! Started logfile: /vlbi/uf001/uva//J1939+3817_X_dfm.log on Mon Jan 14 05:11:19 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//J1939+3817_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1939+3817_X_uva.fits ! AN table 1: 57 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.848733 visibilities/baseline/integration-bin. ! Found source: J1939+3817 ! ! 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 26124 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 J1939+3817_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 76 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 76 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 76 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 76 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 76 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 76 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 76 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 76 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 76 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 76 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 76 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 76 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.017013Jy sigma=26.058448 ! Fit after self-cal, rms=0.832226Jy sigma=21.288789 ! 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=0.7728 mas, bmaj=1.245 mas, bpa=-11.88 degrees ! Estimated noise=0.342438 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 = 0.120734 Jy ! Component: 100 - total flux cleaned = 0.163191 Jy ! Total flux subtracted in 100 components = 0.163191 Jy ! Clean residual min=-0.005040 max=0.018957 Jy/beam ! Clean residual mean=0.000006 rms=0.001522 Jy/beam ! Combined flux in latest and established models = 0.163191 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.163191 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=0.065516Jy sigma=1.597498 ! Fit after self-cal, rms=0.065466Jy sigma=1.596116 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.020386 Jy ! Component: 100 - total flux cleaned = 0.0304262 Jy ! Total flux subtracted in 100 components = 0.0304262 Jy ! Clean residual min=-0.003733 max=0.005443 Jy/beam ! Clean residual mean=0.000003 rms=0.000940 Jy/beam ! Combined flux in latest and established models = 0.193617 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 8 components and 0.193617 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=0.057245Jy sigma=1.377797 ! Fit after self-cal, rms=0.057229Jy sigma=1.377407 ! 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=0.9844 mas, bmaj=1.507 mas, bpa=-9.959 degrees ! Estimated noise=0.180183 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 = 0.00730016 Jy ! Component: 100 - total flux cleaned = 0.0105721 Jy ! Component: 150 - total flux cleaned = 0.0124025 Jy ! Component: 200 - total flux cleaned = 0.013543 Jy ! Total flux subtracted in 200 components = 0.013543 Jy ! Clean residual min=-0.004766 max=0.006923 Jy/beam ! Clean residual mean=-0.000013 rms=0.001104 Jy/beam ! Combined flux in latest and established models = 0.20716 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 24 components and 0.20716 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=0.056328Jy sigma=1.356063 ! Fit after self-cal, rms=0.056328Jy sigma=1.355945 ! Inverting map ! Added new window around map position (-6.2, -2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00674237 Jy ! Component: 100 - total flux cleaned = 0.0104158 Jy ! Component: 150 - total flux cleaned = 0.0120115 Jy ! Component: 200 - total flux cleaned = 0.0132378 Jy ! Total flux subtracted in 200 components = 0.0132378 Jy ! Clean residual min=-0.004015 max=0.006391 Jy/beam ! Clean residual mean=-0.000010 rms=0.000951 Jy/beam ! Combined flux in latest and established models = 0.220398 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 52 components and 0.220398 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=0.055477Jy sigma=1.332173 ! Fit after self-cal, rms=0.055428Jy sigma=1.330933 ! Inverting map ! Added new window around map position (-2.2, -1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00611888 Jy ! Component: 100 - total flux cleaned = 0.00966969 Jy ! Component: 150 - total flux cleaned = 0.0118585 Jy ! Component: 200 - total flux cleaned = 0.0132882 Jy ! Total flux subtracted in 200 components = 0.0132882 Jy ! Clean residual min=-0.003532 max=0.004454 Jy/beam ! Clean residual mean=-0.000007 rms=0.000785 Jy/beam ! Combined flux in latest and established models = 0.233686 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 76 components and 0.233686 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=0.054736Jy sigma=1.309457 ! Fit after self-cal, rms=0.054665Jy sigma=1.307427 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9844 x 1.507 at -9.959 degrees (North through East) ! Clean map min=-0.0033953 max=0.16578 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.98 HN 0.93 KP 1.03 ! LA 1.00 MK 1.01 NL 1.08 OV 0.92 ! PT 0.93 SC 0.97 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.01 HN 0.95 KP 1.02 ! LA 1.00 MK 1.02 NL 1.09 OV 0.93 ! PT 0.93 SC 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 0.99 HN 0.94 KP 1.04 ! LA 1.01 MK 0.97 NL 1.08 OV 0.92 ! PT 0.95 SC 0.97 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.00 HN 0.95 KP 1.03 ! LA 1.01 MK 1.00 NL 1.08 OV 0.93 ! PT 0.94 SC 0.97 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.99 HN 0.96 KP 1.03 ! LA 1.00 MK 1.01 NL 1.09 OV 0.91 ! PT 0.92 SC 0.96 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.01 HN 0.96 KP 1.03 ! LA 0.99 MK 1.03 NL 1.08 OV 0.94 ! PT 0.94 SC 0.99 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 0.99 HN 0.96 KP 1.02 ! LA 1.01 MK 0.99 NL 1.08 OV 0.94 ! PT 0.91 SC 0.96 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.00 HN 0.97 KP 1.03 ! LA 1.01 MK 1.01 NL 1.09 OV 0.93 ! PT 0.94 SC 0.94 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.00 HN 0.95 KP 1.03 ! LA 0.99 MK 0.99 NL 1.07 OV 0.94 ! PT 0.92 SC 0.96 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.99 HN 0.98 KP 1.03 ! LA 1.01 MK 1.00 NL 1.10 OV 0.92 ! PT 0.93 SC 0.96 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.98 HN 0.95 KP 1.04 ! LA 1.01 MK 0.98 NL 1.10 OV 0.92 ! PT 0.93 SC 0.99 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.00 HN 0.96 KP 1.04 ! LA 1.01 MK 1.07 NL 1.09 OV 0.93 ! PT 0.93 SC 0.98 ! ! ! Fit before self-cal, rms=0.054665Jy sigma=1.307427 ! Fit after self-cal, rms=0.052480Jy sigma=1.262604 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9794 mas, bmaj=1.509 mas, bpa=-9.694 degrees ! Estimated noise=0.17968 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 (-4.6, -0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00153962 Jy ! Component: 100 - total flux cleaned = 0.00194448 Jy ! Component: 150 - total flux cleaned = 0.00204899 Jy ! Component: 200 - total flux cleaned = 0.00204693 Jy ! Total flux subtracted in 200 components = 0.00204693 Jy ! Clean residual min=-0.001450 max=0.001438 Jy/beam ! Clean residual mean=-0.000001 rms=0.000340 Jy/beam ! Combined flux in latest and established models = 0.235733 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 94 components and 0.235733 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=0.052329Jy sigma=1.258703 ! Fit after self-cal, rms=0.052340Jy sigma=1.258168 ! 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=0.052340Jy sigma=1.258168 ! Fit after self-cal, rms=0.052405Jy sigma=1.253063 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9774 mas, bmaj=1.504 mas, bpa=-9.538 degrees ! Estimated noise=0.179818 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000687278 Jy ! Component: 100 - total flux cleaned = 0.000822255 Jy ! Component: 150 - total flux cleaned = 0.000860865 Jy ! Component: 200 - total flux cleaned = 0.000765529 Jy ! Total flux subtracted in 200 components = 0.000765529 Jy ! Clean residual min=-0.001157 max=0.001144 Jy/beam ! Clean residual mean=-0.000002 rms=0.000272 Jy/beam ! Combined flux in latest and established models = 0.236499 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 105 components and 0.236499 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=0.052336Jy sigma=1.251439 ! Fit after self-cal, rms=0.052338Jy sigma=1.251314 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) ! Added new window around map position (30.4, -36.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000906119 Jy ! Component: 100 - total flux cleaned = 0.00100251 Jy ! Component: 150 - total flux cleaned = 0.00100157 Jy ! Component: 200 - total flux cleaned = 0.000977455 Jy ! Total flux subtracted in 200 components = 0.000977455 Jy ! Clean residual min=-0.001151 max=0.001059 Jy/beam ! Clean residual mean=-0.000002 rms=0.000258 Jy/beam ! Combined flux in latest and established models = 0.237476 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 124 components and 0.237476 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=0.052303Jy sigma=1.250457 ! Fit after self-cal, rms=0.052302Jy sigma=1.250421 ! 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=0.052302Jy sigma=1.250421 ! Fit after self-cal, rms=0.052332Jy sigma=1.250119 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9752 mas, bmaj=1.503 mas, bpa=-9.411 degrees ! Estimated noise=0.179922 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000154999 Jy ! Component: 100 - total flux cleaned = 9.60036e-05 Jy ! Component: 150 - total flux cleaned = 0.000197522 Jy ! Component: 200 - total flux cleaned = 0.000197814 Jy ! Total flux subtracted in 200 components = 0.000197814 Jy ! Clean residual min=-0.001111 max=0.000971 Jy/beam ! Clean residual mean=-0.000002 rms=0.000242 Jy/beam ! Combined flux in latest and established models = 0.237674 Jy selfcal ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 135 components and 0.237674 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=0.052303Jy sigma=1.249465 ! Fit after self-cal, rms=0.052303Jy sigma=1.249437 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 = -7.96475e-07 Jy ! Component: 100 - total flux cleaned = -1.83809e-08 Jy ! Component: 150 - total flux cleaned = -2.32393e-07 Jy ! Component: 200 - total flux cleaned = -4.09786e-07 Jy ! Total flux subtracted in 200 components = -4.09786e-07 Jy ! Clean residual min=-0.001091 max=0.000934 Jy/beam ! Clean residual mean=-0.000002 rms=0.000237 Jy/beam ! Combined flux in latest and established models = 0.237674 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 141 components and 0.237673 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=0.052289Jy sigma=1.249098 ! Fit after self-cal, rms=0.052288Jy sigma=1.249090 ! 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=0.052288Jy sigma=1.249090 ! Fit after self-cal, rms=0.052307Jy sigma=1.248945 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.245 mas, bmaj=2.495 mas, bpa=-13.72 degrees ! Estimated noise=0.226972 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.63083e-05 Jy ! Component: 100 - total flux cleaned = 0.000142259 Jy ! Component: 150 - total flux cleaned = 0.000284226 Jy ! Component: 200 - total flux cleaned = 0.000298271 Jy ! Total flux subtracted in 200 components = 0.000298271 Jy ! Clean residual min=-0.001016 max=0.001197 Jy/beam ! Clean residual mean=-0.000003 rms=0.000288 Jy/beam ! Combined flux in latest and established models = 0.237972 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 153 components and 0.237972 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=0.052300Jy sigma=1.248776 ! Fit after self-cal, rms=0.052300Jy sigma=1.248741 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 = -5.35378e-05 Jy ! Component: 100 - total flux cleaned = -4.08972e-05 Jy ! Component: 150 - total flux cleaned = -6.13461e-05 Jy ! Component: 200 - total flux cleaned = -6.10208e-05 Jy ! Total flux subtracted in 200 components = -6.10208e-05 Jy ! Clean residual min=-0.000978 max=0.001150 Jy/beam ! Clean residual mean=-0.000003 rms=0.000283 Jy/beam ! Combined flux in latest and established models = 0.237911 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 160 components and 0.237911 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=0.052297Jy sigma=1.248675 ! Fit after self-cal, rms=0.052296Jy sigma=1.248667 ! 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=0.9732 mas, bmaj=1.503 mas, bpa=-9.307 degrees ! Estimated noise=0.179981 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9732 x 1.503 at -9.307 degrees (North through East) ! Clean map min=-0.0010457 max=0.16505 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=0.7666 mas, bmaj=1.242 mas, bpa=-10.95 degrees ! Estimated noise=0.338556 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.119422 Jy ! Component: 100 - total flux cleaned = 0.16237 Jy ! Component: 150 - total flux cleaned = 0.183397 Jy ! Component: 200 - total flux cleaned = 0.194013 Jy ! Total flux subtracted in 200 components = 0.194013 Jy ! Clean residual min=-0.002608 max=0.005127 Jy/beam ! Clean residual mean=0.000002 rms=0.000688 Jy/beam ! Combined flux in latest and established models = 0.194013 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.194013 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9732 mas, bmaj=1.503 mas, bpa=-9.307 degrees ! Estimated noise=0.179981 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 = 0.0093433 Jy ! Component: 100 - total flux cleaned = 0.0157024 Jy ! Component: 150 - total flux cleaned = 0.020548 Jy ! Component: 200 - total flux cleaned = 0.0243075 Jy ! Total flux subtracted in 200 components = 0.0243075 Jy ! Clean residual min=-0.001594 max=0.002202 Jy/beam ! Clean residual mean=-0.000007 rms=0.000425 Jy/beam ! Combined flux in latest and established models = 0.218321 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 35 components and 0.218321 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00294372 Jy ! Component: 100 - total flux cleaned = 0.00526881 Jy ! Component: 150 - total flux cleaned = 0.00714142 Jy ! Component: 200 - total flux cleaned = 0.00869897 Jy ! Total flux subtracted in 200 components = 0.00869897 Jy ! Clean residual min=-0.001179 max=0.001096 Jy/beam ! Clean residual mean=-0.000004 rms=0.000292 Jy/beam ! Combined flux in latest and established models = 0.22702 Jy ! Adding 42 model components to the UV plane model. ! The established model now contains 65 components and 0.22702 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=2.245 mas, bmaj=2.495 mas, bpa=-13.72 degrees ! Estimated noise=0.226972 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00226786 Jy ! Component: 100 - total flux cleaned = 0.00386071 Jy ! Component: 150 - total flux cleaned = 0.00509438 Jy ! Component: 200 - total flux cleaned = 0.00608292 Jy ! Total flux subtracted in 200 components = 0.00608292 Jy ! Clean residual min=-0.001211 max=0.001285 Jy/beam ! Clean residual mean=-0.000007 rms=0.000331 Jy/beam ! Combined flux in latest and established models = 0.233103 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 = 0.000811219 Jy ! Component: 100 - total flux cleaned = 0.0014851 Jy ! Component: 150 - total flux cleaned = 0.00204982 Jy ! Component: 200 - total flux cleaned = 0.00252565 Jy ! Total flux subtracted in 200 components = 0.00252565 Jy ! Clean residual min=-0.001088 max=0.001196 Jy/beam ! Clean residual mean=-0.000005 rms=0.000298 Jy/beam ! Combined flux in latest and established models = 0.235628 Jy ! Adding 98 model components to the UV plane model. ! The established model now contains 145 components and 0.235628 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9732 mas, bmaj=1.503 mas, bpa=-9.307 degrees ! Estimated noise=0.179981 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000118076 Jy ! Component: 100 - total flux cleaned = 0.000285914 Jy ! Component: 150 - total flux cleaned = 0.000371387 Jy ! Component: 200 - total flux cleaned = 0.000448955 Jy ! Total flux subtracted in 200 components = 0.000448955 Jy ! Clean residual min=-0.001070 max=0.000830 Jy/beam ! Clean residual mean=-0.000002 rms=0.000229 Jy/beam ! Combined flux in latest and established models = 0.236077 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 159 components and 0.236077 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=0.052293Jy sigma=1.248660 ! Fit after self-cal, rms=0.052287Jy sigma=1.248574 wmodel J1939+3817_X_map.mod ! Writing 159 model components to file: J1939+3817_X_map.mod wobs J1939+3817_X_uvs.fits ! Writing UV FITS file: J1939+3817_X_uvs.fits wwins J1939+3817_X_map.win ! wwins: Wrote 5 windows to J1939+3817_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 = -0.000463364 Jy ! Component: 100 - total flux cleaned = -0.00082613 Jy ! Component: 150 - total flux cleaned = -0.00103149 Jy ! Component: 200 - total flux cleaned = -0.00116994 Jy ! Component: 250 - total flux cleaned = -0.00130541 Jy ! Component: 300 - total flux cleaned = -0.0013791 Jy ! Component: 350 - total flux cleaned = -0.00146574 Jy ! Component: 400 - total flux cleaned = -0.00149393 Jy ! Component: 450 - total flux cleaned = -0.00154968 Jy ! Component: 500 - total flux cleaned = -0.00156354 Jy ! Component: 550 - total flux cleaned = -0.00156367 Jy ! Component: 600 - total flux cleaned = -0.00160385 Jy ! Component: 650 - total flux cleaned = -0.00163019 Jy ! Component: 700 - total flux cleaned = -0.0016432 Jy ! Component: 750 - total flux cleaned = -0.00170707 Jy ! Component: 800 - total flux cleaned = -0.00174485 Jy ! Component: 850 - total flux cleaned = -0.00178226 Jy ! Component: 900 - total flux cleaned = -0.00181932 Jy ! Component: 950 - total flux cleaned = -0.00188021 Jy ! Component: 1000 - total flux cleaned = -0.00191629 Jy ! Component: 1050 - total flux cleaned = -0.00199956 Jy ! Component: 1100 - total flux cleaned = -0.00203477 Jy ! Component: 1150 - total flux cleaned = -0.00205831 Jy ! Component: 1200 - total flux cleaned = -0.00211597 Jy ! Component: 1250 - total flux cleaned = -0.00213873 Jy ! Component: 1300 - total flux cleaned = -0.00219509 Jy ! Component: 1350 - total flux cleaned = -0.00218373 Jy ! Component: 1400 - total flux cleaned = -0.00220611 Jy ! Component: 1450 - total flux cleaned = -0.00227218 Jy ! Component: 1500 - total flux cleaned = -0.00229397 Jy ! Component: 1550 - total flux cleaned = -0.00231559 Jy ! Component: 1600 - total flux cleaned = -0.00235853 Jy ! Component: 1650 - total flux cleaned = -0.00239035 Jy ! Component: 1700 - total flux cleaned = -0.00244311 Jy ! Component: 1750 - total flux cleaned = -0.00243256 Jy ! Component: 1800 - total flux cleaned = -0.00244308 Jy ! Component: 1850 - total flux cleaned = -0.00248427 Jy ! Component: 1900 - total flux cleaned = -0.00250459 Jy ! Component: 1950 - total flux cleaned = -0.00248423 Jy ! Component: 2000 - total flux cleaned = -0.00252447 Jy ! Component: 2050 - total flux cleaned = -0.00252447 Jy ! Component: 2100 - total flux cleaned = -0.00258389 Jy ! Component: 2150 - total flux cleaned = -0.00258396 Jy ! Component: 2200 - total flux cleaned = -0.00261312 Jy ! Component: 2250 - total flux cleaned = -0.00262281 Jy ! Component: 2300 - total flux cleaned = -0.00268027 Jy ! Component: 2350 - total flux cleaned = -0.00269917 Jy ! Component: 2400 - total flux cleaned = -0.00271814 Jy ! Component: 2450 - total flux cleaned = -0.00275553 Jy ! Component: 2500 - total flux cleaned = -0.00277427 Jy ! Component: 2550 - total flux cleaned = -0.00281121 Jy ! Component: 2600 - total flux cleaned = -0.00283876 Jy ! Component: 2650 - total flux cleaned = -0.00291145 Jy ! Component: 2700 - total flux cleaned = -0.00294757 Jy ! Component: 2750 - total flux cleaned = -0.00297448 Jy ! Component: 2800 - total flux cleaned = -0.00299223 Jy ! Component: 2850 - total flux cleaned = -0.00297451 Jy ! Component: 2900 - total flux cleaned = -0.00303604 Jy ! Component: 2950 - total flux cleaned = -0.00303607 Jy ! Component: 3000 - total flux cleaned = -0.00304468 Jy ! Component: 3050 - total flux cleaned = -0.00306191 Jy ! Component: 3100 - total flux cleaned = -0.00308762 Jy ! Component: 3150 - total flux cleaned = -0.0031132 Jy ! Component: 3200 - total flux cleaned = -0.0031471 Jy ! Component: 3250 - total flux cleaned = -0.00315549 Jy ! Component: 3300 - total flux cleaned = -0.00317226 Jy ! Component: 3350 - total flux cleaned = -0.00318896 Jy ! Component: 3400 - total flux cleaned = -0.00323844 Jy ! Component: 3450 - total flux cleaned = -0.00326303 Jy ! Component: 3500 - total flux cleaned = -0.00328747 Jy ! Component: 3550 - total flux cleaned = -0.00330368 Jy ! Component: 3600 - total flux cleaned = -0.00331976 Jy ! Component: 3650 - total flux cleaned = -0.00335185 Jy ! Component: 3700 - total flux cleaned = -0.00335978 Jy ! Component: 3750 - total flux cleaned = -0.00341514 Jy ! Component: 3800 - total flux cleaned = -0.00338358 Jy ! Component: 3850 - total flux cleaned = -0.00343056 Jy ! Component: 3900 - total flux cleaned = -0.0034616 Jy ! Component: 3950 - total flux cleaned = -0.00347714 Jy ! Component: 4000 - total flux cleaned = -0.00350795 Jy ! Component: 4050 - total flux cleaned = -0.00351555 Jy ! Total flux subtracted in 4096 components = -0.00354604 Jy ! Clean residual min=-0.000456 max=0.000432 Jy/beam ! Clean residual mean=-0.000001 rms=0.000130 Jy/beam ! Combined flux in latest and established models = 0.232531 Jy keep ! Adding 308 model components to the UV plane model. ! The established model now contains 467 components and 0.232531 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1939+3817_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9732 x 1.503 at -9.307 degrees (North through East) ! Clean map min=-0.00082568 max=0.16522 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1939+3817_X_map.fits wmodel /vlbi/uf001/uva//J1939+3817_X_map.mod ! Writing 467 model components to file: /vlbi/uf001/uva//J1939+3817_X_map.mod wobs /vlbi/uf001/uva//J1939+3817_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1939+3817_X_uvs.fits wwins /vlbi/uf001/uva//J1939+3817_X_map.win ! wwins: Wrote 6 windows to /vlbi/uf001/uva//J1939+3817_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.165217 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00012913 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.234473 0.234473 0.468946 0.937893 1.87579 3.75157 7.50314 15.0063 30.0126 60.0251 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.165 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1279.46 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1939+3817_X_dfm.log closed on Mon Jan 14 05:11:25 2019