! Started logfile: /vlbi/bp222/maps//J1557-0001_S_dfm.log on Mon Jan 14 17:02:41 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//J1557-0001_S_uva.fits ! Reading UV FITS file: /vlbi/bp222/maps//J1557-0001_S_uva.fits ! AN table 1: 16 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.881944 visibilities/baseline/integration-bin. ! Found source: J1557-0001 ! ! 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 49 lines of history. ! ! Reading 2032 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 J1557-0001_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 15 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 15 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 15 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.121893Jy sigma=12.824277 ! Fit after self-cal, rms=0.519827Jy sigma=6.206753 ! 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=2.419 mas, bmaj=7.345 mas, bpa=-3.924 degrees ! Estimated noise=1.7702 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 = 0.36334 Jy ! Component: 100 - total flux cleaned = 0.444951 Jy ! Total flux subtracted in 100 components = 0.444951 Jy ! Clean residual min=-0.016959 max=0.029570 Jy/beam ! Clean residual mean=-0.000011 rms=0.005976 Jy/beam ! Combined flux in latest and established models = 0.444951 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.444951 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.109797Jy sigma=1.061659 ! Fit after self-cal, rms=0.109715Jy sigma=1.061260 ! 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=2.812 mas, bmaj=7.875 mas, bpa=-3.719 degrees ! Estimated noise=1.59906 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 = 0.045448 Jy ! Component: 100 - total flux cleaned = 0.0686434 Jy ! Component: 150 - total flux cleaned = 0.0830146 Jy ! Component: 200 - total flux cleaned = 0.0921846 Jy ! Total flux subtracted in 200 components = 0.0921846 Jy ! Clean residual min=-0.017788 max=0.023384 Jy/beam ! Clean residual mean=0.000051 rms=0.004648 Jy/beam ! Combined flux in latest and established models = 0.537136 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 22 components and 0.537136 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.086402Jy sigma=0.811466 ! Fit after self-cal, rms=0.086245Jy sigma=0.809737 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.812 x 7.875 at -3.719 degrees (North through East) ! Clean map min=-0.01755 max=0.47739 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.04 HN 1.05 KP 0.95 ! LA 0.91 MK 0.96 NL 1.12 PT 0.98 ! SC 0.98 ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.72 FD 1.03 HN 1.05 KP 0.95 ! LA 0.93 MK 0.97 NL 1.14 PT 0.99 ! SC 1.08 ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.03 HN 1.00 KP 0.96 ! LA 0.92 MK 0.98 NL 1.09 PT 0.99 ! SC 1.01 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.13 HN 1.05 KP 1.00* ! LA 0.86 MK 1.00* NL 1.00* PT 0.98 ! SC 1.00* ! ! ! Fit before self-cal, rms=0.086245Jy sigma=0.809737 ! Fit after self-cal, rms=0.058643Jy sigma=0.620661 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.845 mas, bmaj=7.894 mas, bpa=-3.791 degrees ! Estimated noise=1.58798 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 (20.5, 8.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00931625 Jy ! Component: 100 - total flux cleaned = 0.0125245 Jy ! Component: 150 - total flux cleaned = 0.0133029 Jy ! Component: 200 - total flux cleaned = 0.0136435 Jy ! Total flux subtracted in 200 components = 0.0136435 Jy ! Clean residual min=-0.006066 max=0.006425 Jy/beam ! Clean residual mean=0.000008 rms=0.001459 Jy/beam ! Combined flux in latest and established models = 0.550779 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 41 components and 0.550779 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.056935Jy sigma=0.603375 ! Fit after self-cal, rms=0.056821Jy sigma=0.602373 ! 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=0.056821Jy sigma=0.602373 ! Fit after self-cal, rms=0.056566Jy sigma=0.601574 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.846 mas, bmaj=7.894 mas, bpa=-3.789 degrees ! Estimated noise=1.58282 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00192465 Jy ! Component: 100 - total flux cleaned = 0.00252817 Jy ! Component: 150 - total flux cleaned = 0.00278838 Jy ! Component: 200 - total flux cleaned = 0.00302836 Jy ! Total flux subtracted in 200 components = 0.00302836 Jy ! Clean residual min=-0.005826 max=0.006202 Jy/beam ! Clean residual mean=0.000008 rms=0.001309 Jy/beam ! Combined flux in latest and established models = 0.553808 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 55 components and 0.553808 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.056204Jy sigma=0.598484 ! Fit after self-cal, rms=0.056198Jy sigma=0.598309 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 (-42, -89.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00431577 Jy ! Component: 100 - total flux cleaned = 0.00582469 Jy ! Component: 150 - total flux cleaned = 0.00730522 Jy ! Component: 200 - total flux cleaned = 0.00849831 Jy ! Total flux subtracted in 200 components = 0.00849831 Jy ! Clean residual min=-0.004647 max=0.004291 Jy/beam ! Clean residual mean=0.000006 rms=0.001089 Jy/beam ! Combined flux in latest and established models = 0.562306 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 80 components and 0.562306 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055585Jy sigma=0.592374 ! Fit after self-cal, rms=0.055561Jy sigma=0.592040 ! 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=0.055561Jy sigma=0.592040 ! Fit after self-cal, rms=0.055541Jy sigma=0.591682 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.849 mas, bmaj=7.9 mas, bpa=-3.825 degrees ! Estimated noise=1.58235 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00157291 Jy ! Component: 100 - total flux cleaned = 0.00221093 Jy ! Component: 150 - total flux cleaned = 0.00266266 Jy ! Component: 200 - total flux cleaned = 0.00290344 Jy ! Total flux subtracted in 200 components = 0.00290344 Jy ! Clean residual min=-0.004393 max=0.004058 Jy/beam ! Clean residual mean=0.000006 rms=0.000992 Jy/beam ! Combined flux in latest and established models = 0.565209 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 90 components and 0.565209 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055355Jy sigma=0.590158 ! Fit after self-cal, rms=0.055350Jy sigma=0.590091 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 = 0.000738944 Jy ! Component: 100 - total flux cleaned = 0.0010169 Jy ! Component: 150 - total flux cleaned = 0.00127775 Jy ! Component: 200 - total flux cleaned = 0.00152235 Jy ! Total flux subtracted in 200 components = 0.00152235 Jy ! Clean residual min=-0.004201 max=0.003875 Jy/beam ! Clean residual mean=0.000005 rms=0.000955 Jy/beam ! Combined flux in latest and established models = 0.566732 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 96 components and 0.566732 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055239Jy sigma=0.589207 ! Fit after self-cal, rms=0.055236Jy sigma=0.589168 ! 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=0.055236Jy sigma=0.589168 ! Fit after self-cal, rms=0.055257Jy sigma=0.589027 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=7.136 mas, bmaj=12.35 mas, bpa=-7.015 degrees ! Estimated noise=2.13311 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000387445 Jy ! Component: 100 - total flux cleaned = 7.20965e-05 Jy ! Component: 150 - total flux cleaned = -0.000210099 Jy ! Component: 200 - total flux cleaned = -0.000462043 Jy ! Total flux subtracted in 200 components = -0.000462043 Jy ! Clean residual min=-0.003873 max=0.003183 Jy/beam ! Clean residual mean=0.000014 rms=0.001053 Jy/beam ! Combined flux in latest and established models = 0.56627 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 112 components and 0.56627 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055230Jy sigma=0.589187 ! Fit after self-cal, rms=0.055216Jy sigma=0.588962 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 = -0.000228195 Jy ! Component: 100 - total flux cleaned = -0.000432399 Jy ! Component: 150 - total flux cleaned = -0.000704089 Jy ! Component: 200 - total flux cleaned = -0.000744729 Jy ! Total flux subtracted in 200 components = -0.000744729 Jy ! Clean residual min=-0.003725 max=0.002821 Jy/beam ! Clean residual mean=0.000014 rms=0.000982 Jy/beam ! Combined flux in latest and established models = 0.565525 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 123 components and 0.565525 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055225Jy sigma=0.589441 ! Fit after self-cal, rms=0.055217Jy sigma=0.589312 ! 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=2.851 mas, bmaj=7.904 mas, bpa=-3.848 degrees ! Estimated noise=1.58267 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.851 x 7.904 at -3.848 degrees (North through East) ! Clean map min=-0.0040064 max=0.47512 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=2.424 mas, bmaj=7.355 mas, bpa=-4.007 degrees ! Estimated noise=1.77037 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.361886 Jy ! Component: 100 - total flux cleaned = 0.443145 Jy ! Component: 150 - total flux cleaned = 0.475196 Jy ! Component: 200 - total flux cleaned = 0.49271 Jy ! Total flux subtracted in 200 components = 0.49271 Jy ! Clean residual min=-0.008264 max=0.015644 Jy/beam ! Clean residual mean=-0.000004 rms=0.002706 Jy/beam ! Combined flux in latest and established models = 0.49271 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 14 model components to the UV plane model. ! The established model now contains 14 components and 0.49271 Jy ! Inverting map and beam ! Estimated beam: bmin=2.851 mas, bmaj=7.904 mas, bpa=-3.848 degrees ! Estimated noise=1.58267 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 (4, -0.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0188365 Jy ! Component: 100 - total flux cleaned = 0.0291444 Jy ! Component: 150 - total flux cleaned = 0.0363598 Jy ! Component: 200 - total flux cleaned = 0.0419266 Jy ! Total flux subtracted in 200 components = 0.0419266 Jy ! Clean residual min=-0.005381 max=0.005157 Jy/beam ! Clean residual mean=0.000018 rms=0.001471 Jy/beam ! Combined flux in latest and established models = 0.534636 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 46 components and 0.534636 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=7.136 mas, bmaj=12.35 mas, bpa=-7.015 degrees ! Estimated noise=2.13311 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0073418 Jy ! Component: 100 - total flux cleaned = 0.012274 Jy ! Component: 150 - total flux cleaned = 0.0159843 Jy ! Component: 200 - total flux cleaned = 0.0183393 Jy ! Total flux subtracted in 200 components = 0.0183393 Jy ! Clean residual min=-0.004426 max=0.003542 Jy/beam ! Clean residual mean=0.000021 rms=0.001280 Jy/beam ! Combined flux in latest and established models = 0.552976 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 = 0.00173044 Jy ! Component: 100 - total flux cleaned = 0.00326828 Jy ! Component: 150 - total flux cleaned = 0.00423476 Jy ! Component: 200 - total flux cleaned = 0.00477689 Jy ! Total flux subtracted in 200 components = 0.00477689 Jy ! Clean residual min=-0.003376 max=0.002879 Jy/beam ! Clean residual mean=0.000013 rms=0.001014 Jy/beam ! Combined flux in latest and established models = 0.557753 Jy ! Adding 84 model components to the UV plane model. ! The established model now contains 121 components and 0.557752 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.851 mas, bmaj=7.904 mas, bpa=-3.848 degrees ! Estimated noise=1.58267 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00209427 Jy ! Component: 100 - total flux cleaned = 0.00318136 Jy ! Component: 150 - total flux cleaned = 0.00388459 Jy ! Component: 200 - total flux cleaned = 0.00395254 Jy ! Total flux subtracted in 200 components = 0.00395254 Jy ! Clean residual min=-0.003403 max=0.003382 Jy/beam ! Clean residual mean=0.000004 rms=0.000914 Jy/beam ! Combined flux in latest and established models = 0.561705 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 141 components and 0.561705 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055310Jy sigma=0.589899 ! Fit after self-cal, rms=0.055212Jy sigma=0.588897 wmodel J1557-0001_S_map.mod ! Writing 141 model components to file: J1557-0001_S_map.mod wobs J1557-0001_S_uvs.fits ! Writing UV FITS file: J1557-0001_S_uvs.fits wwins J1557-0001_S_map.win ! wwins: Wrote 4 windows to J1557-0001_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 = -0.000511518 Jy ! Component: 100 - total flux cleaned = -0.000401568 Jy ! Component: 150 - total flux cleaned = -8.47101e-05 Jy ! Component: 200 - total flux cleaned = 1.70513e-05 Jy ! Component: 250 - total flux cleaned = 1.52826e-05 Jy ! Component: 300 - total flux cleaned = -0.000170449 Jy ! Component: 350 - total flux cleaned = -0.000304753 Jy ! Component: 400 - total flux cleaned = -0.00043438 Jy ! Component: 450 - total flux cleaned = -0.00051728 Jy ! Component: 500 - total flux cleaned = -0.000517778 Jy ! Component: 550 - total flux cleaned = -0.000557234 Jy ! Component: 600 - total flux cleaned = -0.000707403 Jy ! Component: 650 - total flux cleaned = -0.000670118 Jy ! Component: 700 - total flux cleaned = -0.000633082 Jy ! Component: 750 - total flux cleaned = -0.000494948 Jy ! Component: 800 - total flux cleaned = -0.000461801 Jy ! Component: 850 - total flux cleaned = -0.000363239 Jy ! Component: 900 - total flux cleaned = -0.000426765 Jy ! Component: 950 - total flux cleaned = -0.000332296 Jy ! Component: 1000 - total flux cleaned = -0.000393316 Jy ! Component: 1050 - total flux cleaned = -0.000392611 Jy ! Component: 1100 - total flux cleaned = -0.000421808 Jy ! Component: 1150 - total flux cleaned = -0.000421496 Jy ! Component: 1200 - total flux cleaned = -0.000393208 Jy ! Component: 1250 - total flux cleaned = -0.000337704 Jy ! Component: 1300 - total flux cleaned = -0.00022916 Jy ! Component: 1350 - total flux cleaned = -0.000175911 Jy ! Component: 1400 - total flux cleaned = -7.13265e-05 Jy ! Component: 1450 - total flux cleaned = 6.04749e-06 Jy ! Component: 1500 - total flux cleaned = 0.000182321 Jy ! Component: 1550 - total flux cleaned = 0.000206917 Jy ! Component: 1600 - total flux cleaned = 0.000352845 Jy ! Component: 1650 - total flux cleaned = 0.000400296 Jy ! Component: 1700 - total flux cleaned = 0.00047089 Jy ! Component: 1750 - total flux cleaned = 0.000564082 Jy ! Component: 1800 - total flux cleaned = 0.000700681 Jy ! Component: 1850 - total flux cleaned = 0.00085848 Jy ! Component: 1900 - total flux cleaned = 0.000969742 Jy ! Component: 1950 - total flux cleaned = 0.00112318 Jy ! Component: 2000 - total flux cleaned = 0.00125283 Jy ! Component: 2050 - total flux cleaned = 0.00131731 Jy ! Component: 2100 - total flux cleaned = 0.00152818 Jy ! Component: 2150 - total flux cleaned = 0.00163228 Jy ! Component: 2200 - total flux cleaned = 0.00177667 Jy ! Component: 2250 - total flux cleaned = 0.00187867 Jy ! Component: 2300 - total flux cleaned = 0.00201954 Jy ! Component: 2350 - total flux cleaned = 0.0021391 Jy ! Component: 2400 - total flux cleaned = 0.00225742 Jy ! Component: 2450 - total flux cleaned = 0.0023746 Jy ! Component: 2500 - total flux cleaned = 0.00252963 Jy ! Component: 2550 - total flux cleaned = 0.00262532 Jy ! Component: 2600 - total flux cleaned = 0.0027203 Jy ! Component: 2650 - total flux cleaned = 0.0027955 Jy ! Component: 2700 - total flux cleaned = 0.00279562 Jy ! Component: 2750 - total flux cleaned = 0.00286989 Jy ! Component: 2800 - total flux cleaned = 0.00290689 Jy ! Component: 2850 - total flux cleaned = 0.00294343 Jy ! Component: 2900 - total flux cleaned = 0.00299801 Jy ! Component: 2950 - total flux cleaned = 0.00301622 Jy ! Component: 3000 - total flux cleaned = 0.00305216 Jy ! Component: 3050 - total flux cleaned = 0.00308785 Jy ! Component: 3100 - total flux cleaned = 0.00317647 Jy ! Component: 3150 - total flux cleaned = 0.00321179 Jy ! Component: 3200 - total flux cleaned = 0.00326437 Jy ! Component: 3250 - total flux cleaned = 0.00335148 Jy ! Component: 3300 - total flux cleaned = 0.00340357 Jy ! Component: 3350 - total flux cleaned = 0.00350692 Jy ! Component: 3400 - total flux cleaned = 0.00352409 Jy ! Component: 3450 - total flux cleaned = 0.00362651 Jy ! Component: 3500 - total flux cleaned = 0.00371148 Jy ! Component: 3550 - total flux cleaned = 0.0037623 Jy ! Component: 3600 - total flux cleaned = 0.00382977 Jy ! Component: 3650 - total flux cleaned = 0.00384652 Jy ! Component: 3700 - total flux cleaned = 0.0038801 Jy ! Component: 3750 - total flux cleaned = 0.00394712 Jy ! Component: 3800 - total flux cleaned = 0.00399723 Jy ! Component: 3850 - total flux cleaned = 0.00398052 Jy ! Component: 3900 - total flux cleaned = 0.00401373 Jy ! Component: 3950 - total flux cleaned = 0.00404692 Jy ! Component: 4000 - total flux cleaned = 0.00408009 Jy ! Component: 4050 - total flux cleaned = 0.00412984 Jy ! Total flux subtracted in 4096 components = 0.00414634 Jy ! Clean residual min=-0.000927 max=0.001018 Jy/beam ! Clean residual mean=0.000004 rms=0.000272 Jy/beam ! Combined flux in latest and established models = 0.565851 Jy keep ! Adding 245 model components to the UV plane model. ! The established model now contains 386 components and 0.565851 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J1557-0001_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.851 x 7.904 at -3.848 degrees (North through East) ! Clean map min=-0.0019795 max=0.47416 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J1557-0001_S_map.fits wmodel /vlbi/bp222/maps//J1557-0001_S_map.mod ! Writing 386 model components to file: /vlbi/bp222/maps//J1557-0001_S_map.mod wobs /vlbi/bp222/maps//J1557-0001_S_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J1557-0001_S_uvs.fits wwins /vlbi/bp222/maps//J1557-0001_S_map.win ! wwins: Wrote 5 windows to /vlbi/bp222/maps//J1557-0001_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.474163 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000265907 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.168237 0.168237 0.336475 0.67295 1.3459 2.6918 5.3836 10.7672 21.5344 43.0688 86.1376 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0007 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.474 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1783.19 quit ! Quitting program ! Log file /vlbi/bp222/maps//J1557-0001_S_dfm.log closed on Mon Jan 14 17:02:45 2019