! Started logfile: .//J2251-3827_X_dfm.log on Mon Jan 20 19:23:06 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 .//J2251-3827_X_uva.fits ! Reading UV FITS file: .//J2251-3827_X_uva.fits ! AN table 1: 17 integrations on 6 of 6 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J2251-3827 ! ! 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 67 lines of history. ! ! Reading 816 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 J2251-3827_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. ! ! 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=1.004079Jy sigma=12.070412 ! Fit after self-cal, rms=0.942592Jy sigma=11.261863 ! 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=2.559 mas, bmaj=40.37 mas, bpa=-20.39 degrees ! Estimated noise=2.90043 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 = 0.0465985 Jy ! Component: 100 - total flux cleaned = 0.0540053 Jy ! Total flux subtracted in 100 components = 0.0540053 Jy ! Clean residual min=-0.005263 max=0.005278 Jy/beam ! Clean residual mean=-0.000038 rms=0.002465 Jy/beam ! Combined flux in latest and established models = 0.0540053 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 36 components and 0.0540053 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=0.057300Jy sigma=0.607084 ! Fit after self-cal, rms=0.056340Jy sigma=0.597630 ! 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=2.558 mas, bmaj=35.78 mas, bpa=-20.2 degrees ! Estimated noise=2.14046 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 = 0.000248442 Jy ! Component: 100 - total flux cleaned = -0.00255773 Jy ! Component: 150 - total flux cleaned = -0.0041004 Jy ! Component: 200 - total flux cleaned = -0.00358219 Jy ! Total flux subtracted in 200 components = -0.00358219 Jy ! Clean residual min=-0.002462 max=0.002403 Jy/beam ! Clean residual mean=-0.000049 rms=0.000747 Jy/beam ! Combined flux in latest and established models = 0.0504231 Jy ! Performing phase self-cal ! Adding 50 model components to the UV plane model. ! The established model now contains 85 components and 0.0504231 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=0.055352Jy sigma=0.584396 ! Fit after self-cal, rms=0.055273Jy sigma=0.583205 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.558 x 35.78 at -20.2 degrees (North through East) ! Clean map min=-0.0056013 max=0.050795 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 1.10 KP 0.87 NL 0.99 PT 0.95 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 1.15 KP 1.01 NL 1.01 PT 0.94 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 0.95 KP 1.12 NL 0.95 PT 1.01 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 0.94 KP 1.00 NL 0.94 PT 1.03 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 0.85 KP 1.04 NL 0.91 PT 1.15 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 0.93 KP 1.02 NL 0.93 PT 0.95 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 1.17 KP 0.92 NL 1.11 PT 0.94 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 1.23 KP 0.98 NL 1.41 PT 0.72 ! ! ! Fit before self-cal, rms=0.055273Jy sigma=0.583205 ! Fit after self-cal, rms=0.056528Jy sigma=0.575681 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.569 mas, bmaj=35.76 mas, bpa=-20.2 degrees ! Estimated noise=2.09519 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 = 0.000811242 Jy ! Component: 100 - total flux cleaned = 0.000909086 Jy ! Component: 150 - total flux cleaned = 0.000920254 Jy ! Component: 200 - total flux cleaned = 0.00108831 Jy ! Total flux subtracted in 200 components = 0.00108831 Jy ! Clean residual min=-0.003196 max=0.003284 Jy/beam ! Clean residual mean=0.000004 rms=0.000661 Jy/beam ! Combined flux in latest and established models = 0.0515114 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 107 components and 0.0515114 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=0.056346Jy sigma=0.575395 ! Fit after self-cal, rms=0.056625Jy sigma=0.572862 ! 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=0.056625Jy sigma=0.572862 ! Fit after self-cal, rms=0.057545Jy sigma=0.572476 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.569 mas, bmaj=35.83 mas, bpa=-20.21 degrees ! Estimated noise=2.09603 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000500104 Jy ! Component: 100 - total flux cleaned = 0.000722742 Jy ! Component: 150 - total flux cleaned = 0.00072541 Jy ! Component: 200 - total flux cleaned = 0.000658491 Jy ! Total flux subtracted in 200 components = 0.000658491 Jy ! Clean residual min=-0.000564 max=0.000547 Jy/beam ! Clean residual mean=0.000003 rms=0.000187 Jy/beam ! Combined flux in latest and established models = 0.0521699 Jy selfcal ! Performing phase self-cal ! Adding 54 model components to the UV plane model. ! The established model now contains 152 components and 0.0521699 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=0.057465Jy sigma=0.571849 ! Fit after self-cal, rms=0.057629Jy sigma=0.571601 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 = 0.00060807 Jy ! Component: 100 - total flux cleaned = 0.000762973 Jy ! Component: 150 - total flux cleaned = 0.000842019 Jy ! Component: 200 - total flux cleaned = 0.000839371 Jy ! Total flux subtracted in 200 components = 0.000839371 Jy ! Clean residual min=-0.000633 max=0.000655 Jy/beam ! Clean residual mean=0.000005 rms=0.000197 Jy/beam ! Combined flux in latest and established models = 0.0530093 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 187 components and 0.0530093 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=0.057577Jy sigma=0.571396 ! Fit after self-cal, rms=0.057546Jy sigma=0.571168 ! Inverting map ! Added new window around map position (-49.8, -2.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000361455 Jy ! Component: 100 - total flux cleaned = 0.00055841 Jy ! Component: 150 - total flux cleaned = 0.000596083 Jy ! Component: 200 - total flux cleaned = 0.000627873 Jy ! Total flux subtracted in 200 components = 0.000627873 Jy ! Clean residual min=-0.000649 max=0.000728 Jy/beam ! Clean residual mean=0.000003 rms=0.000242 Jy/beam ! Combined flux in latest and established models = 0.0536372 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 221 components and 0.0536372 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=0.057510Jy sigma=0.571004 ! Fit after self-cal, rms=0.057501Jy sigma=0.570932 ! 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=0.057501Jy sigma=0.570932 ! Fit after self-cal, rms=0.058839Jy sigma=0.570790 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.577 mas, bmaj=35.84 mas, bpa=-20.21 degrees ! Estimated noise=2.10772 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000350092 Jy ! Component: 100 - total flux cleaned = -0.000332282 Jy ! Component: 150 - total flux cleaned = -0.000314625 Jy ! Component: 200 - total flux cleaned = -0.00028311 Jy ! Total flux subtracted in 200 components = -0.00028311 Jy ! Clean residual min=-0.000708 max=0.000672 Jy/beam ! Clean residual mean=0.000000 rms=0.000216 Jy/beam ! Combined flux in latest and established models = 0.0533541 Jy selfcal ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 248 components and 0.0533541 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=0.058809Jy sigma=0.570665 ! Fit after self-cal, rms=0.058865Jy sigma=0.570597 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 = -0.0001126 Jy ! Component: 100 - total flux cleaned = -7.82034e-05 Jy ! Component: 150 - total flux cleaned = -5.34668e-05 Jy ! Component: 200 - total flux cleaned = -4.27945e-05 Jy ! Total flux subtracted in 200 components = -4.27945e-05 Jy ! Clean residual min=-0.000700 max=0.000742 Jy/beam ! Clean residual mean=0.000002 rms=0.000221 Jy/beam ! Combined flux in latest and established models = 0.0533113 Jy ! Performing phase self-cal ! Adding 50 model components to the UV plane model. ! The established model now contains 287 components and 0.0533113 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=0.058850Jy sigma=0.570555 ! Fit after self-cal, rms=0.058846Jy sigma=0.570524 ! 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=0.058846Jy sigma=0.570524 ! Fit after self-cal, rms=0.059877Jy sigma=0.570466 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.945 mas, bmaj=34.2 mas, bpa=-20.03 degrees ! Estimated noise=2.06636 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000329326 Jy ! Component: 100 - total flux cleaned = -0.000407074 Jy ! Component: 150 - total flux cleaned = -0.00040631 Jy ! Component: 200 - total flux cleaned = -0.000416842 Jy ! Total flux subtracted in 200 components = -0.000416842 Jy ! Clean residual min=-0.000574 max=0.000558 Jy/beam ! Clean residual mean=0.000001 rms=0.000164 Jy/beam ! Combined flux in latest and established models = 0.0528944 Jy selfcal ! Performing phase self-cal ! Adding 47 model components to the UV plane model. ! The established model now contains 324 components and 0.0528944 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=0.059862Jy sigma=0.570426 ! Fit after self-cal, rms=0.059886Jy sigma=0.570394 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 = -0.000200802 Jy ! Component: 100 - total flux cleaned = -0.000315351 Jy ! Component: 150 - total flux cleaned = -0.000307034 Jy ! Component: 200 - total flux cleaned = -0.000299329 Jy ! Total flux subtracted in 200 components = -0.000299329 Jy ! Clean residual min=-0.000536 max=0.000589 Jy/beam ! Clean residual mean=0.000002 rms=0.000163 Jy/beam ! Combined flux in latest and established models = 0.0525951 Jy ! Performing phase self-cal ! Adding 54 model components to the UV plane model. ! The established model now contains 368 components and 0.0525951 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=0.059876Jy sigma=0.570389 ! Fit after self-cal, rms=0.059873Jy sigma=0.570369 ! Inverting map ! Added new window around map position (35, -31.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000296306 Jy ! Component: 100 - total flux cleaned = 0.000378431 Jy ! Component: 150 - total flux cleaned = 0.000347856 Jy ! Component: 200 - total flux cleaned = 0.000258184 Jy ! Total flux subtracted in 200 components = 0.000258184 Jy ! Clean residual min=-0.000740 max=0.000455 Jy/beam ! Clean residual mean=-0.000004 rms=0.000097 Jy/beam ! Combined flux in latest and established models = 0.0528533 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 408 components and 0.0528533 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=0.059848Jy sigma=0.570312 ! Fit after self-cal, rms=0.059849Jy sigma=0.570269 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000117045 Jy ! Component: 100 - total flux cleaned = 0.000211417 Jy ! Component: 150 - total flux cleaned = 0.000122734 Jy ! Component: 200 - total flux cleaned = 5.72164e-05 Jy ! Total flux subtracted in 200 components = 5.72164e-05 Jy ! Clean residual min=-0.000506 max=0.000324 Jy/beam ! Clean residual mean=-0.000002 rms=0.000077 Jy/beam ! Combined flux in latest and established models = 0.0529105 Jy ! Performing phase self-cal ! Adding 49 model components to the UV plane model. ! The established model now contains 451 components and 0.0529105 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=0.059834Jy sigma=0.570254 ! Fit after self-cal, rms=0.059836Jy sigma=0.570226 ! Inverting map ! Added new window around map position (8.8, 12). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000141333 Jy ! Component: 100 - total flux cleaned = 0.000214694 Jy ! Component: 150 - total flux cleaned = 0.000213723 Jy ! Component: 200 - total flux cleaned = 0.000212322 Jy ! Total flux subtracted in 200 components = 0.000212322 Jy ! Clean residual min=-0.000666 max=0.000496 Jy/beam ! Clean residual mean=0.000001 rms=0.000123 Jy/beam ! Combined flux in latest and established models = 0.0531228 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 475 components and 0.0531228 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=0.059822Jy sigma=0.570218 ! Fit after self-cal, rms=0.059826Jy sigma=0.570204 ! 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=2.585 mas, bmaj=35.83 mas, bpa=-20.2 degrees ! Estimated noise=2.11873 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.585 x 35.83 at -20.2 degrees (North through East) ! Clean map min=-0.0050954 max=0.049706 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=2.606 mas, bmaj=40.59 mas, bpa=-20.25 degrees ! Estimated noise=2.9214 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0457899 Jy ! Component: 100 - total flux cleaned = 0.0493519 Jy ! Component: 150 - total flux cleaned = 0.0413808 Jy ! Component: 200 - total flux cleaned = 0.0362588 Jy ! Total flux subtracted in 200 components = 0.0362588 Jy ! Clean residual min=-0.005649 max=0.004677 Jy/beam ! Clean residual mean=-0.000042 rms=0.001723 Jy/beam ! Combined flux in latest and established models = 0.0362588 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 52 model components to the UV plane model. ! The established model now contains 52 components and 0.0362588 Jy ! Inverting map and beam ! Estimated beam: bmin=2.585 mas, bmaj=35.83 mas, bpa=-20.2 degrees ! Estimated noise=2.11873 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 = -0.0013329 Jy ! Component: 100 - total flux cleaned = -0.00109521 Jy ! Component: 150 - total flux cleaned = -0.000511093 Jy ! Component: 200 - total flux cleaned = -0.000203664 Jy ! Total flux subtracted in 200 components = -0.000203664 Jy ! Clean residual min=-0.001944 max=0.002002 Jy/beam ! Clean residual mean=-0.000006 rms=0.000565 Jy/beam ! Combined flux in latest and established models = 0.0360551 Jy ! Adding 52 model components to the UV plane model. ! The established model now contains 103 components and 0.0360551 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=2.945 mas, bmaj=34.2 mas, bpa=-20.03 degrees ! Estimated noise=2.06636 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00014323 Jy ! Component: 100 - total flux cleaned = 0.000823306 Jy ! Component: 150 - total flux cleaned = 0.00128595 Jy ! Component: 200 - total flux cleaned = 0.00173224 Jy ! Total flux subtracted in 200 components = 0.00173224 Jy ! Clean residual min=-0.001056 max=0.001050 Jy/beam ! Clean residual mean=-0.000000 rms=0.000256 Jy/beam ! Combined flux in latest and established models = 0.0377874 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 = 0.000246438 Jy ! Component: 100 - total flux cleaned = 0.000204433 Jy ! Component: 150 - total flux cleaned = 0.000207824 Jy ! Component: 200 - total flux cleaned = 0.000222308 Jy ! Total flux subtracted in 200 components = 0.000222308 Jy ! Clean residual min=-0.001825 max=0.001609 Jy/beam ! Clean residual mean=0.000013 rms=0.000426 Jy/beam ! Combined flux in latest and established models = 0.0380097 Jy ! Adding 65 model components to the UV plane model. ! The established model now contains 165 components and 0.0380097 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.585 mas, bmaj=35.83 mas, bpa=-20.2 degrees ! Estimated noise=2.11873 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000476259 Jy ! Component: 100 - total flux cleaned = 0.000341106 Jy ! Component: 150 - total flux cleaned = 0.000366555 Jy ! Component: 200 - total flux cleaned = 0.000552013 Jy ! Total flux subtracted in 200 components = 0.000552013 Jy ! Clean residual min=-0.000652 max=0.000590 Jy/beam ! Clean residual mean=0.000003 rms=0.000173 Jy/beam ! Combined flux in latest and established models = 0.0385617 Jy selfcal ! Performing phase self-cal ! Adding 48 model components to the UV plane model. ! The established model now contains 213 components and 0.0385617 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=0.059893Jy sigma=0.570585 ! Fit after self-cal, rms=0.059845Jy sigma=0.570391 wmodel J2251-3827_X_map.mod ! Writing 213 model components to file: J2251-3827_X_map.mod wobs J2251-3827_X_uvs.fits ! Writing UV FITS file: J2251-3827_X_uvs.fits wwins J2251-3827_X_map.win ! wwins: Wrote 3 windows to J2251-3827_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 = -2.18393e-05 Jy ! Component: 100 - total flux cleaned = 5.49841e-05 Jy ! Component: 150 - total flux cleaned = 0.000115177 Jy ! Component: 200 - total flux cleaned = 0.000100465 Jy ! Component: 250 - total flux cleaned = 5.50693e-05 Jy ! Component: 300 - total flux cleaned = 5.52312e-05 Jy ! Component: 350 - total flux cleaned = 5.52381e-05 Jy ! Component: 400 - total flux cleaned = 6.46124e-05 Jy ! Component: 450 - total flux cleaned = 7.50998e-05 Jy ! Component: 500 - total flux cleaned = 8.62887e-05 Jy ! Component: 550 - total flux cleaned = 9.80439e-05 Jy ! Component: 600 - total flux cleaned = 0.000110863 Jy ! Component: 650 - total flux cleaned = 0.000124882 Jy ! Component: 700 - total flux cleaned = 0.000140136 Jy ! Component: 750 - total flux cleaned = 0.000175785 Jy ! Component: 800 - total flux cleaned = 0.000196212 Jy ! Component: 850 - total flux cleaned = 0.000218605 Jy ! Component: 900 - total flux cleaned = 0.000243328 Jy ! Component: 950 - total flux cleaned = 0.00026992 Jy ! Component: 1000 - total flux cleaned = 0.000298871 Jy ! Component: 1050 - total flux cleaned = 0.000364165 Jy ! Component: 1100 - total flux cleaned = 0.000401547 Jy ! Component: 1150 - total flux cleaned = 0.000442781 Jy ! Component: 1200 - total flux cleaned = 0.000487585 Jy ! Component: 1250 - total flux cleaned = 0.000586462 Jy ! Component: 1300 - total flux cleaned = 0.000642618 Jy ! Component: 1350 - total flux cleaned = 0.000703802 Jy ! Component: 1400 - total flux cleaned = 0.000772112 Jy ! Component: 1450 - total flux cleaned = 0.000845615 Jy ! Component: 1500 - total flux cleaned = 0.00092466 Jy ! Component: 1550 - total flux cleaned = 0.00110562 Jy ! Component: 1600 - total flux cleaned = 0.00120846 Jy ! Component: 1650 - total flux cleaned = 0.00132289 Jy ! Component: 1700 - total flux cleaned = 0.00144537 Jy ! Component: 1750 - total flux cleaned = 0.00157801 Jy ! Component: 1800 - total flux cleaned = 0.00172493 Jy ! Component: 1850 - total flux cleaned = 0.00188508 Jy ! Component: 1900 - total flux cleaned = 0.00225103 Jy ! Component: 1950 - total flux cleaned = 0.00246446 Jy ! Component: 2000 - total flux cleaned = 0.00270014 Jy ! Component: 2050 - total flux cleaned = 0.00296056 Jy ! Component: 2100 - total flux cleaned = 0.00325367 Jy ! Component: 2150 - total flux cleaned = 0.00357461 Jy ! Component: 2200 - total flux cleaned = 0.00393074 Jy ! Component: 2250 - total flux cleaned = 0.00432619 Jy ! Component: 2300 - total flux cleaned = 0.00476253 Jy ! Component: 2350 - total flux cleaned = 0.0052451 Jy ! Component: 2400 - total flux cleaned = 0.00577736 Jy ! Component: 2450 - total flux cleaned = 0.00635813 Jy ! Component: 2500 - total flux cleaned = 0.00700947 Jy ! Component: 2550 - total flux cleaned = 0.00773422 Jy ! Component: 2600 - total flux cleaned = 0.00854309 Jy ! Component: 2650 - total flux cleaned = 0.0094346 Jy ! Component: 2700 - total flux cleaned = 0.0104223 Jy ! Component: 2750 - total flux cleaned = 0.0104479 Jy ! Component: 2800 - total flux cleaned = 0.0127246 Jy ! Component: 2850 - total flux cleaned = 0.0140827 Jy ! Component: 2900 - total flux cleaned = 0.014101 Jy ! Component: 2950 - total flux cleaned = 0.0172612 Jy ! Component: 3000 - total flux cleaned = 0.0172699 Jy ! Component: 3050 - total flux cleaned = 0.0211243 Jy ! Component: 3100 - total flux cleaned = 0.0211478 Jy ! Component: 3150 - total flux cleaned = 0.0233675 Jy ! Component: 3200 - total flux cleaned = 0.0258783 Jy ! Component: 3250 - total flux cleaned = 0.028604 Jy ! Component: 3300 - total flux cleaned = 0.0350067 Jy ! Component: 3350 - total flux cleaned = 0.0350654 Jy ! Component: 3400 - total flux cleaned = 0.0387547 Jy ! Component: 3450 - total flux cleaned = 0.0429557 Jy ! Component: 3500 - total flux cleaned = 0.0474984 Jy ! Component: 3550 - total flux cleaned = 0.0582168 Jy ! Component: 3600 - total flux cleaned = 0.0582386 Jy ! Component: 3650 - total flux cleaned = 0.0643739 Jy ! Component: 3700 - total flux cleaned = 0.0714097 Jy ! Component: 3750 - total flux cleaned = 0.0789628 Jy ! Component: 3800 - total flux cleaned = 0.0965684 Jy ! Component: 3850 - total flux cleaned = 0.0967342 Jy ! Component: 3900 - total flux cleaned = 0.10695 Jy ! Component: 3950 - total flux cleaned = 0.118445 Jy ! Component: 4000 - total flux cleaned = 0.130974 Jy ! Component: 4050 - total flux cleaned = 0.145394 Jy ! Total flux subtracted in 4096 components = 0.160619 Jy ! Clean residual min=-0.825416 max=0.865538 Jy/beam ! Clean residual mean=0.004825 rms=0.223217 Jy/beam ! Combined flux in latest and established models = 0.19918 Jy keep ! Adding 37 model components to the UV plane model. ! The established model now contains 249 components and 0.19918 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap .//J2251-3827_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.585 x 35.83 at -20.2 degrees (North through East) ! Clean map min=-1.4947 max=0.99029 Jy/beam ! Writing clean map to FITS file: .//J2251-3827_X_map.fits wmodel .//J2251-3827_X_map.mod ! Writing 249 model components to file: .//J2251-3827_X_map.mod wobs .//J2251-3827_X_uvs.fits ! Writing UV FITS file: .//J2251-3827_X_uvs.fits wwins .//J2251-3827_X_map.win ! wwins: Wrote 4 windows to .//J2251-3827_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.990289 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.240451 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -72.8426 72.8426 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.7213 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.99 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 4.118 quit ! Quitting program ! Log file .//J2251-3827_X_dfm.log closed on Mon Jan 20 19:23:12 2020