mas, bpa=-5.55 degrees ! Estimated noise=0.340178 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 = 0.0431345 Jy ! Component: 100 - total flux cleaned = 0.0528658 Jy ! Total flux subtracted in 100 components = 0.0528658 Jy ! Clean residual min=-0.002823 max=0.003482 Jy/beam ! Clean residual mean=0.000001 rms=0.000585 Jy/beam ! Combined flux in latest and established models = 0.0528658 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.0528658 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=0.055171Jy sigma=1.279362 ! Fit after self-cal, rms=0.054203Jy sigma=1.257310 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00411158 Jy ! Component: 100 - total flux cleaned = 0.00605069 Jy ! Total flux subtracted in 100 components = 0.00605069 Jy ! Clean residual min=-0.002837 max=0.002709 Jy/beam ! Clean residual mean=0.000000 rms=0.000552 Jy/beam ! Combined flux in latest and established models = 0.0589165 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.0589165 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=0.053934Jy sigma=1.249007 ! Fit after self-cal, rms=0.053935Jy sigma=1.248797 ! 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=0.9009 mas, bmaj=1.544 mas, bpa=-4.109 degrees ! Estimated noise=0.170058 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, -1.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00276109 Jy ! Component: 100 - total flux cleaned = 0.0042201 Jy ! Component: 150 - total flux cleaned = 0.00481822 Jy ! Component: 200 - total flux cleaned = 0.00526505 Jy ! Total flux subtracted in 200 components = 0.00526505 Jy ! Clean residual min=-0.001893 max=0.002292 Jy/beam ! Clean residual mean=-0.000002 rms=0.000431 Jy/beam ! Combined flux in latest and established models = 0.0641815 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 31 components and 0.0641815 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=0.053786Jy sigma=1.244369 ! Fit after self-cal, rms=0.053779Jy sigma=1.243905 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9009 x 1.544 at -4.109 degrees (North through East) ! Clean map min=-0.0017914 max=0.055951 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.18 FD 0.96 HN 1.09 KP 0.99 ! LA 0.94 MK 1.03 NL 1.09 OV 0.92 ! PT 0.96 SC 0.85 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 0.99 HN 1.14 KP 0.94 ! LA 0.94 MK 1.00 NL 1.18 OV 0.89 ! PT 0.96 SC 0.97 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.02 HN 1.12 KP 1.00 ! LA 0.98 MK 0.99 NL 1.17 OV 0.90 ! PT 0.98 SC 0.92 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.01 HN 1.07 KP 0.98 ! LA 0.88 MK 1.00 NL 1.15 OV 0.92 ! PT 0.98 SC 0.96 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.96 HN 1.00 KP 0.98 ! LA 0.96 MK 0.97 NL 1.15 OV 0.93 ! PT 0.99 SC 0.97 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 0.96 HN 1.03 KP 1.07 ! LA 0.92 MK 0.99 NL 1.15 OV 0.91 ! PT 0.94 SC 0.96 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.00 HN 1.07 KP 1.04 ! LA 0.93 MK 1.01 NL 1.13 OV 0.89 ! PT 1.03 SC 0.94 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.02 HN 1.09 KP 0.98 ! LA 0.96 MK 0.98 NL 1.11 OV 0.94 ! PT 0.96 SC 0.92 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.99 HN 1.05 KP 0.97 ! LA 0.92 MK 0.99 NL 1.14 OV 0.92 ! PT 0.94 SC 0.99 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.93 HN 1.01 KP 1.03 ! LA 0.95 MK 1.02 NL 1.20 OV 0.86 ! PT 0.99 SC 0.90 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.99 HN 0.97 KP 1.02 ! LA 0.93 MK 0.94 NL 1.19 OV 0.91 ! PT 0.92 SC 1.01 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.95 HN 0.99 KP 1.01 ! LA 0.87 MK 0.98 NL 1.17 OV 0.89 ! PT 1.04 SC 0.94 ! ! ! Fit before self-cal, rms=0.053779Jy sigma=1.243905 ! Fit after self-cal, rms=0.053499Jy sigma=1.234766 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8967 mas, bmaj=1.548 mas, bpa=-3.348 degrees ! Estimated noise=0.169546 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 = -0.000590124 Jy ! Component: 100 - total flux cleaned = -0.000785112 Jy ! Component: 150 - total flux cleaned = -0.00081341 Jy ! Component: 200 - total flux cleaned = -0.000767197 Jy ! Total flux subtracted in 200 components = -0.000767197 Jy ! Clean residual min=-0.001307 max=0.001250 Jy/beam ! Clean residual mean=-0.000002 rms=0.000305 Jy/beam ! Combined flux in latest and established models = 0.0634143 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 45 components and 0.0634143 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=0.053460Jy sigma=1.233912 ! Fit after self-cal, rms=0.053536Jy sigma=1.233391 ! 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=0.053536Jy sigma=1.233391 ! Fit after self-cal, rms=0.055020Jy sigma=1.226445 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9017 mas, bmaj=1.543 mas, bpa=-3.771 degrees ! Estimated noise=0.170416 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.10908e-05 Jy ! Component: 100 - total flux cleaned = 3.40632e-05 Jy ! Component: 150 - total flux cleaned = 3.40178e-05 Jy ! Component: 200 - total flux cleaned = 7.05614e-05 Jy ! Total flux subtracted in 200 components = 7.05614e-05 Jy ! Clean residual min=-0.001014 max=0.000943 Jy/beam ! Clean residual mean=-0.000001 rms=0.000228 Jy/beam ! Combined flux in latest and established models = 0.0634849 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 53 components and 0.0634849 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=0.055004Jy sigma=1.226139 ! Fit after self-cal, rms=0.055071Jy sigma=1.225830 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 = 3.04866e-05 Jy ! Component: 100 - total flux cleaned = 4.11728e-05 Jy ! Component: 150 - total flux cleaned = 5.01517e-05 Jy ! Component: 200 - total flux cleaned = 5.00915e-05 Jy ! Total flux subtracted in 200 components = 5.00915e-05 Jy ! Clean residual min=-0.001010 max=0.000929 Jy/beam ! Clean residual mean=-0.000001 rms=0.000228 Jy/beam ! Combined flux in latest and established models = 0.063535 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 58 components and 0.063535 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=0.055066Jy sigma=1.225758 ! Fit after self-cal, rms=0.055067Jy sigma=1.225754 ! 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=0.055067Jy sigma=1.225754 ! Fit after self-cal, rms=0.055361Jy sigma=1.225667 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9014 mas, bmaj=1.542 mas, bpa=-3.703 degrees ! Estimated noise=0.170285 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -2.09741e-05 Jy ! Component: 100 - total flux cleaned = 4.0483e-05 Jy ! Component: 150 - total flux cleaned = 8.42008e-05 Jy ! Component: 200 - total flux cleaned = 0.000115124 Jy ! Total flux subtracted in 200 components = 0.000115124 Jy ! Clean residual min=-0.001000 max=0.000920 Jy/beam ! Clean residual mean=-0.000001 rms=0.000226 Jy/beam ! Combined flux in latest and established models = 0.0636501 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 64 components and 0.0636501 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=0.055358Jy sigma=1.225593 ! Fit after self-cal, rms=0.055368Jy sigma=1.225579 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 = 1.35433e-05 Jy ! Component: 100 - total flux cleaned = 3.55015e-05 Jy ! Component: 150 - total flux cleaned = 3.55198e-05 Jy ! Component: 200 - total flux cleaned = 3.56727e-05 Jy ! Total flux subtracted in 200 components = 3.56727e-05 Jy ! Clean residual min=-0.001000 max=0.000922 Jy/beam ! Clean residual mean=-0.000001 rms=0.000225 Jy/beam ! Combined flux in latest and established models = 0.0636858 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 66 components and 0.0636858 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=0.055366Jy sigma=1.225548 ! Fit after self-cal, rms=0.055365Jy sigma=1.225547 ! 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=0.055365Jy sigma=1.225547 ! Fit after self-cal, rms=0.055493Jy sigma=1.225534 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.152 mas, bmaj=2.555 mas, bpa=-0.4954 degrees ! Estimated noise=0.214034 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000315909 Jy ! Component: 100 - total flux cleaned = 0.000361873 Jy ! Component: 150 - total flux cleaned = 0.000386285 Jy ! Component: 200 - total flux cleaned = 0.000396888 Jy ! Total flux subtracted in 200 components = 0.000396888 Jy ! Clean residual min=-0.001310 max=0.001205 Jy/beam ! Clean residual mean=-0.000002 rms=0.000307 Jy/beam ! Combined flux in latest and established models = 0.0640826 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 74 components and 0.0640826 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=0.055494Jy sigma=1.225541 ! Fit after self-cal, rms=0.055496Jy sigma=1.225534 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 = 7.21251e-05 Jy ! Component: 100 - total flux cleaned = 8.72822e-05 Jy ! Component: 150 - total flux cleaned = 9.63074e-05 Jy ! Component: 200 - total flux cleaned = 0.000104563 Jy ! Total flux subtracted in 200 components = 0.000104563 Jy ! Clean residual min=-0.001311 max=0.001198 Jy/beam ! Clean residual mean=-0.000002 rms=0.000306 Jy/beam ! Combined flux in latest and established models = 0.0641872 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 76 components and 0.0641872 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=0.055497Jy sigma=1.225542 ! Fit after self-cal, rms=0.055496Jy sigma=1.225541 ! 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=0.9014 mas, bmaj=1.54 mas, bpa=-3.668 degrees ! Estimated noise=0.17031 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9014 x 1.54 at -3.668 degrees (North through East) ! Clean map min=-0.0009474 max=0.055979 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=0.7156 mas, bmaj=1.252 mas, bpa=-5.168 degrees ! Estimated noise=0.338501 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0434641 Jy ! Component: 100 - total flux cleaned = 0.0535553 Jy ! Component: 150 - total flux cleaned = 0.0576684 Jy ! Component: 200 - total flux cleaned = 0.0595569 Jy ! Total flux subtracted in 200 components = 0.0595569 Jy ! Clean residual min=-0.001918 max=0.001841 Jy/beam ! Clean residual mean=0.000000 rms=0.000445 Jy/beam ! Combined flux in latest and established models = 0.0595569 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 14 model components to the UV plane model. ! The established model now contains 14 components and 0.0595569 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9014 mas, bmaj=1.54 mas, bpa=-3.668 degrees ! Estimated noise=0.17031 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 = 0.00173725 Jy ! Component: 100 - total flux cleaned = 0.0028158 Jy ! Component: 150 - total flux cleaned = 0.00355228 Jy ! Component: 200 - total flux cleaned = 0.00395398 Jy ! Total flux subtracted in 200 components = 0.00395398 Jy ! Clean residual min=-0.000999 max=0.000894 Jy/beam ! Clean residual mean=-0.000001 rms=0.000227 Jy/beam ! Combined flux in latest and established models = 0.0635109 Jy ! Adding 18 model components to the UV plane model. ! The established model now contains 30 components and 0.0635109 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=2.152 mas, bmaj=2.555 mas, bpa=-0.4954 degrees ! Estimated noise=0.214034 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000434004 Jy ! Component: 100 - total flux cleaned = 0.000565758 Jy ! Component: 150 - total flux cleaned = 0.000603627 Jy ! Component: 200 - total flux cleaned = 0.000629249 Jy ! Total flux subtracted in 200 components = 0.000629249 Jy ! Clean residual min=-0.001302 max=0.001182 Jy/beam ! Clean residual mean=-0.000002 rms=0.000305 Jy/beam ! Combined flux in latest and established models = 0.0641401 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 = 2.73952e-05 Jy ! Component: 100 - total flux cleaned = 4.61749e-05 Jy ! Component: 150 - total flux cleaned = 5.04988e-05 Jy ! Component: 200 - total flux cleaned = 5.8541e-05 Jy ! Total flux subtracted in 200 components = 5.8541e-05 Jy ! Clean residual min=-0.001303 max=0.001182 Jy/beam ! Clean residual mean=-0.000002 rms=0.000305 Jy/beam ! Combined flux in latest and established models = 0.0641986 Jy ! Adding 19 model components to the UV plane model. ! The established model now contains 48 components and 0.0641986 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9014 mas, bmaj=1.54 mas, bpa=-3.668 degrees ! Estimated noise=0.17031 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000105222 Jy ! Component: 100 - total flux cleaned = -7.36791e-05 Jy ! Component: 150 - total flux cleaned = -8.29241e-05 Jy ! Component: 200 - total flux cleaned = -9.97262e-05 Jy ! Total flux subtracted in 200 components = -9.97262e-05 Jy ! Clean residual min=-0.000993 max=0.000888 Jy/beam ! Clean residual mean=-0.000001 rms=0.000225 Jy/beam ! Combined flux in latest and established models = 0.0640989 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 55 components and 0.0640989 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=0.055494Jy sigma=1.225556 ! Fit after self-cal, rms=0.055490Jy sigma=1.225536 wmodel J2251+4030_X_map.mod ! Writing 55 model components to file: J2251+4030_X_map.mod wobs J2251+4030_X_uvs.fits ! Writing UV FITS file: J2251+4030_X_uvs.fits wwins J2251+4030_X_map.win ! wwins: Wrote 2 windows to J2251+4030_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 = -0.000223517 Jy ! Component: 100 - total flux cleaned = -0.000123634 Jy ! Component: 150 - total flux cleaned = -6.02443e-05 Jy ! Component: 200 - total flux cleaned = 1.67107e-05 Jy ! Component: 250 - total flux cleaned = 0.00013623 Jy ! Component: 300 - total flux cleaned = 0.000179435 Jy ! Component: 350 - total flux cleaned = 0.000179458 Jy ! Component: 400 - total flux cleaned = 0.00023516 Jy ! Component: 450 - total flux cleaned = 0.000262236 Jy ! Component: 500 - total flux cleaned = 0.000302333 Jy ! Component: 550 - total flux cleaned = 0.000289254 Jy ! Component: 600 - total flux cleaned = 0.000328155 Jy ! Component: 650 - total flux cleaned = 0.000302567 Jy ! Component: 700 - total flux cleaned = 0.000340316 Jy ! Component: 750 - total flux cleaned = 0.000327849 Jy ! Component: 800 - total flux cleaned = 0.000352413 Jy ! Component: 850 - total flux cleaned = 0.000340243 Jy ! Component: 900 - total flux cleaned = 0.000352244 Jy ! Component: 950 - total flux cleaned = 0.000375807 Jy ! Component: 1000 - total flux cleaned = 0.000375619 Jy ! Component: 1050 - total flux cleaned = 0.000387202 Jy ! Component: 1100 - total flux cleaned = 0.000398629 Jy ! Component: 1150 - total flux cleaned = 0.00039859 Jy ! Component: 1200 - total flux cleaned = 0.000420794 Jy ! Component: 1250 - total flux cleaned = 0.000409672 Jy ! Component: 1300 - total flux cleaned = 0.000420498 Jy ! Component: 1350 - total flux cleaned = 0.000442256 Jy ! Component: 1400 - total flux cleaned = 0.000431567 Jy ! Component: 1450 - total flux cleaned = 0.000420855 Jy ! Component: 1500 - total flux cleaned = 0.000431485 Jy ! Component: 1550 - total flux cleaned = 0.000431456 Jy ! Component: 1600 - total flux cleaned = 0.000441869 Jy ! Component: 1650 - total flux cleaned = 0.000483044 Jy ! Component: 1700 - total flux cleaned = 0.000452338 Jy ! Component: 1750 - total flux cleaned = 0.000442306 Jy ! Component: 1800 - total flux cleaned = 0.000462534 Jy ! Component: 1850 - total flux cleaned = 0.000462589 Jy ! Component: 1900 - total flux cleaned = 0.000442789 Jy ! Component: 1950 - total flux cleaned = 0.000442798 Jy ! Component: 2000 - total flux cleaned = 0.000442877 Jy ! Component: 2050 - total flux cleaned = 0.00044283 Jy ! Component: 2100 - total flux cleaned = 0.000452612 Jy ! Component: 2150 - total flux cleaned = 0.000462146 Jy ! Component: 2200 - total flux cleaned = 0.000443109 Jy ! Component: 2250 - total flux cleaned = 0.000405181 Jy ! Component: 2300 - total flux cleaned = 0.000405222 Jy ! Component: 2350 - total flux cleaned = 0.000386492 Jy ! Component: 2400 - total flux cleaned = 0.000349513 Jy ! Component: 2450 - total flux cleaned = 0.000395491 Jy ! Component: 2500 - total flux cleaned = 0.00033161 Jy ! Component: 2550 - total flux cleaned = 0.000331546 Jy ! Component: 2600 - total flux cleaned = 0.000304489 Jy ! Component: 2650 - total flux cleaned = 0.000304451 Jy ! Component: 2700 - total flux cleaned = 0.000268854 Jy ! Component: 2750 - total flux cleaned = 0.000242266 Jy ! Component: 2800 - total flux cleaned = 0.000286267 Jy ! Component: 2850 - total flux cleaned = 0.000259964 Jy ! Component: 2900 - total flux cleaned = 0.000216447 Jy ! Component: 2950 - total flux cleaned = 0.000190527 Jy ! Component: 3000 - total flux cleaned = 0.000216362 Jy ! Component: 3050 - total flux cleaned = 0.000216413 Jy ! Component: 3100 - total flux cleaned = 0.000199373 Jy ! Component: 3150 - total flux cleaned = 0.000199455 Jy ! Component: 3200 - total flux cleaned = 0.000199452 Jy ! Component: 3250 - total flux cleaned = 0.000174388 Jy ! Component: 3300 - total flux cleaned = 0.000216001 Jy ! Component: 3350 - total flux cleaned = 0.000182882 Jy ! Component: 3400 - total flux cleaned = 0.00019106 Jy ! Component: 3450 - total flux cleaned = 0.000223766 Jy ! Component: 3500 - total flux cleaned = 0.000231951 Jy ! Component: 3550 - total flux cleaned = 0.000223865 Jy ! Component: 3600 - total flux cleaned = 0.000231905 Jy ! Component: 3650 - total flux cleaned = 0.000215859 Jy ! Component: 3700 - total flux cleaned = 0.000223848 Jy ! Component: 3750 - total flux cleaned = 0.000207987 Jy ! Component: 3800 - total flux cleaned = 0.000192232 Jy ! Component: 3850 - total flux cleaned = 0.000176437 Jy ! Component: 3900 - total flux cleaned = 0.000199895 Jy ! Component: 3950 - total flux cleaned = 0.000184337 Jy ! Component: 4000 - total flux cleaned = 0.000176568 Jy ! Component: 4050 - total flux cleaned = 0.000176529 Jy ! Total flux subtracted in 4096 components = 0.000145824 Jy ! Clean residual min=-0.000540 max=0.000430 Jy/beam ! Clean residual mean=-0.000000 rms=0.000132 Jy/beam ! Combined flux in latest and established models = 0.0642447 Jy keep ! Adding 311 model components to the UV plane model. ! The established model now contains 366 components and 0.0642447 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J2251+4030_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9014 x 1.54 at -3.668 degrees (North through East) ! Clean map min=-0.00075057 max=0.05594 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J2251+4030_X_map.fits wmodel /vlbi/uf001/uva//J2251+4030_X_map.mod ! Writing 366 model components to file: /vlbi/uf001/uva//J2251+4030_X_map.mod wobs /vlbi/uf001/uva//J2251+4030_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J2251+4030_X_uvs.fits wwins /vlbi/uf001/uva//J2251+4030_X_map.win ! wwins: Wrote 3 windows to /vlbi/uf001/uva//J2251+4030_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0559399 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000132288 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.709448 0.709448 1.4189 2.83779 5.67558 11.3512 22.7023 45.4047 90.8093 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.055 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 422.863 quit ! Quitting program ! Log file /vlbi/uf001/uva//J2251+4030_X_dfm.log closed on Mon Jan 14 06:26:17 2019