! Started logfile: /vlbi/sb072/temp_maps//J1741-3123_C_dfm.log on Tue Mar 5 23:24:45 2019 float field_size field_size = 1024 float field_cell field_cell = 0.3000 float taper_size taper_size = 40.0 float freq freq = 4.12800 obs /vlbi/sb072/temp_maps//J1741-3123_C_uvm.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J1741-3123_C_uvm.fits ! AN table 1: 23 integrations on 10 of 10 possible baselines. ! AN table 2: 23 integrations on 3 of 3 possible baselines. ! AN table 3: 23 integrations on 1 of 1 possible baselines. ! AN table 4: 23 integrations on 3 of 3 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1741-3123 ! ! There are 8 IFs, and a total of 8 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 4.128e+09 3.2e+07 1 3.2e+07 ! 02 2 4.16e+09 3.2e+07 1 3.2e+07 ! 03 3 4.192e+09 3.2e+07 1 3.2e+07 ! 04 4 4.224e+09 3.2e+07 1 3.2e+07 ! 05 5 4.416e+09 3.2e+07 1 3.2e+07 ! 06 6 4.512e+09 3.2e+07 1 3.2e+07 ! 07 7 4.544e+09 3.2e+07 1 3.2e+07 ! 08 8 4.576e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 94 lines of history. ! ! Reading 3128 visibilities. select rr, 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ! Restricting channel ranges to the available 8 channels. ! Selecting polarization: RR, channels: 1..8 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ! Reading IF 5 channels: 5..5 ! Reading IF 6 channels: 6..6 ! Reading IF 7 channels: 7..7 ! Reading IF 8 channels: 8..8 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.3 print "taper_size =", taper_size ! taper_size = 40 ![@/opt64/bin/pima_mupet_01.dfm J1741-3123_C] float lim_self lim_self = 120.0 float lim_val lim_va = 1.2 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff print "===============================================================" ! =============================================================== ! print "=== Difmap script: pima_mupet_01.dvm version of 2016.05.19 === " ! === Difmap script: pima_mupet_01.dvm version of 2016.05.19 === ! mapsize field_size, field_cell ! Map grid = 1024x1024 pixels with 0.300x0.300 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 46 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 46 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 46 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 46 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 5. ! A total of 46 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 6. ! A total of 46 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 7. ! A total of 46 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 8. ! A total of 46 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.999801Jy sigma=32.506696 ! Fit after self-cal, rms=0.987609Jy sigma=32.608976 ! 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=8.566 mas, bmaj=40.84 mas, bpa=-12.81 degrees ! Estimated noise=0.700693 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 = 0.00928243 Jy ! Component: 100 - total flux cleaned = 0.0116427 Jy ! Total flux subtracted in 100 components = 0.0116427 Jy ! Clean residual min=-0.001559 max=0.001573 Jy/beam ! Clean residual mean=-0.000033 rms=0.000672 Jy/beam ! Combined flux in latest and established models = 0.0116427 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 34 components and 0.0116427 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=0.018256Jy sigma=0.559378 ! Fit after self-cal, rms=0.017115Jy sigma=0.516601 ! 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=10.96 mas, bmaj=38.94 mas, bpa=-12.86 degrees ! Estimated noise=0.407998 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 = 0.00345822 Jy ! Component: 100 - total flux cleaned = 0.00386444 Jy ! Component: 150 - total flux cleaned = 0.00378025 Jy ! Component: 200 - total flux cleaned = 0.00355251 Jy ! Total flux subtracted in 200 components = 0.00355251 Jy ! Clean residual min=-0.000564 max=0.000560 Jy/beam ! Clean residual mean=-0.000001 rms=0.000295 Jy/beam ! Combined flux in latest and established models = 0.0151952 Jy ! Performing phase self-cal ! Adding 133 model components to the UV plane model. ! The established model now contains 166 components and 0.0151952 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=0.016495Jy sigma=0.489685 ! Fit after self-cal, rms=0.016514Jy sigma=0.488822 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 10.96 x 38.94 at -12.86 degrees (North through East) ! Clean map min=-0.0013672 max=0.014707 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 1.85 KP 1.54 LA 0.50 OV 1.27 ! PT 1.96 ! ! A total of 69 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 0.00* LA 0.00* PT 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* OV 0.00* ! ! A total of 69 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! KP 0.00* LA 0.00* PT 0.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 1.60 KP 1.53 LA 0.56 OV 1.24 ! PT 1.69 ! ! A total of 69 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 0.00* LA 0.00* PT 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* OV 0.00* ! ! A total of 69 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! KP 0.00* LA 0.00* PT 0.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 1.05 KP 0.95 LA 1.18 OV 0.94 ! PT 0.91 ! ! A total of 69 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 0.00* LA 0.00* PT 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* OV 0.00* ! ! A total of 69 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! KP 0.00* LA 0.00* PT 0.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 1.33 KP 1.18 LA 1.03 OV 0.98 ! PT 0.93 ! ! A total of 69 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 0.00* LA 0.00* PT 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* OV 0.00* ! ! A total of 69 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! KP 0.00* LA 0.00* PT 0.00* ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 1.16 KP 0.98 LA 1.00 OV 0.96 ! PT 1.00 ! ! A total of 69 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 0.00* LA 0.00* PT 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* OV 0.00* ! ! A total of 69 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! KP 0.00* LA 0.00* PT 0.00* ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 0.95 KP 1.12 LA 1.07 OV 1.00 ! PT 0.99 ! ! A total of 69 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 0.00* LA 0.00* PT 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* OV 0.00* ! ! A total of 69 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! KP 0.00* LA 0.00* PT 0.00* ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 0.93 KP 1.11 LA 1.12 OV 0.91 ! PT 0.99 ! ! A total of 69 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 0.00* LA 0.00* PT 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* OV 0.00* ! ! A total of 69 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! KP 0.00* LA 0.00* PT 0.00* ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 1.14 KP 1.18 LA 0.92 OV 0.93 ! PT 1.11 ! ! A total of 69 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 0.00* LA 0.00* PT 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.00* OV 0.00* ! ! A total of 69 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! KP 0.00* LA 0.00* PT 0.00* ! ! ! Fit before self-cal, rms=0.016514Jy sigma=0.488822 ! Fit after self-cal, rms=0.027589Jy sigma=0.452016 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=8.883 mas, bmaj=35.29 mas, bpa=-12.7 degrees ! Estimated noise=0.58087 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 = 0.000165315 Jy ! Component: 100 - total flux cleaned = 0.000416062 Jy ! Component: 150 - total flux cleaned = 0.000536439 Jy ! Component: 200 - total flux cleaned = 0.000560472 Jy ! Total flux subtracted in 200 components = 0.000560472 Jy ! Clean residual min=-0.000192 max=0.000193 Jy/beam ! Clean residual mean=0.000002 rms=0.000086 Jy/beam ! Combined flux in latest and established models = 0.0157557 Jy ! Performing phase self-cal ! Adding 110 model components to the UV plane model. ! The established model now contains 276 components and 0.0157557 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=0.027577Jy sigma=0.450712 ! Fit after self-cal, rms=0.027979Jy sigma=0.449309 ! 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=0.027979Jy sigma=0.449309 ! Fit after self-cal, rms=0.038790Jy sigma=0.448871 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.864 mas, bmaj=35.35 mas, bpa=-12.66 degrees ! Estimated noise=0.579118 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000113523 Jy ! Component: 100 - total flux cleaned = 0.000234325 Jy ! Component: 150 - total flux cleaned = 0.000249578 Jy ! Component: 200 - total flux cleaned = 0.000205098 Jy ! Total flux subtracted in 200 components = 0.000205098 Jy ! Clean residual min=-0.000178 max=0.000178 Jy/beam ! Clean residual mean=0.000002 rms=0.000074 Jy/beam ! Combined flux in latest and established models = 0.0159608 Jy selfcal ! Performing phase self-cal ! Adding 105 model components to the UV plane model. ! The established model now contains 378 components and 0.0159608 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=0.038773Jy sigma=0.447993 ! Fit after self-cal, rms=0.038864Jy sigma=0.447246 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 = 0.000144443 Jy ! Component: 100 - total flux cleaned = 0.000231757 Jy ! Component: 150 - total flux cleaned = 0.000206908 Jy ! Component: 200 - total flux cleaned = 0.000170309 Jy ! Total flux subtracted in 200 components = 0.000170309 Jy ! Clean residual min=-0.000182 max=0.000181 Jy/beam ! Clean residual mean=0.000003 rms=0.000082 Jy/beam ! Combined flux in latest and established models = 0.0161311 Jy ! Performing phase self-cal ! Adding 103 model components to the UV plane model. ! The established model now contains 475 components and 0.0161311 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=0.038841Jy sigma=0.446556 ! Fit after self-cal, rms=0.038851Jy sigma=0.446249 ! 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=0.038851Jy sigma=0.446249 ! Fit after self-cal, rms=0.047909Jy sigma=0.446035 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=8.845 mas, bmaj=35.38 mas, bpa=-12.58 degrees ! Estimated noise=0.584881 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.89583e-05 Jy ! Component: 100 - total flux cleaned = 0.000161177 Jy ! Component: 150 - total flux cleaned = 0.000224192 Jy ! Component: 200 - total flux cleaned = 0.000224996 Jy ! Total flux subtracted in 200 components = 0.000224996 Jy ! Clean residual min=-0.000161 max=0.000160 Jy/beam ! Clean residual mean=0.000003 rms=0.000075 Jy/beam ! Combined flux in latest and established models = 0.0163561 Jy selfcal ! Performing phase self-cal ! Adding 88 model components to the UV plane model. ! The established model now contains 555 components and 0.0163561 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=0.047900Jy sigma=0.445452 ! Fit after self-cal, rms=0.047933Jy sigma=0.445212 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 = 0.000129954 Jy ! Component: 100 - total flux cleaned = 0.000209249 Jy ! Component: 150 - total flux cleaned = 0.00018853 Jy ! Component: 200 - total flux cleaned = 0.000218294 Jy ! Total flux subtracted in 200 components = 0.000218294 Jy ! Clean residual min=-0.000159 max=0.000160 Jy/beam ! Clean residual mean=0.000003 rms=0.000072 Jy/beam ! Combined flux in latest and established models = 0.0165744 Jy ! Performing phase self-cal ! Adding 90 model components to the UV plane model. ! The established model now contains 638 components and 0.0165744 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=0.047924Jy sigma=0.444859 ! Fit after self-cal, rms=0.047930Jy sigma=0.444742 ! Inverting map ! Added new window around map position (-56.7, 7.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -9.51118e-05 Jy ! Component: 100 - total flux cleaned = -0.000183282 Jy ! Component: 150 - total flux cleaned = -0.000202001 Jy ! Component: 200 - total flux cleaned = -0.000202067 Jy ! Total flux subtracted in 200 components = -0.000202067 Jy ! Clean residual min=-0.000253 max=0.000256 Jy/beam ! Clean residual mean=0.000002 rms=0.000081 Jy/beam ! Combined flux in latest and established models = 0.0163723 Jy ! Performing phase self-cal ! Adding 86 model components to the UV plane model. ! The established model now contains 721 components and 0.0163724 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=0.047931Jy sigma=0.444580 ! Fit after self-cal, rms=0.047932Jy sigma=0.444485 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.047932Jy sigma=0.444485 ! Fit after self-cal, rms=0.055996Jy sigma=0.444309 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=9.042 mas, bmaj=35.27 mas, bpa=-12.71 degrees ! Estimated noise=0.593001 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000194211 Jy ! Component: 100 - total flux cleaned = -0.000352057 Jy ! Component: 150 - total flux cleaned = -0.000427964 Jy ! Component: 200 - total flux cleaned = -0.000503624 Jy ! Total flux subtracted in 200 components = -0.000503624 Jy ! Clean residual min=-0.000276 max=0.000269 Jy/beam ! Clean residual mean=0.000002 rms=0.000078 Jy/beam ! Combined flux in latest and established models = 0.0158687 Jy selfcal ! Performing phase self-cal ! Adding 88 model components to the UV plane model. ! The established model now contains 782 components and 0.0158687 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=0.055999Jy sigma=0.444129 ! Fit after self-cal, rms=0.056016Jy sigma=0.444024 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 = -5.65186e-05 Jy ! Component: 100 - total flux cleaned = -0.000106624 Jy ! Component: 150 - total flux cleaned = -0.000105855 Jy ! Component: 200 - total flux cleaned = -0.000132303 Jy ! Total flux subtracted in 200 components = -0.000132303 Jy ! Clean residual min=-0.000300 max=0.000288 Jy/beam ! Clean residual mean=0.000002 rms=0.000083 Jy/beam ! Combined flux in latest and established models = 0.0157364 Jy ! Performing phase self-cal ! Adding 68 model components to the UV plane model. ! The established model now contains 844 components and 0.0157364 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=0.056016Jy sigma=0.443962 ! Fit after self-cal, rms=0.056012Jy sigma=0.443202 ! 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=8.839 mas, bmaj=35.42 mas, bpa=-12.56 degrees ! Estimated noise=0.592542 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 8.839 x 35.42 at -12.56 degrees (North through East) ! Clean map min=-0.0019562 max=0.013389 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=7.161 mas, bmaj=38.04 mas, bpa=-12.85 degrees ! Estimated noise=1.04191 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00311202 Jy ! Component: 100 - total flux cleaned = 0.00476807 Jy ! Component: 150 - total flux cleaned = 0.00510676 Jy ! Component: 200 - total flux cleaned = 0.00495065 Jy ! Total flux subtracted in 200 components = 0.00495065 Jy ! Clean residual min=-0.003046 max=0.006136 Jy/beam ! Clean residual mean=0.000009 rms=0.001467 Jy/beam ! Combined flux in latest and established models = 0.00495065 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 83 model components to the UV plane model. ! The established model now contains 83 components and 0.00495065 Jy ! Inverting map and beam ! Estimated beam: bmin=8.839 mas, bmaj=35.42 mas, bpa=-12.56 degrees ! Estimated noise=0.592542 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 = 0.00135554 Jy ! Component: 100 - total flux cleaned = 0.0010264 Jy ! Component: 150 - total flux cleaned = 0.000820828 Jy ! Component: 200 - total flux cleaned = 0.000651442 Jy ! Total flux subtracted in 200 components = 0.000651442 Jy ! Clean residual min=-0.002551 max=0.005341 Jy/beam ! Clean residual mean=0.000008 rms=0.001276 Jy/beam ! Combined flux in latest and established models = 0.00560209 Jy ! Adding 92 model components to the UV plane model. ! The established model now contains 175 components and 0.00560209 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=9.042 mas, bmaj=35.27 mas, bpa=-12.71 degrees ! Estimated noise=0.593001 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000142923 Jy ! Component: 100 - total flux cleaned = -0.000561254 Jy ! Component: 150 - total flux cleaned = -0.000817311 Jy ! Component: 200 - total flux cleaned = -0.00108079 Jy ! Total flux subtracted in 200 components = -0.00108079 Jy ! Clean residual min=-0.002395 max=0.004840 Jy/beam ! Clean residual mean=0.000006 rms=0.001116 Jy/beam ! Combined flux in latest and established models = 0.00452131 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) ! Added new window around map position (59.4, 30.3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00383414 Jy ! Component: 100 - total flux cleaned = 0.00465939 Jy ! Component: 150 - total flux cleaned = 0.00471155 Jy ! Component: 200 - total flux cleaned = 0.00450497 Jy ! Total flux subtracted in 200 components = 0.00450497 Jy ! Clean residual min=-0.001258 max=0.000911 Jy/beam ! Clean residual mean=-0.000004 rms=0.000370 Jy/beam ! Combined flux in latest and established models = 0.00902628 Jy ! Adding 162 model components to the UV plane model. ! The established model now contains 328 components and 0.00902628 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=8.839 mas, bmaj=35.42 mas, bpa=-12.56 degrees ! Estimated noise=0.592542 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.55407e-05 Jy ! Component: 100 - total flux cleaned = -0.000155801 Jy ! Component: 150 - total flux cleaned = -0.000364878 Jy ! Component: 200 - total flux cleaned = -0.000533366 Jy ! Total flux subtracted in 200 components = -0.000533366 Jy ! Clean residual min=-0.000961 max=0.000726 Jy/beam ! Clean residual mean=0.000000 rms=0.000272 Jy/beam ! Combined flux in latest and established models = 0.00849292 Jy selfcal ! Performing phase self-cal ! Adding 95 model components to the UV plane model. ! The established model now contains 420 components and 0.00849292 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=0.056005Jy sigma=0.452400 ! Fit after self-cal, rms=0.055949Jy sigma=0.447305 wmodel J1741-3123_C_map.mod ! Writing 420 model components to file: J1741-3123_C_map.mod wobs J1741-3123_C_uvs.fits ! Writing UV FITS file: J1741-3123_C_uvs.fits wwins J1741-3123_C_map.win ! wwins: Wrote 2 windows to J1741-3123_C_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000284444 Jy ! Component: 100 - total flux cleaned = -0.000450513 Jy ! Component: 150 - total flux cleaned = -0.000504946 Jy ! Component: 200 - total flux cleaned = -0.000540295 Jy ! Component: 250 - total flux cleaned = -0.00054725 Jy ! Component: 300 - total flux cleaned = -0.000529197 Jy ! Component: 350 - total flux cleaned = -0.000545564 Jy ! Component: 400 - total flux cleaned = -0.000560928 Jy ! Component: 450 - total flux cleaned = -0.000640845 Jy ! Component: 500 - total flux cleaned = -0.000713395 Jy ! Component: 550 - total flux cleaned = -0.000783814 Jy ! Component: 600 - total flux cleaned = -0.000838728 Jy ! Component: 650 - total flux cleaned = -0.000878934 Jy ! Component: 700 - total flux cleaned = -0.000892184 Jy ! Component: 750 - total flux cleaned = -0.000905502 Jy ! Component: 800 - total flux cleaned = -0.000923383 Jy ! Component: 850 - total flux cleaned = -0.00094593 Jy ! Component: 900 - total flux cleaned = -0.000973168 Jy ! Component: 950 - total flux cleaned = -0.000996369 Jy ! Component: 1000 - total flux cleaned = -0.00102452 Jy ! Component: 1050 - total flux cleaned = -0.00102939 Jy ! Component: 1100 - total flux cleaned = -0.00104405 Jy ! Component: 1150 - total flux cleaned = -0.00105909 Jy ! Component: 1200 - total flux cleaned = -0.00106935 Jy ! Component: 1250 - total flux cleaned = -0.00107465 Jy ! Component: 1300 - total flux cleaned = -0.00107989 Jy ! Component: 1350 - total flux cleaned = -0.00109083 Jy ! Component: 1400 - total flux cleaned = -0.00109649 Jy ! Component: 1450 - total flux cleaned = -0.00110226 Jy ! Component: 1500 - total flux cleaned = -0.00110816 Jy ! Component: 1550 - total flux cleaned = -0.00111422 Jy ! Component: 1600 - total flux cleaned = -0.00112043 Jy ! Component: 1650 - total flux cleaned = -0.00112668 Jy ! Component: 1700 - total flux cleaned = -0.00113326 Jy ! Component: 1750 - total flux cleaned = -0.00113997 Jy ! Component: 1800 - total flux cleaned = -0.00114691 Jy ! Component: 1850 - total flux cleaned = -0.00114692 Jy ! Component: 1900 - total flux cleaned = -0.00114696 Jy ! Component: 1950 - total flux cleaned = -0.00115442 Jy ! Component: 2000 - total flux cleaned = -0.00115445 Jy ! Component: 2050 - total flux cleaned = -0.00117029 Jy ! Component: 2100 - total flux cleaned = -0.00117058 Jy ! Component: 2150 - total flux cleaned = -0.00115397 Jy ! Component: 2200 - total flux cleaned = -0.00115401 Jy ! Component: 2250 - total flux cleaned = -0.00114527 Jy ! Component: 2300 - total flux cleaned = -0.00114514 Jy ! Component: 2350 - total flux cleaned = -0.00114499 Jy ! Component: 2400 - total flux cleaned = -0.00115455 Jy ! Component: 2450 - total flux cleaned = -0.00114486 Jy ! Component: 2500 - total flux cleaned = -0.00116512 Jy ! Component: 2550 - total flux cleaned = -0.0011857 Jy ! Component: 2600 - total flux cleaned = -0.00120708 Jy ! Component: 2650 - total flux cleaned = -0.00122889 Jy ! Component: 2700 - total flux cleaned = -0.00125127 Jy ! Component: 2750 - total flux cleaned = -0.00127438 Jy ! Component: 2800 - total flux cleaned = -0.00129839 Jy ! Component: 2850 - total flux cleaned = -0.00132313 Jy ! Component: 2900 - total flux cleaned = -0.00133596 Jy ! Component: 2950 - total flux cleaned = -0.00137516 Jy ! Component: 3000 - total flux cleaned = -0.00140206 Jy ! Component: 3050 - total flux cleaned = -0.00141617 Jy ! Component: 3100 - total flux cleaned = -0.00145906 Jy ! Component: 3150 - total flux cleaned = -0.00147378 Jy ! Component: 3200 - total flux cleaned = -0.00148853 Jy ! Component: 3250 - total flux cleaned = -0.00153487 Jy ! Component: 3300 - total flux cleaned = -0.00156692 Jy ! Component: 3350 - total flux cleaned = -0.00159975 Jy ! Component: 3400 - total flux cleaned = -0.00161664 Jy ! Component: 3450 - total flux cleaned = -0.00166913 Jy ! Component: 3500 - total flux cleaned = -0.00170498 Jy ! Component: 3550 - total flux cleaned = -0.00172364 Jy ! Component: 3600 - total flux cleaned = -0.00178083 Jy ! Component: 3650 - total flux cleaned = -0.00183954 Jy ! Component: 3700 - total flux cleaned = -0.00188014 Jy ! Component: 3750 - total flux cleaned = -0.00196305 Jy ! Component: 3800 - total flux cleaned = -0.00198492 Jy ! Component: 3850 - total flux cleaned = -0.00205077 Jy ! Component: 3900 - total flux cleaned = -0.0021192 Jy ! Component: 3950 - total flux cleaned = -0.00216584 Jy ! Component: 4000 - total flux cleaned = -0.00221417 Jy ! Component: 4050 - total flux cleaned = -0.00226401 Jy ! Total flux subtracted in 4096 components = -0.00231462 Jy ! Clean residual min=-0.001367 max=0.001400 Jy/beam ! Clean residual mean=0.000019 rms=0.000461 Jy/beam ! Combined flux in latest and established models = 0.00617829 Jy keep ! Adding 211 model components to the UV plane model. ! The established model now contains 631 components and 0.00617829 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J1741-3123_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 8.839 x 35.42 at -12.56 degrees (North through East) ! Clean map min=-0.0046739 max=0.0046468 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J1741-3123_C_map.fits wmodel /vlbi/sb072/temp_maps//J1741-3123_C_map.mod ! Writing 631 model components to file: /vlbi/sb072/temp_maps//J1741-3123_C_map.mod wobs /vlbi/sb072/temp_maps//J1741-3123_C_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J1741-3123_C_uvs.fits wwins /vlbi/sb072/temp_maps//J1741-3123_C_map.win ! wwins: Wrote 3 windows to /vlbi/sb072/temp_maps//J1741-3123_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.00464682 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000553815 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -35.7545 35.7545 71.509 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0016 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.004 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 8.39 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J1741-3123_C_dfm.log closed on Tue Mar 5 23:24:52 2019