! Started logfile: /vlbi/sb072/temp_maps//J1923+3941_C_dfm.log on Tue Mar 5 23:30:36 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//J1923+3941_C_uva.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J1923+3941_C_uva.fits ! AN table 1: 4 integrations on 36 of 36 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J1923+3941 ! ! 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 85 lines of history. ! ! Reading 1152 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 J1923+3941_C] float lim_self lim_self = 120.0 float lim_val lim_va = 1.2 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff print "===============================================================" ! =============================================================== ! print "=== Difmap script: pima_mupet_01.dvm version of 2016.05.19 === " ! === Difmap script: pima_mupet_01.dvm version of 2016.05.19 === ! mapsize field_size, field_cell ! Map grid = 1024x1024 pixels with 0.300x0.300 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=1.000945Jy sigma=46.717135 ! Fit after self-cal, rms=0.961228Jy sigma=44.907261 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.658 mas, bmaj=4.174 mas, bpa=22.74 degrees ! Estimated noise=0.606342 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 = 0.0298769 Jy ! Component: 100 - total flux cleaned = 0.0363929 Jy ! Total flux subtracted in 100 components = 0.0363929 Jy ! Clean residual min=-0.001931 max=0.002867 Jy/beam ! Clean residual mean=-0.000000 rms=0.000494 Jy/beam ! Combined flux in latest and established models = 0.0363929 Jy ! Performing phase self-cal ! Adding 2 model components to the UV plane model. ! The established model now contains 2 components and 0.0363929 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=0.016014Jy sigma=0.694762 ! Fit after self-cal, rms=0.015878Jy sigma=0.687739 ! Inverting map ! Added new window around map position (3.9, 0.9). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00259607 Jy ! Component: 100 - total flux cleaned = 0.00368664 Jy ! Total flux subtracted in 100 components = 0.00368664 Jy ! Clean residual min=-0.001606 max=0.001545 Jy/beam ! Clean residual mean=-0.000000 rms=0.000410 Jy/beam ! Combined flux in latest and established models = 0.0400795 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 17 components and 0.0400795 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=0.015444Jy sigma=0.667343 ! Fit after self-cal, rms=0.015412Jy sigma=0.665660 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.991 mas, bmaj=4.495 mas, bpa=21.77 degrees ! Estimated noise=0.454812 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 = 0.00125803 Jy ! Component: 100 - total flux cleaned = 0.00186326 Jy ! Component: 150 - total flux cleaned = 0.00210522 Jy ! Component: 200 - total flux cleaned = 0.00224566 Jy ! Total flux subtracted in 200 components = 0.00224566 Jy ! Clean residual min=-0.001419 max=0.001424 Jy/beam ! Clean residual mean=0.000002 rms=0.000361 Jy/beam ! Combined flux in latest and established models = 0.0423252 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 39 components and 0.0423252 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=0.015284Jy sigma=0.660435 ! Fit after self-cal, rms=0.015279Jy sigma=0.660155 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.991 x 4.495 at 21.77 degrees (North through East) ! Clean map min=-0.0014214 max=0.03753 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 0.97 KP 0.93 ! LA 1.10 NL 0.98 OV 0.98 PT 0.88 ! SC 0.95 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.97 HN 0.91 KP 0.97 ! LA 1.08 NL 0.94 OV 1.02 PT 0.87 ! SC 1.01 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.92 HN 0.93 KP 0.99 ! LA 1.10 NL 1.15 OV 1.05 PT 0.94 ! SC 0.96 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.96 HN 0.91 KP 0.98 ! LA 1.03 NL 0.91 OV 0.99 PT 0.96 ! SC 1.06 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.10 HN 0.97 KP 0.99 ! LA 1.09 NL 0.98 OV 0.91 PT 0.90 ! SC 0.99 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.01 HN 1.01 KP 0.96 ! LA 1.11 NL 1.10 OV 0.93 PT 0.94 ! SC 1.05 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.05 HN 1.00 KP 0.99 ! LA 1.09 NL 1.11 OV 0.99 PT 1.02 ! SC 0.99 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.93 HN 1.06 KP 0.96 ! LA 1.12 NL 1.17 OV 1.00 PT 1.01 ! SC 0.98 ! ! ! Fit before self-cal, rms=0.015279Jy sigma=0.660155 ! Fit after self-cal, rms=0.014737Jy sigma=0.637691 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.989 mas, bmaj=4.489 mas, bpa=21.41 degrees ! Estimated noise=0.453869 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 = -0.000168677 Jy ! Component: 100 - total flux cleaned = -0.000254198 Jy ! Component: 150 - total flux cleaned = -0.000265773 Jy ! Component: 200 - total flux cleaned = -0.000256031 Jy ! Total flux subtracted in 200 components = -0.000256031 Jy ! Clean residual min=-0.000988 max=0.001167 Jy/beam ! Clean residual mean=0.000000 rms=0.000264 Jy/beam ! Combined flux in latest and established models = 0.0420691 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 53 components and 0.0420691 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=0.014713Jy sigma=0.636604 ! Fit after self-cal, rms=0.014712Jy sigma=0.636406 ! 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=0.014712Jy sigma=0.636406 ! Fit after self-cal, rms=0.014712Jy sigma=0.636286 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.989 mas, bmaj=4.485 mas, bpa=21.3 degrees ! Estimated noise=0.45484 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -1.74295e-05 Jy ! Component: 100 - total flux cleaned = -3.64957e-05 Jy ! Component: 150 - total flux cleaned = -2.87982e-05 Jy ! Component: 200 - total flux cleaned = -1.54638e-05 Jy ! Total flux subtracted in 200 components = -1.54638e-05 Jy ! Clean residual min=-0.000965 max=0.001169 Jy/beam ! Clean residual mean=0.000000 rms=0.000260 Jy/beam ! Combined flux in latest and established models = 0.0420537 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 67 components and 0.0420537 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=0.014702Jy sigma=0.635818 ! Fit after self-cal, rms=0.014700Jy sigma=0.635795 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 (-69.9, -51.9). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000728052 Jy ! Component: 100 - total flux cleaned = 0.000804597 Jy ! Component: 150 - total flux cleaned = 0.000897916 Jy ! Component: 200 - total flux cleaned = 0.000961242 Jy ! Total flux subtracted in 200 components = 0.000961242 Jy ! Clean residual min=-0.000900 max=0.001102 Jy/beam ! Clean residual mean=-0.000000 rms=0.000228 Jy/beam ! Combined flux in latest and established models = 0.0430149 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 90 components and 0.0430149 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=0.014603Jy sigma=0.631364 ! Fit after self-cal, rms=0.014603Jy sigma=0.631242 ! Inverting map ! Added new window around map position (-74.7, 30.9). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000713735 Jy ! Component: 100 - total flux cleaned = 0.00069212 Jy ! Component: 150 - total flux cleaned = 0.000708667 Jy ! Component: 200 - total flux cleaned = 0.000784774 Jy ! Total flux subtracted in 200 components = 0.000784774 Jy ! Clean residual min=-0.000784 max=0.000932 Jy/beam ! Clean residual mean=-0.000000 rms=0.000214 Jy/beam ! Combined flux in latest and established models = 0.0437997 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 113 components and 0.0437997 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=0.014512Jy sigma=0.628056 ! Fit after self-cal, rms=0.014507Jy sigma=0.627935 ! Inverting map ! Added new window around map position (-64.8, 65.7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000595258 Jy ! Component: 100 - total flux cleaned = 0.000655395 Jy ! Component: 150 - total flux cleaned = 0.000815539 Jy ! Component: 200 - total flux cleaned = 0.000988958 Jy ! Total flux subtracted in 200 components = 0.000988958 Jy ! Clean residual min=-0.000804 max=0.000896 Jy/beam ! Clean residual mean=-0.000000 rms=0.000201 Jy/beam ! Combined flux in latest and established models = 0.0447886 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 132 components and 0.0447886 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=0.014443Jy sigma=0.625106 ! Fit after self-cal, rms=0.014437Jy sigma=0.624948 ! Inverting map ! Added new window around map position (28.5, -2.1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000376263 Jy ! Component: 100 - total flux cleaned = 0.000353245 Jy ! Component: 150 - total flux cleaned = 0.000369493 Jy ! Component: 200 - total flux cleaned = 0.000399512 Jy ! Total flux subtracted in 200 components = 0.000399512 Jy ! Clean residual min=-0.000752 max=0.000749 Jy/beam ! Clean residual mean=-0.000000 rms=0.000182 Jy/beam ! Combined flux in latest and established models = 0.0451882 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 149 components and 0.0451882 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=0.014374Jy sigma=0.622158 ! Fit after self-cal, rms=0.014371Jy sigma=0.622054 ! 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=0.014371Jy sigma=0.622054 ! Fit after self-cal, rms=0.014277Jy sigma=0.621319 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.988 mas, bmaj=4.479 mas, bpa=21.25 degrees ! Estimated noise=0.452538 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000361065 Jy ! Component: 100 - total flux cleaned = 0.000556599 Jy ! Component: 150 - total flux cleaned = 0.000639912 Jy ! Component: 200 - total flux cleaned = 0.00073169 Jy ! Total flux subtracted in 200 components = 0.00073169 Jy ! Clean residual min=-0.000710 max=0.000739 Jy/beam ! Clean residual mean=-0.000000 rms=0.000172 Jy/beam ! Combined flux in latest and established models = 0.0459199 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 162 components and 0.0459199 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=0.014249Jy sigma=0.620085 ! Fit after self-cal, rms=0.014247Jy sigma=0.620053 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 = 0.000132497 Jy ! Component: 100 - total flux cleaned = 0.000229496 Jy ! Component: 150 - total flux cleaned = 0.000298353 Jy ! Component: 200 - total flux cleaned = 0.00037535 Jy ! Total flux subtracted in 200 components = 0.00037535 Jy ! Clean residual min=-0.000701 max=0.000710 Jy/beam ! Clean residual mean=-0.000000 rms=0.000169 Jy/beam ! Combined flux in latest and established models = 0.0462952 Jy ! Performing phase self-cal ! Adding 44 model components to the UV plane model. ! The established model now contains 172 components and 0.0462952 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=0.014229Jy sigma=0.619290 ! Fit after self-cal, rms=0.014228Jy sigma=0.619279 ! 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=0.014228Jy sigma=0.619279 ! Fit after self-cal, rms=0.014231Jy sigma=0.619200 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.988 mas, bmaj=5.297 mas, bpa=11.43 degrees ! Estimated noise=0.526837 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000181953 Jy ! Component: 100 - total flux cleaned = 0.000248359 Jy ! Component: 150 - total flux cleaned = 0.000307335 Jy ! Component: 200 - total flux cleaned = 0.000369968 Jy ! Total flux subtracted in 200 components = 0.000369968 Jy ! Clean residual min=-0.000740 max=0.000675 Jy/beam ! Clean residual mean=-0.000000 rms=0.000173 Jy/beam ! Combined flux in latest and established models = 0.0466652 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 193 components and 0.0466652 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=0.014223Jy sigma=0.618750 ! Fit after self-cal, rms=0.014222Jy sigma=0.618729 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 = 9.00259e-05 Jy ! Component: 100 - total flux cleaned = 0.000105841 Jy ! Component: 150 - total flux cleaned = 0.000135973 Jy ! Component: 200 - total flux cleaned = 0.000150369 Jy ! Total flux subtracted in 200 components = 0.000150369 Jy ! Clean residual min=-0.000716 max=0.000669 Jy/beam ! Clean residual mean=-0.000000 rms=0.000170 Jy/beam ! Combined flux in latest and established models = 0.0468155 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 205 components and 0.0468155 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=0.014216Jy sigma=0.618481 ! Fit after self-cal, rms=0.014216Jy sigma=0.618472 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=1.989 mas, bmaj=4.48 mas, bpa=21.24 degrees ! Estimated noise=0.452306 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.989 x 4.48 at 21.24 degrees (North through East) ! Clean map min=-0.00069984 max=0.037427 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "============== Clearing model and starting over ==========" ! ============== Clearing model and starting over ========== clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.656 mas, bmaj=4.149 mas, bpa=22.15 degrees ! Estimated noise=0.604654 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0298002 Jy ! Component: 100 - total flux cleaned = 0.0364518 Jy ! Component: 150 - total flux cleaned = 0.0386398 Jy ! Component: 200 - total flux cleaned = 0.0397904 Jy ! Total flux subtracted in 200 components = 0.0397904 Jy ! Clean residual min=-0.001245 max=0.001233 Jy/beam ! Clean residual mean=-0.000001 rms=0.000328 Jy/beam ! Combined flux in latest and established models = 0.0397904 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 29 model components to the UV plane model. ! The established model now contains 29 components and 0.0397904 Jy ! Inverting map and beam ! Estimated beam: bmin=1.989 mas, bmaj=4.48 mas, bpa=21.24 degrees ! Estimated noise=0.452306 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0013227 Jy ! Component: 100 - total flux cleaned = 0.00235847 Jy ! Component: 150 - total flux cleaned = 0.0031699 Jy ! Component: 200 - total flux cleaned = 0.0038107 Jy ! Total flux subtracted in 200 components = 0.0038107 Jy ! Clean residual min=-0.000999 max=0.000836 Jy/beam ! Clean residual mean=-0.000000 rms=0.000241 Jy/beam ! Combined flux in latest and established models = 0.0436011 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 55 components and 0.0436011 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.988 mas, bmaj=5.297 mas, bpa=11.43 degrees ! Estimated noise=0.526837 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00087648 Jy ! Component: 100 - total flux cleaned = 0.00146779 Jy ! Component: 150 - total flux cleaned = 0.00196077 Jy ! Component: 200 - total flux cleaned = 0.00214908 Jy ! Total flux subtracted in 200 components = 0.00214908 Jy ! Clean residual min=-0.000987 max=0.000772 Jy/beam ! Clean residual mean=-0.000000 rms=0.000224 Jy/beam ! Combined flux in latest and established models = 0.0457502 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 = 6.3325e-05 Jy ! Component: 100 - total flux cleaned = 0.00021812 Jy ! Component: 150 - total flux cleaned = 0.000341694 Jy ! Component: 200 - total flux cleaned = 0.000439929 Jy ! Total flux subtracted in 200 components = 0.000439929 Jy ! Clean residual min=-0.000886 max=0.000663 Jy/beam ! Clean residual mean=-0.000000 rms=0.000199 Jy/beam ! Combined flux in latest and established models = 0.0461901 Jy ! Adding 65 model components to the UV plane model. ! The established model now contains 115 components and 0.0461901 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.989 mas, bmaj=4.48 mas, bpa=21.24 degrees ! Estimated noise=0.452306 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000392746 Jy ! Component: 100 - total flux cleaned = 0.000629449 Jy ! Component: 150 - total flux cleaned = 0.000707926 Jy ! Component: 200 - total flux cleaned = 0.000817609 Jy ! Total flux subtracted in 200 components = 0.000817609 Jy ! Clean residual min=-0.000706 max=0.000712 Jy/beam ! Clean residual mean=-0.000000 rms=0.000181 Jy/beam ! Combined flux in latest and established models = 0.0470077 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 139 components and 0.0470077 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=0.014326Jy sigma=0.622044 ! Fit after self-cal, rms=0.014323Jy sigma=0.621876 wmodel J1923+3941_C_map.mod ! Writing 139 model components to file: J1923+3941_C_map.mod wobs J1923+3941_C_uvs.fits ! Writing UV FITS file: J1923+3941_C_uvs.fits wwins J1923+3941_C_map.win ! wwins: Wrote 6 windows to J1923+3941_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 = -6.90781e-05 Jy ! Component: 100 - total flux cleaned = -0.000118357 Jy ! Component: 150 - total flux cleaned = -0.000164704 Jy ! Component: 200 - total flux cleaned = -0.000164899 Jy ! Component: 250 - total flux cleaned = -0.000154403 Jy ! Component: 300 - total flux cleaned = -0.000164389 Jy ! Component: 350 - total flux cleaned = -0.00017392 Jy ! Component: 400 - total flux cleaned = -0.000193335 Jy ! Component: 450 - total flux cleaned = -0.000212367 Jy ! Component: 500 - total flux cleaned = -0.000267676 Jy ! Component: 550 - total flux cleaned = -0.000294575 Jy ! Component: 600 - total flux cleaned = -0.000285673 Jy ! Component: 650 - total flux cleaned = -0.00030302 Jy ! Component: 700 - total flux cleaned = -0.000302944 Jy ! Component: 750 - total flux cleaned = -0.000319553 Jy ! Component: 800 - total flux cleaned = -0.00036037 Jy ! Component: 850 - total flux cleaned = -0.000384354 Jy ! Component: 900 - total flux cleaned = -0.000392172 Jy ! Component: 950 - total flux cleaned = -0.00040772 Jy ! Component: 1000 - total flux cleaned = -0.000438475 Jy ! Component: 1050 - total flux cleaned = -0.000476604 Jy ! Component: 1100 - total flux cleaned = -0.000514178 Jy ! Component: 1150 - total flux cleaned = -0.000551244 Jy ! Component: 1200 - total flux cleaned = -0.00058785 Jy ! Component: 1250 - total flux cleaned = -0.000602293 Jy ! Component: 1300 - total flux cleaned = -0.000638152 Jy ! Component: 1350 - total flux cleaned = -0.000659448 Jy ! Component: 1400 - total flux cleaned = -0.000701657 Jy ! Component: 1450 - total flux cleaned = -0.000722432 Jy ! Component: 1500 - total flux cleaned = -0.000708717 Jy ! Component: 1550 - total flux cleaned = -0.000742816 Jy ! Component: 1600 - total flux cleaned = -0.00076975 Jy ! Component: 1650 - total flux cleaned = -0.000763009 Jy ! Component: 1700 - total flux cleaned = -0.000763043 Jy ! Component: 1750 - total flux cleaned = -0.000756466 Jy ! Component: 1800 - total flux cleaned = -0.000795586 Jy ! Component: 1850 - total flux cleaned = -0.000795602 Jy ! Component: 1900 - total flux cleaned = -0.000802086 Jy ! Component: 1950 - total flux cleaned = -0.00080211 Jy ! Component: 2000 - total flux cleaned = -0.000821037 Jy ! Component: 2050 - total flux cleaned = -0.000852262 Jy ! Component: 2100 - total flux cleaned = -0.000858504 Jy ! Component: 2150 - total flux cleaned = -0.000864704 Jy ! Component: 2200 - total flux cleaned = -0.000883007 Jy ! Component: 2250 - total flux cleaned = -0.000913248 Jy ! Component: 2300 - total flux cleaned = -0.000931258 Jy ! Component: 2350 - total flux cleaned = -0.000949099 Jy ! Component: 2400 - total flux cleaned = -0.000949015 Jy ! Component: 2450 - total flux cleaned = -0.000966592 Jy ! Component: 2500 - total flux cleaned = -0.000978207 Jy ! Component: 2550 - total flux cleaned = -0.000972478 Jy ! Component: 2600 - total flux cleaned = -0.00101822 Jy ! Component: 2650 - total flux cleaned = -0.00103519 Jy ! Component: 2700 - total flux cleaned = -0.00105216 Jy ! Component: 2750 - total flux cleaned = -0.00105216 Jy ! Component: 2800 - total flux cleaned = -0.0010911 Jy ! Component: 2850 - total flux cleaned = -0.00110211 Jy ! Component: 2900 - total flux cleaned = -0.00112954 Jy ! Component: 2950 - total flux cleaned = -0.00112409 Jy ! Component: 3000 - total flux cleaned = -0.0011566 Jy ! Component: 3050 - total flux cleaned = -0.00117271 Jy ! Component: 3100 - total flux cleaned = -0.00119407 Jy ! Component: 3150 - total flux cleaned = -0.00121531 Jy ! Component: 3200 - total flux cleaned = -0.00124163 Jy ! Component: 3250 - total flux cleaned = -0.00123636 Jy ! Component: 3300 - total flux cleaned = -0.00126242 Jy ! Component: 3350 - total flux cleaned = -0.00127798 Jy ! Component: 3400 - total flux cleaned = -0.00129859 Jy ! Component: 3450 - total flux cleaned = -0.00130882 Jy ! Component: 3500 - total flux cleaned = -0.00134447 Jy ! Component: 3550 - total flux cleaned = -0.00133935 Jy ! Component: 3600 - total flux cleaned = -0.0013444 Jy ! Component: 3650 - total flux cleaned = -0.00137443 Jy ! Component: 3700 - total flux cleaned = -0.00138435 Jy ! Component: 3750 - total flux cleaned = -0.00140416 Jy ! Component: 3800 - total flux cleaned = -0.00142385 Jy ! Component: 3850 - total flux cleaned = -0.00143363 Jy ! Component: 3900 - total flux cleaned = -0.00143853 Jy ! Component: 3950 - total flux cleaned = -0.0014724 Jy ! Component: 4000 - total flux cleaned = -0.00149649 Jy ! Component: 4050 - total flux cleaned = -0.00150606 Jy ! Total flux subtracted in 4096 components = -0.0015156 Jy ! Clean residual min=-0.000244 max=0.000244 Jy/beam ! Clean residual mean=-0.000000 rms=0.000084 Jy/beam ! Combined flux in latest and established models = 0.0454921 Jy keep ! Adding 260 model components to the UV plane model. ! The established model now contains 397 components and 0.0454921 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J1923+3941_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.989 x 4.48 at 21.24 degrees (North through East) ! Clean map min=-0.00070701 max=0.037638 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J1923+3941_C_map.fits wmodel /vlbi/sb072/temp_maps//J1923+3941_C_map.mod ! Writing 397 model components to file: /vlbi/sb072/temp_maps//J1923+3941_C_map.mod wobs /vlbi/sb072/temp_maps//J1923+3941_C_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J1923+3941_C_uvs.fits wwins /vlbi/sb072/temp_maps//J1923+3941_C_map.win ! wwins: Wrote 7 windows to /vlbi/sb072/temp_maps//J1923+3941_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0376376 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 8.31821e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.663024 0.663024 1.32605 2.6521 5.30419 10.6084 21.2168 42.4336 84.8671 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0002 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.037 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 452.472 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J1923+3941_C_dfm.log closed on Tue Mar 5 23:30:40 2019