! Started logfile: .//J1257-2548_C_dfm.log on Mon Jan 20 18:06:06 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 .//J1257-2548_C_uva.fits ! Reading UV FITS file: .//J1257-2548_C_uva.fits ! AN table 1: 16 integrations on 45 of 45 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1257-2548 ! ! 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 5760 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 J1257-2548_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. ! ! 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=1.010029Jy sigma=15.392628 ! Fit after self-cal, rms=0.916727Jy sigma=13.921536 ! 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=1.339 mas, bmaj=3.497 mas, bpa=-12.05 degrees ! Estimated noise=1.06835 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 = 0.0656958 Jy ! Component: 100 - total flux cleaned = 0.080123 Jy ! Total flux subtracted in 100 components = 0.080123 Jy ! Clean residual min=-0.003975 max=0.006951 Jy/beam ! Clean residual mean=0.000003 rms=0.001052 Jy/beam ! Combined flux in latest and established models = 0.080123 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.080123 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=0.053678Jy sigma=0.702077 ! Fit after self-cal, rms=0.053548Jy sigma=0.701368 ! Inverting map ! Added new window around map position (-2.4, 3.3). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00623176 Jy ! Component: 100 - total flux cleaned = 0.00933158 Jy ! Total flux subtracted in 100 components = 0.00933158 Jy ! Clean residual min=-0.003747 max=0.003888 Jy/beam ! Clean residual mean=0.000001 rms=0.000861 Jy/beam ! Combined flux in latest and established models = 0.0894546 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 12 components and 0.0894546 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=0.052916Jy sigma=0.687676 ! Fit after self-cal, rms=0.052878Jy sigma=0.686747 ! 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=1.706 mas, bmaj=4.317 mas, bpa=-9.816 degrees ! Estimated noise=0.635164 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 = 0.00226034 Jy ! Component: 100 - total flux cleaned = 0.00273315 Jy ! Component: 150 - total flux cleaned = 0.00297433 Jy ! Component: 200 - total flux cleaned = 0.0031095 Jy ! Total flux subtracted in 200 components = 0.0031095 Jy ! Clean residual min=-0.002400 max=0.002293 Jy/beam ! Clean residual mean=0.000001 rms=0.000598 Jy/beam ! Combined flux in latest and established models = 0.0925641 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 18 components and 0.0925641 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=0.052767Jy sigma=0.684788 ! Fit after self-cal, rms=0.052772Jy sigma=0.684726 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.706 x 4.317 at -9.816 degrees (North through East) ! Clean map min=-0.0022717 max=0.081189 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.92 HN 1.05 KP 1.02 ! LA 0.95 MK 0.98 NL 0.97 OV 0.98 ! PT 1.11 SC 0.94 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.97 HN 1.02 KP 1.02 ! LA 0.93 MK 1.05 NL 0.98 OV 1.03 ! PT 0.98 SC 1.03 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.21 FD 0.93 HN 1.11 KP 1.06 ! LA 0.95 MK 0.96 NL 1.10 OV 1.05 ! PT 1.02 SC 0.96 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.87 FD 0.95 HN 1.10 KP 1.07 ! LA 0.93 MK 0.98 NL 1.05 OV 0.97 ! PT 1.00 SC 1.02 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.89 HN 1.10 KP 1.00 ! LA 1.02 MK 0.99 NL 1.01 OV 1.00 ! PT 0.99 SC 1.01 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.97 HN 1.19 KP 0.99 ! LA 0.97 MK 1.01 NL 0.96 OV 1.01 ! PT 1.06 SC 0.99 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.95 HN 1.02 KP 1.00 ! LA 0.98 MK 1.05 NL 0.99 OV 1.05 ! PT 1.00 SC 1.01 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.91 HN 0.99 KP 1.00 ! LA 0.98 MK 1.04 NL 0.98 OV 1.03 ! PT 1.03 SC 1.02 ! ! ! Fit before self-cal, rms=0.052772Jy sigma=0.684726 ! Fit after self-cal, rms=0.053891Jy sigma=0.678242 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.714 mas, bmaj=4.323 mas, bpa=-9.672 degrees ! Estimated noise=0.637311 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 = -0.000302856 Jy ! Component: 100 - total flux cleaned = -0.000475784 Jy ! Component: 150 - total flux cleaned = -0.000601961 Jy ! Component: 200 - total flux cleaned = -0.000639413 Jy ! Total flux subtracted in 200 components = -0.000639413 Jy ! Clean residual min=-0.001931 max=0.002017 Jy/beam ! Clean residual mean=-0.000002 rms=0.000483 Jy/beam ! Combined flux in latest and established models = 0.0919247 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 32 components and 0.0919247 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=0.053863Jy sigma=0.678014 ! Fit after self-cal, rms=0.053901Jy sigma=0.677904 ! 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=0.053901Jy sigma=0.677904 ! Fit after self-cal, rms=0.054075Jy sigma=0.677880 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.715 mas, bmaj=4.323 mas, bpa=-9.641 degrees ! Estimated noise=0.637103 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000225428 Jy ! Component: 100 - total flux cleaned = -0.000357883 Jy ! Component: 150 - total flux cleaned = -0.000423087 Jy ! Component: 200 - total flux cleaned = -0.000453202 Jy ! Total flux subtracted in 200 components = -0.000453202 Jy ! Clean residual min=-0.001917 max=0.002021 Jy/beam ! Clean residual mean=-0.000002 rms=0.000479 Jy/beam ! Combined flux in latest and established models = 0.0914715 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 36 components and 0.0914715 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=0.054057Jy sigma=0.677756 ! Fit after self-cal, rms=0.054061Jy sigma=0.677744 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 (-66.6, 65.1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000985264 Jy ! Component: 100 - total flux cleaned = 0.000866102 Jy ! Component: 150 - total flux cleaned = 0.000800722 Jy ! Component: 200 - total flux cleaned = 0.000801064 Jy ! Total flux subtracted in 200 components = 0.000801064 Jy ! Clean residual min=-0.001861 max=0.001837 Jy/beam ! Clean residual mean=-0.000001 rms=0.000455 Jy/beam ! Combined flux in latest and established models = 0.0922726 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 51 components and 0.0922726 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=0.053974Jy sigma=0.676783 ! Fit after self-cal, rms=0.053964Jy sigma=0.676732 ! 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=0.053964Jy sigma=0.676732 ! Fit after self-cal, rms=0.054077Jy sigma=0.676686 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.716 mas, bmaj=4.325 mas, bpa=-9.643 degrees ! Estimated noise=0.636404 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000115304 Jy ! Component: 100 - total flux cleaned = 0.000140923 Jy ! Component: 150 - total flux cleaned = 0.000119542 Jy ! Component: 200 - total flux cleaned = 4.07053e-05 Jy ! Total flux subtracted in 200 components = 4.07053e-05 Jy ! Clean residual min=-0.001892 max=0.001829 Jy/beam ! Clean residual mean=-0.000001 rms=0.000451 Jy/beam ! Combined flux in latest and established models = 0.0923133 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 59 components and 0.0923133 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=0.054048Jy sigma=0.676463 ! Fit after self-cal, rms=0.054047Jy sigma=0.676455 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 = -1.60501e-05 Jy ! Component: 100 - total flux cleaned = -5.18717e-05 Jy ! Component: 150 - total flux cleaned = -8.58215e-05 Jy ! Component: 200 - total flux cleaned = -0.000117428 Jy ! Total flux subtracted in 200 components = -0.000117428 Jy ! Clean residual min=-0.001902 max=0.001808 Jy/beam ! Clean residual mean=-0.000001 rms=0.000449 Jy/beam ! Combined flux in latest and established models = 0.0921959 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 63 components and 0.0921959 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=0.054031Jy sigma=0.676341 ! Fit after self-cal, rms=0.054030Jy sigma=0.676338 ! 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=0.054030Jy sigma=0.676338 ! Fit after self-cal, rms=0.054111Jy sigma=0.676322 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.923 mas, bmaj=8.999 mas, bpa=-7.924 degrees ! Estimated noise=0.771749 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000293237 Jy ! Component: 100 - total flux cleaned = 0.000330277 Jy ! Component: 150 - total flux cleaned = 0.000329922 Jy ! Component: 200 - total flux cleaned = 0.00032933 Jy ! Total flux subtracted in 200 components = 0.00032933 Jy ! Clean residual min=-0.001920 max=0.001696 Jy/beam ! Clean residual mean=-0.000001 rms=0.000518 Jy/beam ! Combined flux in latest and established models = 0.0925252 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 73 components and 0.0925252 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=0.054104Jy sigma=0.676303 ! Fit after self-cal, rms=0.054108Jy sigma=0.676288 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 = 6.537e-05 Jy ! Component: 100 - total flux cleaned = 7.56848e-05 Jy ! Component: 150 - total flux cleaned = 7.53605e-05 Jy ! Component: 200 - total flux cleaned = 7.56112e-05 Jy ! Total flux subtracted in 200 components = 7.56112e-05 Jy ! Clean residual min=-0.001920 max=0.001667 Jy/beam ! Clean residual mean=-0.000001 rms=0.000521 Jy/beam ! Combined flux in latest and established models = 0.0926008 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 77 components and 0.0926008 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=0.054104Jy sigma=0.676291 ! Fit after self-cal, rms=0.054105Jy sigma=0.676287 ! 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=1.717 mas, bmaj=4.326 mas, bpa=-9.639 degrees ! Estimated noise=0.636149 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.717 x 4.326 at -9.639 degrees (North through East) ! Clean map min=-0.0018128 max=0.082105 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=1.344 mas, bmaj=3.489 mas, bpa=-11.83 degrees ! Estimated noise=1.07553 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0660584 Jy ! Component: 100 - total flux cleaned = 0.0810364 Jy ! Component: 150 - total flux cleaned = 0.0848818 Jy ! Component: 200 - total flux cleaned = 0.0868666 Jy ! Total flux subtracted in 200 components = 0.0868666 Jy ! Clean residual min=-0.003479 max=0.003669 Jy/beam ! Clean residual mean=-0.000000 rms=0.000822 Jy/beam ! Combined flux in latest and established models = 0.0868666 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 18 model components to the UV plane model. ! The established model now contains 18 components and 0.0868666 Jy ! Inverting map and beam ! Estimated beam: bmin=1.717 mas, bmaj=4.326 mas, bpa=-9.639 degrees ! Estimated noise=0.636149 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 (1.2, 3.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00265646 Jy ! Component: 100 - total flux cleaned = 0.00387356 Jy ! Component: 150 - total flux cleaned = 0.00458407 Jy ! Component: 200 - total flux cleaned = 0.00503025 Jy ! Total flux subtracted in 200 components = 0.00503025 Jy ! Clean residual min=-0.002004 max=0.001910 Jy/beam ! Clean residual mean=-0.000001 rms=0.000474 Jy/beam ! Combined flux in latest and established models = 0.0918969 Jy ! Adding 19 model components to the UV plane model. ! The established model now contains 35 components and 0.0918969 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=3.923 mas, bmaj=8.999 mas, bpa=-7.924 degrees ! Estimated noise=0.771749 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000803504 Jy ! Component: 100 - total flux cleaned = 0.000890477 Jy ! Component: 150 - total flux cleaned = 0.000961339 Jy ! Component: 200 - total flux cleaned = 0.00102257 Jy ! Total flux subtracted in 200 components = 0.00102257 Jy ! Clean residual min=-0.001944 max=0.001865 Jy/beam ! Clean residual mean=-0.000001 rms=0.000533 Jy/beam ! Combined flux in latest and established models = 0.0929194 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 = 7.23838e-05 Jy ! Component: 100 - total flux cleaned = 0.000121321 Jy ! Component: 150 - total flux cleaned = 0.000137298 Jy ! Component: 200 - total flux cleaned = 0.000151837 Jy ! Total flux subtracted in 200 components = 0.000151837 Jy ! Clean residual min=-0.001937 max=0.001809 Jy/beam ! Clean residual mean=-0.000001 rms=0.000527 Jy/beam ! Combined flux in latest and established models = 0.0930713 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 68 components and 0.0930713 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.717 mas, bmaj=4.326 mas, bpa=-9.639 degrees ! Estimated noise=0.636149 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00015107 Jy ! Component: 100 - total flux cleaned = -0.000315434 Jy ! Component: 150 - total flux cleaned = -0.00040138 Jy ! Component: 200 - total flux cleaned = -0.000453644 Jy ! Total flux subtracted in 200 components = -0.000453644 Jy ! Clean residual min=-0.001941 max=0.001830 Jy/beam ! Clean residual mean=-0.000000 rms=0.000450 Jy/beam ! Combined flux in latest and established models = 0.0926176 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 85 components and 0.0926176 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=0.054114Jy sigma=0.676290 ! Fit after self-cal, rms=0.054110Jy sigma=0.676259 wmodel J1257-2548_C_map.mod ! Writing 85 model components to file: J1257-2548_C_map.mod wobs J1257-2548_C_uvs.fits ! Writing UV FITS file: J1257-2548_C_uvs.fits wwins J1257-2548_C_map.win ! wwins: Wrote 4 windows to J1257-2548_C_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 = -0.000147075 Jy ! Component: 100 - total flux cleaned = -0.000209893 Jy ! Component: 150 - total flux cleaned = -0.000150294 Jy ! Component: 200 - total flux cleaned = -0.000122538 Jy ! Component: 250 - total flux cleaned = -1.42859e-05 Jy ! Component: 300 - total flux cleaned = 0.000142312 Jy ! Component: 350 - total flux cleaned = 0.000193515 Jy ! Component: 400 - total flux cleaned = 0.000364985 Jy ! Component: 450 - total flux cleaned = 0.000388581 Jy ! Component: 500 - total flux cleaned = 0.00043481 Jy ! Component: 550 - total flux cleaned = 0.000321902 Jy ! Component: 600 - total flux cleaned = 0.000299781 Jy ! Component: 650 - total flux cleaned = 0.000213221 Jy ! Component: 700 - total flux cleaned = 0.000170969 Jy ! Component: 750 - total flux cleaned = 4.60547e-05 Jy ! Component: 800 - total flux cleaned = -3.51813e-05 Jy ! Component: 850 - total flux cleaned = -0.00013484 Jy ! Component: 900 - total flux cleaned = -0.000154191 Jy ! Component: 950 - total flux cleaned = -0.000308198 Jy ! Component: 1000 - total flux cleaned = -0.000364628 Jy ! Component: 1050 - total flux cleaned = -0.000420452 Jy ! Component: 1100 - total flux cleaned = -0.000511549 Jy ! Component: 1150 - total flux cleaned = -0.000565227 Jy ! Component: 1200 - total flux cleaned = -0.000600739 Jy ! Component: 1250 - total flux cleaned = -0.000600715 Jy ! Component: 1300 - total flux cleaned = -0.000669547 Jy ! Component: 1350 - total flux cleaned = -0.000720145 Jy ! Component: 1400 - total flux cleaned = -0.000737022 Jy ! Component: 1450 - total flux cleaned = -0.000786708 Jy ! Component: 1500 - total flux cleaned = -0.000868299 Jy ! Component: 1550 - total flux cleaned = -0.000964643 Jy ! Component: 1600 - total flux cleaned = -0.00102804 Jy ! Component: 1650 - total flux cleaned = -0.00112233 Jy ! Component: 1700 - total flux cleaned = -0.00126194 Jy ! Component: 1750 - total flux cleaned = -0.0013078 Jy ! Component: 1800 - total flux cleaned = -0.00139881 Jy ! Component: 1850 - total flux cleaned = -0.00150389 Jy ! Component: 1900 - total flux cleaned = -0.00156344 Jy ! Component: 1950 - total flux cleaned = -0.00160757 Jy ! Component: 2000 - total flux cleaned = -0.00170914 Jy ! Component: 2050 - total flux cleaned = -0.00175233 Jy ! Component: 2100 - total flux cleaned = -0.0018091 Jy ! Component: 2150 - total flux cleaned = -0.0017951 Jy ! Component: 2200 - total flux cleaned = -0.00187867 Jy ! Component: 2250 - total flux cleaned = -0.00185102 Jy ! Component: 2300 - total flux cleaned = -0.00189227 Jy ! Component: 2350 - total flux cleaned = -0.00187859 Jy ! Component: 2400 - total flux cleaned = -0.00187856 Jy ! Component: 2450 - total flux cleaned = -0.00189204 Jy ! Component: 2500 - total flux cleaned = -0.00191845 Jy ! Component: 2550 - total flux cleaned = -0.00190519 Jy ! Component: 2600 - total flux cleaned = -0.00197028 Jy ! Component: 2650 - total flux cleaned = -0.00194467 Jy ! Component: 2700 - total flux cleaned = -0.00198315 Jy ! Component: 2750 - total flux cleaned = -0.00198318 Jy ! Component: 2800 - total flux cleaned = -0.00200834 Jy ! Component: 2850 - total flux cleaned = -0.00202082 Jy ! Component: 2900 - total flux cleaned = -0.00204565 Jy ! Component: 2950 - total flux cleaned = -0.00203321 Jy ! Component: 3000 - total flux cleaned = -0.00203312 Jy ! Component: 3050 - total flux cleaned = -0.00208194 Jy ! Component: 3100 - total flux cleaned = -0.00208192 Jy ! Component: 3150 - total flux cleaned = -0.00209392 Jy ! Component: 3200 - total flux cleaned = -0.00208206 Jy ! Component: 3250 - total flux cleaned = -0.00209392 Jy ! Component: 3300 - total flux cleaned = -0.00207054 Jy ! Component: 3350 - total flux cleaned = -0.00210562 Jy ! Component: 3400 - total flux cleaned = -0.00212878 Jy ! Component: 3450 - total flux cleaned = -0.00211715 Jy ! Component: 3500 - total flux cleaned = -0.00210572 Jy ! Component: 3550 - total flux cleaned = -0.00212851 Jy ! Component: 3600 - total flux cleaned = -0.00213987 Jy ! Component: 3650 - total flux cleaned = -0.00211729 Jy ! Component: 3700 - total flux cleaned = -0.00210613 Jy ! Component: 3750 - total flux cleaned = -0.00215074 Jy ! Component: 3800 - total flux cleaned = -0.00217287 Jy ! Component: 3850 - total flux cleaned = -0.00215081 Jy ! Component: 3900 - total flux cleaned = -0.00216169 Jy ! Component: 3950 - total flux cleaned = -0.00215074 Jy ! Component: 4000 - total flux cleaned = -0.00211819 Jy ! Component: 4050 - total flux cleaned = -0.00215066 Jy ! Total flux subtracted in 4096 components = -0.00218297 Jy ! Clean residual min=-0.000639 max=0.000640 Jy/beam ! Clean residual mean=-0.000000 rms=0.000192 Jy/beam ! Combined flux in latest and established models = 0.0904347 Jy keep ! Adding 289 model components to the UV plane model. ! The established model now contains 374 components and 0.0904347 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap .//J1257-2548_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.717 x 4.326 at -9.639 degrees (North through East) ! Clean map min=-0.0014748 max=0.082083 Jy/beam ! Writing clean map to FITS file: .//J1257-2548_C_map.fits wmodel .//J1257-2548_C_map.mod ! Writing 374 model components to file: .//J1257-2548_C_map.mod wobs .//J1257-2548_C_uvs.fits ! Writing UV FITS file: .//J1257-2548_C_uvs.fits wwins .//J1257-2548_C_map.win ! wwins: Wrote 5 windows to .//J1257-2548_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0820833 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000188064 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.687342 0.687342 1.37468 2.74937 5.49874 10.9975 21.9949 43.9899 87.9798 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.082 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 436.463 quit ! Quitting program ! Log file .//J1257-2548_C_dfm.log closed on Mon Jan 20 18:06:10 2020