! Started logfile: /vlbi/bp222/maps//J1753+2848_S_dfm.log on Mon Jan 14 17:10:07 2019 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 /vlbi/bp222/maps//J1753+2848_S_uvm.fits ! Reading UV FITS file: /vlbi/bp222/maps//J1753+2848_S_uvm.fits ! AN table 1: 48 integrations on 28 of 28 possible baselines. ! AN table 2: 30 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.884488 visibilities/baseline/integration-bin. ! Found source: J1753+2848 ! ! There are 4 IFs, and a total of 4 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 ! 04 4 2.348e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 54 lines of history. ! ! Reading 8576 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 4 channels. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 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 J1753+2848_S] 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 52 telescope corrections were flagged in sub-array 1. ! A total of 12 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 52 telescope corrections were flagged in sub-array 1. ! A total of 12 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 52 telescope corrections were flagged in sub-array 1. ! A total of 12 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 384 telescope corrections were flagged in sub-array 1. ! A total of 157 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.318519Jy sigma=21.114952 ! Fit after self-cal, rms=0.208019Jy sigma=3.326810 ! 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=2.925 mas, bmaj=6.285 mas, bpa=-6.782 degrees ! Estimated noise=0.820504 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 = 0.671871 Jy ! Component: 100 - total flux cleaned = 0.830458 Jy ! Total flux subtracted in 100 components = 0.830458 Jy ! Clean residual min=-0.029356 max=0.060796 Jy/beam ! Clean residual mean=-0.000031 rms=0.007667 Jy/beam ! Combined flux in latest and established models = 0.830458 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.830458 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.191957Jy sigma=2.677459 ! Fit after self-cal, rms=0.191952Jy sigma=2.677373 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0623064 Jy ! Component: 100 - total flux cleaned = 0.0927743 Jy ! Total flux subtracted in 100 components = 0.0927743 Jy ! Clean residual min=-0.024501 max=0.026538 Jy/beam ! Clean residual mean=-0.000026 rms=0.006356 Jy/beam ! Combined flux in latest and established models = 0.923233 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 20 components and 0.923233 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.165018Jy sigma=2.338805 ! Fit after self-cal, rms=0.165014Jy sigma=2.338686 ! 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=3.498 mas, bmaj=7.144 mas, bpa=-6.528 degrees ! Estimated noise=0.577512 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 = 0.0184892 Jy ! Component: 100 - total flux cleaned = 0.02042 Jy ! Component: 150 - total flux cleaned = 0.0215961 Jy ! Component: 200 - total flux cleaned = 0.0228826 Jy ! Total flux subtracted in 200 components = 0.0228826 Jy ! Clean residual min=-0.027486 max=0.025434 Jy/beam ! Clean residual mean=-0.000033 rms=0.006690 Jy/beam ! Combined flux in latest and established models = 0.946115 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 38 components and 0.946115 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.161268Jy sigma=2.309785 ! Fit after self-cal, rms=0.161262Jy sigma=2.309706 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.498 x 7.144 at -6.528 degrees (North through East) ! Clean map min=-0.026987 max=0.88053 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.04 HN 1.02 LA 0.99 ! MK 0.96 NL 0.97 OV 1.04 PT 1.10 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.99 HN 0.98 KP 0.93 ! LA 0.89 MK 1.02 NL 1.03 PT 0.95 ! SC 1.04 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.77 FD 1.02 HN 1.00 LA 1.00 ! MK 0.94 NL 1.13 OV 1.04 PT 1.09 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 0.99 HN 1.02 KP 0.93 ! LA 0.89 MK 1.03 NL 0.80 PT 0.97 ! SC 1.10 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.03 HN 0.95 LA 0.99 ! MK 0.99 NL 1.37 OV 1.04 PT 1.08 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.04 FD 1.00 HN 0.99 KP 0.94 ! LA 0.91 MK 1.05 NL 0.98 PT 0.98 ! SC 1.05 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* HN 0.00* LA 0.00* ! MK 0.00* NL 0.00* OV 0.00* PT 0.00* ! ! A total of 9 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.04 HN 1.00 KP 1.00* ! LA 0.88 MK 1.00* NL 1.00* PT 0.98 ! SC 1.00* ! ! ! Fit before self-cal, rms=0.161262Jy sigma=2.309706 ! Fit after self-cal, rms=0.107917Jy sigma=1.469173 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.509 mas, bmaj=7.19 mas, bpa=-6.76 degrees ! Estimated noise=0.577522 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 = -0.00110796 Jy ! Component: 100 - total flux cleaned = -0.00129373 Jy ! Component: 150 - total flux cleaned = -0.00130443 Jy ! Component: 200 - total flux cleaned = -0.00152753 Jy ! Total flux subtracted in 200 components = -0.00152753 Jy ! Clean residual min=-0.014697 max=0.013469 Jy/beam ! Clean residual mean=0.000009 rms=0.003395 Jy/beam ! Combined flux in latest and established models = 0.944588 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 47 components and 0.944588 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.107381Jy sigma=1.462308 ! Fit after self-cal, rms=0.107366Jy sigma=1.461853 ! 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. ! ! Fit before self-cal, rms=0.107366Jy sigma=1.461853 ! Fit after self-cal, rms=0.108892Jy sigma=1.419893 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.505 mas, bmaj=7.191 mas, bpa=-6.69 degrees ! Estimated noise=0.581266 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00620925 Jy ! Component: 100 - total flux cleaned = 0.00703896 Jy ! Component: 150 - total flux cleaned = 0.00704212 Jy ! Component: 200 - total flux cleaned = 0.00695633 Jy ! Total flux subtracted in 200 components = 0.00695633 Jy ! Clean residual min=-0.015167 max=0.012776 Jy/beam ! Clean residual mean=0.000002 rms=0.003227 Jy/beam ! Combined flux in latest and established models = 0.951544 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 55 components and 0.951544 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.108385Jy sigma=1.415575 ! Fit after self-cal, rms=0.108384Jy sigma=1.415506 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 = 0.000201546 Jy ! Component: 100 - total flux cleaned = 0.000200241 Jy ! Component: 150 - total flux cleaned = 0.000129847 Jy ! Component: 200 - total flux cleaned = 0.000129946 Jy ! Total flux subtracted in 200 components = 0.000129946 Jy ! Clean residual min=-0.015083 max=0.012727 Jy/beam ! Clean residual mean=0.000002 rms=0.003222 Jy/beam ! Combined flux in latest and established models = 0.951674 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 59 components and 0.951674 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.108264Jy sigma=1.414663 ! Fit after self-cal, rms=0.108260Jy sigma=1.414635 ! 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. ! ! Fit before self-cal, rms=0.108260Jy sigma=1.414635 ! Fit after self-cal, rms=0.054392Jy sigma=0.806723 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.504 mas, bmaj=7.187 mas, bpa=-6.468 degrees ! Estimated noise=0.580974 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00107285 Jy ! Component: 100 - total flux cleaned = 0.00106209 Jy ! Component: 150 - total flux cleaned = 0.000969302 Jy ! Component: 200 - total flux cleaned = 0.000907157 Jy ! Total flux subtracted in 200 components = 0.000907157 Jy ! Clean residual min=-0.003264 max=0.005599 Jy/beam ! Clean residual mean=0.000005 rms=0.000808 Jy/beam ! Combined flux in latest and established models = 0.952581 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 65 components and 0.952581 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.053938Jy sigma=0.800835 ! Fit after self-cal, rms=0.053952Jy sigma=0.800669 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 (36.5, -39). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00491633 Jy ! Component: 100 - total flux cleaned = 0.00631108 Jy ! Component: 150 - total flux cleaned = 0.00645939 Jy ! Component: 200 - total flux cleaned = 0.00658605 Jy ! Total flux subtracted in 200 components = 0.00658605 Jy ! Clean residual min=-0.002975 max=0.004215 Jy/beam ! Clean residual mean=0.000005 rms=0.000686 Jy/beam ! Combined flux in latest and established models = 0.959167 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 79 components and 0.959168 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.053461Jy sigma=0.793184 ! Fit after self-cal, rms=0.053422Jy sigma=0.792522 ! Inverting map ! Added new window around map position (4.5, -3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00400458 Jy ! Component: 100 - total flux cleaned = 0.00420854 Jy ! Component: 150 - total flux cleaned = 0.00398516 Jy ! Component: 200 - total flux cleaned = 0.00372391 Jy ! Total flux subtracted in 200 components = 0.00372391 Jy ! Clean residual min=-0.002776 max=0.002497 Jy/beam ! Clean residual mean=0.000006 rms=0.000596 Jy/beam ! Combined flux in latest and established models = 0.962891 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 99 components and 0.962891 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.053046Jy sigma=0.787071 ! Fit after self-cal, rms=0.053017Jy sigma=0.786551 ! 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. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.053017Jy sigma=0.786551 ! Fit after self-cal, rms=0.052780Jy sigma=0.783863 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.48 mas, bmaj=10.48 mas, bpa=-4.05 degrees ! Estimated noise=0.711669 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00154229 Jy ! Component: 100 - total flux cleaned = 0.00169524 Jy ! Component: 150 - total flux cleaned = 0.00174204 Jy ! Component: 200 - total flux cleaned = 0.00181443 Jy ! Total flux subtracted in 200 components = 0.00181443 Jy ! Clean residual min=-0.002259 max=0.002520 Jy/beam ! Clean residual mean=0.000007 rms=0.000574 Jy/beam ! Combined flux in latest and established models = 0.964706 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 124 components and 0.964706 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.052681Jy sigma=0.782422 ! Fit after self-cal, rms=0.052666Jy sigma=0.782195 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 = 0.000156232 Jy ! Component: 100 - total flux cleaned = 0.000124231 Jy ! Component: 150 - total flux cleaned = 0.000124291 Jy ! Component: 200 - total flux cleaned = 0.000148834 Jy ! Total flux subtracted in 200 components = 0.000148834 Jy ! Clean residual min=-0.002321 max=0.002292 Jy/beam ! Clean residual mean=0.000008 rms=0.000559 Jy/beam ! Combined flux in latest and established models = 0.964855 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 142 components and 0.964855 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.052625Jy sigma=0.781725 ! Fit after self-cal, rms=0.052620Jy sigma=0.781657 ! 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=3.502 mas, bmaj=7.184 mas, bpa=-6.373 degrees ! Estimated noise=0.58119 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.502 x 7.184 at -6.373 degrees (North through East) ! Clean map min=-0.0022249 max=0.88449 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. ! ! Fit before self-cal, rms=0.052620Jy sigma=0.781657 ! Fit after self-cal, rms=0.047371Jy sigma=0.682119 ! Inverting map and beam ! Estimated beam: bmin=3.502 mas, bmaj=7.183 mas, bpa=-6.364 degrees ! Estimated noise=0.581342 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000753606 Jy ! Component: 100 - total flux cleaned = 0.00103979 Jy ! Component: 150 - total flux cleaned = 0.0012294 Jy ! Component: 200 - total flux cleaned = 0.0013917 Jy ! Total flux subtracted in 200 components = 0.0013917 Jy ! Clean residual min=-0.002127 max=0.002449 Jy/beam ! Clean residual mean=0.000003 rms=0.000493 Jy/beam ! Combined flux in latest and established models = 0.966246 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 155 components and 0.966246 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.047234Jy sigma=0.680470 ! Fit after self-cal, rms=0.047222Jy sigma=0.680403 ! Inverting map ! Added new window around map position (3, 62.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00207063 Jy ! Component: 100 - total flux cleaned = 0.00304232 Jy ! Component: 150 - total flux cleaned = 0.00339789 Jy ! Component: 200 - total flux cleaned = 0.00364995 Jy ! Total flux subtracted in 200 components = 0.00364995 Jy ! Clean residual min=-0.002061 max=0.002025 Jy/beam ! Clean residual mean=0.000004 rms=0.000458 Jy/beam ! Combined flux in latest and established models = 0.969896 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 171 components and 0.969896 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.047110Jy sigma=0.678548 ! Fit after self-cal, rms=0.047104Jy sigma=0.678495 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.047104Jy sigma=0.678495 ! Fit after self-cal, rms=0.047064Jy sigma=0.678113 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=2.938 mas, bmaj=6.336 mas, bpa=-6.604 degrees ! Estimated noise=0.828443 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.678364 Jy ! Component: 100 - total flux cleaned = 0.836116 Jy ! Component: 150 - total flux cleaned = 0.897362 Jy ! Component: 200 - total flux cleaned = 0.92594 Jy ! Total flux subtracted in 200 components = 0.92594 Jy ! Clean residual min=-0.006343 max=0.013618 Jy/beam ! Clean residual mean=-0.000004 rms=0.001593 Jy/beam ! Combined flux in latest and established models = 0.92594 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 0.92594 Jy ! Inverting map and beam ! Estimated beam: bmin=3.501 mas, bmaj=7.182 mas, bpa=-6.317 degrees ! Estimated noise=0.581446 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 = 0.0180431 Jy ! Component: 100 - total flux cleaned = 0.0281096 Jy ! Component: 150 - total flux cleaned = 0.0346937 Jy ! Component: 200 - total flux cleaned = 0.0386742 Jy ! Total flux subtracted in 200 components = 0.0386742 Jy ! Clean residual min=-0.003156 max=0.004126 Jy/beam ! Clean residual mean=0.000001 rms=0.000665 Jy/beam ! Combined flux in latest and established models = 0.964614 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 42 components and 0.964614 Jy ! Inverting map ! Added new window around map position (22, 11.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00299605 Jy ! Component: 100 - total flux cleaned = 0.00476945 Jy ! Component: 150 - total flux cleaned = 0.00559632 Jy ! Component: 200 - total flux cleaned = 0.00587867 Jy ! Total flux subtracted in 200 components = 0.00587867 Jy ! Clean residual min=-0.002696 max=0.002287 Jy/beam ! Clean residual mean=0.000002 rms=0.000534 Jy/beam ! Combined flux in latest and established models = 0.970493 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 65 components and 0.970493 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=7.476 mas, bmaj=10.48 mas, bpa=-3.954 degrees ! Estimated noise=0.712374 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00134465 Jy ! Component: 100 - total flux cleaned = 0.0018514 Jy ! Component: 150 - total flux cleaned = 0.00195535 Jy ! Component: 200 - total flux cleaned = 0.00217706 Jy ! Total flux subtracted in 200 components = 0.00217706 Jy ! Clean residual min=-0.001992 max=0.001688 Jy/beam ! Clean residual mean=0.000007 rms=0.000443 Jy/beam ! Combined flux in latest and established models = 0.97267 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 = 3.89479e-05 Jy ! Component: 100 - total flux cleaned = 3.86465e-05 Jy ! Component: 150 - total flux cleaned = 3.86334e-05 Jy ! Component: 200 - total flux cleaned = 1.01083e-05 Jy ! Total flux subtracted in 200 components = 1.01083e-05 Jy ! Clean residual min=-0.001928 max=0.001567 Jy/beam ! Clean residual mean=0.000007 rms=0.000418 Jy/beam ! Combined flux in latest and established models = 0.97268 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 105 components and 0.97268 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.501 mas, bmaj=7.182 mas, bpa=-6.317 degrees ! Estimated noise=0.581446 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000347424 Jy ! Component: 100 - total flux cleaned = 0.000208453 Jy ! Component: 150 - total flux cleaned = 1.34802e-05 Jy ! Component: 200 - total flux cleaned = -0.000108275 Jy ! Total flux subtracted in 200 components = -0.000108275 Jy ! Clean residual min=-0.002317 max=0.001979 Jy/beam ! Clean residual mean=0.000004 rms=0.000446 Jy/beam ! Combined flux in latest and established models = 0.972572 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 123 components and 0.972572 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.047176Jy sigma=0.679355 ! Fit after self-cal, rms=0.047157Jy sigma=0.678925 wmodel J1753+2848_S_map.mod ! Writing 123 model components to file: J1753+2848_S_map.mod wobs J1753+2848_S_uvs.fits ! Writing UV FITS file: J1753+2848_S_uvs.fits wwins J1753+2848_S_map.win ! wwins: Wrote 5 windows to J1753+2848_S_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 = -0.000703326 Jy ! Component: 100 - total flux cleaned = -0.000737744 Jy ! Component: 150 - total flux cleaned = -0.000641829 Jy ! Component: 200 - total flux cleaned = -0.000400132 Jy ! Component: 250 - total flux cleaned = -0.00028362 Jy ! Component: 300 - total flux cleaned = -0.000255191 Jy ! Component: 350 - total flux cleaned = -0.000145847 Jy ! Component: 400 - total flux cleaned = -4.01548e-05 Jy ! Component: 450 - total flux cleaned = 1.0985e-05 Jy ! Component: 500 - total flux cleaned = 0.000137233 Jy ! Component: 550 - total flux cleaned = 0.000235705 Jy ! Component: 600 - total flux cleaned = 0.000356366 Jy ! Component: 650 - total flux cleaned = 0.000450314 Jy ! Component: 700 - total flux cleaned = 0.000357183 Jy ! Component: 750 - total flux cleaned = 0.00033489 Jy ! Component: 800 - total flux cleaned = 0.000380315 Jy ! Component: 850 - total flux cleaned = 0.00044614 Jy ! Component: 900 - total flux cleaned = 0.000424431 Jy ! Component: 950 - total flux cleaned = 0.000531556 Jy ! Component: 1000 - total flux cleaned = 0.000531484 Jy ! Component: 1050 - total flux cleaned = 0.000594285 Jy ! Component: 1100 - total flux cleaned = 0.000656032 Jy ! Component: 1150 - total flux cleaned = 0.000736918 Jy ! Component: 1200 - total flux cleaned = 0.000716747 Jy ! Component: 1250 - total flux cleaned = 0.000776218 Jy ! Component: 1300 - total flux cleaned = 0.000873931 Jy ! Component: 1350 - total flux cleaned = 0.000951144 Jy ! Component: 1400 - total flux cleaned = 0.00100792 Jy ! Component: 1450 - total flux cleaned = 0.00104578 Jy ! Component: 1500 - total flux cleaned = 0.00113905 Jy ! Component: 1550 - total flux cleaned = 0.00119423 Jy ! Component: 1600 - total flux cleaned = 0.00124857 Jy ! Component: 1650 - total flux cleaned = 0.00137447 Jy ! Component: 1700 - total flux cleaned = 0.00142776 Jy ! Component: 1750 - total flux cleaned = 0.00151587 Jy ! Component: 1800 - total flux cleaned = 0.00156802 Jy ! Component: 1850 - total flux cleaned = 0.00168857 Jy ! Component: 1900 - total flux cleaned = 0.0016886 Jy ! Component: 1950 - total flux cleaned = 0.0017059 Jy ! Component: 2000 - total flux cleaned = 0.00178981 Jy ! Component: 2050 - total flux cleaned = 0.00180637 Jy ! Component: 2100 - total flux cleaned = 0.00185581 Jy ! Component: 2150 - total flux cleaned = 0.00192122 Jy ! Component: 2200 - total flux cleaned = 0.00196957 Jy ! Component: 2250 - total flux cleaned = 0.00201742 Jy ! Component: 2300 - total flux cleaned = 0.00201754 Jy ! Component: 2350 - total flux cleaned = 0.00204925 Jy ! Component: 2400 - total flux cleaned = 0.00204918 Jy ! Component: 2450 - total flux cleaned = 0.00214184 Jy ! Component: 2500 - total flux cleaned = 0.00214193 Jy ! Component: 2550 - total flux cleaned = 0.00217217 Jy ! Component: 2600 - total flux cleaned = 0.00223265 Jy ! Component: 2650 - total flux cleaned = 0.00227753 Jy ! Component: 2700 - total flux cleaned = 0.00235169 Jy ! Component: 2750 - total flux cleaned = 0.0024106 Jy ! Component: 2800 - total flux cleaned = 0.002469 Jy ! Component: 2850 - total flux cleaned = 0.00249791 Jy ! Component: 2900 - total flux cleaned = 0.00251237 Jy ! Component: 2950 - total flux cleaned = 0.00252665 Jy ! Component: 3000 - total flux cleaned = 0.00259757 Jy ! Component: 3050 - total flux cleaned = 0.0025835 Jy ! Component: 3100 - total flux cleaned = 0.00262536 Jy ! Component: 3150 - total flux cleaned = 0.00269484 Jy ! Component: 3200 - total flux cleaned = 0.00276381 Jy ! Component: 3250 - total flux cleaned = 0.00277747 Jy ! Component: 3300 - total flux cleaned = 0.00285912 Jy ! Component: 3350 - total flux cleaned = 0.00288616 Jy ! Component: 3400 - total flux cleaned = 0.00296682 Jy ! Component: 3450 - total flux cleaned = 0.00304681 Jy ! Component: 3500 - total flux cleaned = 0.00308659 Jy ! Component: 3550 - total flux cleaned = 0.00309964 Jy ! Component: 3600 - total flux cleaned = 0.00319145 Jy ! Component: 3650 - total flux cleaned = 0.00328252 Jy ! Component: 3700 - total flux cleaned = 0.00329537 Jy ! Component: 3750 - total flux cleaned = 0.00333386 Jy ! Component: 3800 - total flux cleaned = 0.003372 Jy ! Component: 3850 - total flux cleaned = 0.00334674 Jy ! Component: 3900 - total flux cleaned = 0.00342261 Jy ! Component: 3950 - total flux cleaned = 0.00342261 Jy ! Component: 4000 - total flux cleaned = 0.00347248 Jy ! Component: 4050 - total flux cleaned = 0.00347247 Jy ! Total flux subtracted in 4096 components = 0.00349718 Jy ! Clean residual min=-0.000683 max=0.000724 Jy/beam ! Clean residual mean=0.000002 rms=0.000222 Jy/beam ! Combined flux in latest and established models = 0.976069 Jy keep ! Adding 282 model components to the UV plane model. ! The established model now contains 404 components and 0.976069 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J1753+2848_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.501 x 7.182 at -6.317 degrees (North through East) ! Clean map min=-0.0013988 max=0.88381 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J1753+2848_S_map.fits wmodel /vlbi/bp222/maps//J1753+2848_S_map.mod ! Writing 404 model components to file: /vlbi/bp222/maps//J1753+2848_S_map.mod wobs /vlbi/bp222/maps//J1753+2848_S_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J1753+2848_S_uvs.fits wwins /vlbi/bp222/maps//J1753+2848_S_map.win ! wwins: Wrote 6 windows to /vlbi/bp222/maps//J1753+2848_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.88381 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000220711 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.074918 0.074918 0.149836 0.299672 0.599344 1.19869 2.39738 4.79475 9.58951 19.179 38.358 76.7161 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0006 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.883 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 4004.38 quit ! Quitting program ! Log file /vlbi/bp222/maps//J1753+2848_S_dfm.log closed on Mon Jan 14 17:10:12 2019