! Started logfile: /vlbi/bs262/maps//J0926+5411_C_20180503_dfm.log on Mon Jun 4 23:29:47 2018 float field_size field_size = 1024 float field_cell field_cell = 0.3000 float taper_size taper_size = 40.0 float freq freq = 4.12800 obs /vlbi/bs262/maps//J0926+5411_C_20180503_uva.fits ! Reading UV FITS file: /vlbi/bs262/maps//J0926+5411_C_20180503_uva.fits ! AN table 1: 90 integrations on 45 of 45 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J0926+5411 ! ! There are 8 IFs, and a total of 8 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 4.128e+09 3.2e+07 1 3.2e+07 ! 02 2 4.16e+09 3.2e+07 1 3.2e+07 ! 03 3 4.192e+09 3.2e+07 1 3.2e+07 ! 04 4 4.224e+09 3.2e+07 1 3.2e+07 ! 05 5 4.416e+09 3.2e+07 1 3.2e+07 ! 06 6 4.512e+09 3.2e+07 1 3.2e+07 ! 07 7 4.544e+09 3.2e+07 1 3.2e+07 ! 08 8 4.576e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 94 lines of history. ! ! Reading 32400 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 8 channels. ! Selecting polarization: RR, channels: 1..8 ! 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 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.3 print "taper_size =", taper_size ! taper_size = 40 ![@/opt64/bin/pima_mupet_01.dfm J0926+5411_C] 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 0.300x0.300 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. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=1.001868Jy sigma=27.124488 ! Fit after self-cal, rms=0.971380Jy sigma=26.301527 ! 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=1.183 mas, bmaj=4.609 mas, bpa=10.93 degrees ! Estimated noise=0.345022 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 = 0.0230681 Jy ! Component: 100 - total flux cleaned = 0.0281858 Jy ! Total flux subtracted in 100 components = 0.0281858 Jy ! Clean residual min=-0.001487 max=0.002064 Jy/beam ! Clean residual mean=-0.000001 rms=0.000357 Jy/beam ! Combined flux in latest and established models = 0.0281858 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.0281858 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. ! ! Fit before self-cal, rms=0.030256Jy sigma=0.767812 ! Fit after self-cal, rms=0.027677Jy sigma=0.697944 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0031601 Jy ! Component: 100 - total flux cleaned = 0.00407218 Jy ! Total flux subtracted in 100 components = 0.00407218 Jy ! Clean residual min=-0.001342 max=0.001568 Jy/beam ! Clean residual mean=-0.000001 rms=0.000328 Jy/beam ! Combined flux in latest and established models = 0.032258 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 7 components and 0.032258 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. ! ! Fit before self-cal, rms=0.027340Jy sigma=0.690170 ! Fit after self-cal, rms=0.027336Jy sigma=0.690107 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.594 mas, bmaj=4.748 mas, bpa=10.47 degrees ! Estimated noise=0.148262 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-1.8, -5.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00160027 Jy ! Component: 100 - total flux cleaned = 0.00245137 Jy ! Component: 150 - total flux cleaned = 0.00304913 Jy ! Component: 200 - total flux cleaned = 0.0035261 Jy ! Total flux subtracted in 200 components = 0.0035261 Jy ! Clean residual min=-0.000734 max=0.000764 Jy/beam ! Clean residual mean=0.000000 rms=0.000176 Jy/beam ! Combined flux in latest and established models = 0.0357841 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 47 components and 0.0357841 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. ! ! Fit before self-cal, rms=0.027236Jy sigma=0.687319 ! Fit after self-cal, rms=0.027221Jy sigma=0.687063 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.594 x 4.748 at 10.47 degrees (North through East) ! Clean map min=-0.00065018 max=0.031266 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.97 HN 1.00 KP 0.94 ! LA 1.05 MK 0.94 NL 1.05 OV 0.96 ! PT 0.94 SC 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.90 HN 0.98 KP 0.98 ! LA 1.02 MK 1.01 NL 1.03 OV 1.00 ! PT 0.95 SC 1.05 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.94 HN 0.96 KP 0.93 ! LA 1.01 MK 0.91 NL 1.06 OV 1.02 ! PT 0.92 SC 1.00 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.97 HN 0.88 KP 0.96 ! LA 1.03 MK 0.96 NL 1.00 OV 0.99 ! PT 0.92 SC 1.00 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.00 HN 1.03 KP 0.93 ! LA 1.00 MK 0.96 NL 1.05 OV 1.03 ! PT 0.93 SC 1.02 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.98 HN 1.02 KP 0.98 ! LA 1.04 MK 0.98 NL 1.04 OV 1.01 ! PT 0.95 SC 1.08 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.00 HN 1.08 KP 0.96 ! LA 1.07 MK 0.96 NL 1.09 OV 1.04 ! PT 0.95 SC 1.01 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.99 HN 1.04 KP 0.96 ! LA 1.05 MK 1.02 NL 1.04 OV 1.03 ! PT 0.97 SC 1.04 ! ! ! Fit before self-cal, rms=0.027221Jy sigma=0.687063 ! Fit after self-cal, rms=0.026793Jy sigma=0.684686 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.595 mas, bmaj=4.774 mas, bpa=10.26 degrees ! Estimated noise=0.148062 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 = 0.00024514 Jy ! Component: 100 - total flux cleaned = 0.000368178 Jy ! Component: 150 - total flux cleaned = 0.000438856 Jy ! Component: 200 - total flux cleaned = 0.000493633 Jy ! Total flux subtracted in 200 components = 0.000493633 Jy ! Clean residual min=-0.000432 max=0.000507 Jy/beam ! Clean residual mean=-0.000000 rms=0.000112 Jy/beam ! Combined flux in latest and established models = 0.0362777 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 67 components and 0.0362777 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. ! ! Fit before self-cal, rms=0.026786Jy sigma=0.684506 ! Fit after self-cal, rms=0.026786Jy sigma=0.684421 ! 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. ! ! Fit before self-cal, rms=0.026786Jy sigma=0.684421 ! Fit after self-cal, rms=0.026729Jy sigma=0.684404 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.593 mas, bmaj=4.772 mas, bpa=10.23 degrees ! Estimated noise=0.147905 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.45827e-05 Jy ! Component: 100 - total flux cleaned = 7.51774e-05 Jy ! Component: 150 - total flux cleaned = 9.85629e-05 Jy ! Component: 200 - total flux cleaned = 0.000114601 Jy ! Total flux subtracted in 200 components = 0.000114601 Jy ! Clean residual min=-0.000421 max=0.000496 Jy/beam ! Clean residual mean=-0.000000 rms=0.000109 Jy/beam ! Combined flux in latest and established models = 0.0363923 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 77 components and 0.0363923 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. ! ! Fit before self-cal, rms=0.026725Jy sigma=0.684333 ! Fit after self-cal, rms=0.026725Jy sigma=0.684330 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 (60.9, -53.7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000369239 Jy ! Component: 100 - total flux cleaned = 0.000444115 Jy ! Component: 150 - total flux cleaned = 0.000499716 Jy ! Component: 200 - total flux cleaned = 0.000530227 Jy ! Total flux subtracted in 200 components = 0.000530227 Jy ! Clean residual min=-0.000406 max=0.000442 Jy/beam ! Clean residual mean=-0.000000 rms=0.000104 Jy/beam ! Combined flux in latest and established models = 0.0369225 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 96 components and 0.0369225 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. ! ! Fit before self-cal, rms=0.026717Jy sigma=0.684113 ! Fit after self-cal, rms=0.026715Jy sigma=0.684092 ! Inverting map ! Added new window around map position (1.5, -45.3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000405258 Jy ! Component: 100 - total flux cleaned = 0.000489833 Jy ! Component: 150 - total flux cleaned = 0.000533273 Jy ! Component: 200 - total flux cleaned = 0.000591504 Jy ! Total flux subtracted in 200 components = 0.000591504 Jy ! Clean residual min=-0.000387 max=0.000400 Jy/beam ! Clean residual mean=-0.000000 rms=0.000096 Jy/beam ! Combined flux in latest and established models = 0.037514 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 114 components and 0.037514 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. ! ! Fit before self-cal, rms=0.026708Jy sigma=0.683898 ! Fit after self-cal, rms=0.026707Jy sigma=0.683890 ! 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. ! ! Fit before self-cal, rms=0.026707Jy sigma=0.683890 ! Fit after self-cal, rms=0.026669Jy sigma=0.683869 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.592 mas, bmaj=4.771 mas, bpa=10.23 degrees ! Estimated noise=0.14769 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000114491 Jy ! Component: 100 - total flux cleaned = 0.000158377 Jy ! Component: 150 - total flux cleaned = 0.000187256 Jy ! Component: 200 - total flux cleaned = 0.000198314 Jy ! Total flux subtracted in 200 components = 0.000198314 Jy ! Clean residual min=-0.000379 max=0.000402 Jy/beam ! Clean residual mean=-0.000000 rms=0.000094 Jy/beam ! Combined flux in latest and established models = 0.0377124 Jy selfcal ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 128 components and 0.0377123 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. ! ! Fit before self-cal, rms=0.026666Jy sigma=0.683804 ! Fit after self-cal, rms=0.026666Jy sigma=0.683804 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 = 4.40625e-05 Jy ! Component: 100 - total flux cleaned = 6.43211e-05 Jy ! Component: 150 - total flux cleaned = 8.34277e-05 Jy ! Component: 200 - total flux cleaned = 9.71248e-05 Jy ! Total flux subtracted in 200 components = 9.71248e-05 Jy ! Clean residual min=-0.000379 max=0.000406 Jy/beam ! Clean residual mean=-0.000000 rms=0.000093 Jy/beam ! Combined flux in latest and established models = 0.0378095 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 137 components and 0.0378095 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. ! ! Fit before self-cal, rms=0.026664Jy sigma=0.683762 ! Fit after self-cal, rms=0.026664Jy sigma=0.683761 ! Inverting map ! Added new window around map position (56.4, 63). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000127422 Jy ! Component: 100 - total flux cleaned = 0.000107941 Jy ! Component: 150 - total flux cleaned = 8.65503e-05 Jy ! Component: 200 - total flux cleaned = 5.44892e-05 Jy ! Total flux subtracted in 200 components = 5.44892e-05 Jy ! Clean residual min=-0.000371 max=0.000394 Jy/beam ! Clean residual mean=-0.000000 rms=0.000091 Jy/beam ! Combined flux in latest and established models = 0.037864 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 158 components and 0.037864 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. ! ! Fit before self-cal, rms=0.026658Jy sigma=0.683598 ! Fit after self-cal, rms=0.026657Jy sigma=0.683584 ! Inverting map ! Added new window around map position (23.7, 61.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000169608 Jy ! Component: 100 - total flux cleaned = 0.000251724 Jy ! Component: 150 - total flux cleaned = 0.000231264 Jy ! Component: 200 - total flux cleaned = 0.000231244 Jy ! Total flux subtracted in 200 components = 0.000231244 Jy ! Clean residual min=-0.000369 max=0.000320 Jy/beam ! Clean residual mean=-0.000000 rms=0.000087 Jy/beam ! Combined flux in latest and established models = 0.0380952 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 173 components and 0.0380952 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. ! ! Fit before self-cal, rms=0.026652Jy sigma=0.683440 ! Fit after self-cal, rms=0.026651Jy sigma=0.683428 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 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. ! ! Fit before self-cal, rms=0.026651Jy sigma=0.683428 ! Fit after self-cal, rms=0.026623Jy sigma=0.683418 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.497 mas, bmaj=5.235 mas, bpa=7.291 degrees ! Estimated noise=0.185272 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000147473 Jy ! Component: 100 - total flux cleaned = 0.000205104 Jy ! Component: 150 - total flux cleaned = 0.000256087 Jy ! Component: 200 - total flux cleaned = 0.00030324 Jy ! Total flux subtracted in 200 components = 0.00030324 Jy ! Clean residual min=-0.000374 max=0.000348 Jy/beam ! Clean residual mean=-0.000000 rms=0.000099 Jy/beam ! Combined flux in latest and established models = 0.0383984 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 193 components and 0.0383984 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. ! ! Fit before self-cal, rms=0.026621Jy sigma=0.683385 ! Fit after self-cal, rms=0.026622Jy sigma=0.683383 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 = 4.71428e-05 Jy ! Component: 100 - total flux cleaned = 8.6509e-05 Jy ! Component: 150 - total flux cleaned = 0.00012381 Jy ! Component: 200 - total flux cleaned = 0.000155078 Jy ! Total flux subtracted in 200 components = 0.000155078 Jy ! Clean residual min=-0.000364 max=0.000340 Jy/beam ! Clean residual mean=-0.000000 rms=0.000096 Jy/beam ! Combined flux in latest and established models = 0.0385535 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 198 components and 0.0385535 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. ! ! Fit before self-cal, rms=0.026621Jy sigma=0.683363 ! Fit after self-cal, rms=0.026621Jy sigma=0.683363 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=1.591 mas, bmaj=4.771 mas, bpa=10.22 degrees ! Estimated noise=0.147507 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.591 x 4.771 at 10.22 degrees (North through East) ! Clean map min=-0.0003777 max=0.031209 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=1.177 mas, bmaj=4.631 mas, bpa=10.7 degrees ! Estimated noise=0.343876 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0246457 Jy ! Component: 100 - total flux cleaned = 0.0301049 Jy ! Component: 150 - total flux cleaned = 0.0320526 Jy ! Component: 200 - total flux cleaned = 0.0329911 Jy ! Total flux subtracted in 200 components = 0.0329911 Jy ! Clean residual min=-0.001077 max=0.001118 Jy/beam ! Clean residual mean=-0.000001 rms=0.000283 Jy/beam ! Combined flux in latest and established models = 0.0329911 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 22 model components to the UV plane model. ! The established model now contains 22 components and 0.0329911 Jy ! Inverting map and beam ! Estimated beam: bmin=1.591 mas, bmaj=4.771 mas, bpa=10.22 degrees ! Estimated noise=0.147507 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 = 0.00105556 Jy ! Component: 100 - total flux cleaned = 0.00173678 Jy ! Component: 150 - total flux cleaned = 0.00224508 Jy ! Component: 200 - total flux cleaned = 0.00261047 Jy ! Total flux subtracted in 200 components = 0.00261047 Jy ! Clean residual min=-0.000464 max=0.000454 Jy/beam ! Clean residual mean=-0.000000 rms=0.000119 Jy/beam ! Combined flux in latest and established models = 0.0356015 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 53 components and 0.0356015 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.497 mas, bmaj=5.235 mas, bpa=7.291 degrees ! Estimated noise=0.185272 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000524134 Jy ! Component: 100 - total flux cleaned = 0.000880462 Jy ! Component: 150 - total flux cleaned = 0.00120425 Jy ! Component: 200 - total flux cleaned = 0.00144017 Jy ! Total flux subtracted in 200 components = 0.00144017 Jy ! Clean residual min=-0.000474 max=0.000431 Jy/beam ! Clean residual mean=-0.000000 rms=0.000125 Jy/beam ! Combined flux in latest and established models = 0.0370417 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 = 0.000199236 Jy ! Component: 100 - total flux cleaned = 0.000368232 Jy ! Component: 150 - total flux cleaned = 0.00052295 Jy ! Component: 200 - total flux cleaned = 0.000656526 Jy ! Total flux subtracted in 200 components = 0.000656526 Jy ! Clean residual min=-0.000417 max=0.000380 Jy/beam ! Clean residual mean=-0.000000 rms=0.000111 Jy/beam ! Combined flux in latest and established models = 0.0376982 Jy ! Adding 59 model components to the UV plane model. ! The established model now contains 107 components and 0.0376982 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.591 mas, bmaj=4.771 mas, bpa=10.22 degrees ! Estimated noise=0.147507 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.93849e-05 Jy ! Component: 100 - total flux cleaned = 6.18226e-05 Jy ! Component: 150 - total flux cleaned = 7.1073e-05 Jy ! Component: 200 - total flux cleaned = 9.00911e-05 Jy ! Total flux subtracted in 200 components = 9.00911e-05 Jy ! Clean residual min=-0.000378 max=0.000328 Jy/beam ! Clean residual mean=-0.000000 rms=0.000093 Jy/beam ! Combined flux in latest and established models = 0.0377883 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 129 components and 0.0377883 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. ! ! Fit before self-cal, rms=0.026636Jy sigma=0.683715 ! Fit after self-cal, rms=0.026636Jy sigma=0.683693 wmodel J0926+5411_C_map.mod ! Writing 129 model components to file: J0926+5411_C_map.mod wobs J0926+5411_C_uvs.fits ! Writing UV FITS file: J0926+5411_C_uvs.fits wwins J0926+5411_C_map.win ! wwins: Wrote 6 windows to J0926+5411_C_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 = -0.000122991 Jy ! Component: 100 - total flux cleaned = -0.000216549 Jy ! Component: 150 - total flux cleaned = -0.000300209 Jy ! Component: 200 - total flux cleaned = -0.000374912 Jy ! Component: 250 - total flux cleaned = -0.000441685 Jy ! Component: 300 - total flux cleaned = -0.000501086 Jy ! Component: 350 - total flux cleaned = -0.00054311 Jy ! Component: 400 - total flux cleaned = -0.000568615 Jy ! Component: 450 - total flux cleaned = -0.000593615 Jy ! Component: 500 - total flux cleaned = -0.000603445 Jy ! Component: 550 - total flux cleaned = -0.000637286 Jy ! Component: 600 - total flux cleaned = -0.000656271 Jy ! Component: 650 - total flux cleaned = -0.000660964 Jy ! Component: 700 - total flux cleaned = -0.000679532 Jy ! Component: 750 - total flux cleaned = -0.000706888 Jy ! Component: 800 - total flux cleaned = -0.000711386 Jy ! Component: 850 - total flux cleaned = -0.000729201 Jy ! Component: 900 - total flux cleaned = -0.000742406 Jy ! Component: 950 - total flux cleaned = -0.000751099 Jy ! Component: 1000 - total flux cleaned = -0.000759676 Jy ! Component: 1050 - total flux cleaned = -0.000768176 Jy ! Component: 1100 - total flux cleaned = -0.000780827 Jy ! Component: 1150 - total flux cleaned = -0.000776621 Jy ! Component: 1200 - total flux cleaned = -0.000780728 Jy ! Component: 1250 - total flux cleaned = -0.000780757 Jy ! Component: 1300 - total flux cleaned = -0.000780726 Jy ! Component: 1350 - total flux cleaned = -0.000784743 Jy ! Component: 1400 - total flux cleaned = -0.000788707 Jy ! Component: 1450 - total flux cleaned = -0.000800543 Jy ! Component: 1500 - total flux cleaned = -0.000812263 Jy ! Component: 1550 - total flux cleaned = -0.000800543 Jy ! Component: 1600 - total flux cleaned = -0.000796713 Jy ! Component: 1650 - total flux cleaned = -0.000804403 Jy ! Component: 1700 - total flux cleaned = -0.000800649 Jy ! Component: 1750 - total flux cleaned = -0.000815791 Jy ! Component: 1800 - total flux cleaned = -0.000804539 Jy ! Component: 1850 - total flux cleaned = -0.000823136 Jy ! Component: 1900 - total flux cleaned = -0.000804696 Jy ! Component: 1950 - total flux cleaned = -0.000815695 Jy ! Component: 2000 - total flux cleaned = -0.000804766 Jy ! Component: 2050 - total flux cleaned = -0.000815663 Jy ! Component: 2100 - total flux cleaned = -0.000812072 Jy ! Component: 2150 - total flux cleaned = -0.000812101 Jy ! Component: 2200 - total flux cleaned = -0.000822779 Jy ! Component: 2250 - total flux cleaned = -0.000822782 Jy ! Component: 2300 - total flux cleaned = -0.000822837 Jy ! Component: 2350 - total flux cleaned = -0.000822856 Jy ! Component: 2400 - total flux cleaned = -0.000843594 Jy ! Component: 2450 - total flux cleaned = -0.000843624 Jy ! Component: 2500 - total flux cleaned = -0.000826541 Jy ! Component: 2550 - total flux cleaned = -0.000836755 Jy ! Component: 2600 - total flux cleaned = -0.000836804 Jy ! Component: 2650 - total flux cleaned = -0.000833455 Jy ! Component: 2700 - total flux cleaned = -0.00083676 Jy ! Component: 2750 - total flux cleaned = -0.000830131 Jy ! Component: 2800 - total flux cleaned = -0.000820233 Jy ! Component: 2850 - total flux cleaned = -0.000843176 Jy ! Component: 2900 - total flux cleaned = -0.000830102 Jy ! Component: 2950 - total flux cleaned = -0.000820389 Jy ! Component: 3000 - total flux cleaned = -0.000817169 Jy ! Component: 3050 - total flux cleaned = -0.000826814 Jy ! Component: 3100 - total flux cleaned = -0.00082681 Jy ! Component: 3150 - total flux cleaned = -0.000820459 Jy ! Component: 3200 - total flux cleaned = -0.000829924 Jy ! Component: 3250 - total flux cleaned = -0.000845626 Jy ! Component: 3300 - total flux cleaned = -0.000848774 Jy ! Component: 3350 - total flux cleaned = -0.000851865 Jy ! Component: 3400 - total flux cleaned = -0.000854934 Jy ! Component: 3450 - total flux cleaned = -0.000851849 Jy ! Component: 3500 - total flux cleaned = -0.000864167 Jy ! Component: 3550 - total flux cleaned = -0.000873322 Jy ! Component: 3600 - total flux cleaned = -0.000879407 Jy ! Component: 3650 - total flux cleaned = -0.000888512 Jy ! Component: 3700 - total flux cleaned = -0.000873419 Jy ! Component: 3750 - total flux cleaned = -0.000885428 Jy ! Component: 3800 - total flux cleaned = -0.000891431 Jy ! Component: 3850 - total flux cleaned = -0.000891451 Jy ! Component: 3900 - total flux cleaned = -0.00090924 Jy ! Component: 3950 - total flux cleaned = -0.000924009 Jy ! Component: 4000 - total flux cleaned = -0.000918119 Jy ! Component: 4050 - total flux cleaned = -0.000923977 Jy ! Total flux subtracted in 4096 components = -0.000921072 Jy ! Clean residual min=-0.000160 max=0.000164 Jy/beam ! Clean residual mean=-0.000000 rms=0.000053 Jy/beam ! Combined flux in latest and established models = 0.0368673 Jy keep ! Adding 290 model components to the UV plane model. ! The established model now contains 419 components and 0.0368673 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bs262/maps//J0926+5411_C_20180503_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.591 x 4.771 at 10.22 degrees (North through East) ! Clean map min=-0.00036268 max=0.030968 Jy/beam ! Writing clean map to FITS file: /vlbi/bs262/maps//J0926+5411_C_20180503_map.fits wmodel /vlbi/bs262/maps//J0926+5411_C_20180503_map.mod ! Writing 419 model components to file: /vlbi/bs262/maps//J0926+5411_C_20180503_map.mod wobs /vlbi/bs262/maps//J0926+5411_C_20180503_uvs.fits ! Writing UV FITS file: /vlbi/bs262/maps//J0926+5411_C_20180503_uvs.fits wwins /vlbi/bs262/maps//J0926+5411_C_20180503_map.win ! wwins: Wrote 7 windows to /vlbi/bs262/maps//J0926+5411_C_20180503_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0309677 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 5.31597e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.514985 0.514985 1.02997 2.05994 4.11988 8.23975 16.4795 32.959 65.918 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.03 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 582.541 quit ! Quitting program ! Log file /vlbi/bs262/maps//J0926+5411_C_20180503_dfm.log closed on Mon Jun 4 23:29:53 2018