! Started logfile: /image_prod/ug002_uvm//J1957-3845_S_b_dfm.log on Wed Mar 4 17:38:56 2020 float field_size field_size = 1024 float field_cell field_cell = 0.5000 float taper_size taper_size = 20.0 float freq freq = 2.22000 obs /image_prod/ug002_uvm//J1957-3845_S_b_uvm.fits ! Reading UV FITS file: /image_prod/ug002_uvm//J1957-3845_S_b_uvm.fits ! AN table 1: 8 integrations on 15 of 15 possible baselines. ! AN table 2: 8 integrations on 36 of 36 possible baselines. ! AN table 3: 16 integrations on 36 of 36 possible baselines. ! AN table 4: 9 integrations on 21 of 21 possible baselines. ! AN table 5: 8 integrations on 21 of 21 possible baselines. ! Apparent sampling: 0.888143 visibilities/baseline/integration-bin. ! Found source: J1957-3845 ! ! There are 3 IFs, and a total of 3 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 2.22e+09 3.2e+07 1 3.2e+07 ! 02 2 2.252e+09 3.2e+07 1 3.2e+07 ! 03 3 2.284e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 44 lines of history. ! ! Reading 3573 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 3 channels. ! Selecting polarization: RR, channels: 1..3 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.5 print "taper_size =", taper_size ! taper_size = 20 ![@/opt64/bin/pima_mupet_01.dfm J1957-3845_S_b] 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 0.500x0.500 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 3 telescope corrections were flagged in sub-array 1. ! A total of 3 telescope corrections were flagged in sub-array 2. ! A total of 13 telescope corrections were flagged in sub-array 3. ! A total of 2 telescope corrections were flagged in sub-array 4. ! A total of 1 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! A total of 3 telescope corrections were flagged in sub-array 2. ! A total of 13 telescope corrections were flagged in sub-array 3. ! A total of 2 telescope corrections were flagged in sub-array 4. ! A total of 1 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! A total of 3 telescope corrections were flagged in sub-array 2. ! A total of 13 telescope corrections were flagged in sub-array 3. ! A total of 2 telescope corrections were flagged in sub-array 4. ! A total of 1 telescope corrections were flagged in sub-array 5. ! ! Fit before self-cal, rms=1.296626Jy sigma=7.533172 ! Fit after self-cal, rms=0.321657Jy sigma=1.690664 ! 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=2.449 mas, bmaj=6.393 mas, bpa=3.739 degrees ! Estimated noise=2.98797 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 = 0.560853 Jy ! Component: 100 - total flux cleaned = 0.712171 Jy ! Total flux subtracted in 100 components = 0.712171 Jy ! Clean residual min=-0.040706 max=0.084687 Jy/beam ! Clean residual mean=-0.000293 rms=0.010151 Jy/beam ! Combined flux in latest and established models = 0.712171 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.712171 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.237468Jy sigma=1.391418 ! Fit after self-cal, rms=0.237416Jy sigma=1.391173 ! Inverting map ! Added new window around map position (3, 7.5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.083252 Jy ! Component: 100 - total flux cleaned = 0.132618 Jy ! Total flux subtracted in 100 components = 0.132618 Jy ! Clean residual min=-0.029590 max=0.051706 Jy/beam ! Clean residual mean=-0.000180 rms=0.007727 Jy/beam ! Combined flux in latest and established models = 0.844789 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 17 components and 0.84479 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.189987Jy sigma=1.045951 ! Fit after self-cal, rms=0.188765Jy sigma=1.036798 ! Inverting map ! Added new window around map position (4, -6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.047743 Jy ! Component: 100 - total flux cleaned = 0.0723628 Jy ! Total flux subtracted in 100 components = 0.0723628 Jy ! Clean residual min=-0.024860 max=0.036888 Jy/beam ! Clean residual mean=-0.000114 rms=0.006761 Jy/beam ! Combined flux in latest and established models = 0.917152 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 25 components and 0.917152 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.173267Jy sigma=0.930195 ! Fit after self-cal, rms=0.171869Jy sigma=0.920170 ! 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=3.049 mas, bmaj=8.107 mas, bpa=4.194 degrees ! Estimated noise=2.16381 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 = 0.0342074 Jy ! Component: 100 - total flux cleaned = 0.0526574 Jy ! Component: 150 - total flux cleaned = 0.0570863 Jy ! Component: 200 - total flux cleaned = 0.0587603 Jy ! Total flux subtracted in 200 components = 0.0587603 Jy ! Clean residual min=-0.021193 max=0.028621 Jy/beam ! Clean residual mean=-0.000071 rms=0.006603 Jy/beam ! Combined flux in latest and established models = 0.975913 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 41 components and 0.975913 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.165517Jy sigma=0.870159 ! Fit after self-cal, rms=0.165159Jy sigma=0.867286 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.049 x 8.107 at 4.194 degrees (North through East) ! Clean map min=-0.020544 max=0.7171 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: ! FD 0.90 KP 0.98 LA 0.98 NL 1.42 ! OV 0.85 SC 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.98 HN 1.76 KP 0.96 LA 0.99 ! MK 1.03 NL 1.00 OV 0.93 PT 0.99 ! SC 1.03 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.20 FD 0.97 KP 0.97 LA 0.98 ! MK 0.96 NL 1.11 OV 0.94 PT 0.98 ! SC 1.06 ! ! Telescope amplitude corrections in sub-array 4: ! FD 0.93 KP 0.96 LA 1.02 NL 1.02 ! OV 0.94 PT 0.97 SC 1.06 ! ! Telescope amplitude corrections in sub-array 5: ! FD 0.94 KP 0.96 LA 1.01 MK 0.98 ! NL 1.40 PT 1.00 SC 1.06 ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.90 KP 1.00 LA 1.00 NL 1.35 ! OV 0.85 SC 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.96 HN 1.90 KP 0.95 LA 0.97 ! MK 1.02 NL 1.14 OV 0.95 PT 0.97 ! SC 0.96 ! ! Telescope amplitude corrections in sub-array 3: ! BR 2.13 FD 0.96 KP 0.93 LA 0.99 ! MK 0.98 NL 1.26 OV 0.92 PT 0.97 ! SC 1.01 ! ! Telescope amplitude corrections in sub-array 4: ! FD 0.96 KP 0.98 LA 1.02 NL 0.97 ! OV 0.94 PT 0.98 SC 0.88 ! ! Telescope amplitude corrections in sub-array 5: ! FD 0.93 KP 0.96 LA 1.00 MK 1.02 ! NL 1.31 PT 1.03 SC 1.10 ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.89 KP 1.02 LA 1.01 NL 1.30 ! OV 0.84 SC 0.96 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.97 HN 1.84 KP 0.91 LA 0.98 ! MK 1.03 NL 1.00 OV 0.96 PT 1.01 ! SC 1.02 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.51 FD 0.98 KP 0.91 LA 0.98 ! MK 0.98 NL 1.14 OV 0.94 PT 0.96 ! SC 1.07 ! ! Telescope amplitude corrections in sub-array 4: ! FD 0.98 KP 0.93 LA 1.04 NL 1.01 ! OV 0.97 PT 0.98 SC 1.11 ! ! Telescope amplitude corrections in sub-array 5: ! FD 0.92 KP 0.96 LA 1.03 MK 1.03 ! NL 1.37 PT 1.00 SC 1.07 ! ! ! Fit before self-cal, rms=0.165159Jy sigma=0.867286 ! Fit after self-cal, rms=0.131539Jy sigma=0.570648 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.073 mas, bmaj=8.191 mas, bpa=4.333 degrees ! Estimated noise=2.20038 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 = -0.00842767 Jy ! Component: 100 - total flux cleaned = -0.00846204 Jy ! Component: 150 - total flux cleaned = -0.00785488 Jy ! Component: 200 - total flux cleaned = -0.00837506 Jy ! Total flux subtracted in 200 components = -0.00837506 Jy ! Clean residual min=-0.009794 max=0.011581 Jy/beam ! Clean residual mean=-0.000078 rms=0.002211 Jy/beam ! Combined flux in latest and established models = 0.967538 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 52 components and 0.967538 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.128938Jy sigma=0.558433 ! Fit after self-cal, rms=0.128850Jy sigma=0.556173 ! Inverting map ! Added new window around map position (-9, -0.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00794595 Jy ! Component: 100 - total flux cleaned = 0.00797546 Jy ! Component: 150 - total flux cleaned = 0.00849946 Jy ! Component: 200 - total flux cleaned = 0.00874012 Jy ! Total flux subtracted in 200 components = 0.00874012 Jy ! Clean residual min=-0.009041 max=0.008867 Jy/beam ! Clean residual mean=-0.000043 rms=0.001827 Jy/beam ! Combined flux in latest and established models = 0.976278 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 68 components and 0.976278 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.127111Jy sigma=0.546057 ! Fit after self-cal, rms=0.126916Jy sigma=0.545082 ! 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. ! ! Fit before self-cal, rms=0.126916Jy sigma=0.545082 ! Fit after self-cal, rms=0.127648Jy sigma=0.541626 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.08 mas, bmaj=8.193 mas, bpa=4.26 degrees ! Estimated noise=2.20262 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00323166 Jy ! Component: 100 - total flux cleaned = -0.00259082 Jy ! Component: 150 - total flux cleaned = -0.0025953 Jy ! Component: 200 - total flux cleaned = -0.00241638 Jy ! Total flux subtracted in 200 components = -0.00241638 Jy ! Clean residual min=-0.007503 max=0.008777 Jy/beam ! Clean residual mean=-0.000052 rms=0.001665 Jy/beam ! Combined flux in latest and established models = 0.973861 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 78 components and 0.973861 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.126703Jy sigma=0.537506 ! Fit after self-cal, rms=0.126556Jy sigma=0.537009 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 = -0.000871515 Jy ! Component: 100 - total flux cleaned = -0.000543723 Jy ! Component: 150 - total flux cleaned = -0.000392054 Jy ! Component: 200 - total flux cleaned = -0.000386948 Jy ! Total flux subtracted in 200 components = -0.000386948 Jy ! Clean residual min=-0.006546 max=0.008382 Jy/beam ! Clean residual mean=-0.000053 rms=0.001573 Jy/beam ! Combined flux in latest and established models = 0.973474 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 87 components and 0.973474 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.125982Jy sigma=0.534671 ! Fit after self-cal, rms=0.125855Jy sigma=0.534307 ! Inverting map ! Added new window around map position (-20.5, 1.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00488393 Jy ! Component: 100 - total flux cleaned = 0.00561272 Jy ! Component: 150 - total flux cleaned = 0.00622475 Jy ! Component: 200 - total flux cleaned = 0.00663258 Jy ! Total flux subtracted in 200 components = 0.00663258 Jy ! Clean residual min=-0.005592 max=0.005626 Jy/beam ! Clean residual mean=-0.000024 rms=0.001415 Jy/beam ! Combined flux in latest and established models = 0.980107 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 100 components and 0.980107 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.125102Jy sigma=0.530808 ! Fit after self-cal, rms=0.125029Jy sigma=0.530406 ! 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. ! ! Fit before self-cal, rms=0.125029Jy sigma=0.530406 ! Fit after self-cal, rms=0.125455Jy sigma=0.526987 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.081 mas, bmaj=8.197 mas, bpa=4.288 degrees ! Estimated noise=2.20339 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000460577 Jy ! Component: 100 - total flux cleaned = -0.000874436 Jy ! Component: 150 - total flux cleaned = -0.000630217 Jy ! Component: 200 - total flux cleaned = -0.000513034 Jy ! Total flux subtracted in 200 components = -0.000513034 Jy ! Clean residual min=-0.004667 max=0.005050 Jy/beam ! Clean residual mean=-0.000030 rms=0.001269 Jy/beam ! Combined flux in latest and established models = 0.979594 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 111 components and 0.979594 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.125020Jy sigma=0.525286 ! Fit after self-cal, rms=0.124969Jy sigma=0.525130 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 = 0.000145742 Jy ! Component: 100 - total flux cleaned = 0.000253868 Jy ! Component: 150 - total flux cleaned = 0.000352694 Jy ! Component: 200 - total flux cleaned = 0.00044841 Jy ! Total flux subtracted in 200 components = 0.00044841 Jy ! Clean residual min=-0.004568 max=0.004859 Jy/beam ! Clean residual mean=-0.000028 rms=0.001228 Jy/beam ! Combined flux in latest and established models = 0.980042 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 119 components and 0.980042 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.124696Jy sigma=0.524243 ! Fit after self-cal, rms=0.124645Jy sigma=0.524131 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 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. ! ! Fit before self-cal, rms=0.124645Jy sigma=0.524131 ! Fit after self-cal, rms=0.125125Jy sigma=0.523916 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.793 mas, bmaj=27.74 mas, bpa=4.532 degrees ! Estimated noise=2.76688 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00371857 Jy ! Component: 100 - total flux cleaned = -0.00386589 Jy ! Component: 150 - total flux cleaned = -0.00400189 Jy ! Component: 200 - total flux cleaned = -0.00406242 Jy ! Total flux subtracted in 200 components = -0.00406242 Jy ! Clean residual min=-0.003955 max=0.005439 Jy/beam ! Clean residual mean=-0.000078 rms=0.001356 Jy/beam ! Combined flux in latest and established models = 0.97598 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 136 components and 0.97598 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.124964Jy sigma=0.523716 ! Fit after self-cal, rms=0.124898Jy sigma=0.523554 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 = -0.000276273 Jy ! Component: 100 - total flux cleaned = -5.27614e-05 Jy ! Component: 150 - total flux cleaned = -1.12457e-07 Jy ! Component: 200 - total flux cleaned = -1.94242e-06 Jy ! Total flux subtracted in 200 components = -1.94242e-06 Jy ! Clean residual min=-0.003892 max=0.005403 Jy/beam ! Clean residual mean=-0.000079 rms=0.001329 Jy/beam ! Combined flux in latest and established models = 0.975978 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 143 components and 0.975978 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.124837Jy sigma=0.523611 ! Fit after self-cal, rms=0.124796Jy sigma=0.523529 ! 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=3.082 mas, bmaj=8.2 mas, bpa=4.299 degrees ! Estimated noise=2.20354 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.082 x 8.2 at 4.299 degrees (North through East) ! Clean map min=-0.011142 max=0.73416 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. ! ! Fit before self-cal, rms=0.124796Jy sigma=0.523529 ! Fit after self-cal, rms=0.117200Jy sigma=0.481910 ! Inverting map and beam ! Estimated beam: bmin=3.08 mas, bmaj=8.204 mas, bpa=4.242 degrees ! Estimated noise=2.20127 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000953218 Jy ! Component: 100 - total flux cleaned = -0.0011415 Jy ! Component: 150 - total flux cleaned = -0.00114432 Jy ! Component: 200 - total flux cleaned = -0.0012253 Jy ! Total flux subtracted in 200 components = -0.0012253 Jy ! Clean residual min=-0.004519 max=0.004535 Jy/beam ! Clean residual mean=-0.000035 rms=0.001127 Jy/beam ! Combined flux in latest and established models = 0.974753 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 161 components and 0.974753 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.116993Jy sigma=0.481174 ! Fit after self-cal, rms=0.116964Jy sigma=0.481129 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000153021 Jy ! Component: 100 - total flux cleaned = -0.000152986 Jy ! Component: 150 - total flux cleaned = -7.98274e-05 Jy ! Component: 200 - total flux cleaned = -8.09177e-05 Jy ! Total flux subtracted in 200 components = -8.09177e-05 Jy ! Clean residual min=-0.004382 max=0.004517 Jy/beam ! Clean residual mean=-0.000036 rms=0.001111 Jy/beam ! Combined flux in latest and established models = 0.974672 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 172 components and 0.974672 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.116804Jy sigma=0.480647 ! Fit after self-cal, rms=0.116782Jy sigma=0.480610 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.116782Jy sigma=0.480610 ! Fit after self-cal, rms=0.116954Jy sigma=0.480556 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=2.454 mas, bmaj=6.406 mas, bpa=4.147 degrees ! Estimated noise=3.11421 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.583982 Jy ! Component: 100 - total flux cleaned = 0.74267 Jy ! Component: 150 - total flux cleaned = 0.826196 Jy ! Component: 200 - total flux cleaned = 0.877616 Jy ! Total flux subtracted in 200 components = 0.877616 Jy ! Clean residual min=-0.019265 max=0.027357 Jy/beam ! Clean residual mean=-0.000116 rms=0.004126 Jy/beam ! Combined flux in latest and established models = 0.877616 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 17 model components to the UV plane model. ! The established model now contains 17 components and 0.877616 Jy ! Inverting map and beam ! Estimated beam: bmin=3.081 mas, bmaj=8.206 mas, bpa=4.252 degrees ! Estimated noise=2.20134 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 = 0.0385075 Jy ! Component: 100 - total flux cleaned = 0.0593848 Jy ! Component: 150 - total flux cleaned = 0.0735807 Jy ! Component: 200 - total flux cleaned = 0.0826431 Jy ! Total flux subtracted in 200 components = 0.0826431 Jy ! Clean residual min=-0.008774 max=0.009862 Jy/beam ! Clean residual mean=-0.000084 rms=0.001762 Jy/beam ! Combined flux in latest and established models = 0.960259 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 49 components and 0.960259 Jy ! Inverting map ! Added new window around map position (-1.5, -20). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00476219 Jy ! Component: 100 - total flux cleaned = 0.00759149 Jy ! Component: 150 - total flux cleaned = 0.0087274 Jy ! Component: 200 - total flux cleaned = 0.00951232 Jy ! Total flux subtracted in 200 components = 0.00951232 Jy ! Clean residual min=-0.006857 max=0.006818 Jy/beam ! Clean residual mean=-0.000050 rms=0.001464 Jy/beam ! Combined flux in latest and established models = 0.969771 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 65 components and 0.969771 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.801 mas, bmaj=27.76 mas, bpa=4.512 degrees ! Estimated noise=2.76376 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00338999 Jy ! Component: 100 - total flux cleaned = 0.00415068 Jy ! Component: 150 - total flux cleaned = 0.00441543 Jy ! Component: 200 - total flux cleaned = 0.00447873 Jy ! Total flux subtracted in 200 components = 0.00447873 Jy ! Clean residual min=-0.003533 max=0.005497 Jy/beam ! Clean residual mean=-0.000064 rms=0.001233 Jy/beam ! Combined flux in latest and established models = 0.97425 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) ! Added new window around map position (-49, -91.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00257835 Jy ! Component: 100 - total flux cleaned = 0.00183555 Jy ! Component: 150 - total flux cleaned = 0.0018131 Jy ! Component: 200 - total flux cleaned = 0.00200355 Jy ! Total flux subtracted in 200 components = 0.00200355 Jy ! Clean residual min=-0.003642 max=0.003467 Jy/beam ! Clean residual mean=-0.000072 rms=0.001053 Jy/beam ! Combined flux in latest and established models = 0.976253 Jy ! Adding 42 model components to the UV plane model. ! The established model now contains 107 components and 0.976253 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.081 mas, bmaj=8.206 mas, bpa=4.252 degrees ! Estimated noise=2.20134 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000528906 Jy ! Component: 100 - total flux cleaned = -0.000534253 Jy ! Component: 150 - total flux cleaned = -0.000734819 Jy ! Component: 200 - total flux cleaned = -0.000550078 Jy ! Total flux subtracted in 200 components = -0.000550078 Jy ! Clean residual min=-0.005689 max=0.005625 Jy/beam ! Clean residual mean=-0.000039 rms=0.001250 Jy/beam ! Combined flux in latest and established models = 0.975703 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 123 components and 0.975703 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Fit before self-cal, rms=0.118681Jy sigma=0.489338 ! Fit after self-cal, rms=0.118342Jy sigma=0.487728 wmodel J1957-3845_S_b_map.mod ! Writing 123 model components to file: J1957-3845_S_b_map.mod wobs J1957-3845_S_b_uvs.fits ! Writing UV FITS file: J1957-3845_S_b_uvs.fits wwins J1957-3845_S_b_map.win ! wwins: Wrote 7 windows to J1957-3845_S_b_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 = -0.000365347 Jy ! Component: 100 - total flux cleaned = 0.000581051 Jy ! Component: 150 - total flux cleaned = 0.00128592 Jy ! Component: 200 - total flux cleaned = 0.0018697 Jy ! Component: 250 - total flux cleaned = 0.00251195 Jy ! Component: 300 - total flux cleaned = 0.00328972 Jy ! Component: 350 - total flux cleaned = 0.00381567 Jy ! Component: 400 - total flux cleaned = 0.00418276 Jy ! Component: 450 - total flux cleaned = 0.00446652 Jy ! Component: 500 - total flux cleaned = 0.00446564 Jy ! Component: 550 - total flux cleaned = 0.00467207 Jy ! Component: 600 - total flux cleaned = 0.00487328 Jy ! Component: 650 - total flux cleaned = 0.00500566 Jy ! Component: 700 - total flux cleaned = 0.00507133 Jy ! Component: 750 - total flux cleaned = 0.00519973 Jy ! Component: 800 - total flux cleaned = 0.00532475 Jy ! Component: 850 - total flux cleaned = 0.00507777 Jy ! Component: 900 - total flux cleaned = 0.00513876 Jy ! Component: 950 - total flux cleaned = 0.00501893 Jy ! Component: 1000 - total flux cleaned = 0.00501903 Jy ! Component: 1050 - total flux cleaned = 0.00496059 Jy ! Component: 1100 - total flux cleaned = 0.00501867 Jy ! Component: 1150 - total flux cleaned = 0.00507569 Jy ! Component: 1200 - total flux cleaned = 0.00530023 Jy ! Component: 1250 - total flux cleaned = 0.00524473 Jy ! Component: 1300 - total flux cleaned = 0.00535477 Jy ! Component: 1350 - total flux cleaned = 0.00546376 Jy ! Component: 1400 - total flux cleaned = 0.00551763 Jy ! Component: 1450 - total flux cleaned = 0.0056246 Jy ! Component: 1500 - total flux cleaned = 0.00583597 Jy ! Component: 1550 - total flux cleaned = 0.00599329 Jy ! Component: 1600 - total flux cleaned = 0.0060964 Jy ! Component: 1650 - total flux cleaned = 0.00619922 Jy ! Component: 1700 - total flux cleaned = 0.00624957 Jy ! Component: 1750 - total flux cleaned = 0.00650165 Jy ! Component: 1800 - total flux cleaned = 0.00660125 Jy ! Component: 1850 - total flux cleaned = 0.00665039 Jy ! Component: 1900 - total flux cleaned = 0.00655213 Jy ! Component: 1950 - total flux cleaned = 0.00669821 Jy ! Component: 2000 - total flux cleaned = 0.00655437 Jy ! Component: 2050 - total flux cleaned = 0.00660266 Jy ! Component: 2100 - total flux cleaned = 0.00660251 Jy ! Component: 2150 - total flux cleaned = 0.00664921 Jy ! Component: 2200 - total flux cleaned = 0.00646255 Jy ! Component: 2250 - total flux cleaned = 0.00637058 Jy ! Component: 2300 - total flux cleaned = 0.00609562 Jy ! Component: 2350 - total flux cleaned = 0.00636841 Jy ! Component: 2400 - total flux cleaned = 0.00614284 Jy ! Component: 2450 - total flux cleaned = 0.00605326 Jy ! Component: 2500 - total flux cleaned = 0.00596401 Jy ! Component: 2550 - total flux cleaned = 0.00596439 Jy ! Component: 2600 - total flux cleaned = 0.00596413 Jy ! Component: 2650 - total flux cleaned = 0.00574721 Jy ! Component: 2700 - total flux cleaned = 0.0057471 Jy ! Component: 2750 - total flux cleaned = 0.0057042 Jy ! Component: 2800 - total flux cleaned = 0.00549238 Jy ! Component: 2850 - total flux cleaned = 0.00536659 Jy ! Component: 2900 - total flux cleaned = 0.00528294 Jy ! Component: 2950 - total flux cleaned = 0.00540726 Jy ! Component: 3000 - total flux cleaned = 0.00516021 Jy ! Component: 3050 - total flux cleaned = 0.00516055 Jy ! Component: 3100 - total flux cleaned = 0.00503848 Jy ! Component: 3150 - total flux cleaned = 0.0051192 Jy ! Component: 3200 - total flux cleaned = 0.0052393 Jy ! Component: 3250 - total flux cleaned = 0.00527909 Jy ! Component: 3300 - total flux cleaned = 0.00523956 Jy ! Component: 3350 - total flux cleaned = 0.00527858 Jy ! Component: 3400 - total flux cleaned = 0.0052 Jy ! Component: 3450 - total flux cleaned = 0.00512242 Jy ! Component: 3500 - total flux cleaned = 0.00512269 Jy ! Component: 3550 - total flux cleaned = 0.00508483 Jy ! Component: 3600 - total flux cleaned = 0.00519907 Jy ! Component: 3650 - total flux cleaned = 0.00512337 Jy ! Component: 3700 - total flux cleaned = 0.00523603 Jy ! Component: 3750 - total flux cleaned = 0.00512351 Jy ! Component: 3800 - total flux cleaned = 0.00519787 Jy ! Component: 3850 - total flux cleaned = 0.00508691 Jy ! Component: 3900 - total flux cleaned = 0.00516044 Jy ! Component: 3950 - total flux cleaned = 0.0051973 Jy ! Component: 4000 - total flux cleaned = 0.00519725 Jy ! Component: 4050 - total flux cleaned = 0.00537817 Jy ! Total flux subtracted in 4096 components = 0.00530617 Jy ! Clean residual min=-0.002255 max=0.002062 Jy/beam ! Clean residual mean=0.000001 rms=0.000641 Jy/beam ! Combined flux in latest and established models = 0.981009 Jy keep ! Adding 281 model components to the UV plane model. ! The established model now contains 400 components and 0.981009 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uvm//J1957-3845_S_b_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.081 x 8.206 at 4.252 degrees (North through East) ! Clean map min=-0.0047921 max=0.76437 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uvm//J1957-3845_S_b_map.fits wmodel /image_prod/ug002_uvm//J1957-3845_S_b_map.mod ! Writing 400 model components to file: /image_prod/ug002_uvm//J1957-3845_S_b_map.mod wobs /image_prod/ug002_uvm//J1957-3845_S_b_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uvm//J1957-3845_S_b_uvs.fits wwins /image_prod/ug002_uvm//J1957-3845_S_b_map.win ! wwins: Wrote 8 windows to /image_prod/ug002_uvm//J1957-3845_S_b_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.764374 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00064069 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.251457 0.251457 0.502913 1.00583 2.01165 4.02331 8.04661 16.0932 32.1865 64.3729 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0019 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.764 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1193.05 quit ! Quitting program ! Log file /image_prod/ug002_uvm//J1957-3845_S_b_dfm.log closed on Wed Mar 4 17:39:01 2020