! Started logfile: .//J1304+2454_X_dfm.log on Mon Jan 20 18:06:29 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 .//J1304+2454_X_uva.fits ! Reading UV FITS file: .//J1304+2454_X_uva.fits ! AN table 1: 92 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.995652 visibilities/baseline/integration-bin. ! Found source: J1304+2454 ! ! 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 94 lines of history. ! ! Reading 32976 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 J1304+2454_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 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.000903Jy sigma=20.389107 ! Fit after self-cal, rms=0.983946Jy sigma=20.041529 ! 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=0.7528 mas, bmaj=2.165 mas, bpa=16.06 degrees ! Estimated noise=0.516288 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 = 0.0131172 Jy ! Component: 100 - total flux cleaned = 0.01603 Jy ! Total flux subtracted in 100 components = 0.01603 Jy ! Clean residual min=-0.001566 max=0.001665 Jy/beam ! Clean residual mean=-0.000003 rms=0.000397 Jy/beam ! Combined flux in latest and established models = 0.01603 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.01603 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=0.035520Jy sigma=0.710977 ! Fit after self-cal, rms=0.033717Jy sigma=0.674067 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00382766 Jy ! Component: 100 - total flux cleaned = 0.00475553 Jy ! Total flux subtracted in 100 components = 0.00475553 Jy ! Clean residual min=-0.001218 max=0.001380 Jy/beam ! Clean residual mean=-0.000002 rms=0.000329 Jy/beam ! Combined flux in latest and established models = 0.0207855 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 8 components and 0.0207855 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=0.033359Jy sigma=0.666576 ! Fit after self-cal, rms=0.033357Jy sigma=0.666474 ! 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=0.9909 mas, bmaj=2.347 mas, bpa=14.48 degrees ! Estimated noise=0.192649 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 = 0.000795667 Jy ! Component: 100 - total flux cleaned = 0.00094016 Jy ! Component: 150 - total flux cleaned = 0.0010595 Jy ! Component: 200 - total flux cleaned = 0.00111731 Jy ! Total flux subtracted in 200 components = 0.00111731 Jy ! Clean residual min=-0.000990 max=0.000986 Jy/beam ! Clean residual mean=-0.000002 rms=0.000236 Jy/beam ! Combined flux in latest and established models = 0.0219028 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 18 components and 0.0219028 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=0.033330Jy sigma=0.665941 ! Fit after self-cal, rms=0.033326Jy sigma=0.665791 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9909 x 2.347 at 14.48 degrees (North through East) ! Clean map min=-0.0010359 max=0.020632 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.95 HN 1.11 KP 0.91 ! LA 1.03 MK 1.03 NL 1.01 OV 1.20 ! PT 0.84 SC 0.92 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.07 HN 1.01 KP 1.10 ! LA 0.98 MK 1.07 NL 1.02 OV 1.05 ! PT 0.92 SC 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.83 HN 1.01 KP 1.09 ! LA 1.01 MK 1.04 NL 0.97 OV 1.23 ! PT 0.96 SC 1.04 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 0.95 HN 0.99 KP 1.04 ! LA 0.94 MK 1.00 NL 1.05 OV 1.19 ! PT 0.91 SC 0.96 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.85 HN 1.03 KP 0.90 ! LA 0.99 MK 1.10 NL 0.95 OV 1.23 ! PT 0.93 SC 0.96 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.84 HN 0.99 KP 1.00 ! LA 0.98 MK 0.93 NL 1.03 OV 1.20 ! PT 0.85 SC 0.94 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.83 HN 0.95 KP 1.07 ! LA 0.98 MK 1.06 NL 0.95 OV 1.20 ! PT 0.91 SC 0.88 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.94 HN 0.96 KP 1.10 ! LA 1.06 MK 1.04 NL 1.09 OV 1.17 ! PT 0.77 SC 0.89 ! ! ! Fit before self-cal, rms=0.033326Jy sigma=0.665791 ! Fit after self-cal, rms=0.033410Jy sigma=0.663261 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.988 mas, bmaj=2.352 mas, bpa=14.93 degrees ! Estimated noise=0.191569 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 = 0.000235426 Jy ! Component: 100 - total flux cleaned = 0.000170389 Jy ! Component: 150 - total flux cleaned = 0.000103784 Jy ! Component: 200 - total flux cleaned = 9.14712e-05 Jy ! Total flux subtracted in 200 components = 9.14712e-05 Jy ! Clean residual min=-0.000529 max=0.000545 Jy/beam ! Clean residual mean=0.000001 rms=0.000130 Jy/beam ! Combined flux in latest and established models = 0.0219943 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 28 components and 0.0219943 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=0.033404Jy sigma=0.663117 ! Fit after self-cal, rms=0.033478Jy sigma=0.662327 ! 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=0.033478Jy sigma=0.662327 ! Fit after self-cal, rms=0.033827Jy sigma=0.662171 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9843 mas, bmaj=2.354 mas, bpa=15.05 degrees ! Estimated noise=0.191723 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000261099 Jy ! Component: 100 - total flux cleaned = 0.000200527 Jy ! Component: 150 - total flux cleaned = 0.000152338 Jy ! Component: 200 - total flux cleaned = 0.000127364 Jy ! Total flux subtracted in 200 components = 0.000127364 Jy ! Clean residual min=-0.000515 max=0.000542 Jy/beam ! Clean residual mean=0.000001 rms=0.000129 Jy/beam ! Combined flux in latest and established models = 0.0221216 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 31 components and 0.0221217 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=0.033822Jy sigma=0.662070 ! Fit after self-cal, rms=0.033851Jy sigma=0.661894 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 (23.8, 9.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000177994 Jy ! Component: 100 - total flux cleaned = 0.000189572 Jy ! Component: 150 - total flux cleaned = 0.000188907 Jy ! Component: 200 - total flux cleaned = 0.000188709 Jy ! Total flux subtracted in 200 components = 0.000188709 Jy ! Clean residual min=-0.000458 max=0.000568 Jy/beam ! Clean residual mean=0.000001 rms=0.000122 Jy/beam ! Combined flux in latest and established models = 0.0223104 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 46 components and 0.0223104 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=0.033840Jy sigma=0.661695 ! Fit after self-cal, rms=0.033841Jy sigma=0.661637 ! Inverting map ! Added new window around map position (-23.2, -2.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000316799 Jy ! Component: 100 - total flux cleaned = 0.000260337 Jy ! Component: 150 - total flux cleaned = 0.000237889 Jy ! Component: 200 - total flux cleaned = 0.00022714 Jy ! Total flux subtracted in 200 components = 0.00022714 Jy ! Clean residual min=-0.000467 max=0.000414 Jy/beam ! Clean residual mean=0.000001 rms=0.000113 Jy/beam ! Combined flux in latest and established models = 0.0225375 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 61 components and 0.0225375 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=0.033830Jy sigma=0.661394 ! Fit after self-cal, rms=0.033823Jy sigma=0.661270 ! 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=0.033823Jy sigma=0.661270 ! Fit after self-cal, rms=0.033891Jy sigma=0.661233 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9786 mas, bmaj=2.349 mas, bpa=15.11 degrees ! Estimated noise=0.191625 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000275898 Jy ! Component: 100 - total flux cleaned = 0.000286609 Jy ! Component: 150 - total flux cleaned = 0.000307839 Jy ! Component: 200 - total flux cleaned = 0.000336216 Jy ! Total flux subtracted in 200 components = 0.000336216 Jy ! Clean residual min=-0.000451 max=0.000402 Jy/beam ! Clean residual mean=0.000001 rms=0.000109 Jy/beam ! Combined flux in latest and established models = 0.0228737 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 65 components and 0.0228737 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=0.033884Jy sigma=0.661089 ! Fit after self-cal, rms=0.033892Jy sigma=0.661040 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 = 0.000120076 Jy ! Component: 100 - total flux cleaned = 0.000119343 Jy ! Component: 150 - total flux cleaned = 0.000145183 Jy ! Component: 200 - total flux cleaned = 0.000169036 Jy ! Total flux subtracted in 200 components = 0.000169036 Jy ! Clean residual min=-0.000440 max=0.000406 Jy/beam ! Clean residual mean=0.000001 rms=0.000107 Jy/beam ! Combined flux in latest and established models = 0.0230428 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 73 components and 0.0230428 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=0.033887Jy sigma=0.660949 ! Fit after self-cal, rms=0.033887Jy sigma=0.660933 ! 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=0.033887Jy sigma=0.660933 ! Fit after self-cal, rms=0.034032Jy sigma=0.660917 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.003 mas, bmaj=2.998 mas, bpa=4.392 degrees ! Estimated noise=0.242918 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000259052 Jy ! Component: 100 - total flux cleaned = 0.000321307 Jy ! Component: 150 - total flux cleaned = 0.000375281 Jy ! Component: 200 - total flux cleaned = 0.000412228 Jy ! Total flux subtracted in 200 components = 0.000412228 Jy ! Clean residual min=-0.000502 max=0.000476 Jy/beam ! Clean residual mean=0.000001 rms=0.000125 Jy/beam ! Combined flux in latest and established models = 0.023455 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 85 components and 0.023455 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=0.034029Jy sigma=0.660886 ! Fit after self-cal, rms=0.034032Jy sigma=0.660843 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 = 0.000119233 Jy ! Component: 100 - total flux cleaned = 0.000163381 Jy ! Component: 150 - total flux cleaned = 0.000180513 Jy ! Component: 200 - total flux cleaned = 0.000185863 Jy ! Total flux subtracted in 200 components = 0.000185863 Jy ! Clean residual min=-0.000504 max=0.000476 Jy/beam ! Clean residual mean=0.000001 rms=0.000124 Jy/beam ! Combined flux in latest and established models = 0.0236409 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 90 components and 0.0236409 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=0.034031Jy sigma=0.660831 ! Fit after self-cal, rms=0.034032Jy sigma=0.660802 ! 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=0.9745 mas, bmaj=2.345 mas, bpa=15.16 degrees ! Estimated noise=0.19223 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9745 x 2.345 at 15.16 degrees (North through East) ! Clean map min=-0.00057012 max=0.020488 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=0.7423 mas, bmaj=2.183 mas, bpa=16.54 degrees ! Estimated noise=0.508515 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0156802 Jy ! Component: 100 - total flux cleaned = 0.0194156 Jy ! Component: 150 - total flux cleaned = 0.0212011 Jy ! Component: 200 - total flux cleaned = 0.0217393 Jy ! Total flux subtracted in 200 components = 0.0217393 Jy ! Clean residual min=-0.001345 max=0.001457 Jy/beam ! Clean residual mean=-0.000000 rms=0.000321 Jy/beam ! Combined flux in latest and established models = 0.0217393 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 13 model components to the UV plane model. ! The established model now contains 13 components and 0.0217393 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9745 mas, bmaj=2.345 mas, bpa=15.16 degrees ! Estimated noise=0.19223 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 = 0.000886667 Jy ! Component: 100 - total flux cleaned = 0.000943856 Jy ! Component: 150 - total flux cleaned = 0.000966426 Jy ! Component: 200 - total flux cleaned = 0.00102393 Jy ! Total flux subtracted in 200 components = 0.00102393 Jy ! Clean residual min=-0.000536 max=0.000514 Jy/beam ! Clean residual mean=0.000001 rms=0.000134 Jy/beam ! Combined flux in latest and established models = 0.0227632 Jy ! Adding 17 model components to the UV plane model. ! The established model now contains 29 components and 0.0227632 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=2.003 mas, bmaj=2.998 mas, bpa=4.392 degrees ! Estimated noise=0.242918 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000350914 Jy ! Component: 100 - total flux cleaned = 0.000509252 Jy ! Component: 150 - total flux cleaned = 0.000600008 Jy ! Component: 200 - total flux cleaned = 0.000660086 Jy ! Total flux subtracted in 200 components = 0.000660086 Jy ! Clean residual min=-0.000556 max=0.000564 Jy/beam ! Clean residual mean=0.000002 rms=0.000139 Jy/beam ! Combined flux in latest and established models = 0.0234233 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 = 2.70188e-05 Jy ! Component: 100 - total flux cleaned = 5.99482e-05 Jy ! Component: 150 - total flux cleaned = 9.66135e-05 Jy ! Component: 200 - total flux cleaned = 0.000122718 Jy ! Total flux subtracted in 200 components = 0.000122718 Jy ! Clean residual min=-0.000524 max=0.000533 Jy/beam ! Clean residual mean=0.000001 rms=0.000129 Jy/beam ! Combined flux in latest and established models = 0.023546 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 50 components and 0.023546 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9745 mas, bmaj=2.345 mas, bpa=15.16 degrees ! Estimated noise=0.19223 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.73599e-05 Jy ! Component: 100 - total flux cleaned = 6.68625e-05 Jy ! Component: 150 - total flux cleaned = 5.50513e-05 Jy ! Component: 200 - total flux cleaned = 2.29252e-05 Jy ! Total flux subtracted in 200 components = 2.29252e-05 Jy ! Clean residual min=-0.000471 max=0.000437 Jy/beam ! Clean residual mean=0.000000 rms=0.000110 Jy/beam ! Combined flux in latest and established models = 0.023569 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 64 components and 0.023569 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=0.034037Jy sigma=0.660915 ! Fit after self-cal, rms=0.034030Jy sigma=0.660843 wmodel J1304+2454_X_map.mod ! Writing 64 model components to file: J1304+2454_X_map.mod wobs J1304+2454_X_uvs.fits ! Writing UV FITS file: J1304+2454_X_uvs.fits wwins J1304+2454_X_map.win ! wwins: Wrote 3 windows to J1304+2454_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 = -0.000127941 Jy ! Component: 100 - total flux cleaned = -0.000236286 Jy ! Component: 150 - total flux cleaned = -0.000309454 Jy ! Component: 200 - total flux cleaned = -0.000379347 Jy ! Component: 250 - total flux cleaned = -0.000433364 Jy ! Component: 300 - total flux cleaned = -0.000479451 Jy ! Component: 350 - total flux cleaned = -0.000556218 Jy ! Component: 400 - total flux cleaned = -0.000599844 Jy ! Component: 450 - total flux cleaned = -0.000618235 Jy ! Component: 500 - total flux cleaned = -0.000648213 Jy ! Component: 550 - total flux cleaned = -0.000660007 Jy ! Component: 600 - total flux cleaned = -0.000683099 Jy ! Component: 650 - total flux cleaned = -0.000700017 Jy ! Component: 700 - total flux cleaned = -0.000722152 Jy ! Component: 750 - total flux cleaned = -0.000722123 Jy ! Component: 800 - total flux cleaned = -0.000743686 Jy ! Component: 850 - total flux cleaned = -0.0007596 Jy ! Component: 900 - total flux cleaned = -0.000790956 Jy ! Component: 950 - total flux cleaned = -0.000811544 Jy ! Component: 1000 - total flux cleaned = -0.000821668 Jy ! Component: 1050 - total flux cleaned = -0.000841736 Jy ! Component: 1100 - total flux cleaned = -0.000856566 Jy ! Component: 1150 - total flux cleaned = -0.000875996 Jy ! Component: 1200 - total flux cleaned = -0.000880854 Jy ! Component: 1250 - total flux cleaned = -0.000904809 Jy ! Component: 1300 - total flux cleaned = -0.000918926 Jy ! Component: 1350 - total flux cleaned = -0.000932914 Jy ! Component: 1400 - total flux cleaned = -0.000937458 Jy ! Component: 1450 - total flux cleaned = -0.000951016 Jy ! Component: 1500 - total flux cleaned = -0.000942077 Jy ! Component: 1550 - total flux cleaned = -0.000968808 Jy ! Component: 1600 - total flux cleaned = -0.00097327 Jy ! Component: 1650 - total flux cleaned = -0.000986364 Jy ! Component: 1700 - total flux cleaned = -0.000995029 Jy ! Component: 1750 - total flux cleaned = -0.0010164 Jy ! Component: 1800 - total flux cleaned = -0.00101643 Jy ! Component: 1850 - total flux cleaned = -0.00103327 Jy ! Component: 1900 - total flux cleaned = -0.00104997 Jy ! Component: 1950 - total flux cleaned = -0.00106645 Jy ! Component: 2000 - total flux cleaned = -0.00107467 Jy ! Component: 2050 - total flux cleaned = -0.00108281 Jy ! Component: 2100 - total flux cleaned = -0.00109089 Jy ! Component: 2150 - total flux cleaned = -0.0010989 Jy ! Component: 2200 - total flux cleaned = -0.00109888 Jy ! Component: 2250 - total flux cleaned = -0.00111072 Jy ! Component: 2300 - total flux cleaned = -0.00112632 Jy ! Component: 2350 - total flux cleaned = -0.0011224 Jy ! Component: 2400 - total flux cleaned = -0.00113395 Jy ! Component: 2450 - total flux cleaned = -0.00114546 Jy ! Component: 2500 - total flux cleaned = -0.00114929 Jy ! Component: 2550 - total flux cleaned = -0.00116065 Jy ! Component: 2600 - total flux cleaned = -0.00116066 Jy ! Component: 2650 - total flux cleaned = -0.00116439 Jy ! Component: 2700 - total flux cleaned = -0.00118668 Jy ! Component: 2750 - total flux cleaned = -0.00120142 Jy ! Component: 2800 - total flux cleaned = -0.00119038 Jy ! Component: 2850 - total flux cleaned = -0.00119406 Jy ! Component: 2900 - total flux cleaned = -0.00121586 Jy ! Component: 2950 - total flux cleaned = -0.00123028 Jy ! Component: 3000 - total flux cleaned = -0.0012303 Jy ! Component: 3050 - total flux cleaned = -0.00125171 Jy ! Component: 3100 - total flux cleaned = -0.00124108 Jy ! Component: 3150 - total flux cleaned = -0.00126227 Jy ! Component: 3200 - total flux cleaned = -0.0012868 Jy ! Component: 3250 - total flux cleaned = -0.00129026 Jy ! Component: 3300 - total flux cleaned = -0.00127985 Jy ! Component: 3350 - total flux cleaned = -0.00130751 Jy ! Component: 3400 - total flux cleaned = -0.00131093 Jy ! Component: 3450 - total flux cleaned = -0.00132808 Jy ! Component: 3500 - total flux cleaned = -0.00135877 Jy ! Component: 3550 - total flux cleaned = -0.00135538 Jy ! Component: 3600 - total flux cleaned = -0.00136213 Jy ! Component: 3650 - total flux cleaned = -0.00138564 Jy ! Component: 3700 - total flux cleaned = -0.00138895 Jy ! Component: 3750 - total flux cleaned = -0.00139897 Jy ! Component: 3800 - total flux cleaned = -0.00142216 Jy ! Component: 3850 - total flux cleaned = -0.00141887 Jy ! Component: 3900 - total flux cleaned = -0.00143531 Jy ! Component: 3950 - total flux cleaned = -0.00144513 Jy ! Component: 4000 - total flux cleaned = -0.00146142 Jy ! Component: 4050 - total flux cleaned = -0.00148085 Jy ! Total flux subtracted in 4096 components = -0.00148407 Jy ! Clean residual min=-0.000175 max=0.000176 Jy/beam ! Clean residual mean=-0.000000 rms=0.000054 Jy/beam ! Combined flux in latest and established models = 0.0220849 Jy keep ! Adding 270 model components to the UV plane model. ! The established model now contains 334 components and 0.0220849 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap .//J1304+2454_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9745 x 2.345 at 15.16 degrees (North through East) ! Clean map min=-0.00049941 max=0.020325 Jy/beam ! Writing clean map to FITS file: .//J1304+2454_X_map.fits wmodel .//J1304+2454_X_map.mod ! Writing 334 model components to file: .//J1304+2454_X_map.mod wobs .//J1304+2454_X_uvs.fits ! Writing UV FITS file: .//J1304+2454_X_uvs.fits wwins .//J1304+2454_X_map.win ! wwins: Wrote 4 windows to .//J1304+2454_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0203247 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 5.2314e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.772173 0.772173 1.54435 3.08869 6.17739 12.3548 24.7095 49.4191 98.8382 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.02 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 388.513 quit ! Quitting program ! Log file .//J1304+2454_X_dfm.log closed on Mon Jan 20 18:06:33 2020