! Started logfile: /tmp/maps//J1658+4737_X_20180604_dfm.log on Wed Jul 4 23:33:13 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//J1658+4737_X_20180604_uva.fits ! Reading UV FITS file: /tmp/maps//J1658+4737_X_20180604_uva.fits ! AN table 1: 17 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.955882 visibilities/baseline/integration-bin. ! Found source: J1658+4737 ! ! 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 3640 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 J1658+4737_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 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.181081Jy sigma=24.043983 ! Fit after self-cal, rms=0.438896Jy sigma=9.262217 ! 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=0.9385 mas, bmaj=4.312 mas, bpa=-80.01 degrees ! Estimated noise=0.815027 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 = 0.41364 Jy ! Component: 100 - total flux cleaned = 0.518439 Jy ! Total flux subtracted in 100 components = 0.518439 Jy ! Clean residual min=-0.035075 max=0.059359 Jy/beam ! Clean residual mean=0.000503 rms=0.010930 Jy/beam ! Combined flux in latest and established models = 0.518439 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.518439 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=0.147351Jy sigma=2.889787 ! Fit after self-cal, rms=0.146949Jy sigma=2.881213 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.227 mas, bmaj=4.286 mas, bpa=-80.14 degrees ! Estimated noise=0.589691 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 = 0.0784463 Jy ! Component: 100 - total flux cleaned = 0.116315 Jy ! Component: 150 - total flux cleaned = 0.139568 Jy ! Component: 200 - total flux cleaned = 0.154296 Jy ! Total flux subtracted in 200 components = 0.154296 Jy ! Clean residual min=-0.036639 max=0.052812 Jy/beam ! Clean residual mean=0.000882 rms=0.010248 Jy/beam ! Combined flux in latest and established models = 0.672735 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 19 components and 0.672735 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=0.096243Jy sigma=1.926658 ! Fit after self-cal, rms=0.094557Jy sigma=1.890936 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.227 x 4.286 at -80.14 degrees (North through East) ! Clean map min=-0.03384 max=0.56951 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.06 HN 1.03 KP 0.99 ! LA 0.98 NL 1.17 PT 0.82 SC 1.01 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.04 HN 1.03 KP 0.98 ! LA 0.97 NL 1.15 PT 0.82 SC 1.02 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.03 HN 1.03 KP 0.99 ! LA 0.98 NL 1.14 PT 0.83 SC 1.02 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.04 HN 1.02 KP 0.99 ! LA 0.97 NL 1.14 PT 0.83 SC 1.00 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.04 HN 1.02 KP 0.99 ! LA 0.98 NL 1.14 PT 0.83 SC 0.98 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.05 HN 1.00 KP 1.00 ! LA 0.98 NL 1.16 PT 0.83 SC 0.98 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.04 HN 1.00 KP 0.99 ! LA 0.99 NL 1.14 PT 0.83 SC 0.98 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.02 HN 0.99 KP 0.99 ! LA 0.98 NL 1.13 PT 0.83 SC 0.98 ! ! ! Fit before self-cal, rms=0.094557Jy sigma=1.890936 ! Fit after self-cal, rms=0.063750Jy sigma=1.205817 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.223 mas, bmaj=4.276 mas, bpa=-80.19 degrees ! Estimated noise=0.581489 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 (-14.8, -3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0290268 Jy ! Component: 100 - total flux cleaned = 0.028837 Jy ! Component: 150 - total flux cleaned = 0.0263149 Jy ! Component: 200 - total flux cleaned = 0.0244614 Jy ! Total flux subtracted in 200 components = 0.0244614 Jy ! Clean residual min=-0.012224 max=0.015462 Jy/beam ! Clean residual mean=-0.000048 rms=0.003079 Jy/beam ! Combined flux in latest and established models = 0.697196 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 39 components and 0.697196 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=0.046482Jy sigma=0.880314 ! Fit after self-cal, rms=0.045192Jy sigma=0.857318 ! Inverting map ! Added new window around map position (4.8, 18.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00957302 Jy ! Component: 100 - total flux cleaned = 0.00728466 Jy ! Component: 150 - total flux cleaned = 0.0054578 Jy ! Component: 200 - total flux cleaned = 0.00428773 Jy ! Total flux subtracted in 200 components = 0.00428773 Jy ! Clean residual min=-0.009128 max=0.009027 Jy/beam ! Clean residual mean=-0.000122 rms=0.002156 Jy/beam ! Combined flux in latest and established models = 0.701484 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 60 components and 0.701484 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=0.040111Jy sigma=0.754082 ! Fit after self-cal, rms=0.040025Jy sigma=0.752101 ! 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=0.040025Jy sigma=0.752101 ! Fit after self-cal, rms=0.038748Jy sigma=0.726895 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.222 mas, bmaj=4.269 mas, bpa=-80.2 degrees ! Estimated noise=0.577244 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00262853 Jy ! Component: 100 - total flux cleaned = 0.00290929 Jy ! Component: 150 - total flux cleaned = 0.00255722 Jy ! Component: 200 - total flux cleaned = 0.00180524 Jy ! Total flux subtracted in 200 components = 0.00180524 Jy ! Clean residual min=-0.006210 max=0.007373 Jy/beam ! Clean residual mean=-0.000029 rms=0.001616 Jy/beam ! Combined flux in latest and established models = 0.703289 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 86 components and 0.703289 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=0.037618Jy sigma=0.707779 ! Fit after self-cal, rms=0.037581Jy sigma=0.707082 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 (43.6, 9.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00485342 Jy ! Component: 100 - total flux cleaned = 0.00417752 Jy ! Component: 150 - total flux cleaned = 0.00355081 Jy ! Component: 200 - total flux cleaned = 0.00309098 Jy ! Total flux subtracted in 200 components = 0.00309098 Jy ! Clean residual min=-0.005694 max=0.005562 Jy/beam ! Clean residual mean=-0.000015 rms=0.001349 Jy/beam ! Combined flux in latest and established models = 0.70638 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 115 components and 0.70638 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=0.036340Jy sigma=0.681310 ! Fit after self-cal, rms=0.036280Jy sigma=0.679441 ! 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=0.036280Jy sigma=0.679441 ! Fit after self-cal, rms=0.036111Jy sigma=0.675637 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.222 mas, bmaj=4.267 mas, bpa=-80.19 degrees ! Estimated noise=0.57599 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00164334 Jy ! Component: 100 - total flux cleaned = 0.00218042 Jy ! Component: 150 - total flux cleaned = 0.00233163 Jy ! Component: 200 - total flux cleaned = 0.00226612 Jy ! Total flux subtracted in 200 components = 0.00226612 Jy ! Clean residual min=-0.004781 max=0.005014 Jy/beam ! Clean residual mean=-0.000022 rms=0.001183 Jy/beam ! Combined flux in latest and established models = 0.708646 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 134 components and 0.708646 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=0.035674Jy sigma=0.667425 ! Fit after self-cal, rms=0.035662Jy sigma=0.666981 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 = 6.63203e-05 Jy ! Component: 100 - total flux cleaned = -0.00012468 Jy ! Component: 150 - total flux cleaned = -0.000245033 Jy ! Component: 200 - total flux cleaned = -0.000304975 Jy ! Total flux subtracted in 200 components = -0.000304975 Jy ! Clean residual min=-0.004494 max=0.004835 Jy/beam ! Clean residual mean=-0.000017 rms=0.001124 Jy/beam ! Combined flux in latest and established models = 0.708341 Jy ! Performing phase self-cal ! Adding 44 model components to the UV plane model. ! The established model now contains 165 components and 0.708341 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=0.035466Jy sigma=0.662743 ! Fit after self-cal, rms=0.035461Jy sigma=0.662580 ! Inverting map ! Added new window around map position (-18.2, 41). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00319208 Jy ! Component: 100 - total flux cleaned = 0.00282243 Jy ! Component: 150 - total flux cleaned = 0.00282794 Jy ! Component: 200 - total flux cleaned = 0.00295178 Jy ! Total flux subtracted in 200 components = 0.00295178 Jy ! Clean residual min=-0.003785 max=0.003518 Jy/beam ! Clean residual mean=-0.000007 rms=0.000938 Jy/beam ! Combined flux in latest and established models = 0.711293 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 192 components and 0.711293 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=0.034877Jy sigma=0.650241 ! Fit after self-cal, rms=0.034834Jy sigma=0.649403 ! 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=0.034834Jy sigma=0.649403 ! Fit after self-cal, rms=0.034771Jy sigma=0.648194 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.304 mas, bmaj=4.424 mas, bpa=-79.61 degrees ! Estimated noise=0.671167 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00108092 Jy ! Component: 100 - total flux cleaned = 0.00181852 Jy ! Component: 150 - total flux cleaned = 0.0020218 Jy ! Component: 200 - total flux cleaned = 0.00225599 Jy ! Total flux subtracted in 200 components = 0.00225599 Jy ! Clean residual min=-0.004269 max=0.003427 Jy/beam ! Clean residual mean=-0.000013 rms=0.001000 Jy/beam ! Combined flux in latest and established models = 0.713549 Jy selfcal ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 219 components and 0.713549 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=0.034635Jy sigma=0.645256 ! Fit after self-cal, rms=0.034631Jy sigma=0.645147 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 = 0.000179324 Jy ! Component: 100 - total flux cleaned = 0.000222969 Jy ! Component: 150 - total flux cleaned = 0.000302679 Jy ! Component: 200 - total flux cleaned = 0.000340114 Jy ! Total flux subtracted in 200 components = 0.000340114 Jy ! Clean residual min=-0.003967 max=0.003346 Jy/beam ! Clean residual mean=-0.000015 rms=0.000930 Jy/beam ! Combined flux in latest and established models = 0.713889 Jy ! Performing phase self-cal ! Adding 45 model components to the UV plane model. ! The established model now contains 244 components and 0.713889 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=0.034565Jy sigma=0.643530 ! Fit after self-cal, rms=0.034562Jy sigma=0.643497 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=1.222 mas, bmaj=4.267 mas, bpa=-80.19 degrees ! Estimated noise=0.575519 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.222 x 4.267 at -80.19 degrees (North through East) ! Clean map min=-0.0096937 max=0.56342 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.034562Jy sigma=0.643497 ! Fit after self-cal, rms=0.031279Jy sigma=0.582077 ! Inverting map and beam ! Estimated beam: bmin=1.222 mas, bmaj=4.267 mas, bpa=-80.19 degrees ! Estimated noise=0.575786 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000138484 Jy ! Component: 100 - total flux cleaned = 0.000216899 Jy ! Component: 150 - total flux cleaned = 0.000357781 Jy ! Component: 200 - total flux cleaned = 0.000490964 Jy ! Total flux subtracted in 200 components = 0.000490964 Jy ! Clean residual min=-0.003026 max=0.002879 Jy/beam ! Clean residual mean=-0.000008 rms=0.000740 Jy/beam ! Combined flux in latest and established models = 0.71438 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 264 components and 0.71438 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=0.031142Jy sigma=0.579015 ! Fit after self-cal, rms=0.031141Jy sigma=0.578995 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.22382e-05 Jy ! Component: 100 - total flux cleaned = -3.7455e-05 Jy ! Component: 150 - total flux cleaned = 7.97956e-05 Jy ! Component: 200 - total flux cleaned = 4.24209e-05 Jy ! Total flux subtracted in 200 components = 4.24209e-05 Jy ! Clean residual min=-0.002904 max=0.002750 Jy/beam ! Clean residual mean=-0.000008 rms=0.000713 Jy/beam ! Combined flux in latest and established models = 0.714423 Jy ! Performing phase self-cal ! Adding 44 model components to the UV plane model. ! The established model now contains 280 components and 0.714423 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=0.031057Jy sigma=0.577018 ! Fit after self-cal, rms=0.031056Jy sigma=0.577004 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.031056Jy sigma=0.577004 ! Fit after self-cal, rms=0.031050Jy sigma=0.576909 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=0.9325 mas, bmaj=4.287 mas, bpa=-79.99 degrees ! Estimated noise=0.80732 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.409536 Jy ! Component: 100 - total flux cleaned = 0.518804 Jy ! Component: 150 - total flux cleaned = 0.576338 Jy ! Component: 200 - total flux cleaned = 0.611553 Jy ! Total flux subtracted in 200 components = 0.611553 Jy ! Clean residual min=-0.015890 max=0.026481 Jy/beam ! Clean residual mean=0.000151 rms=0.005288 Jy/beam ! Combined flux in latest and established models = 0.611553 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 16 model components to the UV plane model. ! The established model now contains 16 components and 0.611553 Jy ! Inverting map and beam ! Estimated beam: bmin=1.222 mas, bmaj=4.267 mas, bpa=-80.19 degrees ! Estimated noise=0.575762 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (14.2, 7.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0396863 Jy ! Component: 100 - total flux cleaned = 0.062392 Jy ! Component: 150 - total flux cleaned = 0.0774768 Jy ! Component: 200 - total flux cleaned = 0.0871759 Jy ! Total flux subtracted in 200 components = 0.0871759 Jy ! Clean residual min=-0.009130 max=0.009691 Jy/beam ! Clean residual mean=0.000038 rms=0.002241 Jy/beam ! Combined flux in latest and established models = 0.698729 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 55 components and 0.698729 Jy ! Inverting map ! Added new window around map position (-0.6, 2.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00678342 Jy ! Component: 100 - total flux cleaned = 0.00949212 Jy ! Component: 150 - total flux cleaned = 0.0108142 Jy ! Component: 200 - total flux cleaned = 0.0117415 Jy ! Total flux subtracted in 200 components = 0.0117415 Jy ! Clean residual min=-0.005761 max=0.004929 Jy/beam ! Clean residual mean=0.000021 rms=0.001371 Jy/beam ! Combined flux in latest and established models = 0.710471 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 85 components and 0.710471 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=2.304 mas, bmaj=4.424 mas, bpa=-79.6 degrees ! Estimated noise=0.671484 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000490304 Jy ! Component: 100 - total flux cleaned = 0.00018043 Jy ! Component: 150 - total flux cleaned = -7.51104e-05 Jy ! Component: 200 - total flux cleaned = 4.10305e-05 Jy ! Total flux subtracted in 200 components = 4.10305e-05 Jy ! Clean residual min=-0.004792 max=0.003760 Jy/beam ! Clean residual mean=0.000006 rms=0.001205 Jy/beam ! Combined flux in latest and established models = 0.710512 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 = 0.000102411 Jy ! Component: 100 - total flux cleaned = 0.000388473 Jy ! Component: 150 - total flux cleaned = 0.000646781 Jy ! Component: 200 - total flux cleaned = 0.000727637 Jy ! Total flux subtracted in 200 components = 0.000727637 Jy ! Clean residual min=-0.004300 max=0.003399 Jy/beam ! Clean residual mean=-0.000001 rms=0.001011 Jy/beam ! Combined flux in latest and established models = 0.711239 Jy ! Adding 56 model components to the UV plane model. ! The established model now contains 134 components and 0.711239 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.222 mas, bmaj=4.267 mas, bpa=-80.19 degrees ! Estimated noise=0.575762 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000223598 Jy ! Component: 100 - total flux cleaned = 0.000422714 Jy ! Component: 150 - total flux cleaned = 0.000930071 Jy ! Component: 200 - total flux cleaned = 0.00148357 Jy ! Total flux subtracted in 200 components = 0.00148357 Jy ! Clean residual min=-0.003618 max=0.003279 Jy/beam ! Clean residual mean=0.000009 rms=0.000852 Jy/beam ! Combined flux in latest and established models = 0.712723 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 161 components and 0.712723 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=0.031706Jy sigma=0.590037 ! Fit after self-cal, rms=0.031552Jy sigma=0.586159 wmodel J1658+4737_X_map.mod ! Writing 161 model components to file: J1658+4737_X_map.mod wobs J1658+4737_X_uvs.fits ! Writing UV FITS file: J1658+4737_X_uvs.fits wwins J1658+4737_X_map.win ! wwins: Wrote 7 windows to J1658+4737_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 = -0.000773754 Jy ! Component: 100 - total flux cleaned = -0.000772882 Jy ! Component: 150 - total flux cleaned = -0.000579159 Jy ! Component: 200 - total flux cleaned = -0.000405194 Jy ! Component: 250 - total flux cleaned = -0.000363998 Jy ! Component: 300 - total flux cleaned = -0.000287025 Jy ! Component: 350 - total flux cleaned = -0.000285201 Jy ! Component: 400 - total flux cleaned = -0.000250105 Jy ! Component: 450 - total flux cleaned = -0.000318949 Jy ! Component: 500 - total flux cleaned = -0.000416778 Jy ! Component: 550 - total flux cleaned = -0.000601934 Jy ! Component: 600 - total flux cleaned = -0.000660823 Jy ! Component: 650 - total flux cleaned = -0.000833416 Jy ! Component: 700 - total flux cleaned = -0.000860847 Jy ! Component: 750 - total flux cleaned = -0.000968374 Jy ! Component: 800 - total flux cleaned = -0.00102034 Jy ! Component: 850 - total flux cleaned = -0.00112108 Jy ! Component: 900 - total flux cleaned = -0.00117081 Jy ! Component: 950 - total flux cleaned = -0.00131406 Jy ! Component: 1000 - total flux cleaned = -0.00140667 Jy ! Component: 1050 - total flux cleaned = -0.00142998 Jy ! Component: 1100 - total flux cleaned = -0.0014966 Jy ! Component: 1150 - total flux cleaned = -0.00166772 Jy ! Component: 1200 - total flux cleaned = -0.00175072 Jy ! Component: 1250 - total flux cleaned = -0.00179112 Jy ! Component: 1300 - total flux cleaned = -0.00183104 Jy ! Component: 1350 - total flux cleaned = -0.0019293 Jy ! Component: 1400 - total flux cleaned = -0.00196755 Jy ! Component: 1450 - total flux cleaned = -0.00204303 Jy ! Component: 1500 - total flux cleaned = -0.00209849 Jy ! Component: 1550 - total flux cleaned = -0.00211675 Jy ! Component: 1600 - total flux cleaned = -0.00217052 Jy ! Component: 1650 - total flux cleaned = -0.00217053 Jy ! Component: 1700 - total flux cleaned = -0.00225769 Jy ! Component: 1750 - total flux cleaned = -0.00225764 Jy ! Component: 1800 - total flux cleaned = -0.00232571 Jy ! Component: 1850 - total flux cleaned = -0.00229207 Jy ! Component: 1900 - total flux cleaned = -0.00227545 Jy ! Component: 1950 - total flux cleaned = -0.00227548 Jy ! Component: 2000 - total flux cleaned = -0.00229173 Jy ! Component: 2050 - total flux cleaned = -0.00227541 Jy ! Component: 2100 - total flux cleaned = -0.00227531 Jy ! Component: 2150 - total flux cleaned = -0.00227526 Jy ! Component: 2200 - total flux cleaned = -0.00225916 Jy ! Component: 2250 - total flux cleaned = -0.00221177 Jy ! Component: 2300 - total flux cleaned = -0.00216462 Jy ! Component: 2350 - total flux cleaned = -0.00213333 Jy ! Component: 2400 - total flux cleaned = -0.00210232 Jy ! Component: 2450 - total flux cleaned = -0.00210234 Jy ! Component: 2500 - total flux cleaned = -0.00207146 Jy ! Component: 2550 - total flux cleaned = -0.00204066 Jy ! Component: 2600 - total flux cleaned = -0.00197927 Jy ! Component: 2650 - total flux cleaned = -0.0020098 Jy ! Component: 2700 - total flux cleaned = -0.00199445 Jy ! Component: 2750 - total flux cleaned = -0.00199446 Jy ! Component: 2800 - total flux cleaned = -0.00196396 Jy ! Component: 2850 - total flux cleaned = -0.00193354 Jy ! Component: 2900 - total flux cleaned = -0.00187265 Jy ! Component: 2950 - total flux cleaned = -0.00184223 Jy ! Component: 3000 - total flux cleaned = -0.00181176 Jy ! Component: 3050 - total flux cleaned = -0.00178137 Jy ! Component: 3100 - total flux cleaned = -0.00175095 Jy ! Component: 3150 - total flux cleaned = -0.00173558 Jy ! Component: 3200 - total flux cleaned = -0.00172037 Jy ! Component: 3250 - total flux cleaned = -0.00176617 Jy ! Component: 3300 - total flux cleaned = -0.00175077 Jy ! Component: 3350 - total flux cleaned = -0.00176611 Jy ! Component: 3400 - total flux cleaned = -0.00175087 Jy ! Component: 3450 - total flux cleaned = -0.00176624 Jy ! Component: 3500 - total flux cleaned = -0.00175089 Jy ! Component: 3550 - total flux cleaned = -0.00173551 Jy ! Component: 3600 - total flux cleaned = -0.00173541 Jy ! Component: 3650 - total flux cleaned = -0.0016889 Jy ! Component: 3700 - total flux cleaned = -0.00171991 Jy ! Component: 3750 - total flux cleaned = -0.00167326 Jy ! Component: 3800 - total flux cleaned = -0.00164217 Jy ! Component: 3850 - total flux cleaned = -0.00161093 Jy ! Component: 3900 - total flux cleaned = -0.00154829 Jy ! Component: 3950 - total flux cleaned = -0.00150119 Jy ! Component: 4000 - total flux cleaned = -0.00143811 Jy ! Component: 4050 - total flux cleaned = -0.00143802 Jy ! Total flux subtracted in 4096 components = -0.00145386 Jy ! Clean residual min=-0.001037 max=0.000924 Jy/beam ! Clean residual mean=0.000020 rms=0.000285 Jy/beam ! Combined flux in latest and established models = 0.711269 Jy keep ! Adding 249 model components to the UV plane model. ! The established model now contains 410 components and 0.711269 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /tmp/maps//J1658+4737_X_20180604_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.222 x 4.267 at -80.19 degrees (North through East) ! Clean map min=-0.0043022 max=0.55243 Jy/beam ! Writing clean map to FITS file: /tmp/maps//J1658+4737_X_20180604_map.fits wmodel /tmp/maps//J1658+4737_X_20180604_map.mod ! Writing 410 model components to file: /tmp/maps//J1658+4737_X_20180604_map.mod wobs /tmp/maps//J1658+4737_X_20180604_uvs.fits ! Writing UV FITS file: /tmp/maps//J1658+4737_X_20180604_uvs.fits wwins /tmp/maps//J1658+4737_X_20180604_map.win ! wwins: Wrote 8 windows to /tmp/maps//J1658+4737_X_20180604_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.55243 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000286848 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.155774 0.155774 0.311548 0.623097 1.24619 2.49239 4.98477 9.96955 19.9391 39.8782 79.7564 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0008 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.552 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1925.86 quit ! Quitting program ! Log file /tmp/maps//J1658+4737_X_20180604_dfm.log closed on Wed Jul 4 23:33:17 2018