! Started logfile: /vlbi/bp222/maps//J1642+6856_X_dfm.log on Mon Jan 14 17:05:44 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/bp222/maps//J1642+6856_X_uva.fits ! Reading UV FITS file: /vlbi/bp222/maps//J1642+6856_X_uva.fits ! AN table 1: 15 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.92381 visibilities/baseline/integration-bin. ! Found source: J1642+6856 ! ! 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 108 lines of history. ! ! Reading 4656 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 J1642+6856_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 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 6 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.501490Jy sigma=19.021833 ! Fit after self-cal, rms=0.259262Jy sigma=3.573834 ! 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=0.5378 mas, bmaj=2.67 mas, bpa=21.19 degrees ! Estimated noise=1.51549 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 = 0.814277 Jy ! Component: 100 - total flux cleaned = 1.0489 Jy ! Total flux subtracted in 100 components = 1.0489 Jy ! Clean residual min=-0.057138 max=0.100380 Jy/beam ! Clean residual mean=0.000005 rms=0.014422 Jy/beam ! Combined flux in latest and established models = 1.0489 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 1.0489 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=0.201447Jy sigma=2.543351 ! Fit after self-cal, rms=0.200132Jy sigma=2.536265 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.108619 Jy ! Component: 100 - total flux cleaned = 0.170893 Jy ! Total flux subtracted in 100 components = 0.170893 Jy ! Clean residual min=-0.038565 max=0.036097 Jy/beam ! Clean residual mean=0.000000 rms=0.007434 Jy/beam ! Combined flux in latest and established models = 1.21979 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 16 components and 1.21979 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=0.117911Jy sigma=1.424087 ! Fit after self-cal, rms=0.116482Jy sigma=1.414241 ! 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=0.6764 mas, bmaj=2.453 mas, bpa=20.1 degrees ! Estimated noise=0.840098 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 (4.8, -9.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0537748 Jy ! Component: 100 - total flux cleaned = 0.0817533 Jy ! Component: 150 - total flux cleaned = 0.0930362 Jy ! Component: 200 - total flux cleaned = 0.0954676 Jy ! Total flux subtracted in 200 components = 0.0954676 Jy ! Clean residual min=-0.020885 max=0.023316 Jy/beam ! Clean residual mean=-0.000005 rms=0.004553 Jy/beam ! Combined flux in latest and established models = 1.31526 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 40 components and 1.31526 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=0.078847Jy sigma=0.957751 ! Fit after self-cal, rms=0.077774Jy sigma=0.948630 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6764 x 2.453 at 20.1 degrees (North through East) ! Clean map min=-0.018137 max=1.0439 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.98 HN 1.02 KP 1.04 ! MK 1.01 NL 0.97 OV 0.96 SC 0.99 ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.97 HN 1.01 KP 1.05 ! MK 1.01 NL 0.97 OV 0.97 SC 0.99 ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.97 HN 1.01 KP 1.06 ! MK 1.01 NL 0.97 OV 0.96 SC 0.98 ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.98 HN 1.00 KP 1.05 ! MK 1.02 NL 0.97 OV 0.96 SC 0.99 ! ! ! Correcting IF 5. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.98 HN 1.00 KP 1.05 ! MK 1.01 NL 0.97 OV 0.97 SC 0.99 ! ! ! Correcting IF 6. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.98 HN 1.00 KP 1.06 ! MK 1.02 NL 0.97 OV 0.96 SC 0.98 ! ! ! Correcting IF 7. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.97 HN 1.02 KP 1.04 ! MK 1.01 NL 0.98 OV 0.95 SC 0.99 ! ! ! Correcting IF 8. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.97 HN 1.02 KP 1.05 ! MK 1.01 NL 0.98 OV 0.95 SC 1.00 ! ! ! Correcting IF 9. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.97 HN 1.01 KP 1.05 ! MK 1.01 NL 0.97 OV 0.96 SC 0.99 ! ! ! Correcting IF 10. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.97 HN 1.01 KP 1.04 ! MK 1.01 NL 0.97 OV 0.95 SC 0.99 ! ! ! Correcting IF 11. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.97 HN 1.00 KP 1.04 ! MK 1.02 NL 0.97 OV 0.95 SC 0.98 ! ! ! Correcting IF 12. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.96 HN 1.01 KP 1.05 ! MK 1.00 NL 0.98 OV 0.95 SC 1.00 ! ! ! Fit before self-cal, rms=0.077774Jy sigma=0.948630 ! Fit after self-cal, rms=0.066243Jy sigma=0.811011 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.678 mas, bmaj=2.451 mas, bpa=20.21 degrees ! Estimated noise=0.839011 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 = 0.00547244 Jy ! Component: 100 - total flux cleaned = 0.0113743 Jy ! Component: 150 - total flux cleaned = 0.014251 Jy ! Component: 200 - total flux cleaned = 0.0166167 Jy ! Total flux subtracted in 200 components = 0.0166167 Jy ! Clean residual min=-0.011010 max=0.011640 Jy/beam ! Clean residual mean=-0.000001 rms=0.002415 Jy/beam ! Combined flux in latest and established models = 1.33188 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 62 components and 1.33188 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=0.062430Jy sigma=0.758190 ! Fit after self-cal, rms=0.062046Jy sigma=0.755919 ! 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=0.062046Jy sigma=0.755919 ! Fit after self-cal, rms=0.061811Jy sigma=0.754064 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.6773 mas, bmaj=2.451 mas, bpa=20.2 degrees ! Estimated noise=0.839898 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00582307 Jy ! Component: 100 - total flux cleaned = 0.00783148 Jy ! Component: 150 - total flux cleaned = 0.00841596 Jy ! Component: 200 - total flux cleaned = 0.00874637 Jy ! Total flux subtracted in 200 components = 0.00874637 Jy ! Clean residual min=-0.009227 max=0.010312 Jy/beam ! Clean residual mean=-0.000001 rms=0.002083 Jy/beam ! Combined flux in latest and established models = 1.34062 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 69 components and 1.34062 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=0.060461Jy sigma=0.736580 ! Fit after self-cal, rms=0.060359Jy sigma=0.735694 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 (14.4, 22.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00475235 Jy ! Component: 100 - total flux cleaned = 0.00415486 Jy ! Component: 150 - total flux cleaned = 0.0041688 Jy ! Component: 200 - total flux cleaned = 0.00366261 Jy ! Total flux subtracted in 200 components = 0.00366261 Jy ! Clean residual min=-0.006463 max=0.007251 Jy/beam ! Clean residual mean=0.000000 rms=0.001490 Jy/beam ! Combined flux in latest and established models = 1.34429 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 85 components and 1.34429 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=0.058056Jy sigma=0.709314 ! Fit after self-cal, rms=0.058038Jy sigma=0.708816 ! Inverting map ! Added new window around map position (-11, -25.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00582431 Jy ! Component: 100 - total flux cleaned = 0.00761417 Jy ! Component: 150 - total flux cleaned = 0.00991385 Jy ! Component: 200 - total flux cleaned = 0.0117186 Jy ! Total flux subtracted in 200 components = 0.0117186 Jy ! Clean residual min=-0.005152 max=0.005016 Jy/beam ! Clean residual mean=-0.000001 rms=0.001141 Jy/beam ! Combined flux in latest and established models = 1.35601 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 106 components and 1.35601 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=0.056889Jy sigma=0.695075 ! Fit after self-cal, rms=0.056854Jy sigma=0.694409 ! 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=0.056854Jy sigma=0.694409 ! Fit after self-cal, rms=0.056768Jy sigma=0.693394 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.6769 mas, bmaj=2.451 mas, bpa=20.21 degrees ! Estimated noise=0.840092 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00127864 Jy ! Component: 100 - total flux cleaned = 0.00269625 Jy ! Component: 150 - total flux cleaned = 0.00418535 Jy ! Component: 200 - total flux cleaned = 0.0056633 Jy ! Total flux subtracted in 200 components = 0.0056633 Jy ! Clean residual min=-0.003982 max=0.004452 Jy/beam ! Clean residual mean=-0.000000 rms=0.000954 Jy/beam ! Combined flux in latest and established models = 1.36167 Jy selfcal ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 120 components and 1.36167 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=0.056401Jy sigma=0.688750 ! Fit after self-cal, rms=0.056397Jy sigma=0.688659 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 (-8.6, 2.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000488755 Jy ! Component: 100 - total flux cleaned = 0.00108347 Jy ! Component: 150 - total flux cleaned = 0.00176595 Jy ! Component: 200 - total flux cleaned = 0.00245819 Jy ! Total flux subtracted in 200 components = 0.00245819 Jy ! Clean residual min=-0.003228 max=0.003018 Jy/beam ! Clean residual mean=-0.000000 rms=0.000766 Jy/beam ! Combined flux in latest and established models = 1.36413 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 138 components and 1.36413 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=0.055902Jy sigma=0.682724 ! Fit after self-cal, rms=0.055870Jy sigma=0.682544 ! 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=0.055870Jy sigma=0.682544 ! Fit after self-cal, rms=0.055871Jy sigma=0.682368 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.582 mas, bmaj=2.486 mas, bpa=20.96 degrees ! Estimated noise=1.29912 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000788274 Jy ! Component: 100 - total flux cleaned = 0.00225505 Jy ! Component: 150 - total flux cleaned = 0.00361539 Jy ! Component: 200 - total flux cleaned = 0.00474355 Jy ! Total flux subtracted in 200 components = 0.00474355 Jy ! Clean residual min=-0.002757 max=0.002595 Jy/beam ! Clean residual mean=-0.000001 rms=0.000746 Jy/beam ! Combined flux in latest and established models = 1.36887 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 157 components and 1.36887 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=0.055755Jy sigma=0.681433 ! Fit after self-cal, rms=0.055753Jy sigma=0.681269 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000794464 Jy ! Component: 100 - total flux cleaned = 0.00139546 Jy ! Component: 150 - total flux cleaned = 0.00176239 Jy ! Component: 200 - total flux cleaned = 0.00210354 Jy ! Total flux subtracted in 200 components = 0.00210354 Jy ! Clean residual min=-0.002347 max=0.002331 Jy/beam ! Clean residual mean=-0.000001 rms=0.000639 Jy/beam ! Combined flux in latest and established models = 1.37097 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 179 components and 1.37097 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=0.055718Jy sigma=0.680979 ! Fit after self-cal, rms=0.055717Jy sigma=0.680922 ! 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=0.6769 mas, bmaj=2.451 mas, bpa=20.22 degrees ! Estimated noise=0.84005 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6769 x 2.451 at 20.22 degrees (North through East) ! Clean map min=-0.011263 max=1.0401 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 ! Performing amp+phase self-cal ! ! 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=0.055717Jy sigma=0.680922 ! Fit after self-cal, rms=0.052237Jy sigma=0.611708 ! Inverting map and beam ! Estimated beam: bmin=0.6768 mas, bmaj=2.452 mas, bpa=20.22 degrees ! Estimated noise=0.839739 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000665809 Jy ! Component: 100 - total flux cleaned = 0.0010083 Jy ! Component: 150 - total flux cleaned = 0.000945525 Jy ! Component: 200 - total flux cleaned = 0.00105218 Jy ! Total flux subtracted in 200 components = 0.00105218 Jy ! Clean residual min=-0.002535 max=0.002635 Jy/beam ! Clean residual mean=-0.000001 rms=0.000593 Jy/beam ! Combined flux in latest and established models = 1.37203 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 197 components and 1.37203 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=0.052053Jy sigma=0.610078 ! Fit after self-cal, rms=0.052042Jy sigma=0.610005 ! Inverting map ! Added new window around map position (-32.8, -43.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00153771 Jy ! Component: 100 - total flux cleaned = 0.00165721 Jy ! Component: 150 - total flux cleaned = 0.00186794 Jy ! Component: 200 - total flux cleaned = 0.00192108 Jy ! Total flux subtracted in 200 components = 0.00192108 Jy ! Clean residual min=-0.002248 max=0.002040 Jy/beam ! Clean residual mean=-0.000000 rms=0.000527 Jy/beam ! Combined flux in latest and established models = 1.37395 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 217 components and 1.37395 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=0.051882Jy sigma=0.608380 ! Fit after self-cal, rms=0.051878Jy sigma=0.608322 ! Inverting map ! Performing amp+phase self-cal ! ! 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=0.051878Jy sigma=0.608322 ! Fit after self-cal, rms=0.051866Jy sigma=0.608215 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=0.5388 mas, bmaj=2.683 mas, bpa=21.24 degrees ! Estimated noise=1.50914 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.809159 Jy ! Component: 100 - total flux cleaned = 1.03997 Jy ! Component: 150 - total flux cleaned = 1.14617 Jy ! Component: 200 - total flux cleaned = 1.20537 Jy ! Total flux subtracted in 200 components = 1.20537 Jy ! Clean residual min=-0.028515 max=0.032118 Jy/beam ! Clean residual mean=0.000002 rms=0.006261 Jy/beam ! Combined flux in latest and established models = 1.20537 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 17 model components to the UV plane model. ! The established model now contains 17 components and 1.20537 Jy ! Inverting map and beam ! Estimated beam: bmin=0.6768 mas, bmaj=2.452 mas, bpa=20.22 degrees ! Estimated noise=0.839502 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 = 0.0518213 Jy ! Component: 100 - total flux cleaned = 0.0838742 Jy ! Component: 150 - total flux cleaned = 0.101106 Jy ! Component: 200 - total flux cleaned = 0.114271 Jy ! Total flux subtracted in 200 components = 0.114271 Jy ! Clean residual min=-0.012749 max=0.013398 Jy/beam ! Clean residual mean=-0.000001 rms=0.003082 Jy/beam ! Combined flux in latest and established models = 1.31964 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 34 components and 1.31964 Jy ! Inverting map ! Added new window around map position (2.8, 1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00725808 Jy ! Component: 100 - total flux cleaned = 0.0137622 Jy ! Component: 150 - total flux cleaned = 0.0187921 Jy ! Component: 200 - total flux cleaned = 0.0227644 Jy ! Total flux subtracted in 200 components = 0.0227644 Jy ! Clean residual min=-0.007396 max=0.007222 Jy/beam ! Clean residual mean=-0.000000 rms=0.001797 Jy/beam ! Combined flux in latest and established models = 1.3424 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 58 components and 1.3424 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=1.582 mas, bmaj=2.486 mas, bpa=20.96 degrees ! Estimated noise=1.29832 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00791935 Jy ! Component: 100 - total flux cleaned = 0.0124674 Jy ! Component: 150 - total flux cleaned = 0.0155006 Jy ! Component: 200 - total flux cleaned = 0.0177393 Jy ! Total flux subtracted in 200 components = 0.0177393 Jy ! Clean residual min=-0.004053 max=0.003733 Jy/beam ! Clean residual mean=-0.000001 rms=0.001107 Jy/beam ! Combined flux in latest and established models = 1.36014 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 = 0.0019906 Jy ! Component: 100 - total flux cleaned = 0.00353455 Jy ! Component: 150 - total flux cleaned = 0.00483834 Jy ! Component: 200 - total flux cleaned = 0.00577628 Jy ! Total flux subtracted in 200 components = 0.00577628 Jy ! Clean residual min=-0.002777 max=0.002323 Jy/beam ! Clean residual mean=-0.000001 rms=0.000674 Jy/beam ! Combined flux in latest and established models = 1.36592 Jy ! Adding 51 model components to the UV plane model. ! The established model now contains 101 components and 1.36592 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.6768 mas, bmaj=2.452 mas, bpa=20.22 degrees ! Estimated noise=0.839502 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000329539 Jy ! Component: 100 - total flux cleaned = 0.00185385 Jy ! Component: 150 - total flux cleaned = 0.00315368 Jy ! Component: 200 - total flux cleaned = 0.00397239 Jy ! Total flux subtracted in 200 components = 0.00397239 Jy ! Clean residual min=-0.004437 max=0.003714 Jy/beam ! Clean residual mean=-0.000000 rms=0.000870 Jy/beam ! Combined flux in latest and established models = 1.36989 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 125 components and 1.36989 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=0.052752Jy sigma=0.623394 ! Fit after self-cal, rms=0.052694Jy sigma=0.622479 wmodel J1642+6856_X_map.mod ! Writing 125 model components to file: J1642+6856_X_map.mod wobs J1642+6856_X_uvs.fits ! Writing UV FITS file: J1642+6856_X_uvs.fits wwins J1642+6856_X_map.win ! wwins: Wrote 7 windows to J1642+6856_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 = -0.00123008 Jy ! Component: 100 - total flux cleaned = -0.00172879 Jy ! Component: 150 - total flux cleaned = -0.00225888 Jy ! Component: 200 - total flux cleaned = -0.00247996 Jy ! Component: 250 - total flux cleaned = -0.00268889 Jy ! Component: 300 - total flux cleaned = -0.0029399 Jy ! Component: 350 - total flux cleaned = -0.00322822 Jy ! Component: 400 - total flux cleaned = -0.00341139 Jy ! Component: 450 - total flux cleaned = -0.00354233 Jy ! Component: 500 - total flux cleaned = -0.0036712 Jy ! Component: 550 - total flux cleaned = -0.00383613 Jy ! Component: 600 - total flux cleaned = -0.00383544 Jy ! Component: 650 - total flux cleaned = -0.00391342 Jy ! Component: 700 - total flux cleaned = -0.0040625 Jy ! Component: 750 - total flux cleaned = -0.00406163 Jy ! Component: 800 - total flux cleaned = -0.00406222 Jy ! Component: 850 - total flux cleaned = -0.00402815 Jy ! Component: 900 - total flux cleaned = -0.00402885 Jy ! Component: 950 - total flux cleaned = -0.00409347 Jy ! Component: 1000 - total flux cleaned = -0.00403103 Jy ! Component: 1050 - total flux cleaned = -0.00412429 Jy ! Component: 1100 - total flux cleaned = -0.00409397 Jy ! Component: 1150 - total flux cleaned = -0.00403478 Jy ! Component: 1200 - total flux cleaned = -0.00403541 Jy ! Component: 1250 - total flux cleaned = -0.00409189 Jy ! Component: 1300 - total flux cleaned = -0.00406459 Jy ! Component: 1350 - total flux cleaned = -0.0040379 Jy ! Component: 1400 - total flux cleaned = -0.00409133 Jy ! Component: 1450 - total flux cleaned = -0.0041427 Jy ! Component: 1500 - total flux cleaned = -0.00416806 Jy ! Component: 1550 - total flux cleaned = -0.004192 Jy ! Component: 1600 - total flux cleaned = -0.00416777 Jy ! Component: 1650 - total flux cleaned = -0.00421588 Jy ! Component: 1700 - total flux cleaned = -0.00419244 Jy ! Component: 1750 - total flux cleaned = -0.00421559 Jy ! Component: 1800 - total flux cleaned = -0.00421572 Jy ! Component: 1850 - total flux cleaned = -0.00423787 Jy ! Component: 1900 - total flux cleaned = -0.00421556 Jy ! Component: 1950 - total flux cleaned = -0.00421555 Jy ! Component: 2000 - total flux cleaned = -0.00423662 Jy ! Component: 2050 - total flux cleaned = -0.00423683 Jy ! Component: 2100 - total flux cleaned = -0.00431878 Jy ! Component: 2150 - total flux cleaned = -0.00425801 Jy ! Component: 2200 - total flux cleaned = -0.0042782 Jy ! Component: 2250 - total flux cleaned = -0.00427851 Jy ! Component: 2300 - total flux cleaned = -0.0042596 Jy ! Component: 2350 - total flux cleaned = -0.00431628 Jy ! Component: 2400 - total flux cleaned = -0.00433491 Jy ! Component: 2450 - total flux cleaned = -0.00433494 Jy ! Component: 2500 - total flux cleaned = -0.0042988 Jy ! Component: 2550 - total flux cleaned = -0.00435281 Jy ! Component: 2600 - total flux cleaned = -0.00437034 Jy ! Component: 2650 - total flux cleaned = -0.00438748 Jy ! Component: 2700 - total flux cleaned = -0.00437027 Jy ! Component: 2750 - total flux cleaned = -0.00437045 Jy ! Component: 2800 - total flux cleaned = -0.00438707 Jy ! Component: 2850 - total flux cleaned = -0.00432113 Jy ! Component: 2900 - total flux cleaned = -0.00432146 Jy ! Component: 2950 - total flux cleaned = -0.00432153 Jy ! Component: 3000 - total flux cleaned = -0.00430572 Jy ! Component: 3050 - total flux cleaned = -0.00432149 Jy ! Component: 3100 - total flux cleaned = -0.00430584 Jy ! Component: 3150 - total flux cleaned = -0.00425985 Jy ! Component: 3200 - total flux cleaned = -0.00425988 Jy ! Component: 3250 - total flux cleaned = -0.00429033 Jy ! Component: 3300 - total flux cleaned = -0.00430531 Jy ! Component: 3350 - total flux cleaned = -0.0043052 Jy ! Component: 3400 - total flux cleaned = -0.0043051 Jy ! Component: 3450 - total flux cleaned = -0.00431954 Jy ! Component: 3500 - total flux cleaned = -0.00429092 Jy ! Component: 3550 - total flux cleaned = -0.00427689 Jy ! Component: 3600 - total flux cleaned = -0.00426283 Jy ! Component: 3650 - total flux cleaned = -0.00422123 Jy ! Component: 3700 - total flux cleaned = -0.00420709 Jy ! Component: 3750 - total flux cleaned = -0.00412513 Jy ! Component: 3800 - total flux cleaned = -0.00412532 Jy ! Component: 3850 - total flux cleaned = -0.00408506 Jy ! Component: 3900 - total flux cleaned = -0.00403174 Jy ! Component: 3950 - total flux cleaned = -0.00397887 Jy ! Component: 4000 - total flux cleaned = -0.00391348 Jy ! Component: 4050 - total flux cleaned = -0.00390047 Jy ! Total flux subtracted in 4096 components = -0.0038619 Jy ! Clean residual min=-0.000746 max=0.000697 Jy/beam ! Clean residual mean=-0.000000 rms=0.000224 Jy/beam ! Combined flux in latest and established models = 1.36603 Jy keep ! Adding 258 model components to the UV plane model. ! The established model now contains 382 components and 1.36603 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J1642+6856_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6768 x 2.452 at 20.22 degrees (North through East) ! Clean map min=-0.0087925 max=1.0412 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J1642+6856_X_map.fits wmodel /vlbi/bp222/maps//J1642+6856_X_map.mod ! Writing 382 model components to file: /vlbi/bp222/maps//J1642+6856_X_map.mod wobs /vlbi/bp222/maps//J1642+6856_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J1642+6856_X_uvs.fits wwins /vlbi/bp222/maps//J1642+6856_X_map.win ! wwins: Wrote 8 windows to /vlbi/bp222/maps//J1642+6856_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 1.04121 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000224884 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0647947 0.0647947 0.129589 0.259179 0.518358 1.03672 2.07343 4.14686 8.29373 16.5875 33.1749 66.3498 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak= ", int(1000*peak_flux)/1000 ! peak= 1.041 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 4630 quit ! Quitting program ! Log file /vlbi/bp222/maps//J1642+6856_X_dfm.log closed on Mon Jan 14 17:05:48 2019