! Started logfile: /vlbi/bp222/maps//J1902+3159_X_dfm.log on Thu Sep 27 11:31:23 2018 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//J1902+3159_X_uva.fits ! Reading UV FITS file: /vlbi/bp222/maps//J1902+3159_X_uva.fits ! AN table 1: 16 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.9375 visibilities/baseline/integration-bin. ! Found source: J1902+3159 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 121 lines of history. ! ! Reading 6480 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 J1902+3159_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 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.474077Jy sigma=17.216162 ! Fit after self-cal, rms=0.312748Jy sigma=3.692187 ! 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=0.7 mas, bmaj=2.042 mas, bpa=27.32 degrees ! Estimated noise=1.40906 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 = 0.719799 Jy ! Component: 100 - total flux cleaned = 0.937902 Jy ! Total flux subtracted in 100 components = 0.937902 Jy ! Clean residual min=-0.068858 max=0.103191 Jy/beam ! Clean residual mean=0.000159 rms=0.017570 Jy/beam ! Combined flux in latest and established models = 0.937903 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.937903 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=0.312102Jy sigma=3.591179 ! Fit after self-cal, rms=0.310808Jy sigma=3.581396 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.119572 Jy ! Component: 100 - total flux cleaned = 0.188401 Jy ! Total flux subtracted in 100 components = 0.188401 Jy ! Clean residual min=-0.049983 max=0.060070 Jy/beam ! Clean residual mean=0.000066 rms=0.012094 Jy/beam ! Combined flux in latest and established models = 1.1263 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 14 components and 1.1263 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=0.218495Jy sigma=2.484961 ! Fit after self-cal, rms=0.216436Jy sigma=2.471668 ! 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=0.8748 mas, bmaj=2.107 mas, bpa=25.78 degrees ! Estimated noise=0.783175 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 = 0.0922575 Jy ! Component: 100 - total flux cleaned = 0.143157 Jy ! Component: 150 - total flux cleaned = 0.176621 Jy ! Component: 200 - total flux cleaned = 0.190913 Jy ! Total flux subtracted in 200 components = 0.190913 Jy ! Clean residual min=-0.052129 max=0.077530 Jy/beam ! Clean residual mean=-0.000130 rms=0.016332 Jy/beam ! Combined flux in latest and established models = 1.31722 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 33 components and 1.31722 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=0.171323Jy sigma=1.929649 ! Fit after self-cal, rms=0.169786Jy sigma=1.915733 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8748 x 2.107 at 25.78 degrees (North through East) ! Clean map min=-0.049327 max=1.0267 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.99 HN 0.93 KP 1.00 ! LA 0.92 MK 0.99 NL 1.15 PT 0.90 ! SC 1.04 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.00 HN 0.92 KP 1.00 ! LA 0.92 MK 0.99 NL 1.16 PT 0.92 ! SC 1.02 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.99 HN 0.92 KP 1.02 ! LA 0.93 MK 0.99 NL 1.16 PT 0.90 ! SC 1.01 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.99 HN 0.93 KP 1.02 ! LA 0.94 MK 1.00 NL 1.16 PT 0.91 ! SC 1.03 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.98 HN 0.94 KP 1.03 ! LA 0.93 MK 1.01 NL 1.17 PT 0.91 ! SC 1.01 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.98 HN 0.94 KP 1.02 ! LA 0.94 MK 1.01 NL 1.17 PT 0.90 ! SC 1.01 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.98 HN 0.94 KP 1.02 ! LA 0.94 MK 1.01 NL 1.19 PT 0.91 ! SC 1.00 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.96 HN 0.95 KP 1.04 ! LA 0.94 MK 1.00 NL 1.21 PT 0.90 ! SC 1.01 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.97 HN 0.95 KP 1.02 ! LA 0.94 MK 1.03 NL 1.21 PT 0.90 ! SC 1.00 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.98 HN 0.95 KP 1.01 ! LA 0.93 MK 1.03 NL 1.21 PT 0.92 ! SC 1.00 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.96 HN 0.96 KP 1.02 ! LA 0.94 MK 1.03 NL 1.23 PT 0.91 ! SC 1.01 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.98 HN 0.96 KP 1.03 ! LA 0.93 MK 1.04 NL 1.20 PT 0.91 ! SC 1.00 ! ! ! Fit before self-cal, rms=0.169786Jy sigma=1.915733 ! Fit after self-cal, rms=0.134085Jy sigma=1.480920 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8795 mas, bmaj=2.115 mas, bpa=25.66 degrees ! Estimated noise=0.775395 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 (13.6, -7.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0575111 Jy ! Component: 100 - total flux cleaned = 0.0896017 Jy ! Component: 150 - total flux cleaned = 0.114104 Jy ! Component: 200 - total flux cleaned = 0.133477 Jy ! Total flux subtracted in 200 components = 0.133477 Jy ! Clean residual min=-0.020605 max=0.042866 Jy/beam ! Clean residual mean=-0.000033 rms=0.007637 Jy/beam ! Combined flux in latest and established models = 1.45069 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 63 components and 1.45069 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=0.101224Jy sigma=1.104228 ! Fit after self-cal, rms=0.096821Jy sigma=1.078153 ! Inverting map ! Added new window around map position (3, -2.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0366914 Jy ! Component: 100 - total flux cleaned = 0.0565551 Jy ! Component: 150 - total flux cleaned = 0.072446 Jy ! Component: 200 - total flux cleaned = 0.0862046 Jy ! Total flux subtracted in 200 components = 0.0862046 Jy ! Clean residual min=-0.016322 max=0.018916 Jy/beam ! Clean residual mean=-0.000013 rms=0.004539 Jy/beam ! Combined flux in latest and established models = 1.5369 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 96 components and 1.5369 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=0.078435Jy sigma=0.866179 ! Fit after self-cal, rms=0.076999Jy sigma=0.857928 ! 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=0.076999Jy sigma=0.857928 ! Fit after self-cal, rms=0.073306Jy sigma=0.823520 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8838 mas, bmaj=2.114 mas, bpa=25.66 degrees ! Estimated noise=0.772354 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0158294 Jy ! Component: 100 - total flux cleaned = 0.0252915 Jy ! Component: 150 - total flux cleaned = 0.0331799 Jy ! Component: 200 - total flux cleaned = 0.0396504 Jy ! Total flux subtracted in 200 components = 0.0396504 Jy ! Clean residual min=-0.009750 max=0.013570 Jy/beam ! Clean residual mean=-0.000018 rms=0.002988 Jy/beam ! Combined flux in latest and established models = 1.57655 Jy selfcal ! Performing phase self-cal ! Adding 62 model components to the UV plane model. ! The established model now contains 144 components and 1.57655 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=0.067761Jy sigma=0.761270 ! Fit after self-cal, rms=0.066945Jy sigma=0.756726 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 (3, 14.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0120259 Jy ! Component: 100 - total flux cleaned = 0.0188314 Jy ! Component: 150 - total flux cleaned = 0.0228918 Jy ! Component: 200 - total flux cleaned = 0.02515 Jy ! Total flux subtracted in 200 components = 0.02515 Jy ! Clean residual min=-0.007789 max=0.008059 Jy/beam ! Clean residual mean=-0.000012 rms=0.002219 Jy/beam ! Combined flux in latest and established models = 1.6017 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 171 components and 1.6017 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=0.063839Jy sigma=0.724257 ! Fit after self-cal, rms=0.063625Jy sigma=0.723210 ! 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=0.063625Jy sigma=0.723210 ! Fit after self-cal, rms=0.063272Jy sigma=0.718772 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8843 mas, bmaj=2.114 mas, bpa=25.72 degrees ! Estimated noise=0.771963 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0044363 Jy ! Component: 100 - total flux cleaned = 0.00738195 Jy ! Component: 150 - total flux cleaned = 0.00942051 Jy ! Component: 200 - total flux cleaned = 0.0114224 Jy ! Total flux subtracted in 200 components = 0.0114224 Jy ! Clean residual min=-0.006278 max=0.006691 Jy/beam ! Clean residual mean=-0.000013 rms=0.001746 Jy/beam ! Combined flux in latest and established models = 1.61312 Jy selfcal ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 192 components and 1.61312 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=0.062015Jy sigma=0.705300 ! Fit after self-cal, rms=0.061873Jy sigma=0.704702 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 = 0.00267571 Jy ! Component: 100 - total flux cleaned = 0.00411216 Jy ! Component: 150 - total flux cleaned = 0.00542936 Jy ! Component: 200 - total flux cleaned = 0.00687601 Jy ! Total flux subtracted in 200 components = 0.00687601 Jy ! Clean residual min=-0.005754 max=0.006106 Jy/beam ! Clean residual mean=-0.000008 rms=0.001534 Jy/beam ! Combined flux in latest and established models = 1.62 Jy ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 207 components and 1.62 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=0.061311Jy sigma=0.698613 ! Fit after self-cal, rms=0.061253Jy sigma=0.698428 ! 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=0.061253Jy sigma=0.698428 ! Fit after self-cal, rms=0.061230Jy sigma=0.697168 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.018 mas, bmaj=2.52 mas, bpa=14.08 degrees ! Estimated noise=1.0039 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00596708 Jy ! Component: 100 - total flux cleaned = 0.00719313 Jy ! Component: 150 - total flux cleaned = 0.00749125 Jy ! Component: 200 - total flux cleaned = 0.00762557 Jy ! Total flux subtracted in 200 components = 0.00762557 Jy ! Clean residual min=-0.006435 max=0.008213 Jy/beam ! Clean residual mean=-0.000014 rms=0.002135 Jy/beam ! Combined flux in latest and established models = 1.62762 Jy selfcal ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 230 components and 1.62762 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=0.060874Jy sigma=0.693229 ! Fit after self-cal, rms=0.060804Jy sigma=0.692798 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 = 0.000851114 Jy ! Component: 100 - total flux cleaned = 0.000736963 Jy ! Component: 150 - total flux cleaned = 0.000529281 Jy ! Component: 200 - total flux cleaned = 0.000334891 Jy ! Total flux subtracted in 200 components = 0.000334891 Jy ! Clean residual min=-0.005221 max=0.007192 Jy/beam ! Clean residual mean=-0.000009 rms=0.001810 Jy/beam ! Combined flux in latest and established models = 1.62796 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 247 components and 1.62796 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=0.060658Jy sigma=0.690968 ! Fit after self-cal, rms=0.060624Jy sigma=0.690852 ! 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=0.8848 mas, bmaj=2.114 mas, bpa=25.73 degrees ! Estimated noise=0.772268 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8848 x 2.114 at 25.73 degrees (North through East) ! Clean map min=-0.011699 max=1.0166 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=0.060624Jy sigma=0.690852 ! Fit after self-cal, rms=0.057116Jy sigma=0.633234 ! Inverting map and beam ! Estimated beam: bmin=0.8847 mas, bmaj=2.115 mas, bpa=25.78 degrees ! Estimated noise=0.772366 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000163812 Jy ! Component: 100 - total flux cleaned = -0.000478009 Jy ! Component: 150 - total flux cleaned = -0.000122721 Jy ! Component: 200 - total flux cleaned = -3.87768e-05 Jy ! Total flux subtracted in 200 components = -3.87768e-05 Jy ! Clean residual min=-0.003894 max=0.004658 Jy/beam ! Clean residual mean=-0.000005 rms=0.001052 Jy/beam ! Combined flux in latest and established models = 1.62792 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 263 components and 1.62792 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=0.056800Jy sigma=0.629589 ! Fit after self-cal, rms=0.056769Jy sigma=0.629447 ! Inverting map ! Added new window around map position (-5.2, -19.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00268773 Jy ! Component: 100 - total flux cleaned = 0.00376393 Jy ! Component: 150 - total flux cleaned = 0.00426838 Jy ! Component: 200 - total flux cleaned = 0.00470278 Jy ! Total flux subtracted in 200 components = 0.00470278 Jy ! Clean residual min=-0.003564 max=0.003428 Jy/beam ! Clean residual mean=-0.000001 rms=0.000837 Jy/beam ! Combined flux in latest and established models = 1.63262 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 281 components and 1.63262 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=0.056365Jy sigma=0.624155 ! Fit after self-cal, rms=0.056351Jy sigma=0.624034 ! 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=0.056351Jy sigma=0.624034 ! Fit after self-cal, rms=0.056376Jy sigma=0.623746 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=0.7033 mas, bmaj=2.046 mas, bpa=27.28 degrees ! Estimated noise=1.41366 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.722055 Jy ! Component: 100 - total flux cleaned = 0.942767 Jy ! Component: 150 - total flux cleaned = 1.06176 Jy ! Component: 200 - total flux cleaned = 1.13402 Jy ! Total flux subtracted in 200 components = 1.13402 Jy ! Clean residual min=-0.037669 max=0.039790 Jy/beam ! Clean residual mean=0.000043 rms=0.009699 Jy/beam ! Combined flux in latest and established models = 1.13402 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 1.13402 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8849 mas, bmaj=2.116 mas, bpa=25.79 degrees ! Estimated noise=0.772495 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 = 0.0837521 Jy ! Component: 100 - total flux cleaned = 0.143344 Jy ! Component: 150 - total flux cleaned = 0.189744 Jy ! Component: 200 - total flux cleaned = 0.227207 Jy ! Total flux subtracted in 200 components = 0.227207 Jy ! Clean residual min=-0.022571 max=0.026062 Jy/beam ! Clean residual mean=-0.000041 rms=0.008297 Jy/beam ! Combined flux in latest and established models = 1.36123 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 42 components and 1.36123 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=2.019 mas, bmaj=2.521 mas, bpa=14.08 degrees ! Estimated noise=1.00352 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0579584 Jy ! Component: 100 - total flux cleaned = 0.0994001 Jy ! Component: 150 - total flux cleaned = 0.131053 Jy ! Component: 200 - total flux cleaned = 0.155892 Jy ! Total flux subtracted in 200 components = 0.155892 Jy ! Clean residual min=-0.018173 max=0.016140 Jy/beam ! Clean residual mean=-0.000045 rms=0.007141 Jy/beam ! Combined flux in latest and established models = 1.51712 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 = 0.0197629 Jy ! Component: 100 - total flux cleaned = 0.0356275 Jy ! Component: 150 - total flux cleaned = 0.0484636 Jy ! Component: 200 - total flux cleaned = 0.0589043 Jy ! Total flux subtracted in 200 components = 0.0589043 Jy ! Clean residual min=-0.010088 max=0.007835 Jy/beam ! Clean residual mean=-0.000014 rms=0.003270 Jy/beam ! Combined flux in latest and established models = 1.57603 Jy ! Adding 90 model components to the UV plane model. ! The established model now contains 119 components and 1.57603 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8849 mas, bmaj=2.116 mas, bpa=25.79 degrees ! Estimated noise=0.772495 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00741008 Jy ! Component: 100 - total flux cleaned = 0.0124973 Jy ! Component: 150 - total flux cleaned = 0.0171819 Jy ! Component: 200 - total flux cleaned = 0.0213456 Jy ! Total flux subtracted in 200 components = 0.0213456 Jy ! Clean residual min=-0.007982 max=0.006643 Jy/beam ! Clean residual mean=-0.000002 rms=0.001580 Jy/beam ! Combined flux in latest and established models = 1.59737 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 140 components and 1.59737 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=0.060255Jy sigma=0.662888 ! Fit after self-cal, rms=0.059433Jy sigma=0.655735 wmodel J1902+3159_X_map.mod ! Writing 140 model components to file: J1902+3159_X_map.mod wobs J1902+3159_X_uvs.fits ! Writing UV FITS file: J1902+3159_X_uvs.fits wwins J1902+3159_X_map.win ! wwins: Wrote 5 windows to J1902+3159_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 = -0.00204419 Jy ! Component: 100 - total flux cleaned = -0.00182334 Jy ! Component: 150 - total flux cleaned = -0.00152286 Jy ! Component: 200 - total flux cleaned = -0.00124257 Jy ! Component: 250 - total flux cleaned = -0.00124616 Jy ! Component: 300 - total flux cleaned = -0.00116474 Jy ! Component: 350 - total flux cleaned = -0.00116614 Jy ! Component: 400 - total flux cleaned = -0.000939382 Jy ! Component: 450 - total flux cleaned = -0.000866735 Jy ! Component: 500 - total flux cleaned = -0.000727793 Jy ! Component: 550 - total flux cleaned = -0.000594073 Jy ! Component: 600 - total flux cleaned = -0.000340513 Jy ! Component: 650 - total flux cleaned = -0.00028122 Jy ! Component: 700 - total flux cleaned = -0.000101343 Jy ! Component: 750 - total flux cleaned = 7.39509e-05 Jy ! Component: 800 - total flux cleaned = 0.000243404 Jy ! Component: 850 - total flux cleaned = 0.000516357 Jy ! Component: 900 - total flux cleaned = 0.000780989 Jy ! Component: 950 - total flux cleaned = 0.00108788 Jy ! Component: 1000 - total flux cleaned = 0.00138485 Jy ! Component: 1050 - total flux cleaned = 0.00152866 Jy ! Component: 1100 - total flux cleaned = 0.00185654 Jy ! Component: 1150 - total flux cleaned = 0.0022668 Jy ! Component: 1200 - total flux cleaned = 0.00262042 Jy ! Component: 1250 - total flux cleaned = 0.00292326 Jy ! Component: 1300 - total flux cleaned = 0.00338674 Jy ! Component: 1350 - total flux cleaned = 0.00383821 Jy ! Component: 1400 - total flux cleaned = 0.0041991 Jy ! Component: 1450 - total flux cleaned = 0.00443298 Jy ! Component: 1500 - total flux cleaned = 0.00454865 Jy ! Component: 1550 - total flux cleaned = 0.00473626 Jy ! Component: 1600 - total flux cleaned = 0.00480982 Jy ! Component: 1650 - total flux cleaned = 0.00499015 Jy ! Component: 1700 - total flux cleaned = 0.00502585 Jy ! Component: 1750 - total flux cleaned = 0.00516425 Jy ! Component: 1800 - total flux cleaned = 0.00523169 Jy ! Component: 1850 - total flux cleaned = 0.00526513 Jy ! Component: 1900 - total flux cleaned = 0.00536391 Jy ! Component: 1950 - total flux cleaned = 0.0054599 Jy ! Component: 2000 - total flux cleaned = 0.00552213 Jy ! Component: 2050 - total flux cleaned = 0.00542957 Jy ! Component: 2100 - total flux cleaned = 0.0055511 Jy ! Component: 2150 - total flux cleaned = 0.00561075 Jy ! Component: 2200 - total flux cleaned = 0.00561118 Jy ! Component: 2250 - total flux cleaned = 0.00566909 Jy ! Component: 2300 - total flux cleaned = 0.00569776 Jy ! Component: 2350 - total flux cleaned = 0.00578167 Jy ! Component: 2400 - total flux cleaned = 0.00572635 Jy ! Component: 2450 - total flux cleaned = 0.00580823 Jy ! Component: 2500 - total flux cleaned = 0.00586169 Jy ! Component: 2550 - total flux cleaned = 0.00583501 Jy ! Component: 2600 - total flux cleaned = 0.00578297 Jy ! Component: 2650 - total flux cleaned = 0.00580887 Jy ! Component: 2700 - total flux cleaned = 0.00585968 Jy ! Component: 2750 - total flux cleaned = 0.00588466 Jy ! Component: 2800 - total flux cleaned = 0.00590947 Jy ! Component: 2850 - total flux cleaned = 0.00593381 Jy ! Component: 2900 - total flux cleaned = 0.00603054 Jy ! Component: 2950 - total flux cleaned = 0.006054 Jy ! Component: 3000 - total flux cleaned = 0.00603055 Jy ! Component: 3050 - total flux cleaned = 0.00605392 Jy ! Component: 3100 - total flux cleaned = 0.0061231 Jy ! Component: 3150 - total flux cleaned = 0.00616841 Jy ! Component: 3200 - total flux cleaned = 0.00616806 Jy ! Component: 3250 - total flux cleaned = 0.0062353 Jy ! Component: 3300 - total flux cleaned = 0.00627948 Jy ! Component: 3350 - total flux cleaned = 0.00636779 Jy ! Component: 3400 - total flux cleaned = 0.00647697 Jy ! Component: 3450 - total flux cleaned = 0.00649851 Jy ! Component: 3500 - total flux cleaned = 0.00654139 Jy ! Component: 3550 - total flux cleaned = 0.00647705 Jy ! Component: 3600 - total flux cleaned = 0.00645601 Jy ! Component: 3650 - total flux cleaned = 0.00647729 Jy ! Component: 3700 - total flux cleaned = 0.00647732 Jy ! Component: 3750 - total flux cleaned = 0.00643553 Jy ! Component: 3800 - total flux cleaned = 0.00633189 Jy ! Component: 3850 - total flux cleaned = 0.00631132 Jy ! Component: 3900 - total flux cleaned = 0.00631125 Jy ! Component: 3950 - total flux cleaned = 0.00624996 Jy ! Component: 4000 - total flux cleaned = 0.0062908 Jy ! Component: 4050 - total flux cleaned = 0.00623021 Jy ! Total flux subtracted in 4096 components = 0.00623033 Jy ! Clean residual min=-0.001296 max=0.001108 Jy/beam ! Clean residual mean=0.000001 rms=0.000331 Jy/beam ! Combined flux in latest and established models = 1.6036 Jy keep ! Adding 264 model components to the UV plane model. ! The established model now contains 404 components and 1.6036 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J1902+3159_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8849 x 2.116 at 25.79 degrees (North through East) ! Clean map min=-0.0042865 max=1.0199 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J1902+3159_X_map.fits wmodel /vlbi/bp222/maps//J1902+3159_X_map.mod ! Writing 404 model components to file: /vlbi/bp222/maps//J1902+3159_X_map.mod wobs /vlbi/bp222/maps//J1902+3159_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J1902+3159_X_uvs.fits wwins /vlbi/bp222/maps//J1902+3159_X_map.win ! wwins: Wrote 6 windows to /vlbi/bp222/maps//J1902+3159_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 1.01992 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000331811 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0975987 0.0975987 0.195197 0.390395 0.78079 1.56158 3.12316 6.24632 12.4926 24.9853 49.9705 99.9411 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0009 print "peak= ", int(1000*peak_flux)/1000 ! peak= 1.019 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 3073.81 quit ! Quitting program ! Log file /vlbi/bp222/maps//J1902+3159_X_dfm.log closed on Thu Sep 27 11:31:28 2018