! Started logfile: .//J1557-0001_X_dfm.log on Mon Jan 20 00:07:10 2020 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 7.39200 obs .//J1557-0001_X_uvm.fits ! Reading UV FITS file: .//J1557-0001_X_uvm.fits ! AN table 1: 15 integrations on 15 of 15 possible baselines. ! AN table 2: 17 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.937233 visibilities/baseline/integration-bin. ! Found source: J1557-0001 ! ! There are 8 IFs, and a total of 8 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 7.392e+09 3.2e+07 1 3.2e+07 ! 02 2 7.424e+09 3.2e+07 1 3.2e+07 ! 03 3 7.456e+09 3.2e+07 1 3.2e+07 ! 04 4 7.552e+09 3.2e+07 1 3.2e+07 ! 05 5 7.744e+09 3.2e+07 1 3.2e+07 ! 06 6 7.776e+09 3.2e+07 1 3.2e+07 ! 07 7 7.808e+09 3.2e+07 1 3.2e+07 ! 08 8 7.84e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 85 lines of history. ! ! Reading 5256 visibilities. select rr, 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ! Restricting channel ranges to the available 8 channels. ! Selecting polarization: RR, channels: 1..8 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ! Reading IF 5 channels: 5..5 ! Reading IF 6 channels: 6..6 ! Reading IF 7 channels: 7..7 ! Reading IF 8 channels: 8..8 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/opt64/bin/pima_mupet_01.dfm J1557-0001_X] float lim_self lim_self = 120.0 float lim_val lim_va = 1.2 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff print "===============================================================" ! =============================================================== ! print "=== Difmap script: pima_mupet_01.dvm version of 2016.05.19 === " ! === Difmap script: pima_mupet_01.dvm version of 2016.05.19 === ! mapsize field_size, field_cell ! Map grid = 1024x1024 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 5. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 6. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 7. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 8. ! A total of 8 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.201284Jy sigma=25.931412 ! Fit after self-cal, rms=0.342932Jy sigma=7.354287 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9386 mas, bmaj=3.539 mas, bpa=-16.56 degrees ! Estimated noise=0.607122 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 = 0.507499 Jy ! Component: 100 - total flux cleaned = 0.618171 Jy ! Total flux subtracted in 100 components = 0.618171 Jy ! Clean residual min=-0.020441 max=0.033334 Jy/beam ! Clean residual mean=0.000003 rms=0.005501 Jy/beam ! Combined flux in latest and established models = 0.618171 Jy ! Performing phase self-cal ! Adding 2 model components to the UV plane model. ! The established model now contains 2 components and 0.618171 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=0.110670Jy sigma=2.154019 ! Fit after self-cal, rms=0.110494Jy sigma=2.151991 ! Inverting map ! Added new window around map position (-11.4, 11.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.035753 Jy ! Component: 100 - total flux cleaned = 0.0576317 Jy ! Total flux subtracted in 100 components = 0.0576317 Jy ! Clean residual min=-0.018386 max=0.025194 Jy/beam ! Clean residual mean=0.000011 rms=0.003836 Jy/beam ! Combined flux in latest and established models = 0.675803 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 20 components and 0.675803 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=0.090559Jy sigma=1.698616 ! Fit after self-cal, rms=0.090121Jy sigma=1.687503 ! 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=1.229 mas, bmaj=3.578 mas, bpa=-15.54 degrees ! Estimated noise=0.456749 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 = 0.0255406 Jy ! Component: 100 - total flux cleaned = 0.041055 Jy ! Component: 150 - total flux cleaned = 0.0507543 Jy ! Component: 200 - total flux cleaned = 0.0541155 Jy ! Total flux subtracted in 200 components = 0.0541155 Jy ! Clean residual min=-0.016510 max=0.023113 Jy/beam ! Clean residual mean=0.000003 rms=0.003992 Jy/beam ! Combined flux in latest and established models = 0.729918 Jy ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 55 components and 0.729918 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=0.081222Jy sigma=1.493322 ! Fit after self-cal, rms=0.080805Jy sigma=1.482512 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.229 x 3.578 at -15.54 degrees (North through East) ! Clean map min=-0.017362 max=0.65619 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 HN 1.05 KP 0.96 LA 1.01 ! NL 0.93 PT 0.95 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.01 KP 1.04 LA 1.00 ! MK 1.01 NL 0.96 OV 1.07 PT 0.97 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 HN 1.04 KP 0.94 LA 1.00 ! NL 0.93 PT 0.94 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.00 KP 1.04 LA 1.00 ! MK 1.01 NL 0.95 OV 1.06 PT 0.97 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 HN 1.07 KP 0.95 LA 1.02 ! NL 0.94 PT 0.95 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.02 KP 1.03 LA 1.01 ! MK 1.01 NL 0.96 OV 1.07 PT 0.97 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 HN 1.08 KP 0.95 LA 0.99 ! NL 0.93 PT 0.95 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.00 KP 1.03 LA 1.00 ! MK 1.00 NL 0.96 OV 1.06 PT 0.97 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 HN 1.10 KP 0.95 LA 1.01 ! NL 0.94 PT 0.96 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.01 KP 1.03 LA 1.00 ! MK 0.99 NL 0.96 OV 1.07 PT 0.97 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 HN 1.08 KP 0.95 LA 1.01 ! NL 0.93 PT 0.94 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.00 KP 1.04 LA 1.01 ! MK 1.00 NL 0.96 OV 1.08 PT 0.97 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 HN 1.08 KP 0.96 LA 1.00 ! NL 0.95 PT 0.94 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.00 KP 1.03 LA 0.99 ! MK 1.00 NL 0.96 OV 1.07 PT 0.98 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 HN 1.07 KP 0.97 LA 1.02 ! NL 0.95 PT 0.93 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.00 KP 1.03 LA 0.99 ! MK 0.98 NL 0.96 OV 1.09 PT 0.96 ! ! ! Fit before self-cal, rms=0.080805Jy sigma=1.482512 ! Fit after self-cal, rms=0.073233Jy sigma=1.259360 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.232 mas, bmaj=3.582 mas, bpa=-15.62 degrees ! Estimated noise=0.454576 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 = -0.00271973 Jy ! Component: 100 - total flux cleaned = -0.00317612 Jy ! Component: 150 - total flux cleaned = -0.00342723 Jy ! Component: 200 - total flux cleaned = -0.0035442 Jy ! Total flux subtracted in 200 components = -0.0035442 Jy ! Clean residual min=-0.005735 max=0.006368 Jy/beam ! Clean residual mean=-0.000004 rms=0.001456 Jy/beam ! Combined flux in latest and established models = 0.726374 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 73 components and 0.726374 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=0.072550Jy sigma=1.237519 ! Fit after self-cal, rms=0.072492Jy sigma=1.236317 ! 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=0.072492Jy sigma=1.236317 ! Fit after self-cal, rms=0.072635Jy sigma=1.232923 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.233 mas, bmaj=3.579 mas, bpa=-15.61 degrees ! Estimated noise=0.453994 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00244079 Jy ! Component: 100 - total flux cleaned = -0.00273823 Jy ! Component: 150 - total flux cleaned = -0.00282659 Jy ! Component: 200 - total flux cleaned = -0.00290245 Jy ! Total flux subtracted in 200 components = -0.00290245 Jy ! Clean residual min=-0.004930 max=0.005654 Jy/beam ! Clean residual mean=-0.000005 rms=0.001236 Jy/beam ! Combined flux in latest and established models = 0.723472 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 81 components and 0.723471 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=0.072358Jy sigma=1.223445 ! Fit after self-cal, rms=0.072319Jy sigma=1.222740 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 (3.6, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00600674 Jy ! Component: 100 - total flux cleaned = 0.00839583 Jy ! Component: 150 - total flux cleaned = 0.0093455 Jy ! Component: 200 - total flux cleaned = 0.0102186 Jy ! Total flux subtracted in 200 components = 0.0102186 Jy ! Clean residual min=-0.003786 max=0.002907 Jy/beam ! Clean residual mean=-0.000002 rms=0.000827 Jy/beam ! Combined flux in latest and established models = 0.73369 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 112 components and 0.73369 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=0.071652Jy sigma=1.207392 ! Fit after self-cal, rms=0.071609Jy sigma=1.206606 ! 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=0.071609Jy sigma=1.206606 ! Fit after self-cal, rms=0.071438Jy sigma=1.205677 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.233 mas, bmaj=3.578 mas, bpa=-15.6 degrees ! Estimated noise=0.452893 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -9.87673e-05 Jy ! Component: 100 - total flux cleaned = 0.000835144 Jy ! Component: 150 - total flux cleaned = 0.00147733 Jy ! Component: 200 - total flux cleaned = 0.00159182 Jy ! Total flux subtracted in 200 components = 0.00159182 Jy ! Clean residual min=-0.003218 max=0.002503 Jy/beam ! Clean residual mean=-0.000001 rms=0.000705 Jy/beam ! Combined flux in latest and established models = 0.735282 Jy selfcal ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 135 components and 0.735282 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=0.071274Jy sigma=1.201654 ! Fit after self-cal, rms=0.071245Jy sigma=1.201088 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 = -0.000110587 Jy ! Component: 100 - total flux cleaned = 0.000314808 Jy ! Component: 150 - total flux cleaned = 0.000494867 Jy ! Component: 200 - total flux cleaned = 0.000453307 Jy ! Total flux subtracted in 200 components = 0.000453307 Jy ! Clean residual min=-0.002859 max=0.002334 Jy/beam ! Clean residual mean=-0.000001 rms=0.000651 Jy/beam ! Combined flux in latest and established models = 0.735735 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 159 components and 0.735735 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=0.071165Jy sigma=1.199348 ! Fit after self-cal, rms=0.071151Jy sigma=1.199052 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.071151Jy sigma=1.199052 ! Fit after self-cal, rms=0.071036Jy sigma=1.198677 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.398 mas, bmaj=3.89 mas, bpa=-1.62 degrees ! Estimated noise=0.511709 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00108586 Jy ! Component: 100 - total flux cleaned = -0.00104197 Jy ! Component: 150 - total flux cleaned = -0.00100953 Jy ! Component: 200 - total flux cleaned = -0.00103702 Jy ! Total flux subtracted in 200 components = -0.00103702 Jy ! Clean residual min=-0.002782 max=0.002228 Jy/beam ! Clean residual mean=-0.000000 rms=0.000698 Jy/beam ! Combined flux in latest and established models = 0.734698 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 176 components and 0.734698 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=0.070991Jy sigma=1.197533 ! Fit after self-cal, rms=0.070979Jy sigma=1.197271 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 = -0.000100663 Jy ! Component: 100 - total flux cleaned = 6.54397e-05 Jy ! Component: 150 - total flux cleaned = 0.000172682 Jy ! Component: 200 - total flux cleaned = 0.00019745 Jy ! Total flux subtracted in 200 components = 0.00019745 Jy ! Clean residual min=-0.002637 max=0.002169 Jy/beam ! Clean residual mean=-0.000000 rms=0.000674 Jy/beam ! Combined flux in latest and established models = 0.734896 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 191 components and 0.734896 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=0.070950Jy sigma=1.196706 ! Fit after self-cal, rms=0.070945Jy sigma=1.196578 ! 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=1.233 mas, bmaj=3.579 mas, bpa=-15.59 degrees ! Estimated noise=0.452264 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.233 x 3.579 at -15.59 degrees (North through East) ! Clean map min=-0.0042701 max=0.65272 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.070945Jy sigma=1.196578 ! Fit after self-cal, rms=0.176370Jy sigma=0.609832 ! Inverting map and beam ! Estimated beam: bmin=1.234 mas, bmaj=3.578 mas, bpa=-15.6 degrees ! Estimated noise=0.452484 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00126126 Jy ! Component: 100 - total flux cleaned = -0.001612 Jy ! Component: 150 - total flux cleaned = -0.00170013 Jy ! Component: 200 - total flux cleaned = -0.00175299 Jy ! Total flux subtracted in 200 components = -0.00175299 Jy ! Clean residual min=-0.002121 max=0.002118 Jy/beam ! Clean residual mean=0.000000 rms=0.000533 Jy/beam ! Combined flux in latest and established models = 0.733143 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 209 components and 0.733143 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=0.176354Jy sigma=0.607883 ! Fit after self-cal, rms=0.176352Jy sigma=0.607757 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000115096 Jy ! Component: 100 - total flux cleaned = -3.63808e-05 Jy ! Component: 150 - total flux cleaned = -8.32514e-05 Jy ! Component: 200 - total flux cleaned = -8.34009e-05 Jy ! Total flux subtracted in 200 components = -8.34009e-05 Jy ! Clean residual min=-0.002036 max=0.002055 Jy/beam ! Clean residual mean=0.000000 rms=0.000521 Jy/beam ! Combined flux in latest and established models = 0.73306 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 218 components and 0.73306 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=0.176346Jy sigma=0.606869 ! Fit after self-cal, rms=0.176346Jy sigma=0.606796 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.176346Jy sigma=0.606796 ! Fit after self-cal, rms=0.177164Jy sigma=0.606402 print "============== Clearing model and starting over ==========" ! ============== Clearing model and starting over ========== clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.938 mas, bmaj=3.534 mas, bpa=-16.64 degrees ! Estimated noise=0.606635 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.507051 Jy ! Component: 100 - total flux cleaned = 0.617633 Jy ! Component: 150 - total flux cleaned = 0.648744 Jy ! Component: 200 - total flux cleaned = 0.665105 Jy ! Total flux subtracted in 200 components = 0.665105 Jy ! Clean residual min=-0.007917 max=0.009046 Jy/beam ! Clean residual mean=-0.000000 rms=0.001873 Jy/beam ! Combined flux in latest and established models = 0.665105 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 20 model components to the UV plane model. ! The established model now contains 20 components and 0.665105 Jy ! Inverting map and beam ! Estimated beam: bmin=1.234 mas, bmaj=3.578 mas, bpa=-15.6 degrees ! Estimated noise=0.452306 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 = 0.0176605 Jy ! Component: 100 - total flux cleaned = 0.0288321 Jy ! Component: 150 - total flux cleaned = 0.0367412 Jy ! Component: 200 - total flux cleaned = 0.0427572 Jy ! Total flux subtracted in 200 components = 0.0427572 Jy ! Clean residual min=-0.004231 max=0.005758 Jy/beam ! Clean residual mean=0.000000 rms=0.001291 Jy/beam ! Combined flux in latest and established models = 0.707862 Jy ! Adding 48 model components to the UV plane model. ! The established model now contains 63 components and 0.707862 Jy ! Inverting map ! Added new window around map position (-3, 4.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00549075 Jy ! Component: 100 - total flux cleaned = 0.00824485 Jy ! Component: 150 - total flux cleaned = 0.0102543 Jy ! Component: 200 - total flux cleaned = 0.0118343 Jy ! Total flux subtracted in 200 components = 0.0118343 Jy ! Clean residual min=-0.002972 max=0.003044 Jy/beam ! Clean residual mean=0.000000 rms=0.000742 Jy/beam ! Combined flux in latest and established models = 0.719697 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 101 components and 0.719697 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.401 mas, bmaj=3.89 mas, bpa=-1.584 degrees ! Estimated noise=0.511364 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00224982 Jy ! Component: 100 - total flux cleaned = 0.00358084 Jy ! Component: 150 - total flux cleaned = 0.00456604 Jy ! Component: 200 - total flux cleaned = 0.00556067 Jy ! Total flux subtracted in 200 components = 0.00556067 Jy ! Clean residual min=-0.002384 max=0.002394 Jy/beam ! Clean residual mean=0.000000 rms=0.000698 Jy/beam ! Combined flux in latest and established models = 0.725257 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 = 0.000650117 Jy ! Component: 100 - total flux cleaned = 0.00128929 Jy ! Component: 150 - total flux cleaned = 0.00181626 Jy ! Component: 200 - total flux cleaned = 0.00221002 Jy ! Total flux subtracted in 200 components = 0.00221002 Jy ! Clean residual min=-0.002090 max=0.002026 Jy/beam ! Clean residual mean=-0.000000 rms=0.000587 Jy/beam ! Combined flux in latest and established models = 0.727467 Jy ! Adding 84 model components to the UV plane model. ! The established model now contains 184 components and 0.727467 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.234 mas, bmaj=3.578 mas, bpa=-15.6 degrees ! Estimated noise=0.452306 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000855862 Jy ! Component: 100 - total flux cleaned = 0.00119865 Jy ! Component: 150 - total flux cleaned = 0.00140911 Jy ! Component: 200 - total flux cleaned = 0.00157209 Jy ! Total flux subtracted in 200 components = 0.00157209 Jy ! Clean residual min=-0.001807 max=0.001797 Jy/beam ! Clean residual mean=-0.000000 rms=0.000465 Jy/beam ! Combined flux in latest and established models = 0.729039 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 206 components and 0.729039 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=0.177187Jy sigma=0.603535 ! Fit after self-cal, rms=0.177169Jy sigma=0.601818 wmodel J1557-0001_X_map.mod ! Writing 206 model components to file: J1557-0001_X_map.mod wobs J1557-0001_X_uvs.fits ! Writing UV FITS file: J1557-0001_X_uvs.fits wwins J1557-0001_X_map.win ! wwins: Wrote 4 windows to J1557-0001_X_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000220251 Jy ! Component: 100 - total flux cleaned = 2.16988e-05 Jy ! Component: 150 - total flux cleaned = -8.40273e-05 Jy ! Component: 200 - total flux cleaned = -0.000208191 Jy ! Component: 250 - total flux cleaned = -0.000207785 Jy ! Component: 300 - total flux cleaned = -0.000185899 Jy ! Component: 350 - total flux cleaned = -0.000207662 Jy ! Component: 400 - total flux cleaned = -0.00022876 Jy ! Component: 450 - total flux cleaned = -0.00026873 Jy ! Component: 500 - total flux cleaned = -0.000364428 Jy ! Component: 550 - total flux cleaned = -0.000363482 Jy ! Component: 600 - total flux cleaned = -0.000435206 Jy ! Component: 650 - total flux cleaned = -0.000452537 Jy ! Component: 700 - total flux cleaned = -0.000452039 Jy ! Component: 750 - total flux cleaned = -0.000452178 Jy ! Component: 800 - total flux cleaned = -0.000435754 Jy ! Component: 850 - total flux cleaned = -0.000403916 Jy ! Component: 900 - total flux cleaned = -0.000434598 Jy ! Component: 950 - total flux cleaned = -0.000434423 Jy ! Component: 1000 - total flux cleaned = -0.00043439 Jy ! Component: 1050 - total flux cleaned = -0.00043441 Jy ! Component: 1100 - total flux cleaned = -0.000462563 Jy ! Component: 1150 - total flux cleaned = -0.000489844 Jy ! Component: 1200 - total flux cleaned = -0.000543283 Jy ! Component: 1250 - total flux cleaned = -0.000569502 Jy ! Component: 1300 - total flux cleaned = -0.000646861 Jy ! Component: 1350 - total flux cleaned = -0.000748093 Jy ! Component: 1400 - total flux cleaned = -0.000822805 Jy ! Component: 1450 - total flux cleaned = -0.000883887 Jy ! Component: 1500 - total flux cleaned = -0.000955954 Jy ! Component: 1550 - total flux cleaned = -0.00101529 Jy ! Component: 1600 - total flux cleaned = -0.00108515 Jy ! Component: 1650 - total flux cleaned = -0.00109658 Jy ! Component: 1700 - total flux cleaned = -0.00116452 Jy ! Component: 1750 - total flux cleaned = -0.00120927 Jy ! Component: 1800 - total flux cleaned = -0.0012862 Jy ! Component: 1850 - total flux cleaned = -0.00132966 Jy ! Component: 1900 - total flux cleaned = -0.00138309 Jy ! Component: 1950 - total flux cleaned = -0.00143575 Jy ! Component: 2000 - total flux cleaned = -0.00146691 Jy ! Component: 2050 - total flux cleaned = -0.00149783 Jy ! Component: 2100 - total flux cleaned = -0.0015386 Jy ! Component: 2150 - total flux cleaned = -0.00158878 Jy ! Component: 2200 - total flux cleaned = -0.00162852 Jy ! Component: 2250 - total flux cleaned = -0.0016677 Jy ! Component: 2300 - total flux cleaned = -0.00169666 Jy ! Component: 2350 - total flux cleaned = -0.00172542 Jy ! Component: 2400 - total flux cleaned = -0.00174433 Jy ! Component: 2450 - total flux cleaned = -0.00177235 Jy ! Component: 2500 - total flux cleaned = -0.00178164 Jy ! Component: 2550 - total flux cleaned = -0.00180921 Jy ! Component: 2600 - total flux cleaned = -0.00185461 Jy ! Component: 2650 - total flux cleaned = -0.00185455 Jy ! Component: 2700 - total flux cleaned = -0.00190804 Jy ! Component: 2750 - total flux cleaned = -0.00189906 Jy ! Component: 2800 - total flux cleaned = -0.00191654 Jy ! Component: 2850 - total flux cleaned = -0.00190798 Jy ! Component: 2900 - total flux cleaned = -0.00193383 Jy ! Component: 2950 - total flux cleaned = -0.00192521 Jy ! Component: 3000 - total flux cleaned = -0.00191658 Jy ! Component: 3050 - total flux cleaned = -0.00188281 Jy ! Component: 3100 - total flux cleaned = -0.00189112 Jy ! Component: 3150 - total flux cleaned = -0.00187447 Jy ! Component: 3200 - total flux cleaned = -0.00188281 Jy ! Component: 3250 - total flux cleaned = -0.00187455 Jy ! Component: 3300 - total flux cleaned = -0.00187462 Jy ! Component: 3350 - total flux cleaned = -0.00187455 Jy ! Component: 3400 - total flux cleaned = -0.00186645 Jy ! Component: 3450 - total flux cleaned = -0.00185839 Jy ! Component: 3500 - total flux cleaned = -0.00185038 Jy ! Component: 3550 - total flux cleaned = -0.00184241 Jy ! Component: 3600 - total flux cleaned = -0.00183454 Jy ! Component: 3650 - total flux cleaned = -0.00184239 Jy ! Component: 3700 - total flux cleaned = -0.00183458 Jy ! Component: 3750 - total flux cleaned = -0.00182684 Jy ! Component: 3800 - total flux cleaned = -0.00184235 Jy ! Component: 3850 - total flux cleaned = -0.00181922 Jy ! Component: 3900 - total flux cleaned = -0.00182697 Jy ! Component: 3950 - total flux cleaned = -0.00182696 Jy ! Component: 4000 - total flux cleaned = -0.00183455 Jy ! Component: 4050 - total flux cleaned = -0.00181933 Jy ! Total flux subtracted in 4096 components = -0.00181181 Jy ! Clean residual min=-0.000474 max=0.000512 Jy/beam ! Clean residual mean=-0.000002 rms=0.000134 Jy/beam ! Combined flux in latest and established models = 0.727227 Jy keep ! Adding 283 model components to the UV plane model. ! The established model now contains 489 components and 0.727228 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap .//J1557-0001_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.234 x 3.578 at -15.6 degrees (North through East) ! Clean map min=-0.0021417 max=0.65483 Jy/beam ! Writing clean map to FITS file: .//J1557-0001_X_map.fits wmodel .//J1557-0001_X_map.mod ! Writing 489 model components to file: .//J1557-0001_X_map.mod wobs .//J1557-0001_X_uvs.fits ! Writing UV FITS file: .//J1557-0001_X_uvs.fits wwins .//J1557-0001_X_map.win ! wwins: Wrote 5 windows to .//J1557-0001_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.654827 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000127043 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0582029 0.0582029 0.116406 0.232812 0.465623 0.931246 1.86249 3.72499 7.44997 14.8999 29.7999 59.5998 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.654 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 5154.38 quit ! Quitting program ! Log file .//J1557-0001_X_dfm.log closed on Mon Jan 20 00:07:14 2020