! Started logfile: .//J0938+1654_X_20180710_dfm.log on Sat Jul 28 19:23:36 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 .//J0938+1654_X_20180710_uva.fits ! Reading UV FITS file: .//J0938+1654_X_20180710_uva.fits ! AN table 1: 23 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.96118 visibilities/baseline/integration-bin. ! Found source: J0938+1654 ! ! 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 76 lines of history. ! ! Reading 4952 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 J0938+1654_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 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.004535Jy sigma=25.421669 ! Fit after self-cal, rms=0.954388Jy sigma=24.127924 ! 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=0.6689 mas, bmaj=1.955 mas, bpa=4.735 degrees ! Estimated noise=0.672437 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 = 0.0344275 Jy ! Component: 100 - total flux cleaned = 0.0447732 Jy ! Total flux subtracted in 100 components = 0.0447732 Jy ! Clean residual min=-0.002825 max=0.004529 Jy/beam ! Clean residual mean=0.000001 rms=0.000841 Jy/beam ! Combined flux in latest and established models = 0.0447733 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.0447733 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=0.029755Jy sigma=0.713755 ! Fit after self-cal, rms=0.028156Jy sigma=0.682436 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00539291 Jy ! Component: 100 - total flux cleaned = 0.00847755 Jy ! Total flux subtracted in 100 components = 0.00847755 Jy ! Clean residual min=-0.002220 max=0.001987 Jy/beam ! Clean residual mean=0.000001 rms=0.000555 Jy/beam ! Combined flux in latest and established models = 0.0532508 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 13 components and 0.0532508 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=0.026857Jy sigma=0.645082 ! Fit after self-cal, rms=0.026847Jy sigma=0.644775 ! 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=0.8033 mas, bmaj=2.145 mas, bpa=4.349 degrees ! Estimated noise=0.414648 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 = 0.00300622 Jy ! Component: 100 - total flux cleaned = 0.00462658 Jy ! Component: 150 - total flux cleaned = 0.00557959 Jy ! Component: 200 - total flux cleaned = 0.00615928 Jy ! Total flux subtracted in 200 components = 0.00615928 Jy ! Clean residual min=-0.001390 max=0.001645 Jy/beam ! Clean residual mean=0.000002 rms=0.000416 Jy/beam ! Combined flux in latest and established models = 0.0594101 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 30 components and 0.0594101 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=0.026527Jy sigma=0.635820 ! Fit after self-cal, rms=0.026521Jy sigma=0.635614 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8033 x 2.145 at 4.349 degrees (North through East) ! Clean map min=-0.0013121 max=0.046939 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 HN 1.09 KP 0.94 LA 0.94 ! MK 0.97 OV 0.96 PT 1.02 SC 1.02 ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 HN 1.07 KP 1.02 LA 0.99 ! MK 0.92 OV 1.01 PT 1.01 SC 0.96 ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 HN 1.09 KP 0.98 LA 1.00 ! MK 0.97 OV 1.02 PT 0.97 SC 0.99 ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 HN 1.01 KP 0.96 LA 1.05 ! MK 1.05 OV 1.07 PT 1.01 SC 0.99 ! ! ! Correcting IF 5. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 HN 1.06 KP 1.00 LA 0.96 ! MK 1.06 OV 1.00 PT 1.01 SC 1.03 ! ! ! Correcting IF 6. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 HN 1.01 KP 0.98 LA 1.10 ! MK 0.97 OV 1.03 PT 1.02 SC 1.05 ! ! ! Correcting IF 7. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 HN 0.97 KP 0.94 LA 1.00 ! MK 0.97 OV 1.04 PT 0.98 SC 0.99 ! ! ! Correcting IF 8. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 HN 1.04 KP 0.99 LA 0.97 ! MK 0.93 OV 1.02 PT 1.04 SC 1.10 ! ! ! Fit before self-cal, rms=0.026521Jy sigma=0.635614 ! Fit after self-cal, rms=0.026636Jy sigma=0.632424 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8069 mas, bmaj=2.146 mas, bpa=4.339 degrees ! Estimated noise=0.413802 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 = 0.000253547 Jy ! Component: 100 - total flux cleaned = 0.000279464 Jy ! Component: 150 - total flux cleaned = 0.00031253 Jy ! Component: 200 - total flux cleaned = 0.000350558 Jy ! Total flux subtracted in 200 components = 0.000350558 Jy ! Clean residual min=-0.001375 max=0.001677 Jy/beam ! Clean residual mean=0.000002 rms=0.000376 Jy/beam ! Combined flux in latest and established models = 0.0597606 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 39 components and 0.0597606 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=0.026626Jy sigma=0.632124 ! Fit after self-cal, rms=0.026644Jy sigma=0.632042 ! 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=0.026644Jy sigma=0.632042 ! Fit after self-cal, rms=0.026630Jy sigma=0.632022 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8056 mas, bmaj=2.144 mas, bpa=4.291 degrees ! Estimated noise=0.413635 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000257507 Jy ! Component: 100 - total flux cleaned = 0.000300691 Jy ! Component: 150 - total flux cleaned = 0.000332044 Jy ! Component: 200 - total flux cleaned = 0.000353724 Jy ! Total flux subtracted in 200 components = 0.000353724 Jy ! Clean residual min=-0.001363 max=0.001671 Jy/beam ! Clean residual mean=0.000002 rms=0.000374 Jy/beam ! Combined flux in latest and established models = 0.0601144 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 41 components and 0.0601144 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=0.026625Jy sigma=0.631885 ! Fit after self-cal, rms=0.026625Jy sigma=0.631882 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 (34.4, -7.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0014613 Jy ! Component: 100 - total flux cleaned = 0.0022446 Jy ! Component: 150 - total flux cleaned = 0.00276612 Jy ! Component: 200 - total flux cleaned = 0.00296637 Jy ! Total flux subtracted in 200 components = 0.00296637 Jy ! Clean residual min=-0.001109 max=0.001149 Jy/beam ! Clean residual mean=0.000001 rms=0.000288 Jy/beam ! Combined flux in latest and established models = 0.0630807 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 62 components and 0.0630807 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=0.026542Jy sigma=0.629789 ! Fit after self-cal, rms=0.026532Jy sigma=0.629669 ! 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=0.026532Jy sigma=0.629669 ! Fit after self-cal, rms=0.026419Jy sigma=0.629585 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8047 mas, bmaj=2.145 mas, bpa=4.229 degrees ! Estimated noise=0.412167 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000387731 Jy ! Component: 100 - total flux cleaned = 0.00057277 Jy ! Component: 150 - total flux cleaned = 0.000709279 Jy ! Component: 200 - total flux cleaned = 0.000769722 Jy ! Total flux subtracted in 200 components = 0.000769722 Jy ! Clean residual min=-0.001047 max=0.001165 Jy/beam ! Clean residual mean=0.000001 rms=0.000277 Jy/beam ! Combined flux in latest and established models = 0.0638505 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 68 components and 0.0638505 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=0.026408Jy sigma=0.629343 ! Fit after self-cal, rms=0.026405Jy sigma=0.629326 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 = 9.68743e-05 Jy ! Component: 100 - total flux cleaned = 0.000152323 Jy ! Component: 150 - total flux cleaned = 0.000177792 Jy ! Component: 200 - total flux cleaned = 0.00020193 Jy ! Total flux subtracted in 200 components = 0.00020193 Jy ! Clean residual min=-0.001034 max=0.001178 Jy/beam ! Clean residual mean=0.000001 rms=0.000273 Jy/beam ! Combined flux in latest and established models = 0.0640524 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 76 components and 0.0640524 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=0.026399Jy sigma=0.629215 ! Fit after self-cal, rms=0.026398Jy sigma=0.629211 ! Inverting map ! Added new window around map position (25.4, 41.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000881727 Jy ! Component: 100 - total flux cleaned = 0.000924001 Jy ! Component: 150 - total flux cleaned = 0.0010461 Jy ! Component: 200 - total flux cleaned = 0.00130321 Jy ! Total flux subtracted in 200 components = 0.00130321 Jy ! Clean residual min=-0.001029 max=0.000885 Jy/beam ! Clean residual mean=0.000001 rms=0.000243 Jy/beam ! Combined flux in latest and established models = 0.0653556 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 95 components and 0.0653556 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=0.026345Jy sigma=0.628393 ! Fit after self-cal, rms=0.026342Jy sigma=0.628339 ! 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=0.026342Jy sigma=0.628339 ! Fit after self-cal, rms=0.026300Jy sigma=0.628303 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.084 mas, bmaj=2.96 mas, bpa=1.152 degrees ! Estimated noise=0.571907 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000466771 Jy ! Component: 100 - total flux cleaned = 0.000793702 Jy ! Component: 150 - total flux cleaned = 0.000917755 Jy ! Component: 200 - total flux cleaned = 0.000962179 Jy ! Total flux subtracted in 200 components = 0.000962179 Jy ! Clean residual min=-0.001087 max=0.001089 Jy/beam ! Clean residual mean=0.000003 rms=0.000287 Jy/beam ! Combined flux in latest and established models = 0.0663178 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 115 components and 0.0663178 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=0.026297Jy sigma=0.628314 ! Fit after self-cal, rms=0.026297Jy sigma=0.628296 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 = 0.000216662 Jy ! Component: 100 - total flux cleaned = 0.000240378 Jy ! Component: 150 - total flux cleaned = 0.000255126 Jy ! Component: 200 - total flux cleaned = 0.000262227 Jy ! Total flux subtracted in 200 components = 0.000262227 Jy ! Clean residual min=-0.001041 max=0.001047 Jy/beam ! Clean residual mean=0.000002 rms=0.000271 Jy/beam ! Combined flux in latest and established models = 0.06658 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 120 components and 0.06658 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=0.026297Jy sigma=0.628305 ! Fit after self-cal, rms=0.026298Jy sigma=0.628301 ! 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=0.8042 mas, bmaj=2.145 mas, bpa=4.17 degrees ! Estimated noise=0.41159 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8042 x 2.145 at 4.17 degrees (North through East) ! Clean map min=-0.00087592 max=0.046804 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=0.6681 mas, bmaj=1.95 mas, bpa=4.631 degrees ! Estimated noise=0.667932 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0347973 Jy ! Component: 100 - total flux cleaned = 0.0454282 Jy ! Component: 150 - total flux cleaned = 0.0506091 Jy ! Component: 200 - total flux cleaned = 0.0536323 Jy ! Total flux subtracted in 200 components = 0.0536323 Jy ! Clean residual min=-0.002111 max=0.002178 Jy/beam ! Clean residual mean=0.000001 rms=0.000521 Jy/beam ! Combined flux in latest and established models = 0.0536324 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 12 model components to the UV plane model. ! The established model now contains 12 components and 0.0536324 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8042 mas, bmaj=2.145 mas, bpa=4.17 degrees ! Estimated noise=0.41159 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 = 0.00283767 Jy ! Component: 100 - total flux cleaned = 0.00462314 Jy ! Component: 150 - total flux cleaned = 0.00578203 Jy ! Component: 200 - total flux cleaned = 0.00673051 Jy ! Total flux subtracted in 200 components = 0.00673051 Jy ! Clean residual min=-0.001312 max=0.001262 Jy/beam ! Clean residual mean=0.000001 rms=0.000343 Jy/beam ! Combined flux in latest and established models = 0.0603629 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 34 components and 0.0603629 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=2.084 mas, bmaj=2.96 mas, bpa=1.152 degrees ! Estimated noise=0.571907 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00162434 Jy ! Component: 100 - total flux cleaned = 0.00268074 Jy ! Component: 150 - total flux cleaned = 0.00349838 Jy ! Component: 200 - total flux cleaned = 0.00415279 Jy ! Total flux subtracted in 200 components = 0.00415279 Jy ! Clean residual min=-0.001217 max=0.001046 Jy/beam ! Clean residual mean=0.000003 rms=0.000340 Jy/beam ! Combined flux in latest and established models = 0.0645157 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 = 0.000529777 Jy ! Component: 100 - total flux cleaned = 0.000962904 Jy ! Component: 150 - total flux cleaned = 0.00123905 Jy ! Component: 200 - total flux cleaned = 0.0014014 Jy ! Total flux subtracted in 200 components = 0.0014014 Jy ! Clean residual min=-0.001155 max=0.001003 Jy/beam ! Clean residual mean=0.000003 rms=0.000289 Jy/beam ! Combined flux in latest and established models = 0.065917 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 67 components and 0.0659171 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8042 mas, bmaj=2.145 mas, bpa=4.17 degrees ! Estimated noise=0.41159 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000369109 Jy ! Component: 100 - total flux cleaned = 0.00041761 Jy ! Component: 150 - total flux cleaned = 0.000454567 Jy ! Component: 200 - total flux cleaned = 0.000534405 Jy ! Total flux subtracted in 200 components = 0.000534405 Jy ! Clean residual min=-0.001047 max=0.000896 Jy/beam ! Clean residual mean=0.000001 rms=0.000244 Jy/beam ! Combined flux in latest and established models = 0.0664515 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 86 components and 0.0664514 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=0.026318Jy sigma=0.628641 ! Fit after self-cal, rms=0.026316Jy sigma=0.628601 wmodel J0938+1654_X_map.mod ! Writing 86 model components to file: J0938+1654_X_map.mod wobs J0938+1654_X_uvs.fits ! Writing UV FITS file: J0938+1654_X_uvs.fits wwins J0938+1654_X_map.win ! wwins: Wrote 3 windows to J0938+1654_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 = -0.000329569 Jy ! Component: 100 - total flux cleaned = -0.00036206 Jy ! Component: 150 - total flux cleaned = -0.000201525 Jy ! Component: 200 - total flux cleaned = -7.66967e-05 Jy ! Component: 250 - total flux cleaned = 2.89393e-05 Jy ! Component: 300 - total flux cleaned = 6.71452e-05 Jy ! Component: 350 - total flux cleaned = 0.000140633 Jy ! Component: 400 - total flux cleaned = 0.000187726 Jy ! Component: 450 - total flux cleaned = 0.000221633 Jy ! Component: 500 - total flux cleaned = 0.000254677 Jy ! Component: 550 - total flux cleaned = 0.000276006 Jy ! Component: 600 - total flux cleaned = 0.000307043 Jy ! Component: 650 - total flux cleaned = 0.000367851 Jy ! Component: 700 - total flux cleaned = 0.000387707 Jy ! Component: 750 - total flux cleaned = 0.000445856 Jy ! Component: 800 - total flux cleaned = 0.000493101 Jy ! Component: 850 - total flux cleaned = 0.000548554 Jy ! Component: 900 - total flux cleaned = 0.000593912 Jy ! Component: 950 - total flux cleaned = 0.000655879 Jy ! Component: 1000 - total flux cleaned = 0.000673146 Jy ! Component: 1050 - total flux cleaned = 0.000672999 Jy ! Component: 1100 - total flux cleaned = 0.000689851 Jy ! Component: 1150 - total flux cleaned = 0.000722535 Jy ! Component: 1200 - total flux cleaned = 0.000738382 Jy ! Component: 1250 - total flux cleaned = 0.000746301 Jy ! Component: 1300 - total flux cleaned = 0.000769588 Jy ! Component: 1350 - total flux cleaned = 0.000784642 Jy ! Component: 1400 - total flux cleaned = 0.000792179 Jy ! Component: 1450 - total flux cleaned = 0.000792177 Jy ! Component: 1500 - total flux cleaned = 0.000792228 Jy ! Component: 1550 - total flux cleaned = 0.000806514 Jy ! Component: 1600 - total flux cleaned = 0.000820365 Jy ! Component: 1650 - total flux cleaned = 0.000840955 Jy ! Component: 1700 - total flux cleaned = 0.000840959 Jy ! Component: 1750 - total flux cleaned = 0.000854259 Jy ! Component: 1800 - total flux cleaned = 0.000854227 Jy ! Component: 1850 - total flux cleaned = 0.000873677 Jy ! Component: 1900 - total flux cleaned = 0.000886343 Jy ! Component: 1950 - total flux cleaned = 0.000892607 Jy ! Component: 2000 - total flux cleaned = 0.000911243 Jy ! Component: 2050 - total flux cleaned = 0.000947794 Jy ! Component: 2100 - total flux cleaned = 0.000941725 Jy ! Component: 2150 - total flux cleaned = 0.000941739 Jy ! Component: 2200 - total flux cleaned = 0.000953589 Jy ! Component: 2250 - total flux cleaned = 0.000971037 Jy ! Component: 2300 - total flux cleaned = 0.000994011 Jy ! Component: 2350 - total flux cleaned = 0.000999688 Jy ! Component: 2400 - total flux cleaned = 0.00102217 Jy ! Component: 2450 - total flux cleaned = 0.00101653 Jy ! Component: 2500 - total flux cleaned = 0.00101108 Jy ! Component: 2550 - total flux cleaned = 0.00102199 Jy ! Component: 2600 - total flux cleaned = 0.00103276 Jy ! Component: 2650 - total flux cleaned = 0.00101142 Jy ! Component: 2700 - total flux cleaned = 0.00102192 Jy ! Component: 2750 - total flux cleaned = 0.00100102 Jy ! Component: 2800 - total flux cleaned = 0.00100623 Jy ! Component: 2850 - total flux cleaned = 0.00100621 Jy ! Component: 2900 - total flux cleaned = 0.00101642 Jy ! Component: 2950 - total flux cleaned = 0.00100631 Jy ! Component: 3000 - total flux cleaned = 0.00101133 Jy ! Component: 3050 - total flux cleaned = 0.00100638 Jy ! Component: 3100 - total flux cleaned = 0.001031 Jy ! Component: 3150 - total flux cleaned = 0.00106519 Jy ! Component: 3200 - total flux cleaned = 0.00107975 Jy ! Component: 3250 - total flux cleaned = 0.00109908 Jy ! Component: 3300 - total flux cleaned = 0.00111824 Jy ! Component: 3350 - total flux cleaned = 0.00114206 Jy ! Component: 3400 - total flux cleaned = 0.00116102 Jy ! Component: 3450 - total flux cleaned = 0.00117515 Jy ! Component: 3500 - total flux cleaned = 0.00119387 Jy ! Component: 3550 - total flux cleaned = 0.00119849 Jy ! Component: 3600 - total flux cleaned = 0.00120309 Jy ! Component: 3650 - total flux cleaned = 0.00121694 Jy ! Component: 3700 - total flux cleaned = 0.00121699 Jy ! Component: 3750 - total flux cleaned = 0.00124441 Jy ! Component: 3800 - total flux cleaned = 0.00123536 Jy ! Component: 3850 - total flux cleaned = 0.00125347 Jy ! Component: 3900 - total flux cleaned = 0.00124444 Jy ! Component: 3950 - total flux cleaned = 0.00124443 Jy ! Component: 4000 - total flux cleaned = 0.00124888 Jy ! Component: 4050 - total flux cleaned = 0.0012444 Jy ! Total flux subtracted in 4096 components = 0.00124439 Jy ! Clean residual min=-0.000252 max=0.000252 Jy/beam ! Clean residual mean=0.000001 rms=0.000073 Jy/beam ! Combined flux in latest and established models = 0.0676958 Jy keep ! Adding 234 model components to the UV plane model. ! The established model now contains 320 components and 0.0676958 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap .//J0938+1654_X_20180710_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8042 x 2.145 at 4.17 degrees (North through East) ! Clean map min=-0.00047966 max=0.046832 Jy/beam ! Writing clean map to FITS file: .//J0938+1654_X_20180710_map.fits wmodel .//J0938+1654_X_20180710_map.mod ! Writing 320 model components to file: .//J0938+1654_X_20180710_map.mod wobs .//J0938+1654_X_20180710_uvs.fits ! Writing UV FITS file: .//J0938+1654_X_20180710_uvs.fits wwins .//J0938+1654_X_20180710_map.win ! wwins: Wrote 4 windows to .//J0938+1654_X_20180710_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0468323 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 7.17225e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.459442 0.459442 0.918885 1.83777 3.67554 7.35108 14.7022 29.4043 58.8086 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0002 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.046 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 652.965 quit ! Quitting program ! Log file .//J0938+1654_X_20180710_dfm.log closed on Sat Jul 28 19:23:40 2018