! Started logfile: /tmp/maps//J1957+3338_X_20180605_dfm.log on Wed Jul 4 23:41:24 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 /tmp/maps//J1957+3338_X_20180605_uva.fits ! Reading UV FITS file: /tmp/maps//J1957+3338_X_20180605_uva.fits ! AN table 1: 22 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.943434 visibilities/baseline/integration-bin. ! Found source: J1957+3338 ! ! 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 7472 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 J1957+3338_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 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.006297Jy sigma=30.307767 ! Fit after self-cal, rms=0.855824Jy sigma=25.774265 ! 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=0.7009 mas, bmaj=2.373 mas, bpa=-14.59 degrees ! Estimated noise=0.462452 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 = 0.105079 Jy ! Component: 100 - total flux cleaned = 0.132883 Jy ! Total flux subtracted in 100 components = 0.132883 Jy ! Clean residual min=-0.005510 max=0.012637 Jy/beam ! Clean residual mean=-0.000010 rms=0.001332 Jy/beam ! Combined flux in latest and established models = 0.132882 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.132882 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=0.036129Jy sigma=1.035085 ! Fit after self-cal, rms=0.036097Jy sigma=1.034130 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0141711 Jy ! Component: 100 - total flux cleaned = 0.0217521 Jy ! Total flux subtracted in 100 components = 0.0217521 Jy ! Clean residual min=-0.003980 max=0.005529 Jy/beam ! Clean residual mean=-0.000004 rms=0.000768 Jy/beam ! Combined flux in latest and established models = 0.154635 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 6 components and 0.154635 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=0.028251Jy sigma=0.783208 ! Fit after self-cal, rms=0.028193Jy sigma=0.781373 ! Inverting map ! Added new window around map position (8.6, -5). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00532732 Jy ! Component: 100 - total flux cleaned = 0.00845955 Jy ! Total flux subtracted in 100 components = 0.00845955 Jy ! Clean residual min=-0.003306 max=0.004007 Jy/beam ! Clean residual mean=-0.000002 rms=0.000623 Jy/beam ! Combined flux in latest and established models = 0.163094 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 14 components and 0.163094 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=0.026894Jy sigma=0.736257 ! Fit after self-cal, rms=0.026841Jy sigma=0.734578 ! 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=0.9085 mas, bmaj=2.474 mas, bpa=-14.17 degrees ! Estimated noise=0.2832 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-2, -1.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00304465 Jy ! Component: 100 - total flux cleaned = 0.00378473 Jy ! Component: 150 - total flux cleaned = 0.00453061 Jy ! Component: 200 - total flux cleaned = 0.00496358 Jy ! Total flux subtracted in 200 components = 0.00496358 Jy ! Clean residual min=-0.002652 max=0.002941 Jy/beam ! Clean residual mean=-0.000004 rms=0.000582 Jy/beam ! Combined flux in latest and established models = 0.168058 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 38 components and 0.168058 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=0.025742Jy sigma=0.695570 ! Fit after self-cal, rms=0.025713Jy sigma=0.694420 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9085 x 2.474 at -14.17 degrees (North through East) ! Clean map min=-0.0025662 max=0.14188 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.98 HN 0.99 KP 1.00 ! LA 1.01 MK 1.01 NL 1.04 OV 0.96 ! PT 0.99 SC 0.99 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.00 HN 0.98 KP 0.98 ! LA 1.02 MK 1.00 NL 1.04 OV 0.98 ! PT 1.00 SC 1.03 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.00 HN 1.01 KP 1.00 ! LA 1.00 MK 1.01 NL 1.04 OV 0.95 ! PT 1.01 SC 1.00 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.01 HN 0.98 KP 1.00 ! LA 1.00 MK 1.00 NL 1.03 OV 0.97 ! PT 0.99 SC 1.02 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.01 HN 1.00 KP 1.00 ! LA 1.01 MK 1.00 NL 1.05 OV 0.98 ! PT 0.99 SC 1.01 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.01 HN 0.99 KP 1.00 ! LA 1.02 MK 0.99 NL 1.06 OV 0.96 ! PT 1.00 SC 1.05 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.02 HN 0.99 KP 0.99 ! LA 1.00 MK 1.01 NL 1.05 OV 0.96 ! PT 0.99 SC 1.03 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.02 HN 0.98 KP 0.99 ! LA 1.02 MK 1.01 NL 1.04 OV 0.98 ! PT 1.00 SC 1.01 ! ! ! Fit before self-cal, rms=0.025713Jy sigma=0.694420 ! Fit after self-cal, rms=0.024878Jy sigma=0.673332 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9122 mas, bmaj=2.463 mas, bpa=-14.14 degrees ! Estimated noise=0.282022 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 (4, -11.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00223416 Jy ! Component: 100 - total flux cleaned = 0.00274691 Jy ! Component: 150 - total flux cleaned = 0.00313132 Jy ! Component: 200 - total flux cleaned = 0.00351253 Jy ! Total flux subtracted in 200 components = 0.00351253 Jy ! Clean residual min=-0.001325 max=0.001311 Jy/beam ! Clean residual mean=-0.000004 rms=0.000312 Jy/beam ! Combined flux in latest and established models = 0.17157 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 57 components and 0.17157 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=0.024631Jy sigma=0.664487 ! Fit after self-cal, rms=0.024623Jy sigma=0.664362 ! 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=0.024623Jy sigma=0.664362 ! Fit after self-cal, rms=0.024584Jy sigma=0.663895 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9131 mas, bmaj=2.461 mas, bpa=-14.13 degrees ! Estimated noise=0.281807 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000174652 Jy ! Component: 100 - total flux cleaned = 0.000454924 Jy ! Component: 150 - total flux cleaned = 0.000694512 Jy ! Component: 200 - total flux cleaned = 0.000950951 Jy ! Total flux subtracted in 200 components = 0.000950951 Jy ! Clean residual min=-0.001192 max=0.001184 Jy/beam ! Clean residual mean=-0.000004 rms=0.000281 Jy/beam ! Combined flux in latest and established models = 0.172521 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 76 components and 0.172521 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=0.024526Jy sigma=0.661869 ! Fit after self-cal, rms=0.024524Jy sigma=0.661819 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 = 0.000197896 Jy ! Component: 100 - total flux cleaned = 0.000447341 Jy ! Component: 150 - total flux cleaned = 0.000688821 Jy ! Component: 200 - total flux cleaned = 0.000807639 Jy ! Total flux subtracted in 200 components = 0.000807639 Jy ! Clean residual min=-0.001131 max=0.001152 Jy/beam ! Clean residual mean=-0.000003 rms=0.000273 Jy/beam ! Combined flux in latest and established models = 0.173329 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 88 components and 0.173329 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=0.024502Jy sigma=0.661106 ! Fit after self-cal, rms=0.024502Jy sigma=0.661090 ! Inverting map ! Added new window around map position (-21.4, 9.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000601358 Jy ! Component: 100 - total flux cleaned = 0.000736678 Jy ! Component: 150 - total flux cleaned = 0.000965348 Jy ! Component: 200 - total flux cleaned = 0.00115135 Jy ! Total flux subtracted in 200 components = 0.00115135 Jy ! Clean residual min=-0.000985 max=0.000944 Jy/beam ! Clean residual mean=-0.000003 rms=0.000237 Jy/beam ! Combined flux in latest and established models = 0.17448 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 117 components and 0.17448 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=0.024442Jy sigma=0.659097 ! Fit after self-cal, rms=0.024440Jy sigma=0.659006 ! 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=0.024440Jy sigma=0.659006 ! Fit after self-cal, rms=0.024415Jy sigma=0.658595 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9131 mas, bmaj=2.459 mas, bpa=-14.12 degrees ! Estimated noise=0.281907 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.62305e-05 Jy ! Component: 100 - total flux cleaned = 0.000203693 Jy ! Component: 150 - total flux cleaned = 0.000388434 Jy ! Component: 200 - total flux cleaned = 0.000515868 Jy ! Total flux subtracted in 200 components = 0.000515868 Jy ! Clean residual min=-0.000922 max=0.000888 Jy/beam ! Clean residual mean=-0.000002 rms=0.000217 Jy/beam ! Combined flux in latest and established models = 0.174996 Jy selfcal ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 135 components and 0.174996 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=0.024393Jy sigma=0.657816 ! Fit after self-cal, rms=0.024391Jy sigma=0.657785 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 = 0.000206942 Jy ! Component: 100 - total flux cleaned = 0.000246284 Jy ! Component: 150 - total flux cleaned = 0.000332417 Jy ! Component: 200 - total flux cleaned = 0.000379072 Jy ! Total flux subtracted in 200 components = 0.000379072 Jy ! Clean residual min=-0.000886 max=0.000885 Jy/beam ! Clean residual mean=-0.000002 rms=0.000211 Jy/beam ! Combined flux in latest and established models = 0.175375 Jy ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 149 components and 0.175375 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=0.024380Jy sigma=0.657379 ! Fit after self-cal, rms=0.024379Jy sigma=0.657368 ! 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=0.024379Jy sigma=0.657368 ! Fit after self-cal, rms=0.024372Jy sigma=0.657269 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.051 mas, bmaj=2.881 mas, bpa=-10.78 degrees ! Estimated noise=0.352336 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000272313 Jy ! Component: 100 - total flux cleaned = 0.000474704 Jy ! Component: 150 - total flux cleaned = 0.000597713 Jy ! Component: 200 - total flux cleaned = 0.00062223 Jy ! Total flux subtracted in 200 components = 0.00062223 Jy ! Clean residual min=-0.000846 max=0.000876 Jy/beam ! Clean residual mean=-0.000003 rms=0.000236 Jy/beam ! Combined flux in latest and established models = 0.175997 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 160 components and 0.175997 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=0.024363Jy sigma=0.656979 ! Fit after self-cal, rms=0.024362Jy sigma=0.656960 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 = 0.000114193 Jy ! Component: 100 - total flux cleaned = 0.000147492 Jy ! Component: 150 - total flux cleaned = 0.000188051 Jy ! Component: 200 - total flux cleaned = 0.000226254 Jy ! Total flux subtracted in 200 components = 0.000226254 Jy ! Clean residual min=-0.000822 max=0.000830 Jy/beam ! Clean residual mean=-0.000003 rms=0.000227 Jy/beam ! Combined flux in latest and established models = 0.176224 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 174 components and 0.176224 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=0.024358Jy sigma=0.656843 ! Fit after self-cal, rms=0.024358Jy sigma=0.656836 ! 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=0.9129 mas, bmaj=2.458 mas, bpa=-14.12 degrees ! Estimated noise=0.281972 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9129 x 2.458 at -14.12 degrees (North through East) ! Clean map min=-0.0014453 max=0.14105 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=0.7047 mas, bmaj=2.355 mas, bpa=-14.55 degrees ! Estimated noise=0.46095 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.104675 Jy ! Component: 100 - total flux cleaned = 0.13235 Jy ! Component: 150 - total flux cleaned = 0.146323 Jy ! Component: 200 - total flux cleaned = 0.153682 Jy ! Total flux subtracted in 200 components = 0.153682 Jy ! Clean residual min=-0.002404 max=0.003470 Jy/beam ! Clean residual mean=-0.000005 rms=0.000559 Jy/beam ! Combined flux in latest and established models = 0.153682 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 7 model components to the UV plane model. ! The established model now contains 7 components and 0.153682 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9129 mas, bmaj=2.458 mas, bpa=-14.12 degrees ! Estimated noise=0.281972 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 = 0.00575883 Jy ! Component: 100 - total flux cleaned = 0.00919559 Jy ! Component: 150 - total flux cleaned = 0.0115565 Jy ! Component: 200 - total flux cleaned = 0.0133921 Jy ! Total flux subtracted in 200 components = 0.0133921 Jy ! Clean residual min=-0.001440 max=0.001494 Jy/beam ! Clean residual mean=-0.000006 rms=0.000368 Jy/beam ! Combined flux in latest and established models = 0.167074 Jy ! Adding 27 model components to the UV plane model. ! The established model now contains 30 components and 0.167074 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=2.051 mas, bmaj=2.881 mas, bpa=-10.78 degrees ! Estimated noise=0.352336 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00223515 Jy ! Component: 100 - total flux cleaned = 0.00384805 Jy ! Component: 150 - total flux cleaned = 0.00508533 Jy ! Component: 200 - total flux cleaned = 0.00584647 Jy ! Total flux subtracted in 200 components = 0.00584647 Jy ! Clean residual min=-0.001202 max=0.001247 Jy/beam ! Clean residual mean=-0.000007 rms=0.000346 Jy/beam ! Combined flux in latest and established models = 0.17292 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 = 0.000607514 Jy ! Component: 100 - total flux cleaned = 0.000875388 Jy ! Component: 150 - total flux cleaned = 0.00109314 Jy ! Component: 200 - total flux cleaned = 0.00124483 Jy ! Total flux subtracted in 200 components = 0.00124483 Jy ! Clean residual min=-0.001035 max=0.001041 Jy/beam ! Clean residual mean=-0.000005 rms=0.000292 Jy/beam ! Combined flux in latest and established models = 0.174165 Jy ! Adding 66 model components to the UV plane model. ! The established model now contains 91 components and 0.174165 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9129 mas, bmaj=2.458 mas, bpa=-14.12 degrees ! Estimated noise=0.281972 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000574688 Jy ! Component: 100 - total flux cleaned = -0.0003743 Jy ! Component: 150 - total flux cleaned = -0.000206027 Jy ! Component: 200 - total flux cleaned = 1.7896e-05 Jy ! Total flux subtracted in 200 components = 1.7896e-05 Jy ! Clean residual min=-0.001072 max=0.000951 Jy/beam ! Clean residual mean=-0.000002 rms=0.000229 Jy/beam ! Combined flux in latest and established models = 0.174183 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 110 components and 0.174183 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=0.024435Jy sigma=0.659437 ! Fit after self-cal, rms=0.024431Jy sigma=0.659198 wmodel J1957+3338_X_map.mod ! Writing 110 model components to file: J1957+3338_X_map.mod wobs J1957+3338_X_uvs.fits ! Writing UV FITS file: J1957+3338_X_uvs.fits wwins J1957+3338_X_map.win ! wwins: Wrote 5 windows to J1957+3338_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 = -1.18478e-05 Jy ! Component: 100 - total flux cleaned = 0.000181684 Jy ! Component: 150 - total flux cleaned = 0.000348453 Jy ! Component: 200 - total flux cleaned = 0.000464217 Jy ! Component: 250 - total flux cleaned = 0.000478405 Jy ! Component: 300 - total flux cleaned = 0.000411306 Jy ! Component: 350 - total flux cleaned = 0.000385345 Jy ! Component: 400 - total flux cleaned = 0.000360006 Jy ! Component: 450 - total flux cleaned = 0.000322753 Jy ! Component: 500 - total flux cleaned = 0.00031027 Jy ! Component: 550 - total flux cleaned = 0.000274328 Jy ! Component: 600 - total flux cleaned = 0.000262884 Jy ! Component: 650 - total flux cleaned = 0.000262805 Jy ! Component: 700 - total flux cleaned = 0.000251684 Jy ! Component: 750 - total flux cleaned = 0.000229602 Jy ! Component: 800 - total flux cleaned = 0.000207924 Jy ! Component: 850 - total flux cleaned = 0.000164852 Jy ! Component: 900 - total flux cleaned = 0.00013294 Jy ! Component: 950 - total flux cleaned = 7.01803e-05 Jy ! Component: 1000 - total flux cleaned = 1.88478e-05 Jy ! Component: 1050 - total flux cleaned = -2.16111e-05 Jy ! Component: 1100 - total flux cleaned = -6.1636e-05 Jy ! Component: 1150 - total flux cleaned = -0.000111024 Jy ! Component: 1200 - total flux cleaned = -0.000149834 Jy ! Component: 1250 - total flux cleaned = -0.000178655 Jy ! Component: 1300 - total flux cleaned = -0.000226058 Jy ! Component: 1350 - total flux cleaned = -0.000282312 Jy ! Component: 1400 - total flux cleaned = -0.000319183 Jy ! Component: 1450 - total flux cleaned = -0.00035579 Jy ! Component: 1500 - total flux cleaned = -0.000400987 Jy ! Component: 1550 - total flux cleaned = -0.0004632 Jy ! Component: 1600 - total flux cleaned = -0.000472062 Jy ! Component: 1650 - total flux cleaned = -0.000515806 Jy ! Component: 1700 - total flux cleaned = -0.000541633 Jy ! Component: 1750 - total flux cleaned = -0.000567351 Jy ! Component: 1800 - total flux cleaned = -0.000609421 Jy ! Component: 1850 - total flux cleaned = -0.000609424 Jy ! Component: 1900 - total flux cleaned = -0.000634185 Jy ! Component: 1950 - total flux cleaned = -0.00065863 Jy ! Component: 2000 - total flux cleaned = -0.000658603 Jy ! Component: 2050 - total flux cleaned = -0.000658634 Jy ! Component: 2100 - total flux cleaned = -0.000674579 Jy ! Component: 2150 - total flux cleaned = -0.000682454 Jy ! Component: 2200 - total flux cleaned = -0.000690247 Jy ! Component: 2250 - total flux cleaned = -0.000651579 Jy ! Component: 2300 - total flux cleaned = -0.000674618 Jy ! Component: 2350 - total flux cleaned = -0.00068213 Jy ! Component: 2400 - total flux cleaned = -0.000659597 Jy ! Component: 2450 - total flux cleaned = -0.000689329 Jy ! Component: 2500 - total flux cleaned = -0.000674475 Jy ! Component: 2550 - total flux cleaned = -0.000681837 Jy ! Component: 2600 - total flux cleaned = -0.00067454 Jy ! Component: 2650 - total flux cleaned = -0.000681633 Jy ! Component: 2700 - total flux cleaned = -0.000652985 Jy ! Component: 2750 - total flux cleaned = -0.000674336 Jy ! Component: 2800 - total flux cleaned = -0.000639114 Jy ! Component: 2850 - total flux cleaned = -0.000674072 Jy ! Component: 2900 - total flux cleaned = -0.000667119 Jy ! Component: 2950 - total flux cleaned = -0.000667057 Jy ! Component: 3000 - total flux cleaned = -0.000673846 Jy ! Component: 3050 - total flux cleaned = -0.000653612 Jy ! Component: 3100 - total flux cleaned = -0.000646927 Jy ! Component: 3150 - total flux cleaned = -0.000606873 Jy ! Component: 3200 - total flux cleaned = -0.000620224 Jy ! Component: 3250 - total flux cleaned = -0.000593843 Jy ! Component: 3300 - total flux cleaned = -0.000620025 Jy ! Component: 3350 - total flux cleaned = -0.000600501 Jy ! Component: 3400 - total flux cleaned = -0.000607022 Jy ! Component: 3450 - total flux cleaned = -0.000639133 Jy ! Component: 3500 - total flux cleaned = -0.000613508 Jy ! Component: 3550 - total flux cleaned = -0.000600839 Jy ! Component: 3600 - total flux cleaned = -0.000613409 Jy ! Component: 3650 - total flux cleaned = -0.000613415 Jy ! Component: 3700 - total flux cleaned = -0.000607199 Jy ! Component: 3750 - total flux cleaned = -0.000607165 Jy ! Component: 3800 - total flux cleaned = -0.000619497 Jy ! Component: 3850 - total flux cleaned = -0.000595025 Jy ! Component: 3900 - total flux cleaned = -0.000607159 Jy ! Component: 3950 - total flux cleaned = -0.000589069 Jy ! Component: 4000 - total flux cleaned = -0.000613157 Jy ! Component: 4050 - total flux cleaned = -0.000595234 Jy ! Total flux subtracted in 4096 components = -0.000601179 Jy ! Clean residual min=-0.000361 max=0.000481 Jy/beam ! Clean residual mean=-0.000000 rms=0.000106 Jy/beam ! Combined flux in latest and established models = 0.173582 Jy keep ! Adding 311 model components to the UV plane model. ! The established model now contains 421 components and 0.173582 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /tmp/maps//J1957+3338_X_20180605_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9129 x 2.458 at -14.12 degrees (North through East) ! Clean map min=-0.0011362 max=0.14125 Jy/beam ! Writing clean map to FITS file: /tmp/maps//J1957+3338_X_20180605_map.fits wmodel /tmp/maps//J1957+3338_X_20180605_map.mod ! Writing 421 model components to file: /tmp/maps//J1957+3338_X_20180605_map.mod wobs /tmp/maps//J1957+3338_X_20180605_uvs.fits ! Writing UV FITS file: /tmp/maps//J1957+3338_X_20180605_uvs.fits wwins /tmp/maps//J1957+3338_X_20180605_map.win ! wwins: Wrote 6 windows to /tmp/maps//J1957+3338_X_20180605_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.141253 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000104942 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.222881 0.222881 0.445762 0.891524 1.78305 3.5661 7.13219 14.2644 28.5288 57.0575 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.141 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1346.01 quit ! Quitting program ! Log file /tmp/maps//J1957+3338_X_20180605_dfm.log closed on Wed Jul 4 23:41:31 2018