! Started logfile: .//J2256-2735_X_20180530_dfm.log on Sun Jul 8 13:57:17 2018 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 7.39200 obs .//J2256-2735_X_20180530_uva.fits ! Reading UV FITS file: .//J2256-2735_X_20180530_uva.fits ! AN table 1: 22 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.978788 visibilities/baseline/integration-bin. ! Found source: J2256-2735 ! ! 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 7.392e+09 3.2e+07 1 3.2e+07 ! 02 2 7.424e+09 3.2e+07 1 3.2e+07 ! 03 3 7.456e+09 3.2e+07 1 3.2e+07 ! 04 4 7.552e+09 3.2e+07 1 3.2e+07 ! 05 5 7.744e+09 3.2e+07 1 3.2e+07 ! 06 6 7.776e+09 3.2e+07 1 3.2e+07 ! 07 7 7.808e+09 3.2e+07 1 3.2e+07 ! 08 8 7.84e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 94 lines of history. ! ! Reading 7752 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 = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/opt64/bin/pima_mupet_01.dfm J2256-2735_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 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.012936Jy sigma=20.140404 ! Fit after self-cal, rms=0.862986Jy sigma=17.038522 ! 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=0.7041 mas, bmaj=1.967 mas, bpa=-9.4 degrees ! Estimated noise=0.738325 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 = 0.103963 Jy ! Component: 100 - total flux cleaned = 0.126974 Jy ! Total flux subtracted in 100 components = 0.126974 Jy ! Clean residual min=-0.006985 max=0.011728 Jy/beam ! Clean residual mean=0.000012 rms=0.001622 Jy/beam ! Combined flux in latest and established models = 0.126974 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.126974 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=0.050427Jy sigma=0.935639 ! Fit after self-cal, rms=0.050428Jy sigma=0.935505 ! Inverting map ! Added new window around map position (-0.8, -2.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.01082 Jy ! Component: 100 - total flux cleaned = 0.0169409 Jy ! Total flux subtracted in 100 components = 0.0169409 Jy ! Clean residual min=-0.006361 max=0.010481 Jy/beam ! Clean residual mean=0.000008 rms=0.001346 Jy/beam ! Combined flux in latest and established models = 0.143915 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 13 components and 0.143915 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=0.046383Jy sigma=0.837379 ! Fit after self-cal, rms=0.046361Jy sigma=0.835006 ! Inverting map ! Added new window around map position (1.8, 2.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0101958 Jy ! Component: 100 - total flux cleaned = 0.0160445 Jy ! Total flux subtracted in 100 components = 0.0160445 Jy ! Clean residual min=-0.005647 max=0.005349 Jy/beam ! Clean residual mean=0.000005 rms=0.000972 Jy/beam ! Combined flux in latest and established models = 0.15996 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 31 components and 0.15996 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=0.042654Jy sigma=0.748064 ! Fit after self-cal, rms=0.042522Jy sigma=0.745241 ! 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=0.9349 mas, bmaj=2.441 mas, bpa=-7.841 degrees ! Estimated noise=0.417653 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 = 0.00817139 Jy ! Component: 100 - total flux cleaned = 0.0127213 Jy ! Component: 150 - total flux cleaned = 0.0155393 Jy ! Component: 200 - total flux cleaned = 0.0173779 Jy ! Total flux subtracted in 200 components = 0.0173779 Jy ! Clean residual min=-0.004377 max=0.003580 Jy/beam ! Clean residual mean=0.000002 rms=0.000878 Jy/beam ! Combined flux in latest and established models = 0.177338 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 52 components and 0.177338 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=0.040956Jy sigma=0.708597 ! Fit after self-cal, rms=0.040836Jy sigma=0.705948 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9349 x 2.441 at -7.841 degrees (North through East) ! Clean map min=-0.0037296 max=0.12758 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.03 HN 1.02 KP 0.97 ! LA 1.01 MK 0.97 NL 1.03 OV 0.99 ! PT 1.00 SC 0.96 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 FD 1.02 HN 1.05 KP 0.98 ! LA 1.06 MK 0.99 NL 1.00 OV 0.97 ! PT 1.01 SC 0.96 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.01 HN 1.02 KP 0.98 ! LA 1.01 MK 1.00 NL 1.01 OV 0.98 ! PT 0.99 SC 0.98 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 1.01 HN 1.09 KP 0.98 ! LA 1.08 MK 0.98 NL 0.98 OV 0.97 ! PT 1.00 SC 0.98 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.01 HN 1.15 KP 0.98 ! LA 1.04 MK 1.02 NL 1.03 OV 1.01 ! PT 0.99 SC 1.02 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.00 HN 1.06 KP 0.99 ! LA 1.04 MK 1.00 NL 1.00 OV 0.98 ! PT 1.00 SC 1.02 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.02 HN 1.10 KP 0.95 ! LA 1.03 MK 1.03 NL 1.04 OV 0.98 ! PT 1.01 SC 1.05 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 1.04 HN 1.09 KP 0.97 ! LA 1.02 MK 1.06 NL 1.00 OV 0.96 ! PT 1.00 SC 1.03 ! ! ! Fit before self-cal, rms=0.040836Jy sigma=0.705948 ! Fit after self-cal, rms=0.040486Jy sigma=0.687976 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9397 mas, bmaj=2.437 mas, bpa=-7.619 degrees ! Estimated noise=0.416336 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 (3.4, 3.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00147765 Jy ! Component: 100 - total flux cleaned = 0.00170575 Jy ! Component: 150 - total flux cleaned = 0.00171468 Jy ! Component: 200 - total flux cleaned = 0.00160372 Jy ! Total flux subtracted in 200 components = 0.00160372 Jy ! Clean residual min=-0.002367 max=0.001998 Jy/beam ! Clean residual mean=-0.000002 rms=0.000518 Jy/beam ! Combined flux in latest and established models = 0.178941 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 75 components and 0.178941 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=0.040273Jy sigma=0.683831 ! Fit after self-cal, rms=0.040246Jy sigma=0.683254 ! 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=0.040246Jy sigma=0.683254 ! Fit after self-cal, rms=0.040174Jy sigma=0.683082 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9386 mas, bmaj=2.434 mas, bpa=-7.596 degrees ! Estimated noise=0.415264 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000136702 Jy ! Component: 100 - total flux cleaned = 0.000257118 Jy ! Component: 150 - total flux cleaned = 0.000342505 Jy ! Component: 200 - total flux cleaned = 0.000317366 Jy ! Total flux subtracted in 200 components = 0.000317366 Jy ! Clean residual min=-0.002141 max=0.001812 Jy/beam ! Clean residual mean=-0.000002 rms=0.000480 Jy/beam ! Combined flux in latest and established models = 0.179259 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 90 components and 0.179259 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=0.040107Jy sigma=0.681828 ! Fit after self-cal, rms=0.040093Jy sigma=0.681603 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 = 0.000266455 Jy ! Component: 100 - total flux cleaned = 0.000341731 Jy ! Component: 150 - total flux cleaned = 0.000319793 Jy ! Component: 200 - total flux cleaned = 0.000299409 Jy ! Total flux subtracted in 200 components = 0.000299409 Jy ! Clean residual min=-0.001967 max=0.001782 Jy/beam ! Clean residual mean=-0.000002 rms=0.000465 Jy/beam ! Combined flux in latest and established models = 0.179558 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 103 components and 0.179558 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=0.040055Jy sigma=0.681028 ! Fit after self-cal, rms=0.040046Jy sigma=0.680899 ! 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=0.040046Jy sigma=0.680899 ! Fit after self-cal, rms=0.040123Jy sigma=0.680798 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9388 mas, bmaj=2.434 mas, bpa=-7.555 degrees ! Estimated noise=0.414914 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000116495 Jy ! Component: 100 - total flux cleaned = -9.61038e-05 Jy ! Component: 150 - total flux cleaned = -5.75076e-05 Jy ! Component: 200 - total flux cleaned = -3.95771e-05 Jy ! Total flux subtracted in 200 components = -3.95771e-05 Jy ! Clean residual min=-0.001838 max=0.001771 Jy/beam ! Clean residual mean=-0.000002 rms=0.000448 Jy/beam ! Combined flux in latest and established models = 0.179519 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 107 components and 0.179519 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=0.040094Jy sigma=0.680341 ! Fit after self-cal, rms=0.040089Jy sigma=0.680249 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 = 0.00015713 Jy ! Component: 100 - total flux cleaned = 0.000192133 Jy ! Component: 150 - total flux cleaned = 0.000176472 Jy ! Component: 200 - total flux cleaned = 0.000147425 Jy ! Total flux subtracted in 200 components = 0.000147425 Jy ! Clean residual min=-0.001763 max=0.001741 Jy/beam ! Clean residual mean=-0.000002 rms=0.000441 Jy/beam ! Combined flux in latest and established models = 0.179666 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 113 components and 0.179666 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=0.040071Jy sigma=0.679977 ! Fit after self-cal, rms=0.040066Jy sigma=0.679921 ! 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. ! ! Fit before self-cal, rms=0.040066Jy sigma=0.679921 ! Fit after self-cal, rms=0.040136Jy sigma=0.679866 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.26 mas, bmaj=5.487 mas, bpa=-4.733 degrees ! Estimated noise=0.50985 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.90052e-05 Jy ! Component: 100 - total flux cleaned = 3.908e-05 Jy ! Component: 150 - total flux cleaned = 3.9874e-05 Jy ! Component: 200 - total flux cleaned = 8.90997e-06 Jy ! Total flux subtracted in 200 components = 8.90997e-06 Jy ! Clean residual min=-0.002068 max=0.002272 Jy/beam ! Clean residual mean=-0.000003 rms=0.000605 Jy/beam ! Combined flux in latest and established models = 0.179675 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 132 components and 0.179675 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=0.040132Jy sigma=0.679663 ! Fit after self-cal, rms=0.040130Jy sigma=0.679626 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 = 7.16494e-05 Jy ! Component: 100 - total flux cleaned = 4.07956e-05 Jy ! Component: 150 - total flux cleaned = -2.29509e-07 Jy ! Component: 200 - total flux cleaned = -2.57688e-05 Jy ! Total flux subtracted in 200 components = -2.57688e-05 Jy ! Clean residual min=-0.002049 max=0.002270 Jy/beam ! Clean residual mean=-0.000003 rms=0.000601 Jy/beam ! Combined flux in latest and established models = 0.179649 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 137 components and 0.179649 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=0.040124Jy sigma=0.679566 ! Fit after self-cal, rms=0.040122Jy sigma=0.679545 ! 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=0.9392 mas, bmaj=2.434 mas, bpa=-7.503 degrees ! Estimated noise=0.414672 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9392 x 2.434 at -7.503 degrees (North through East) ! Clean map min=-0.0015711 max=0.12662 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=0.7062 mas, bmaj=1.957 mas, bpa=-8.992 degrees ! Estimated noise=0.733166 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.103154 Jy ! Component: 100 - total flux cleaned = 0.127046 Jy ! Component: 150 - total flux cleaned = 0.137838 Jy ! Component: 200 - total flux cleaned = 0.145838 Jy ! Total flux subtracted in 200 components = 0.145838 Jy ! Clean residual min=-0.003102 max=0.005064 Jy/beam ! Clean residual mean=0.000006 rms=0.000961 Jy/beam ! Combined flux in latest and established models = 0.145838 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 23 model components to the UV plane model. ! The established model now contains 23 components and 0.145838 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9392 mas, bmaj=2.434 mas, bpa=-7.503 degrees ! Estimated noise=0.414672 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) ! Added new window around map position (1, 0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0124011 Jy ! Component: 100 - total flux cleaned = 0.0197309 Jy ! Component: 150 - total flux cleaned = 0.0244335 Jy ! Component: 200 - total flux cleaned = 0.0275241 Jy ! Total flux subtracted in 200 components = 0.0275241 Jy ! Clean residual min=-0.002124 max=0.002085 Jy/beam ! Clean residual mean=-0.000001 rms=0.000530 Jy/beam ! Combined flux in latest and established models = 0.173362 Jy ! Adding 58 model components to the UV plane model. ! The established model now contains 73 components and 0.173362 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=2.26 mas, bmaj=5.487 mas, bpa=-4.733 degrees ! Estimated noise=0.50985 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00317605 Jy ! Component: 100 - total flux cleaned = 0.00487184 Jy ! Component: 150 - total flux cleaned = 0.00587179 Jy ! Component: 200 - total flux cleaned = 0.0061939 Jy ! Total flux subtracted in 200 components = 0.0061939 Jy ! Clean residual min=-0.001999 max=0.002266 Jy/beam ! Clean residual mean=-0.000003 rms=0.000607 Jy/beam ! Combined flux in latest and established models = 0.179556 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 = 6.64283e-05 Jy ! Component: 100 - total flux cleaned = 6.7518e-05 Jy ! Component: 150 - total flux cleaned = 6.86554e-05 Jy ! Component: 200 - total flux cleaned = 8.41813e-05 Jy ! Total flux subtracted in 200 components = 8.41813e-05 Jy ! Clean residual min=-0.001975 max=0.002191 Jy/beam ! Clean residual mean=-0.000003 rms=0.000597 Jy/beam ! Combined flux in latest and established models = 0.17964 Jy ! Adding 71 model components to the UV plane model. ! The established model now contains 135 components and 0.17964 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9392 mas, bmaj=2.434 mas, bpa=-7.503 degrees ! Estimated noise=0.414672 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000205333 Jy ! Component: 100 - total flux cleaned = 0.000236 Jy ! Component: 150 - total flux cleaned = 0.000261384 Jy ! Component: 200 - total flux cleaned = 0.000223938 Jy ! Total flux subtracted in 200 components = 0.000223938 Jy ! Clean residual min=-0.001719 max=0.001652 Jy/beam ! Clean residual mean=-0.000001 rms=0.000419 Jy/beam ! Combined flux in latest and established models = 0.179864 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 154 components and 0.179864 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=0.040087Jy sigma=0.679159 ! Fit after self-cal, rms=0.040076Jy sigma=0.679020 wmodel J2256-2735_X_map.mod ! Writing 154 model components to file: J2256-2735_X_map.mod wobs J2256-2735_X_uvs.fits ! Writing UV FITS file: J2256-2735_X_uvs.fits wwins J2256-2735_X_map.win ! wwins: Wrote 5 windows to J2256-2735_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 = 0.000140228 Jy ! Component: 100 - total flux cleaned = 0.000140472 Jy ! Component: 150 - total flux cleaned = 3.51931e-05 Jy ! Component: 200 - total flux cleaned = -8.94782e-05 Jy ! Component: 250 - total flux cleaned = -0.000258104 Jy ! Component: 300 - total flux cleaned = -0.000488406 Jy ! Component: 350 - total flux cleaned = -0.000689795 Jy ! Component: 400 - total flux cleaned = -0.000928699 Jy ! Component: 450 - total flux cleaned = -0.00120244 Jy ! Component: 500 - total flux cleaned = -0.00138685 Jy ! Component: 550 - total flux cleaned = -0.0015069 Jy ! Component: 600 - total flux cleaned = -0.00176008 Jy ! Component: 650 - total flux cleaned = -0.00195043 Jy ! Component: 700 - total flux cleaned = -0.00213706 Jy ! Component: 750 - total flux cleaned = -0.00239222 Jy ! Component: 800 - total flux cleaned = -0.00264233 Jy ! Component: 850 - total flux cleaned = -0.00283523 Jy ! Component: 900 - total flux cleaned = -0.00312738 Jy ! Component: 950 - total flux cleaned = -0.00334696 Jy ! Component: 1000 - total flux cleaned = -0.00354626 Jy ! Component: 1050 - total flux cleaned = -0.00367728 Jy ! Component: 1100 - total flux cleaned = -0.00388731 Jy ! Component: 1150 - total flux cleaned = -0.00407824 Jy ! Component: 1200 - total flux cleaned = -0.00421945 Jy ! Component: 1250 - total flux cleaned = -0.00438987 Jy ! Component: 1300 - total flux cleaned = -0.00458819 Jy ! Component: 1350 - total flux cleaned = -0.00473888 Jy ! Component: 1400 - total flux cleaned = -0.00487272 Jy ! Component: 1450 - total flux cleaned = -0.00501942 Jy ! Component: 1500 - total flux cleaned = -0.0051208 Jy ! Component: 1550 - total flux cleaned = -0.00527836 Jy ! Component: 1600 - total flux cleaned = -0.00537726 Jy ! Component: 1650 - total flux cleaned = -0.00553096 Jy ! Component: 1700 - total flux cleaned = -0.00566901 Jy ! Component: 1750 - total flux cleaned = -0.00579161 Jy ! Component: 1800 - total flux cleaned = -0.0058588 Jy ! Component: 1850 - total flux cleaned = -0.00592561 Jy ! Component: 1900 - total flux cleaned = -0.00603106 Jy ! Component: 1950 - total flux cleaned = -0.0060965 Jy ! Component: 2000 - total flux cleaned = -0.0062255 Jy ! Component: 2050 - total flux cleaned = -0.00626383 Jy ! Component: 2100 - total flux cleaned = -0.00633966 Jy ! Component: 2150 - total flux cleaned = -0.00643994 Jy ! Component: 2200 - total flux cleaned = -0.00658872 Jy ! Component: 2250 - total flux cleaned = -0.00663758 Jy ! Component: 2300 - total flux cleaned = -0.0066861 Jy ! Component: 2350 - total flux cleaned = -0.00675847 Jy ! Component: 2400 - total flux cleaned = -0.00677035 Jy ! Component: 2450 - total flux cleaned = -0.00682958 Jy ! Component: 2500 - total flux cleaned = -0.00688821 Jy ! Component: 2550 - total flux cleaned = -0.00692305 Jy ! Component: 2600 - total flux cleaned = -0.00694603 Jy ! Component: 2650 - total flux cleaned = -0.00699178 Jy ! Component: 2700 - total flux cleaned = -0.00701434 Jy ! Component: 2750 - total flux cleaned = -0.00703697 Jy ! Component: 2800 - total flux cleaned = -0.00708177 Jy ! Component: 2850 - total flux cleaned = -0.00710404 Jy ! Component: 2900 - total flux cleaned = -0.00711507 Jy ! Component: 2950 - total flux cleaned = -0.00711505 Jy ! Component: 3000 - total flux cleaned = -0.00711514 Jy ! Component: 3050 - total flux cleaned = -0.00714739 Jy ! Component: 3100 - total flux cleaned = -0.00717938 Jy ! Component: 3150 - total flux cleaned = -0.00714768 Jy ! Component: 3200 - total flux cleaned = -0.00716878 Jy ! Component: 3250 - total flux cleaned = -0.00717928 Jy ! Component: 3300 - total flux cleaned = -0.0071898 Jy ! Component: 3350 - total flux cleaned = -0.00723091 Jy ! Component: 3400 - total flux cleaned = -0.00728195 Jy ! Component: 3450 - total flux cleaned = -0.00727169 Jy ! Component: 3500 - total flux cleaned = -0.00730181 Jy ! Component: 3550 - total flux cleaned = -0.00731184 Jy ! Component: 3600 - total flux cleaned = -0.00734169 Jy ! Component: 3650 - total flux cleaned = -0.00736151 Jy ! Component: 3700 - total flux cleaned = -0.00736135 Jy ! Component: 3750 - total flux cleaned = -0.00740031 Jy ! Component: 3800 - total flux cleaned = -0.00740999 Jy ! Component: 3850 - total flux cleaned = -0.0073811 Jy ! Component: 3900 - total flux cleaned = -0.00740999 Jy ! Component: 3950 - total flux cleaned = -0.00739091 Jy ! Component: 4000 - total flux cleaned = -0.00739093 Jy ! Component: 4050 - total flux cleaned = -0.00740036 Jy ! Total flux subtracted in 4096 components = -0.00742851 Jy ! Clean residual min=-0.000570 max=0.000550 Jy/beam ! Clean residual mean=0.000001 rms=0.000164 Jy/beam ! Combined flux in latest and established models = 0.172436 Jy keep ! Adding 265 model components to the UV plane model. ! The established model now contains 419 components and 0.172436 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap .//J2256-2735_X_20180530_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9392 x 2.434 at -7.503 degrees (North through East) ! Clean map min=-0.0012745 max=0.12849 Jy/beam ! Writing clean map to FITS file: .//J2256-2735_X_20180530_map.fits wmodel .//J2256-2735_X_20180530_map.mod ! Writing 419 model components to file: .//J2256-2735_X_20180530_map.mod wobs .//J2256-2735_X_20180530_uvs.fits ! Writing UV FITS file: .//J2256-2735_X_20180530_uvs.fits wwins .//J2256-2735_X_20180530_map.win ! wwins: Wrote 6 windows to .//J2256-2735_X_20180530_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.128488 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000161379 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.376797 0.376797 0.753593 1.50719 3.01437 6.02874 12.0575 24.115 48.23 96.4599 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.128 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 796.185 quit ! Quitting program ! Log file .//J2256-2735_X_20180530_dfm.log closed on Sun Jul 8 13:57:21 2018