! Started logfile: /vlbi/bp222/maps//J1457+0749_X_dfm.log on Thu Sep 27 11:16:15 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//J1457+0749_X_uvm.fits ! Reading UV FITS file: /vlbi/bp222/maps//J1457+0749_X_uvm.fits ! AN table 1: 92 integrations on 28 of 28 possible baselines. ! AN table 2: 23 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.969741 visibilities/baseline/integration-bin. ! Found source: J1457+0749 ! ! 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 39612 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 J1457+0749_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 13 telescope corrections were flagged in sub-array 1. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 13 telescope corrections were flagged in sub-array 1. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 13 telescope corrections were flagged in sub-array 1. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 13 telescope corrections were flagged in sub-array 1. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 5. ! A total of 13 telescope corrections were flagged in sub-array 1. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 6. ! A total of 13 telescope corrections were flagged in sub-array 1. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 7. ! A total of 13 telescope corrections were flagged in sub-array 1. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 8. ! A total of 13 telescope corrections were flagged in sub-array 1. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 9. ! A total of 13 telescope corrections were flagged in sub-array 1. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 10. ! A total of 13 telescope corrections were flagged in sub-array 1. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 11. ! A total of 13 telescope corrections were flagged in sub-array 1. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 12. ! A total of 13 telescope corrections were flagged in sub-array 1. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.003595Jy sigma=16.065472 ! Fit after self-cal, rms=0.940083Jy sigma=15.014681 ! 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=0.5967 mas, bmaj=1.643 mas, bpa=-3.705 degrees ! Estimated noise=0.390476 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 = 0.0450959 Jy ! Component: 100 - total flux cleaned = 0.0567701 Jy ! Total flux subtracted in 100 components = 0.0567701 Jy ! Clean residual min=-0.003103 max=0.005167 Jy/beam ! Clean residual mean=-0.000001 rms=0.000562 Jy/beam ! Combined flux in latest and established models = 0.0567701 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.0567701 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=0.059583Jy sigma=0.878086 ! Fit after self-cal, rms=0.058761Jy sigma=0.866610 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00624925 Jy ! Component: 100 - total flux cleaned = 0.00949607 Jy ! Total flux subtracted in 100 components = 0.00949607 Jy ! Clean residual min=-0.002153 max=0.004665 Jy/beam ! Clean residual mean=-0.000000 rms=0.000452 Jy/beam ! Combined flux in latest and established models = 0.0662661 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 9 components and 0.0662661 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=0.057856Jy sigma=0.848256 ! Fit after self-cal, rms=0.057859Jy sigma=0.848054 ! Inverting map ! Added new window around map position (1, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00430007 Jy ! Component: 100 - total flux cleaned = 0.00664121 Jy ! Total flux subtracted in 100 components = 0.00664121 Jy ! Clean residual min=-0.001802 max=0.001735 Jy/beam ! Clean residual mean=-0.000000 rms=0.000389 Jy/beam ! Combined flux in latest and established models = 0.0729073 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 17 components and 0.0729073 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=0.057484Jy sigma=0.841047 ! Fit after self-cal, rms=0.057440Jy sigma=0.840299 ! 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=0.7478 mas, bmaj=1.84 mas, bpa=-3.225 degrees ! Estimated noise=0.231172 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 = 0.00263288 Jy ! Component: 100 - total flux cleaned = 0.00405673 Jy ! Component: 150 - total flux cleaned = 0.00477852 Jy ! Component: 200 - total flux cleaned = 0.00498759 Jy ! Total flux subtracted in 200 components = 0.00498759 Jy ! Clean residual min=-0.001189 max=0.001092 Jy/beam ! Clean residual mean=-0.000000 rms=0.000274 Jy/beam ! Combined flux in latest and established models = 0.0778949 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 24 components and 0.0778949 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=0.057330Jy sigma=0.838050 ! Fit after self-cal, rms=0.057318Jy sigma=0.837838 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7478 x 1.84 at -3.225 degrees (North through East) ! Clean map min=-0.0010728 max=0.062344 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.99 HN 1.04 KP 1.00 ! MK 0.97 NL 1.03 OV 0.98 SC 1.02 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 0.96 KP 1.07 LA 1.00 ! MK 1.12 NL 1.05 OV 1.14 PT 1.01 ! SC 1.07 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.00 HN 1.02 KP 0.99 ! MK 1.02 NL 0.96 OV 0.98 SC 0.96 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.07 FD 1.06 KP 1.13 LA 1.05 ! MK 1.06 NL 0.92 OV 1.01 PT 1.12 ! SC 1.06 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.98 HN 1.04 KP 0.99 ! MK 0.97 NL 0.99 OV 0.93 SC 0.94 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 1.04 KP 1.08 LA 1.12 ! MK 1.07 NL 0.91 OV 1.04 PT 0.93 ! SC 1.06 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.93 HN 1.00 KP 1.00 ! MK 1.03 NL 1.00 OV 1.02 SC 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.08 FD 1.03 KP 1.07 LA 1.04 ! MK 1.01 NL 1.03 OV 1.05 PT 1.01 ! SC 1.12 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.97 HN 1.09 KP 1.00 ! MK 0.98 NL 1.03 OV 0.99 SC 0.95 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.19 FD 1.08 KP 1.04 LA 1.03 ! MK 0.94 NL 1.05 OV 1.03 PT 0.96 ! SC 1.07 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.98 HN 1.03 KP 0.97 ! MK 0.96 NL 0.98 OV 1.02 SC 0.96 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 1.11 KP 1.13 LA 1.04 ! MK 0.95 NL 0.95 OV 1.08 PT 0.98 ! SC 1.05 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.97 HN 1.04 KP 0.95 ! MK 1.02 NL 1.01 OV 1.00 SC 0.96 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 0.98 KP 1.13 LA 1.19 ! MK 1.08 NL 1.05 OV 1.00 PT 0.95 ! SC 1.18 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.99 HN 1.00 KP 0.99 ! MK 0.94 NL 1.00 OV 0.97 SC 0.93 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.03 KP 1.05 LA 1.07 ! MK 1.09 NL 1.00 OV 1.03 PT 0.97 ! SC 1.07 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.95 HN 1.05 KP 0.94 ! MK 0.97 NL 0.99 OV 0.97 SC 0.96 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.07 FD 1.09 KP 1.05 LA 1.07 ! MK 1.21 NL 0.99 OV 1.07 PT 1.01 ! SC 1.09 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.96 HN 0.99 KP 1.01 ! MK 1.02 NL 0.97 OV 0.93 SC 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 1.11 KP 0.93 LA 1.03 ! MK 1.08 NL 0.93 OV 1.12 PT 1.03 ! SC 1.02 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.95 HN 0.98 KP 0.96 ! MK 1.07 NL 1.01 OV 0.95 SC 0.97 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 1.04 KP 1.08 LA 1.09 ! MK 1.08 NL 0.91 OV 1.06 PT 0.90 ! SC 1.08 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.96 HN 1.02 KP 0.92 ! MK 0.96 NL 0.99 OV 0.95 SC 0.93 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 1.04 KP 1.16 LA 1.06 ! MK 0.88 NL 0.91 OV 1.05 PT 0.91 ! SC 1.07 ! ! ! Fit before self-cal, rms=0.057318Jy sigma=0.837838 ! Fit after self-cal, rms=0.057372Jy sigma=0.834651 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7464 mas, bmaj=1.835 mas, bpa=-2.951 degrees ! Estimated noise=0.229498 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 (2.4, 0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00112023 Jy ! Component: 100 - total flux cleaned = 0.00137752 Jy ! Component: 150 - total flux cleaned = 0.00136001 Jy ! Component: 200 - total flux cleaned = 0.00132171 Jy ! Total flux subtracted in 200 components = 0.00132171 Jy ! Clean residual min=-0.000815 max=0.000899 Jy/beam ! Clean residual mean=0.000000 rms=0.000198 Jy/beam ! Combined flux in latest and established models = 0.0792166 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 40 components and 0.0792166 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=0.057348Jy sigma=0.834277 ! Fit after self-cal, rms=0.057378Jy sigma=0.834130 ! 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=0.057378Jy sigma=0.834130 ! Fit after self-cal, rms=0.057505Jy sigma=0.833459 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7453 mas, bmaj=1.833 mas, bpa=-2.938 degrees ! Estimated noise=0.229787 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000518787 Jy ! Component: 100 - total flux cleaned = 0.000589902 Jy ! Component: 150 - total flux cleaned = 0.000570447 Jy ! Component: 200 - total flux cleaned = 0.000535749 Jy ! Total flux subtracted in 200 components = 0.000535749 Jy ! Clean residual min=-0.000801 max=0.000864 Jy/beam ! Clean residual mean=-0.000000 rms=0.000192 Jy/beam ! Combined flux in latest and established models = 0.0797524 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 58 components and 0.0797524 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=0.057498Jy sigma=0.833374 ! Fit after self-cal, rms=0.057498Jy sigma=0.833296 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 (15.6, -7.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000840416 Jy ! Component: 100 - total flux cleaned = 0.00132236 Jy ! Component: 150 - total flux cleaned = 0.00157345 Jy ! Component: 200 - total flux cleaned = 0.00170626 Jy ! Total flux subtracted in 200 components = 0.00170626 Jy ! Clean residual min=-0.000736 max=0.000820 Jy/beam ! Clean residual mean=0.000000 rms=0.000185 Jy/beam ! Combined flux in latest and established models = 0.0814587 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 76 components and 0.0814587 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=0.057484Jy sigma=0.833059 ! Fit after self-cal, rms=0.057485Jy sigma=0.833031 ! Inverting map ! Added new window around map position (21.6, 32.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000269164 Jy ! Component: 100 - total flux cleaned = 0.000233599 Jy ! Component: 150 - total flux cleaned = 0.000201796 Jy ! Component: 200 - total flux cleaned = 0.000240056 Jy ! Total flux subtracted in 200 components = 0.000240056 Jy ! Clean residual min=-0.000694 max=0.000764 Jy/beam ! Clean residual mean=0.000000 rms=0.000180 Jy/beam ! Combined flux in latest and established models = 0.0816987 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 94 components and 0.0816987 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=0.057474Jy sigma=0.832827 ! Fit after self-cal, rms=0.057471Jy sigma=0.832809 ! 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=0.057471Jy sigma=0.832809 ! Fit after self-cal, rms=0.057671Jy sigma=0.831203 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7441 mas, bmaj=1.832 mas, bpa=-2.948 degrees ! Estimated noise=0.22973 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000154003 Jy ! Component: 100 - total flux cleaned = 0.000232087 Jy ! Component: 150 - total flux cleaned = 0.0003146 Jy ! Component: 200 - total flux cleaned = 0.000412234 Jy ! Total flux subtracted in 200 components = 0.000412234 Jy ! Clean residual min=-0.000674 max=0.000759 Jy/beam ! Clean residual mean=0.000000 rms=0.000168 Jy/beam ! Combined flux in latest and established models = 0.0821109 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 111 components and 0.082111 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=0.057665Jy sigma=0.831126 ! Fit after self-cal, rms=0.057684Jy sigma=0.831046 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 (44.8, 10.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000546518 Jy ! Component: 100 - total flux cleaned = 0.000560141 Jy ! Component: 150 - total flux cleaned = 0.000594471 Jy ! Component: 200 - total flux cleaned = 0.000670415 Jy ! Total flux subtracted in 200 components = 0.000670415 Jy ! Clean residual min=-0.000663 max=0.000674 Jy/beam ! Clean residual mean=0.000000 rms=0.000165 Jy/beam ! Combined flux in latest and established models = 0.0827814 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 125 components and 0.0827814 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=0.057676Jy sigma=0.830881 ! Fit after self-cal, rms=0.057674Jy sigma=0.830865 ! 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=0.057674Jy sigma=0.830865 ! Fit after self-cal, rms=0.057722Jy sigma=0.830848 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.908 mas, bmaj=2.715 mas, bpa=4.592 degrees ! Estimated noise=0.312841 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.05166e-05 Jy ! Component: 100 - total flux cleaned = 0.000155318 Jy ! Component: 150 - total flux cleaned = 0.000154873 Jy ! Component: 200 - total flux cleaned = 0.000165241 Jy ! Total flux subtracted in 200 components = 0.000165241 Jy ! Clean residual min=-0.000805 max=0.000844 Jy/beam ! Clean residual mean=0.000000 rms=0.000192 Jy/beam ! Combined flux in latest and established models = 0.0829467 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 145 components and 0.0829467 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=0.057720Jy sigma=0.830826 ! Fit after self-cal, rms=0.057723Jy sigma=0.830813 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 (-47.2, -38.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00067308 Jy ! Component: 100 - total flux cleaned = 0.00072996 Jy ! Component: 150 - total flux cleaned = 0.00074375 Jy ! Component: 200 - total flux cleaned = 0.000811708 Jy ! Total flux subtracted in 200 components = 0.000811708 Jy ! Clean residual min=-0.000717 max=0.000741 Jy/beam ! Clean residual mean=0.000000 rms=0.000185 Jy/beam ! Combined flux in latest and established models = 0.0837584 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 172 components and 0.0837584 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=0.057718Jy sigma=0.830704 ! Fit after self-cal, rms=0.057716Jy sigma=0.830688 ! 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=0.7435 mas, bmaj=1.832 mas, bpa=-2.957 degrees ! Estimated noise=0.229723 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7435 x 1.832 at -2.957 degrees (North through East) ! Clean map min=-0.00062675 max=0.061994 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "============== Clearing model and starting over ==========" ! ============== Clearing model and starting over ========== clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.5941 mas, bmaj=1.637 mas, bpa=-3.491 degrees ! Estimated noise=0.386906 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0449617 Jy ! Component: 100 - total flux cleaned = 0.0573558 Jy ! Component: 150 - total flux cleaned = 0.0642091 Jy ! Component: 200 - total flux cleaned = 0.0688568 Jy ! Total flux subtracted in 200 components = 0.0688568 Jy ! Clean residual min=-0.001679 max=0.002536 Jy/beam ! Clean residual mean=-0.000000 rms=0.000388 Jy/beam ! Combined flux in latest and established models = 0.0688568 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 9 model components to the UV plane model. ! The established model now contains 9 components and 0.0688568 Jy ! Inverting map and beam ! Estimated beam: bmin=0.7435 mas, bmaj=1.832 mas, bpa=-2.957 degrees ! Estimated noise=0.229723 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 = 0.00466557 Jy ! Component: 100 - total flux cleaned = 0.00721362 Jy ! Component: 150 - total flux cleaned = 0.0088125 Jy ! Component: 200 - total flux cleaned = 0.0100606 Jy ! Total flux subtracted in 200 components = 0.0100606 Jy ! Clean residual min=-0.000867 max=0.000834 Jy/beam ! Clean residual mean=-0.000000 rms=0.000203 Jy/beam ! Combined flux in latest and established models = 0.0789174 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 32 components and 0.0789174 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=1.908 mas, bmaj=2.715 mas, bpa=4.592 degrees ! Estimated noise=0.312841 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00147546 Jy ! Component: 100 - total flux cleaned = 0.0022417 Jy ! Component: 150 - total flux cleaned = 0.00289547 Jy ! Component: 200 - total flux cleaned = 0.0032453 Jy ! Total flux subtracted in 200 components = 0.0032453 Jy ! Clean residual min=-0.000873 max=0.000837 Jy/beam ! Clean residual mean=-0.000000 rms=0.000217 Jy/beam ! Combined flux in latest and established models = 0.0821627 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 = 0.000213005 Jy ! Component: 100 - total flux cleaned = 0.000447062 Jy ! Component: 150 - total flux cleaned = 0.000679148 Jy ! Component: 200 - total flux cleaned = 0.000877922 Jy ! Total flux subtracted in 200 components = 0.000877922 Jy ! Clean residual min=-0.000834 max=0.000771 Jy/beam ! Clean residual mean=-0.000000 rms=0.000201 Jy/beam ! Combined flux in latest and established models = 0.0830406 Jy ! Adding 71 model components to the UV plane model. ! The established model now contains 93 components and 0.0830406 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.7435 mas, bmaj=1.832 mas, bpa=-2.957 degrees ! Estimated noise=0.229723 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000503318 Jy ! Component: 100 - total flux cleaned = 0.000695821 Jy ! Component: 150 - total flux cleaned = 0.000744487 Jy ! Component: 200 - total flux cleaned = 0.000878165 Jy ! Total flux subtracted in 200 components = 0.000878165 Jy ! Clean residual min=-0.000640 max=0.000662 Jy/beam ! Clean residual mean=0.000000 rms=0.000168 Jy/beam ! Combined flux in latest and established models = 0.0839188 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 119 components and 0.0839187 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=0.057731Jy sigma=0.830933 ! Fit after self-cal, rms=0.057730Jy sigma=0.830872 wmodel J1457+0749_X_map.mod ! Writing 119 model components to file: J1457+0749_X_map.mod wobs J1457+0749_X_uvs.fits ! Writing UV FITS file: J1457+0749_X_uvs.fits wwins J1457+0749_X_map.win ! wwins: Wrote 7 windows to J1457+0749_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 = 0.000176957 Jy ! Component: 100 - total flux cleaned = 0.000260728 Jy ! Component: 150 - total flux cleaned = 0.000330366 Jy ! Component: 200 - total flux cleaned = 0.000386721 Jy ! Component: 250 - total flux cleaned = 0.000452918 Jy ! Component: 300 - total flux cleaned = 0.000517688 Jy ! Component: 350 - total flux cleaned = 0.000591561 Jy ! Component: 400 - total flux cleaned = 0.000622525 Jy ! Component: 450 - total flux cleaned = 0.00066321 Jy ! Component: 500 - total flux cleaned = 0.000653326 Jy ! Component: 550 - total flux cleaned = 0.000703052 Jy ! Component: 600 - total flux cleaned = 0.000673292 Jy ! Component: 650 - total flux cleaned = 0.00065384 Jy ! Component: 700 - total flux cleaned = 0.000673229 Jy ! Component: 750 - total flux cleaned = 0.000711538 Jy ! Component: 800 - total flux cleaned = 0.000758791 Jy ! Component: 850 - total flux cleaned = 0.000740094 Jy ! Component: 900 - total flux cleaned = 0.00079593 Jy ! Component: 950 - total flux cleaned = 0.000823654 Jy ! Component: 1000 - total flux cleaned = 0.000814501 Jy ! Component: 1050 - total flux cleaned = 0.000859946 Jy ! Component: 1100 - total flux cleaned = 0.000895929 Jy ! Component: 1150 - total flux cleaned = 0.000913788 Jy ! Component: 1200 - total flux cleaned = 0.000949265 Jy ! Component: 1250 - total flux cleaned = 0.000958054 Jy ! Component: 1300 - total flux cleaned = 0.00101049 Jy ! Component: 1350 - total flux cleaned = 0.00104516 Jy ! Component: 1400 - total flux cleaned = 0.0010624 Jy ! Component: 1450 - total flux cleaned = 0.00107955 Jy ! Component: 1500 - total flux cleaned = 0.00111359 Jy ! Component: 1550 - total flux cleaned = 0.0011474 Jy ! Component: 1600 - total flux cleaned = 0.00118101 Jy ! Component: 1650 - total flux cleaned = 0.0012476 Jy ! Component: 1700 - total flux cleaned = 0.00123102 Jy ! Component: 1750 - total flux cleaned = 0.00124741 Jy ! Component: 1800 - total flux cleaned = 0.00126372 Jy ! Component: 1850 - total flux cleaned = 0.00127188 Jy ! Component: 1900 - total flux cleaned = 0.00131221 Jy ! Component: 1950 - total flux cleaned = 0.00135234 Jy ! Component: 2000 - total flux cleaned = 0.00135241 Jy ! Component: 2050 - total flux cleaned = 0.00136836 Jy ! Component: 2100 - total flux cleaned = 0.00143148 Jy ! Component: 2150 - total flux cleaned = 0.00147854 Jy ! Component: 2200 - total flux cleaned = 0.00148634 Jy ! Component: 2250 - total flux cleaned = 0.00152514 Jy ! Component: 2300 - total flux cleaned = 0.00156368 Jy ! Component: 2350 - total flux cleaned = 0.00160977 Jy ! Component: 2400 - total flux cleaned = 0.00160974 Jy ! Component: 2450 - total flux cleaned = 0.0016705 Jy ! Component: 2500 - total flux cleaned = 0.00168555 Jy ! Component: 2550 - total flux cleaned = 0.00167803 Jy ! Component: 2600 - total flux cleaned = 0.00176027 Jy ! Component: 2650 - total flux cleaned = 0.00178258 Jy ! Component: 2700 - total flux cleaned = 0.00179739 Jy ! Component: 2750 - total flux cleaned = 0.00181952 Jy ! Component: 2800 - total flux cleaned = 0.00186343 Jy ! Component: 2850 - total flux cleaned = 0.00187805 Jy ! Component: 2900 - total flux cleaned = 0.00189983 Jy ! Component: 2950 - total flux cleaned = 0.00191425 Jy ! Component: 3000 - total flux cleaned = 0.00195741 Jy ! Component: 3050 - total flux cleaned = 0.00195741 Jy ! Component: 3100 - total flux cleaned = 0.00197873 Jy ! Component: 3150 - total flux cleaned = 0.00202126 Jy ! Component: 3200 - total flux cleaned = 0.00200715 Jy ! Component: 3250 - total flux cleaned = 0.00202113 Jy ! Component: 3300 - total flux cleaned = 0.00201408 Jy ! Component: 3350 - total flux cleaned = 0.00202805 Jy ! Component: 3400 - total flux cleaned = 0.00208357 Jy ! Component: 3450 - total flux cleaned = 0.00209048 Jy ! Component: 3500 - total flux cleaned = 0.00210423 Jy ! Component: 3550 - total flux cleaned = 0.00211111 Jy ! Component: 3600 - total flux cleaned = 0.00211112 Jy ! Component: 3650 - total flux cleaned = 0.00211793 Jy ! Component: 3700 - total flux cleaned = 0.0021585 Jy ! Component: 3750 - total flux cleaned = 0.00215175 Jy ! Component: 3800 - total flux cleaned = 0.00218527 Jy ! Component: 3850 - total flux cleaned = 0.00219865 Jy ! Component: 3900 - total flux cleaned = 0.00219862 Jy ! Component: 3950 - total flux cleaned = 0.00218536 Jy ! Component: 4000 - total flux cleaned = 0.00221833 Jy ! Component: 4050 - total flux cleaned = 0.00217236 Jy ! Total flux subtracted in 4096 components = 0.00219859 Jy ! Clean residual min=-0.000386 max=0.000381 Jy/beam ! Clean residual mean=-0.000000 rms=0.000114 Jy/beam ! Combined flux in latest and established models = 0.0861173 Jy keep ! Adding 356 model components to the UV plane model. ! The established model now contains 475 components and 0.0861173 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J1457+0749_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7435 x 1.832 at -2.957 degrees (North through East) ! Clean map min=-0.00047103 max=0.061856 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J1457+0749_X_map.fits wmodel /vlbi/bp222/maps//J1457+0749_X_map.mod ! Writing 475 model components to file: /vlbi/bp222/maps//J1457+0749_X_map.mod wobs /vlbi/bp222/maps//J1457+0749_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J1457+0749_X_uvs.fits wwins /vlbi/bp222/maps//J1457+0749_X_map.win ! wwins: Wrote 8 windows to /vlbi/bp222/maps//J1457+0749_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0618557 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000114142 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.55359 0.55359 1.10718 2.21436 4.42872 8.85744 17.7149 35.4297 70.8595 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.061 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 541.917 quit ! Quitting program ! Log file /vlbi/bp222/maps//J1457+0749_X_dfm.log closed on Thu Sep 27 11:16:21 2018