! Started logfile: .//J1753+275A_C_dfm.log on Mon Jan 20 18:41:15 2020 float field_size field_size = 1024 float field_cell field_cell = 0.3000 float taper_size taper_size = 40.0 float freq freq = 4.12800 obs .//J1753+275A_C_uva.fits ! Reading UV FITS file: .//J1753+275A_C_uva.fits ! AN table 1: 17 integrations on 3 of 3 possible baselines. ! AN table 2: 17 integrations on 6 of 6 possible baselines. ! AN table 3: 17 integrations on 1 of 1 possible baselines. ! Apparent sampling: 0.964706 visibilities/baseline/integration-bin. ! Found source: J1753+275A ! ! 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 4.128e+09 3.2e+07 1 3.2e+07 ! 02 2 4.16e+09 3.2e+07 1 3.2e+07 ! 03 3 4.192e+09 3.2e+07 1 3.2e+07 ! 04 4 4.224e+09 3.2e+07 1 3.2e+07 ! 05 5 4.416e+09 3.2e+07 1 3.2e+07 ! 06 6 4.512e+09 3.2e+07 1 3.2e+07 ! 07 7 4.544e+09 3.2e+07 1 3.2e+07 ! 08 8 4.576e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 94 lines of history. ! ! Reading 1312 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 = 0.3 print "taper_size =", taper_size ! taper_size = 40 ![@/opt64/bin/pima_mupet_01.dfm J1753+275A_C] 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 0.300x0.300 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 2 telescope corrections were flagged in sub-array 2. ! A total of 34 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 2 telescope corrections were flagged in sub-array 2. ! A total of 34 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 2 telescope corrections were flagged in sub-array 2. ! A total of 34 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 2 telescope corrections were flagged in sub-array 2. ! A total of 34 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 5. ! A total of 2 telescope corrections were flagged in sub-array 2. ! A total of 34 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 6. ! A total of 2 telescope corrections were flagged in sub-array 2. ! A total of 34 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 7. ! A total of 2 telescope corrections were flagged in sub-array 2. ! A total of 34 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 8. ! A total of 2 telescope corrections were flagged in sub-array 2. ! A total of 34 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=1.001942Jy sigma=25.022970 ! Fit after self-cal, rms=0.962237Jy sigma=24.622686 ! 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=2.031 mas, bmaj=13.17 mas, bpa=-23.26 degrees ! Estimated noise=1.54068 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=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0277361 Jy ! Component: 100 - total flux cleaned = 0.0327687 Jy ! Total flux subtracted in 100 components = 0.0327687 Jy ! Clean residual min=-0.002807 max=0.002847 Jy/beam ! Clean residual mean=0.000000 rms=0.000947 Jy/beam ! Combined flux in latest and established models = 0.0327687 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.0327687 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=0.027544Jy sigma=0.653418 ! Fit after self-cal, rms=0.026850Jy sigma=0.630893 ! 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=2.647 mas, bmaj=13.4 mas, bpa=-24.14 degrees ! Estimated noise=0.826312 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 = 0.00280427 Jy ! Component: 100 - total flux cleaned = 0.00258601 Jy ! Component: 150 - total flux cleaned = 0.00259094 Jy ! Component: 200 - total flux cleaned = 0.00224748 Jy ! Total flux subtracted in 200 components = 0.00224748 Jy ! Clean residual min=-0.000887 max=0.000892 Jy/beam ! Clean residual mean=0.000003 rms=0.000338 Jy/beam ! Combined flux in latest and established models = 0.0350162 Jy ! Performing phase self-cal ! Adding 57 model components to the UV plane model. ! The established model now contains 64 components and 0.0350162 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=0.025848Jy sigma=0.611386 ! Fit after self-cal, rms=0.025838Jy sigma=0.610712 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.647 x 13.4 at -24.14 degrees (North through East) ! Clean map min=-0.0020053 max=0.034776 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 51 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* MK 0.00* OV 0.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! KP 0.86 LA 1.11 NL 0.97 PT 1.08 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.00* HN 0.00* ! ! ! Correcting IF 2. ! A total of 51 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* MK 0.00* OV 0.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! KP 0.82 LA 0.90 NL 0.96 PT 0.95 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.00* HN 0.00* ! ! ! Correcting IF 3. ! A total of 51 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* MK 0.00* OV 0.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! KP 1.05 LA 0.98 NL 1.08 PT 1.11 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.00* HN 0.00* ! ! ! Correcting IF 4. ! A total of 51 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* MK 0.00* OV 0.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! KP 1.13 LA 0.99 NL 1.00 PT 0.92 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.00* HN 0.00* ! ! ! Correcting IF 5. ! A total of 51 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* MK 0.00* OV 0.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! KP 1.09 LA 0.93 NL 1.00 PT 0.97 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.00* HN 0.00* ! ! ! Correcting IF 6. ! A total of 51 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* MK 0.00* OV 0.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! KP 0.94 LA 1.01 NL 1.14 PT 1.06 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.00* HN 0.00* ! ! ! Correcting IF 7. ! A total of 51 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* MK 0.00* OV 0.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! KP 1.01 LA 0.94 NL 0.89 PT 1.14 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.00* HN 0.00* ! ! ! Correcting IF 8. ! A total of 51 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* MK 0.00* OV 0.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! KP 0.99 LA 1.11 NL 1.05 PT 1.01 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.00* HN 0.00* ! ! ! Fit before self-cal, rms=0.025838Jy sigma=0.610712 ! Fit after self-cal, rms=0.023593Jy sigma=0.649556 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.835 mas, bmaj=112.2 mas, bpa=-26.19 degrees ! Estimated noise=0.945284 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 = 0.000146043 Jy ! Component: 100 - total flux cleaned = 0.000177132 Jy ! Component: 150 - total flux cleaned = 0.000145717 Jy ! Component: 200 - total flux cleaned = 4.56466e-05 Jy ! Total flux subtracted in 200 components = 4.56466e-05 Jy ! Clean residual min=-0.000574 max=0.000574 Jy/beam ! Clean residual mean=0.000000 rms=0.000189 Jy/beam ! Combined flux in latest and established models = 0.0350618 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 101 components and 0.0350618 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=0.023550Jy sigma=0.648006 ! Fit after self-cal, rms=0.023596Jy sigma=0.647214 ! 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=0.023596Jy sigma=0.647214 ! Fit after self-cal, rms=0.023608Jy sigma=0.646996 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.838 mas, bmaj=112.5 mas, bpa=-26.19 degrees ! Estimated noise=0.942182 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -7.76201e-05 Jy ! Component: 100 - total flux cleaned = -4.07392e-05 Jy ! Component: 150 - total flux cleaned = -5.55788e-05 Jy ! Component: 200 - total flux cleaned = -0.000159046 Jy ! Total flux subtracted in 200 components = -0.000159046 Jy ! Clean residual min=-0.000292 max=0.000289 Jy/beam ! Clean residual mean=0.000001 rms=0.000127 Jy/beam ! Combined flux in latest and established models = 0.0349028 Jy selfcal ! Performing phase self-cal ! Adding 91 model components to the UV plane model. ! The established model now contains 187 components and 0.0349028 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=0.023579Jy sigma=0.646121 ! Fit after self-cal, rms=0.023584Jy sigma=0.645998 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 = -7.40068e-05 Jy ! Component: 100 - total flux cleaned = -0.000184559 Jy ! Component: 150 - total flux cleaned = -0.000200038 Jy ! Component: 200 - total flux cleaned = -0.000231698 Jy ! Total flux subtracted in 200 components = -0.000231698 Jy ! Clean residual min=-0.000271 max=0.000271 Jy/beam ! Clean residual mean=0.000001 rms=0.000117 Jy/beam ! Combined flux in latest and established models = 0.0346711 Jy ! Performing phase self-cal ! Adding 66 model components to the UV plane model. ! The established model now contains 238 components and 0.0346711 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=0.023569Jy sigma=0.645519 ! Fit after self-cal, rms=0.023566Jy sigma=0.645460 ! 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=0.023566Jy sigma=0.645460 ! Fit after self-cal, rms=0.024042Jy sigma=0.645986 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.832 mas, bmaj=112.4 mas, bpa=-26.2 degrees ! Estimated noise=0.953809 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000365785 Jy ! Component: 100 - total flux cleaned = 0.000439277 Jy ! Component: 150 - total flux cleaned = 0.000486827 Jy ! Component: 200 - total flux cleaned = 0.000412451 Jy ! Total flux subtracted in 200 components = 0.000412451 Jy ! Clean residual min=-0.000243 max=0.000242 Jy/beam ! Clean residual mean=0.000000 rms=0.000108 Jy/beam ! Combined flux in latest and established models = 0.0350835 Jy selfcal ! Performing phase self-cal ! Adding 96 model components to the UV plane model. ! The established model now contains 332 components and 0.0350835 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=0.024013Jy sigma=0.645348 ! Fit after self-cal, rms=0.024011Jy sigma=0.645253 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 = -0.000217186 Jy ! Component: 100 - total flux cleaned = -0.000217145 Jy ! Component: 150 - total flux cleaned = -0.000232238 Jy ! Component: 200 - total flux cleaned = -0.000186611 Jy ! Total flux subtracted in 200 components = -0.000186611 Jy ! Clean residual min=-0.000267 max=0.000271 Jy/beam ! Clean residual mean=0.000002 rms=0.000112 Jy/beam ! Combined flux in latest and established models = 0.0348969 Jy ! Performing phase self-cal ! Adding 58 model components to the UV plane model. ! The established model now contains 386 components and 0.0348969 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=0.024001Jy sigma=0.644959 ! Fit after self-cal, rms=0.023998Jy sigma=0.644915 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 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=0.023998Jy sigma=0.644915 ! Fit after self-cal, rms=0.024390Jy sigma=0.645241 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.341 mas, bmaj=107 mas, bpa=-26.28 degrees ! Estimated noise=0.999916 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000469604 Jy ! Component: 100 - total flux cleaned = 0.000405867 Jy ! Component: 150 - total flux cleaned = 0.000419422 Jy ! Component: 200 - total flux cleaned = 0.000379853 Jy ! Total flux subtracted in 200 components = 0.000379853 Jy ! Clean residual min=-0.000220 max=0.000220 Jy/beam ! Clean residual mean=0.000001 rms=0.000087 Jy/beam ! Combined flux in latest and established models = 0.0352768 Jy selfcal ! Performing phase self-cal ! Adding 92 model components to the UV plane model. ! The established model now contains 469 components and 0.0352767 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=0.024364Jy sigma=0.644794 ! Fit after self-cal, rms=0.024361Jy sigma=0.644715 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 = -6.89813e-05 Jy ! Component: 100 - total flux cleaned = -0.000155463 Jy ! Component: 150 - total flux cleaned = -0.000146062 Jy ! Component: 200 - total flux cleaned = -0.000155998 Jy ! Total flux subtracted in 200 components = -0.000155998 Jy ! Clean residual min=-0.000166 max=0.000165 Jy/beam ! Clean residual mean=0.000001 rms=0.000068 Jy/beam ! Combined flux in latest and established models = 0.0351208 Jy ! Performing phase self-cal ! Adding 55 model components to the UV plane model. ! The established model now contains 516 components and 0.0351208 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=0.024353Jy sigma=0.644525 ! Fit after self-cal, rms=0.024352Jy sigma=0.644510 ! 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=3.826 mas, bmaj=112.4 mas, bpa=-26.2 degrees ! Estimated noise=0.965102 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.826 x 112.4 at -26.2 degrees (North through East) ! Clean map min=-0.0014063 max=0.034936 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=3.182 mas, bmaj=129.8 mas, bpa=-26.01 degrees ! Estimated noise=1.43486 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.027816 Jy ! Component: 100 - total flux cleaned = 0.0330494 Jy ! Component: 150 - total flux cleaned = 0.0320378 Jy ! Component: 200 - total flux cleaned = 0.031421 Jy ! Total flux subtracted in 200 components = 0.031421 Jy ! Clean residual min=-0.001409 max=0.001361 Jy/beam ! Clean residual mean=-0.000000 rms=0.000606 Jy/beam ! Combined flux in latest and established models = 0.0314211 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 68 model components to the UV plane model. ! The established model now contains 68 components and 0.0314211 Jy ! Inverting map and beam ! Estimated beam: bmin=3.826 mas, bmaj=112.4 mas, bpa=-26.2 degrees ! Estimated noise=0.965102 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 = 0.00139362 Jy ! Component: 100 - total flux cleaned = 0.0013995 Jy ! Component: 150 - total flux cleaned = 0.00144182 Jy ! Component: 200 - total flux cleaned = 0.00163895 Jy ! Total flux subtracted in 200 components = 0.00163895 Jy ! Clean residual min=-0.000822 max=0.000840 Jy/beam ! Clean residual mean=0.000002 rms=0.000331 Jy/beam ! Combined flux in latest and established models = 0.03306 Jy ! Adding 99 model components to the UV plane model. ! The established model now contains 167 components and 0.03306 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.341 mas, bmaj=107 mas, bpa=-26.28 degrees ! Estimated noise=0.999916 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000853446 Jy ! Component: 100 - total flux cleaned = 0.000696807 Jy ! Component: 150 - total flux cleaned = 0.000367861 Jy ! Component: 200 - total flux cleaned = 4.14174e-05 Jy ! Total flux subtracted in 200 components = 4.14174e-05 Jy ! Clean residual min=-0.000391 max=0.000393 Jy/beam ! Clean residual mean=0.000001 rms=0.000153 Jy/beam ! Combined flux in latest and established models = 0.0331014 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 = -0.000337248 Jy ! Component: 100 - total flux cleaned = -0.000625474 Jy ! Component: 150 - total flux cleaned = -0.000944809 Jy ! Component: 200 - total flux cleaned = -0.00129919 Jy ! Total flux subtracted in 200 components = -0.00129919 Jy ! Clean residual min=-0.000569 max=0.000565 Jy/beam ! Clean residual mean=0.000001 rms=0.000190 Jy/beam ! Combined flux in latest and established models = 0.0318022 Jy ! Adding 70 model components to the UV plane model. ! The established model now contains 233 components and 0.0318022 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.826 mas, bmaj=112.4 mas, bpa=-26.2 degrees ! Estimated noise=0.965102 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000298309 Jy ! Component: 100 - total flux cleaned = -0.000211634 Jy ! Component: 150 - total flux cleaned = -0.000144933 Jy ! Component: 200 - total flux cleaned = -0.000163472 Jy ! Total flux subtracted in 200 components = -0.000163472 Jy ! Clean residual min=-0.000298 max=0.000300 Jy/beam ! Clean residual mean=-0.000000 rms=0.000121 Jy/beam ! Combined flux in latest and established models = 0.0316387 Jy selfcal ! Performing phase self-cal ! Adding 58 model components to the UV plane model. ! The established model now contains 291 components and 0.0316387 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=0.024362Jy sigma=0.644851 ! Fit after self-cal, rms=0.024360Jy sigma=0.644782 wmodel J1753+275A_C_map.mod ! Writing 291 model components to file: J1753+275A_C_map.mod wobs J1753+275A_C_uvs.fits ! Writing UV FITS file: J1753+275A_C_uvs.fits wwins J1753+275A_C_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ![Exited script file: /opt64/bin/pima_mupet_01.dfm] ! wmap .//J1753+275A_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.826 x 112.4 at -26.2 degrees (North through East) ! Clean map min=-0.0014343 max=0.032407 Jy/beam ! Writing clean map to FITS file: .//J1753+275A_C_map.fits wmodel .//J1753+275A_C_map.mod ! Writing 291 model components to file: .//J1753+275A_C_map.mod wobs .//J1753+275A_C_uvs.fits ! Writing UV FITS file: .//J1753+275A_C_uvs.fits wwins .//J1753+275A_C_map.win ! wwins: No CLEAN windows to write. ! Error occured in command: wwins ! float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0324065 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000109578 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.0144 1.0144 2.02881 4.05761 8.11522 16.2304 32.4609 64.9218 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.032 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 295.74 quit ! Quitting program ! Log file .//J1753+275A_C_dfm.log closed on Mon Jan 20 18:41:20 2020