! Started logfile: /vlbi/bp222/maps//J1957-3845_X_dfm.log on Thu Sep 27 11:33:58 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//J1957-3845_X_uvm.fits ! Reading UV FITS file: /vlbi/bp222/maps//J1957-3845_X_uvm.fits ! AN table 1: 14 integrations on 15 of 15 possible baselines. ! AN table 2: 61 integrations on 21 of 21 possible baselines. ! Apparent sampling: 0.590208 visibilities/baseline/integration-bin. ! Found source: J1957-3845 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 134 lines of history. ! ! Reading 10560 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 J1957-3845_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 120 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 120 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 120 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 120 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 5. ! A total of 120 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 6. ! A total of 120 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 7. ! A total of 120 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 8. ! A total of 120 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 9. ! A total of 120 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 10. ! A total of 120 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 11. ! A total of 120 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 12. ! A total of 120 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.374904Jy sigma=14.207363 ! Fit after self-cal, rms=0.297692Jy sigma=2.458659 ! 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=0.753 mas, bmaj=2.28 mas, bpa=-16.1 degrees ! Estimated noise=1.65842 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 = 0.640576 Jy ! Component: 100 - total flux cleaned = 0.8476 Jy ! Total flux subtracted in 100 components = 0.8476 Jy ! Clean residual min=-0.073755 max=0.123968 Jy/beam ! Clean residual mean=0.000125 rms=0.016304 Jy/beam ! Combined flux in latest and established models = 0.8476 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.8476 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=0.252096Jy sigma=2.770800 ! Fit after self-cal, rms=0.252252Jy sigma=2.766772 ! Inverting map ! Added new window around map position (1.2, -1.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.117526 Jy ! Component: 100 - total flux cleaned = 0.177817 Jy ! Total flux subtracted in 100 components = 0.177817 Jy ! Clean residual min=-0.054920 max=0.063115 Jy/beam ! Clean residual mean=0.000013 rms=0.010269 Jy/beam ! Combined flux in latest and established models = 1.02542 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 17 components and 1.02542 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=0.174858Jy sigma=1.761414 ! Fit after self-cal, rms=0.173711Jy sigma=1.728487 ! 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=1.206 mas, bmaj=3.565 mas, bpa=-14.21 degrees ! Estimated noise=0.742333 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 = 0.0772858 Jy ! Component: 100 - total flux cleaned = 0.114614 Jy ! Component: 150 - total flux cleaned = 0.134089 Jy ! Component: 200 - total flux cleaned = 0.140343 Jy ! Total flux subtracted in 200 components = 0.140343 Jy ! Clean residual min=-0.041228 max=0.046342 Jy/beam ! Clean residual mean=-0.000218 rms=0.009246 Jy/beam ! Combined flux in latest and established models = 1.16576 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 28 components and 1.16576 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=0.151522Jy sigma=1.267849 ! Fit after self-cal, rms=0.151383Jy sigma=1.266521 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.206 x 3.565 at -14.21 degrees (North through East) ! Clean map min=-0.039578 max=0.69568 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 KP 0.98 LA 0.97 NL 1.12 ! OV 1.00 SC 1.07 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.96 HN 1.57 LA 0.97 MK 1.06 ! NL 1.15 OV 0.95 PT 1.05 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 KP 1.00 LA 0.97 NL 1.10 ! OV 0.99 SC 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.98 HN 1.46 LA 0.96 MK 1.05 ! NL 1.17 OV 0.95 PT 1.05 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 KP 0.97 LA 0.96 NL 1.11 ! OV 1.00 SC 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.96 HN 1.42 LA 0.97 MK 1.06 ! NL 1.17 OV 0.95 PT 1.04 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 KP 0.98 LA 0.97 NL 1.12 ! OV 1.01 SC 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.97 HN 1.37 LA 0.97 MK 1.08 ! NL 1.17 OV 0.95 PT 1.05 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 KP 1.00 LA 0.96 NL 1.11 ! OV 0.99 SC 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.97 HN 1.29 LA 0.98 MK 1.05 ! NL 1.13 OV 0.95 PT 1.05 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 1.01 KP 0.99 LA 0.94 NL 1.11 ! OV 0.98 SC 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.98 HN 1.31 LA 0.96 MK 1.04 ! NL 1.14 OV 0.94 PT 1.05 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 KP 1.00 LA 0.95 NL 1.10 ! OV 0.98 SC 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.96 HN 1.26 LA 0.96 MK 1.05 ! NL 1.13 OV 0.94 PT 1.05 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 KP 0.99 LA 0.95 NL 1.13 ! OV 0.97 SC 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.98 HN 1.32 LA 0.99 MK 1.05 ! NL 1.12 OV 0.94 PT 1.04 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00 KP 1.00 LA 0.95 NL 1.09 ! OV 0.97 SC 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.96 HN 1.36 LA 0.96 MK 1.04 ! NL 1.14 OV 0.94 PT 1.06 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 KP 0.98 LA 0.95 NL 1.08 ! OV 0.97 SC 0.98 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.99 HN 1.25 LA 0.96 MK 1.01 ! NL 1.13 OV 0.93 PT 1.04 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00 KP 0.98 LA 0.96 NL 1.07 ! OV 0.98 SC 1.00 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.95 HN 1.27 LA 0.99 MK 1.05 ! NL 1.10 OV 0.93 PT 1.05 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! FD 0.98 KP 0.98 LA 0.96 NL 1.08 ! OV 0.97 SC 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.97 HN 1.34 LA 0.98 MK 1.00 ! NL 1.11 OV 0.92 PT 1.05 ! ! ! Fit before self-cal, rms=0.151383Jy sigma=1.266521 ! Fit after self-cal, rms=0.141942Jy sigma=1.049276 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.244 mas, bmaj=3.58 mas, bpa=-13.69 degrees ! Estimated noise=0.75685 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 = -0.0164108 Jy ! Component: 100 - total flux cleaned = -0.0190056 Jy ! Component: 150 - total flux cleaned = -0.0210861 Jy ! Component: 200 - total flux cleaned = -0.0227708 Jy ! Total flux subtracted in 200 components = -0.0227708 Jy ! Clean residual min=-0.020963 max=0.030086 Jy/beam ! Clean residual mean=-0.000225 rms=0.005849 Jy/beam ! Combined flux in latest and established models = 1.14299 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 33 components and 1.14299 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=0.137269Jy sigma=1.020079 ! Fit after self-cal, rms=0.136943Jy sigma=1.017871 ! Inverting map ! Added new window around map position (-1.8, -1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0199629 Jy ! Component: 100 - total flux cleaned = 0.0186958 Jy ! Component: 150 - total flux cleaned = 0.0187127 Jy ! Component: 200 - total flux cleaned = 0.0191408 Jy ! Total flux subtracted in 200 components = 0.0191408 Jy ! Clean residual min=-0.017285 max=0.017833 Jy/beam ! Clean residual mean=-0.000219 rms=0.004939 Jy/beam ! Combined flux in latest and established models = 1.16213 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 51 components and 1.16213 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=0.129456Jy sigma=0.951030 ! Fit after self-cal, rms=0.128622Jy sigma=0.943332 ! 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=0.128622Jy sigma=0.943332 ! Fit after self-cal, rms=0.127929Jy sigma=0.921559 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.249 mas, bmaj=3.596 mas, bpa=-13.96 degrees ! Estimated noise=0.75343 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00526577 Jy ! Component: 100 - total flux cleaned = -0.00827416 Jy ! Component: 150 - total flux cleaned = -0.0100037 Jy ! Component: 200 - total flux cleaned = -0.0103075 Jy ! Total flux subtracted in 200 components = -0.0103075 Jy ! Clean residual min=-0.015951 max=0.015801 Jy/beam ! Clean residual mean=-0.000190 rms=0.004156 Jy/beam ! Combined flux in latest and established models = 1.15182 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 57 components and 1.15182 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=0.124394Jy sigma=0.901524 ! Fit after self-cal, rms=0.124237Jy sigma=0.900199 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 = 0.000698351 Jy ! Component: 100 - total flux cleaned = 0.00042433 Jy ! Component: 150 - total flux cleaned = -9.55848e-05 Jy ! Component: 200 - total flux cleaned = -0.000337281 Jy ! Total flux subtracted in 200 components = -0.000337281 Jy ! Clean residual min=-0.014845 max=0.015513 Jy/beam ! Clean residual mean=-0.000188 rms=0.004030 Jy/beam ! Combined flux in latest and established models = 1.15149 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 67 components and 1.15149 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=0.122695Jy sigma=0.891446 ! Fit after self-cal, rms=0.122604Jy sigma=0.890992 ! 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=0.122604Jy sigma=0.890992 ! Fit after self-cal, rms=0.116481Jy sigma=0.802972 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.25 mas, bmaj=3.597 mas, bpa=-14.03 degrees ! Estimated noise=0.753068 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000692693 Jy ! Component: 100 - total flux cleaned = -0.000413148 Jy ! Component: 150 - total flux cleaned = -0.000184131 Jy ! Component: 200 - total flux cleaned = -0.000183271 Jy ! Total flux subtracted in 200 components = -0.000183271 Jy ! Clean residual min=-0.009174 max=0.007563 Jy/beam ! Clean residual mean=-0.000066 rms=0.002060 Jy/beam ! Combined flux in latest and established models = 1.1513 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 77 components and 1.1513 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=0.114614Jy sigma=0.793572 ! Fit after self-cal, rms=0.114545Jy sigma=0.792693 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 = 0.00130824 Jy ! Component: 100 - total flux cleaned = 0.00151159 Jy ! Component: 150 - total flux cleaned = 0.00169617 Jy ! Component: 200 - total flux cleaned = 0.00169726 Jy ! Total flux subtracted in 200 components = 0.00169726 Jy ! Clean residual min=-0.008743 max=0.007686 Jy/beam ! Clean residual mean=-0.000064 rms=0.001958 Jy/beam ! Combined flux in latest and established models = 1.153 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 84 components and 1.153 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=0.113488Jy sigma=0.788517 ! Fit after self-cal, rms=0.113395Jy sigma=0.788042 ! 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=0.113395Jy sigma=0.788042 ! Fit after self-cal, rms=0.113844Jy sigma=0.785941 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.611 mas, bmaj=13.03 mas, bpa=-12.8 degrees ! Estimated noise=0.780375 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000585961 Jy ! Component: 100 - total flux cleaned = -0.000698937 Jy ! Component: 150 - total flux cleaned = -0.000586982 Jy ! Component: 200 - total flux cleaned = -0.000493561 Jy ! Total flux subtracted in 200 components = -0.000493561 Jy ! Clean residual min=-0.007869 max=0.006314 Jy/beam ! Clean residual mean=-0.000091 rms=0.001814 Jy/beam ! Combined flux in latest and established models = 1.15251 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 96 components and 1.15251 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=0.113124Jy sigma=0.783606 ! Fit after self-cal, rms=0.113075Jy sigma=0.783137 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 = 0.000374345 Jy ! Component: 100 - total flux cleaned = 0.0005425 Jy ! Component: 150 - total flux cleaned = 0.000603794 Jy ! Component: 200 - total flux cleaned = 0.000666383 Jy ! Total flux subtracted in 200 components = 0.000666383 Jy ! Clean residual min=-0.007893 max=0.006245 Jy/beam ! Clean residual mean=-0.000089 rms=0.001801 Jy/beam ! Combined flux in latest and established models = 1.15317 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 105 components and 1.15317 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=0.112702Jy sigma=0.782297 ! Fit after self-cal, rms=0.112653Jy sigma=0.781880 ! 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=1.249 mas, bmaj=3.592 mas, bpa=-14.13 degrees ! Estimated noise=0.75275 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.249 x 3.592 at -14.13 degrees (North through East) ! Clean map min=-0.015238 max=0.72136 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=0.112653Jy sigma=0.781880 ! Fit after self-cal, rms=0.105442Jy sigma=0.650189 ! Inverting map and beam ! Estimated beam: bmin=1.247 mas, bmaj=3.587 mas, bpa=-14.13 degrees ! Estimated noise=0.752696 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00031757 Jy ! Component: 100 - total flux cleaned = -6.85206e-07 Jy ! Component: 150 - total flux cleaned = 0.00014622 Jy ! Component: 200 - total flux cleaned = 0.000292999 Jy ! Total flux subtracted in 200 components = 0.000292999 Jy ! Clean residual min=-0.007749 max=0.006461 Jy/beam ! Clean residual mean=-0.000043 rms=0.001620 Jy/beam ! Combined flux in latest and established models = 1.15347 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 110 components and 1.15347 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=0.104489Jy sigma=0.646888 ! Fit after self-cal, rms=0.104447Jy sigma=0.646561 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000522589 Jy ! Component: 100 - total flux cleaned = 0.000520751 Jy ! Component: 150 - total flux cleaned = 0.000518424 Jy ! Component: 200 - total flux cleaned = 0.000522579 Jy ! Total flux subtracted in 200 components = 0.000522579 Jy ! Clean residual min=-0.007807 max=0.006180 Jy/beam ! Clean residual mean=-0.000041 rms=0.001585 Jy/beam ! Combined flux in latest and established models = 1.15399 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 114 components and 1.15399 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=0.103883Jy sigma=0.644541 ! Fit after self-cal, rms=0.103839Jy sigma=0.644353 ! 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=0.103839Jy sigma=0.644353 ! Fit after self-cal, rms=0.104268Jy sigma=0.643281 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=0.7752 mas, bmaj=2.241 mas, bpa=-15.97 degrees ! Estimated noise=1.76486 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.680669 Jy ! Component: 100 - total flux cleaned = 0.868267 Jy ! Component: 150 - total flux cleaned = 0.959786 Jy ! Component: 200 - total flux cleaned = 1.01862 Jy ! Total flux subtracted in 200 components = 1.01862 Jy ! Clean residual min=-0.026035 max=0.033777 Jy/beam ! Clean residual mean=0.000060 rms=0.006159 Jy/beam ! Combined flux in latest and established models = 1.01862 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 27 model components to the UV plane model. ! The established model now contains 27 components and 1.01862 Jy ! Inverting map and beam ! Estimated beam: bmin=1.246 mas, bmaj=3.584 mas, bpa=-14.16 degrees ! Estimated noise=0.753075 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 = 0.064243 Jy ! Component: 100 - total flux cleaned = 0.0977821 Jy ! Component: 150 - total flux cleaned = 0.117527 Jy ! Component: 200 - total flux cleaned = 0.12944 Jy ! Total flux subtracted in 200 components = 0.12944 Jy ! Clean residual min=-0.008825 max=0.009735 Jy/beam ! Clean residual mean=-0.000038 rms=0.002148 Jy/beam ! Combined flux in latest and established models = 1.14806 Jy ! Adding 39 model components to the UV plane model. ! The established model now contains 55 components and 1.14806 Jy ! Inverting map ! Added new window around map position (6.8, 2.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00489898 Jy ! Component: 100 - total flux cleaned = 0.00666276 Jy ! Component: 150 - total flux cleaned = 0.00831712 Jy ! Component: 200 - total flux cleaned = 0.00891472 Jy ! Total flux subtracted in 200 components = 0.00891472 Jy ! Clean residual min=-0.006712 max=0.005489 Jy/beam ! Clean residual mean=-0.000038 rms=0.001473 Jy/beam ! Combined flux in latest and established models = 1.15697 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 72 components and 1.15697 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=2.615 mas, bmaj=13.04 mas, bpa=-12.72 degrees ! Estimated noise=0.780959 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00220293 Jy ! Component: 100 - total flux cleaned = 0.0021007 Jy ! Component: 150 - total flux cleaned = 0.00210285 Jy ! Component: 200 - total flux cleaned = 0.00202154 Jy ! Total flux subtracted in 200 components = 0.00202154 Jy ! Clean residual min=-0.004850 max=0.004372 Jy/beam ! Clean residual mean=-0.000059 rms=0.001339 Jy/beam ! Combined flux in latest and established models = 1.159 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 = 7.20896e-05 Jy ! Component: 100 - total flux cleaned = 0.000137746 Jy ! Component: 150 - total flux cleaned = 0.000261014 Jy ! Component: 200 - total flux cleaned = 0.000261308 Jy ! Total flux subtracted in 200 components = 0.000261308 Jy ! Clean residual min=-0.004602 max=0.004237 Jy/beam ! Clean residual mean=-0.000059 rms=0.001290 Jy/beam ! Combined flux in latest and established models = 1.15926 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 100 components and 1.15926 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.246 mas, bmaj=3.584 mas, bpa=-14.16 degrees ! Estimated noise=0.753075 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00111166 Jy ! Component: 100 - total flux cleaned = -0.0013478 Jy ! Component: 150 - total flux cleaned = -0.00135306 Jy ! Component: 200 - total flux cleaned = -0.00145008 Jy ! Total flux subtracted in 200 components = -0.00145008 Jy ! Clean residual min=-0.005767 max=0.004573 Jy/beam ! Clean residual mean=-0.000040 rms=0.001231 Jy/beam ! Combined flux in latest and established models = 1.15781 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 114 components and 1.15781 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=0.099876Jy sigma=0.629276 ! Fit after self-cal, rms=0.099517Jy sigma=0.627960 wmodel J1957-3845_X_map.mod ! Writing 114 model components to file: J1957-3845_X_map.mod wobs J1957-3845_X_uvs.fits ! Writing UV FITS file: J1957-3845_X_uvs.fits wwins J1957-3845_X_map.win ! wwins: Wrote 4 windows to J1957-3845_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 = -0.00238305 Jy ! Component: 100 - total flux cleaned = -0.00445711 Jy ! Component: 150 - total flux cleaned = -0.00582622 Jy ! Component: 200 - total flux cleaned = -0.00666607 Jy ! Component: 250 - total flux cleaned = -0.00726484 Jy ! Component: 300 - total flux cleaned = -0.00764912 Jy ! Component: 350 - total flux cleaned = -0.00777274 Jy ! Component: 400 - total flux cleaned = -0.00795074 Jy ! Component: 450 - total flux cleaned = -0.00789287 Jy ! Component: 500 - total flux cleaned = -0.00783684 Jy ! Component: 550 - total flux cleaned = -0.00783663 Jy ! Component: 600 - total flux cleaned = -0.00772914 Jy ! Component: 650 - total flux cleaned = -0.0077281 Jy ! Component: 700 - total flux cleaned = -0.00782936 Jy ! Component: 750 - total flux cleaned = -0.00782763 Jy ! Component: 800 - total flux cleaned = -0.00782699 Jy ! Component: 850 - total flux cleaned = -0.00782665 Jy ! Component: 900 - total flux cleaned = -0.00777966 Jy ! Component: 950 - total flux cleaned = -0.0076868 Jy ! Component: 1000 - total flux cleaned = -0.00759665 Jy ! Component: 1050 - total flux cleaned = -0.00746312 Jy ! Component: 1100 - total flux cleaned = -0.00737523 Jy ! Component: 1150 - total flux cleaned = -0.00733196 Jy ! Component: 1200 - total flux cleaned = -0.00720401 Jy ! Component: 1250 - total flux cleaned = -0.00724617 Jy ! Component: 1300 - total flux cleaned = -0.00712168 Jy ! Component: 1350 - total flux cleaned = -0.00716247 Jy ! Component: 1400 - total flux cleaned = -0.00720247 Jy ! Component: 1450 - total flux cleaned = -0.00724207 Jy ! Component: 1500 - total flux cleaned = -0.00720244 Jy ! Component: 1550 - total flux cleaned = -0.00712569 Jy ! Component: 1600 - total flux cleaned = -0.00693493 Jy ! Component: 1650 - total flux cleaned = -0.0068984 Jy ! Component: 1700 - total flux cleaned = -0.0069349 Jy ! Component: 1750 - total flux cleaned = -0.00678781 Jy ! Component: 1800 - total flux cleaned = -0.00686069 Jy ! Component: 1850 - total flux cleaned = -0.00693246 Jy ! Component: 1900 - total flux cleaned = -0.00693249 Jy ! Component: 1950 - total flux cleaned = -0.00689749 Jy ! Component: 2000 - total flux cleaned = -0.00689807 Jy ! Component: 2050 - total flux cleaned = -0.00693252 Jy ! Component: 2100 - total flux cleaned = -0.00700034 Jy ! Component: 2150 - total flux cleaned = -0.00693309 Jy ! Component: 2200 - total flux cleaned = -0.00686733 Jy ! Component: 2250 - total flux cleaned = -0.00693259 Jy ! Component: 2300 - total flux cleaned = -0.00683557 Jy ! Component: 2350 - total flux cleaned = -0.0067718 Jy ! Component: 2400 - total flux cleaned = -0.00686667 Jy ! Component: 2450 - total flux cleaned = -0.00674179 Jy ! Component: 2500 - total flux cleaned = -0.00674215 Jy ! Component: 2550 - total flux cleaned = -0.00677292 Jy ! Component: 2600 - total flux cleaned = -0.00677271 Jy ! Component: 2650 - total flux cleaned = -0.0066231 Jy ! Component: 2700 - total flux cleaned = -0.0065643 Jy ! Component: 2750 - total flux cleaned = -0.00659371 Jy ! Component: 2800 - total flux cleaned = -0.0065644 Jy ! Component: 2850 - total flux cleaned = -0.00650658 Jy ! Component: 2900 - total flux cleaned = -0.00644954 Jy ! Component: 2950 - total flux cleaned = -0.00630879 Jy ! Component: 3000 - total flux cleaned = -0.00622535 Jy ! Component: 3050 - total flux cleaned = -0.00611505 Jy ! Component: 3100 - total flux cleaned = -0.00597815 Jy ! Component: 3150 - total flux cleaned = -0.00595117 Jy ! Component: 3200 - total flux cleaned = -0.00581668 Jy ! Component: 3250 - total flux cleaned = -0.00573645 Jy ! Component: 3300 - total flux cleaned = -0.00563057 Jy ! Component: 3350 - total flux cleaned = -0.00552562 Jy ! Component: 3400 - total flux cleaned = -0.00539569 Jy ! Component: 3450 - total flux cleaned = -0.00529252 Jy ! Component: 3500 - total flux cleaned = -0.00521598 Jy ! Component: 3550 - total flux cleaned = -0.00514007 Jy ! Component: 3600 - total flux cleaned = -0.00498936 Jy ! Component: 3650 - total flux cleaned = -0.00496441 Jy ! Component: 3700 - total flux cleaned = -0.00489022 Jy ! Component: 3750 - total flux cleaned = -0.00481655 Jy ! Component: 3800 - total flux cleaned = -0.00476769 Jy ! Component: 3850 - total flux cleaned = -0.00469515 Jy ! Component: 3900 - total flux cleaned = -0.00464732 Jy ! Component: 3950 - total flux cleaned = -0.00457564 Jy ! Component: 4000 - total flux cleaned = -0.00450479 Jy ! Component: 4050 - total flux cleaned = -0.00450484 Jy ! Total flux subtracted in 4096 components = -0.00443485 Jy ! Clean residual min=-0.001227 max=0.001313 Jy/beam ! Clean residual mean=-0.000014 rms=0.000432 Jy/beam ! Combined flux in latest and established models = 1.15337 Jy keep ! Adding 225 model components to the UV plane model. ! The established model now contains 339 components and 1.15337 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J1957-3845_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.246 x 3.584 at -14.16 degrees (North through East) ! Clean map min=-0.0076956 max=0.72166 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J1957-3845_X_map.fits wmodel /vlbi/bp222/maps//J1957-3845_X_map.mod ! Writing 339 model components to file: /vlbi/bp222/maps//J1957-3845_X_map.mod wobs /vlbi/bp222/maps//J1957-3845_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J1957-3845_X_uvs.fits wwins /vlbi/bp222/maps//J1957-3845_X_map.win ! wwins: Wrote 5 windows to /vlbi/bp222/maps//J1957-3845_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.721661 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000431482 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.17937 0.17937 0.358741 0.717481 1.43496 2.86993 5.73985 11.4797 22.9594 45.9188 91.8376 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0012 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.721 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1672.52 quit ! Quitting program ! Log file /vlbi/bp222/maps//J1957-3845_X_dfm.log closed on Thu Sep 27 11:34:02 2018