! Started logfile: /vlbi/sb072/temp_maps//J2257+3706_X_dfm.log on Fri Jan 25 19:57:43 2019 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 /vlbi/sb072/temp_maps//J2257+3706_X_uva.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J2257+3706_X_uva.fits ! AN table 1: 4 integrations on 15 of 15 possible baselines. ! Apparent sampling: 0.983333 visibilities/baseline/integration-bin. ! Found source: J2257+3706 ! ! There are 8 IFs, and a total of 8 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 7.392e+09 3.2e+07 1 3.2e+07 ! 02 2 7.424e+09 3.2e+07 1 3.2e+07 ! 03 3 7.456e+09 3.2e+07 1 3.2e+07 ! 04 4 7.552e+09 3.2e+07 1 3.2e+07 ! 05 5 7.744e+09 3.2e+07 1 3.2e+07 ! 06 6 7.776e+09 3.2e+07 1 3.2e+07 ! 07 7 7.808e+09 3.2e+07 1 3.2e+07 ! 08 8 7.84e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 85 lines of history. ! ! Reading 472 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 J2257+3706_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 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 4 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.003169Jy sigma=36.976978 ! Fit after self-cal, rms=0.957587Jy sigma=35.282501 ! 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=0.5788 mas, bmaj=3.031 mas, bpa=4.056 degrees ! Estimated noise=1.54392 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 = 0.0338475 Jy ! Component: 100 - total flux cleaned = 0.0417162 Jy ! Total flux subtracted in 100 components = 0.0417162 Jy ! Clean residual min=-0.005850 max=0.007574 Jy/beam ! Clean residual mean=-0.000000 rms=0.001799 Jy/beam ! Combined flux in latest and established models = 0.0417163 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.0417163 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=0.021677Jy sigma=0.762155 ! Fit after self-cal, rms=0.017680Jy sigma=0.581373 ! 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=0.6316 mas, bmaj=2.913 mas, bpa=5.052 degrees ! Estimated noise=1.11089 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 = 0.00420936 Jy ! Component: 100 - total flux cleaned = 0.0062079 Jy ! Component: 150 - total flux cleaned = 0.00681785 Jy ! Component: 200 - total flux cleaned = 0.00724737 Jy ! Total flux subtracted in 200 components = 0.00724737 Jy ! Clean residual min=-0.002697 max=0.002828 Jy/beam ! Clean residual mean=-0.000000 rms=0.000720 Jy/beam ! Combined flux in latest and established models = 0.0489636 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 13 components and 0.0489636 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=0.016760Jy sigma=0.537970 ! Fit after self-cal, rms=0.016704Jy sigma=0.537268 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6316 x 2.913 at 5.052 degrees (North through East) ! Clean map min=-0.0024063 max=0.045429 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.94 HN 1.00* MK 0.86 NL 0.91 ! OV 1.03 SC 1.06 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 0.98 HN 1.00* MK 0.91 NL 1.14 ! OV 0.91 SC 1.05 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00 HN 1.00* MK 0.89 NL 1.03 ! OV 0.93 SC 0.99 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 HN 1.00* MK 0.95 NL 1.13 ! OV 1.05 SC 0.94 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 1.03 HN 1.00* MK 1.05 NL 1.01 ! OV 1.07 SC 0.94 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 HN 1.00* MK 1.03 NL 1.04 ! OV 1.04 SC 0.96 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 0.97 HN 1.00* MK 1.03 NL 0.97 ! OV 1.05 SC 0.94 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 HN 1.00* MK 1.01 NL 1.01 ! OV 1.17 SC 0.94 ! ! ! Fit before self-cal, rms=0.016704Jy sigma=0.537268 ! Fit after self-cal, rms=0.016060Jy sigma=0.516851 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.6252 mas, bmaj=2.933 mas, bpa=5.081 degrees ! Estimated noise=1.09744 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 = 0.000268468 Jy ! Component: 100 - total flux cleaned = 0.000245832 Jy ! Component: 150 - total flux cleaned = 0.00023026 Jy ! Component: 200 - total flux cleaned = 0.000185983 Jy ! Total flux subtracted in 200 components = 0.000185983 Jy ! Clean residual min=-0.001907 max=0.002005 Jy/beam ! Clean residual mean=-0.000000 rms=0.000520 Jy/beam ! Combined flux in latest and established models = 0.0491496 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 20 components and 0.0491496 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=0.015980Jy sigma=0.514794 ! Fit after self-cal, rms=0.015989Jy sigma=0.514386 ! 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=0.015989Jy sigma=0.514386 ! Fit after self-cal, rms=0.015905Jy sigma=0.513861 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.6244 mas, bmaj=2.938 mas, bpa=5.174 degrees ! Estimated noise=1.0924 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000169193 Jy ! Component: 100 - total flux cleaned = 0.000244298 Jy ! Component: 150 - total flux cleaned = 0.000217253 Jy ! Component: 200 - total flux cleaned = 0.000193719 Jy ! Total flux subtracted in 200 components = 0.000193719 Jy ! Clean residual min=-0.001807 max=0.001906 Jy/beam ! Clean residual mean=-0.000000 rms=0.000494 Jy/beam ! Combined flux in latest and established models = 0.0493433 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 25 components and 0.0493433 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=0.015854Jy sigma=0.512763 ! Fit after self-cal, rms=0.015851Jy sigma=0.512655 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 = -5.81807e-05 Jy ! Component: 100 - total flux cleaned = -4.6069e-05 Jy ! Component: 150 - total flux cleaned = -4.59062e-05 Jy ! Component: 200 - total flux cleaned = -3.71581e-05 Jy ! Total flux subtracted in 200 components = -3.71581e-05 Jy ! Clean residual min=-0.001775 max=0.001836 Jy/beam ! Clean residual mean=-0.000000 rms=0.000484 Jy/beam ! Combined flux in latest and established models = 0.0493062 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 27 components and 0.0493062 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=0.015830Jy sigma=0.512341 ! Fit after self-cal, rms=0.015828Jy sigma=0.512270 ! 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=0.015828Jy sigma=0.512270 ! Fit after self-cal, rms=0.015755Jy sigma=0.511762 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.6243 mas, bmaj=2.944 mas, bpa=5.25 degrees ! Estimated noise=1.087 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000273836 Jy ! Component: 100 - total flux cleaned = 0.000317441 Jy ! Component: 150 - total flux cleaned = 0.000290132 Jy ! Component: 200 - total flux cleaned = 0.000257989 Jy ! Total flux subtracted in 200 components = 0.000257989 Jy ! Clean residual min=-0.001720 max=0.001779 Jy/beam ! Clean residual mean=-0.000000 rms=0.000471 Jy/beam ! Combined flux in latest and established models = 0.0495641 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 32 components and 0.0495641 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=0.015718Jy sigma=0.511379 ! Fit after self-cal, rms=0.015717Jy sigma=0.511311 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 = -0.000132184 Jy ! Component: 100 - total flux cleaned = -0.000102102 Jy ! Component: 150 - total flux cleaned = -9.63479e-05 Jy ! Component: 200 - total flux cleaned = -7.81649e-05 Jy ! Total flux subtracted in 200 components = -7.81649e-05 Jy ! Clean residual min=-0.001700 max=0.001777 Jy/beam ! Clean residual mean=-0.000000 rms=0.000466 Jy/beam ! Combined flux in latest and established models = 0.049486 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 33 components and 0.049486 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=0.015704Jy sigma=0.511232 ! Fit after self-cal, rms=0.015704Jy sigma=0.511191 ! 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=0.015704Jy sigma=0.511191 ! Fit after self-cal, rms=0.015646Jy sigma=0.510741 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.339 mas, bmaj=2.788 mas, bpa=1.857 degrees ! Estimated noise=1.69208 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000741788 Jy ! Component: 100 - total flux cleaned = 0.000947735 Jy ! Component: 150 - total flux cleaned = 0.00107594 Jy ! Component: 200 - total flux cleaned = 0.00116064 Jy ! Total flux subtracted in 200 components = 0.00116064 Jy ! Clean residual min=-0.002704 max=0.002271 Jy/beam ! Clean residual mean=-0.000000 rms=0.000646 Jy/beam ! Combined flux in latest and established models = 0.0506466 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 43 components and 0.0506466 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=0.015738Jy sigma=0.514364 ! Fit after self-cal, rms=0.015712Jy sigma=0.514270 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 = 7.27262e-05 Jy ! Component: 100 - total flux cleaned = 0.000171658 Jy ! Component: 150 - total flux cleaned = 0.000247012 Jy ! Component: 200 - total flux cleaned = 0.000318116 Jy ! Total flux subtracted in 200 components = 0.000318116 Jy ! Clean residual min=-0.002685 max=0.002329 Jy/beam ! Clean residual mean=-0.000000 rms=0.000626 Jy/beam ! Combined flux in latest and established models = 0.0509647 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 44 components and 0.0509647 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=0.015753Jy sigma=0.516141 ! Fit after self-cal, rms=0.015748Jy sigma=0.516082 ! 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=0.6247 mas, bmaj=2.949 mas, bpa=5.313 degrees ! Estimated noise=1.08177 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6247 x 2.949 at 5.313 degrees (North through East) ! Clean map min=-0.0016887 max=0.044642 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=0.5726 mas, bmaj=3.067 mas, bpa=4.213 degrees ! Estimated noise=1.46832 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0343972 Jy ! Component: 100 - total flux cleaned = 0.0420281 Jy ! Component: 150 - total flux cleaned = 0.0449641 Jy ! Component: 200 - total flux cleaned = 0.0466403 Jy ! Total flux subtracted in 200 components = 0.0466403 Jy ! Clean residual min=-0.002711 max=0.002740 Jy/beam ! Clean residual mean=0.000000 rms=0.000756 Jy/beam ! Combined flux in latest and established models = 0.0466404 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 12 model components to the UV plane model. ! The established model now contains 12 components and 0.0466404 Jy ! Inverting map and beam ! Estimated beam: bmin=0.6247 mas, bmaj=2.949 mas, bpa=5.313 degrees ! Estimated noise=1.08177 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 = 0.000940675 Jy ! Component: 100 - total flux cleaned = 0.00191275 Jy ! Component: 150 - total flux cleaned = 0.00244878 Jy ! Component: 200 - total flux cleaned = 0.00285213 Jy ! Total flux subtracted in 200 components = 0.00285213 Jy ! Clean residual min=-0.002028 max=0.001916 Jy/beam ! Clean residual mean=-0.000000 rms=0.000533 Jy/beam ! Combined flux in latest and established models = 0.0494925 Jy ! Adding 10 model components to the UV plane model. ! The established model now contains 19 components and 0.0494925 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=1.339 mas, bmaj=2.788 mas, bpa=1.857 degrees ! Estimated noise=1.69208 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000751515 Jy ! Component: 100 - total flux cleaned = 0.00107285 Jy ! Component: 150 - total flux cleaned = 0.00127341 Jy ! Component: 200 - total flux cleaned = 0.00141099 Jy ! Total flux subtracted in 200 components = 0.00141099 Jy ! Clean residual min=-0.002752 max=0.002490 Jy/beam ! Clean residual mean=-0.000000 rms=0.000687 Jy/beam ! Combined flux in latest and established models = 0.0509035 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000149995 Jy ! Component: 100 - total flux cleaned = 0.000243978 Jy ! Component: 150 - total flux cleaned = 0.000243638 Jy ! Component: 200 - total flux cleaned = 0.000244222 Jy ! Total flux subtracted in 200 components = 0.000244222 Jy ! Clean residual min=-0.002718 max=0.002430 Jy/beam ! Clean residual mean=-0.000000 rms=0.000644 Jy/beam ! Combined flux in latest and established models = 0.0511477 Jy ! Adding 16 model components to the UV plane model. ! The established model now contains 29 components and 0.0511477 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.6247 mas, bmaj=2.949 mas, bpa=5.313 degrees ! Estimated noise=1.08177 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000678608 Jy ! Component: 100 - total flux cleaned = -0.000746528 Jy ! Component: 150 - total flux cleaned = -0.000753449 Jy ! Component: 200 - total flux cleaned = -0.000741301 Jy ! Total flux subtracted in 200 components = -0.000741301 Jy ! Clean residual min=-0.001737 max=0.001684 Jy/beam ! Clean residual mean=-0.000000 rms=0.000460 Jy/beam ! Combined flux in latest and established models = 0.0504064 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 38 components and 0.0504064 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=0.015594Jy sigma=0.511056 ! Fit after self-cal, rms=0.015620Jy sigma=0.510972 wmodel J2257+3706_X_map.mod ! Writing 38 model components to file: J2257+3706_X_map.mod wobs J2257+3706_X_uvs.fits ! Writing UV FITS file: J2257+3706_X_uvs.fits wwins J2257+3706_X_map.win ! wwins: Wrote 1 windows to J2257+3706_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 = 8.92176e-05 Jy ! Component: 100 - total flux cleaned = 0.000116009 Jy ! Component: 150 - total flux cleaned = 0.000208513 Jy ! Component: 200 - total flux cleaned = 0.000272436 Jy ! Component: 250 - total flux cleaned = 0.000311364 Jy ! Component: 300 - total flux cleaned = 0.000311947 Jy ! Component: 350 - total flux cleaned = 0.000260599 Jy ! Component: 400 - total flux cleaned = 0.000195673 Jy ! Component: 450 - total flux cleaned = 0.000164847 Jy ! Component: 500 - total flux cleaned = 0.000150028 Jy ! Component: 550 - total flux cleaned = 0.000122043 Jy ! Component: 600 - total flux cleaned = 9.5393e-05 Jy ! Component: 650 - total flux cleaned = 8.24899e-05 Jy ! Component: 700 - total flux cleaned = 3.15198e-05 Jy ! Component: 750 - total flux cleaned = -5.43625e-06 Jy ! Component: 800 - total flux cleaned = -5.29203e-05 Jy ! Component: 850 - total flux cleaned = -0.000110759 Jy ! Component: 900 - total flux cleaned = -0.000155398 Jy ! Component: 950 - total flux cleaned = -0.000210277 Jy ! Component: 1000 - total flux cleaned = -0.00024263 Jy ! Component: 1050 - total flux cleaned = -0.000274636 Jy ! Component: 1100 - total flux cleaned = -0.000358066 Jy ! Component: 1150 - total flux cleaned = -0.000368384 Jy ! Component: 1200 - total flux cleaned = -0.000418954 Jy ! Component: 1250 - total flux cleaned = -0.000409016 Jy ! Component: 1300 - total flux cleaned = -0.000488094 Jy ! Component: 1350 - total flux cleaned = -0.000537333 Jy ! Component: 1400 - total flux cleaned = -0.000596132 Jy ! Component: 1450 - total flux cleaned = -0.000644995 Jy ! Component: 1500 - total flux cleaned = -0.000703352 Jy ! Component: 1550 - total flux cleaned = -0.000761414 Jy ! Component: 1600 - total flux cleaned = -0.000819358 Jy ! Component: 1650 - total flux cleaned = -0.000838601 Jy ! Component: 1700 - total flux cleaned = -0.000877412 Jy ! Component: 1750 - total flux cleaned = -0.000916342 Jy ! Component: 1800 - total flux cleaned = -0.000935894 Jy ! Component: 1850 - total flux cleaned = -0.000935877 Jy ! Component: 1900 - total flux cleaned = -0.000945801 Jy ! Component: 1950 - total flux cleaned = -0.000935791 Jy ! Component: 2000 - total flux cleaned = -0.00092581 Jy ! Component: 2050 - total flux cleaned = -0.000915635 Jy ! Component: 2100 - total flux cleaned = -0.00088469 Jy ! Component: 2150 - total flux cleaned = -0.000874244 Jy ! Component: 2200 - total flux cleaned = -0.000842712 Jy ! Component: 2250 - total flux cleaned = -0.000821414 Jy ! Component: 2300 - total flux cleaned = -0.00076751 Jy ! Component: 2350 - total flux cleaned = -0.000734839 Jy ! Component: 2400 - total flux cleaned = -0.00069052 Jy ! Component: 2450 - total flux cleaned = -0.000656922 Jy ! Component: 2500 - total flux cleaned = -0.000611527 Jy ! Component: 2550 - total flux cleaned = -0.000588493 Jy ! Component: 2600 - total flux cleaned = -0.000541647 Jy ! Component: 2650 - total flux cleaned = -0.000517863 Jy ! Component: 2700 - total flux cleaned = -0.000481743 Jy ! Component: 2750 - total flux cleaned = -0.000481763 Jy ! Component: 2800 - total flux cleaned = -0.000481796 Jy ! Component: 2850 - total flux cleaned = -0.000469091 Jy ! Component: 2900 - total flux cleaned = -0.000495275 Jy ! Component: 2950 - total flux cleaned = -0.000495316 Jy ! Component: 3000 - total flux cleaned = -0.000481878 Jy ! Component: 3050 - total flux cleaned = -0.000495751 Jy ! Component: 3100 - total flux cleaned = -0.000509879 Jy ! Component: 3150 - total flux cleaned = -0.000509943 Jy ! Component: 3200 - total flux cleaned = -0.000510157 Jy ! Component: 3250 - total flux cleaned = -0.00052525 Jy ! Component: 3300 - total flux cleaned = -0.000525231 Jy ! Component: 3350 - total flux cleaned = -0.000525415 Jy ! Component: 3400 - total flux cleaned = -0.000541343 Jy ! Component: 3450 - total flux cleaned = -0.000541318 Jy ! Component: 3500 - total flux cleaned = -0.000574944 Jy ! Component: 3550 - total flux cleaned = -0.00057495 Jy ! Component: 3600 - total flux cleaned = -0.000592323 Jy ! Component: 3650 - total flux cleaned = -0.000610227 Jy ! Component: 3700 - total flux cleaned = -0.000628743 Jy ! Component: 3750 - total flux cleaned = -0.000647444 Jy ! Component: 3800 - total flux cleaned = -0.000685888 Jy ! Component: 3850 - total flux cleaned = -0.000685701 Jy ! Component: 3900 - total flux cleaned = -0.000725932 Jy ! Component: 3950 - total flux cleaned = -0.000746507 Jy ! Component: 4000 - total flux cleaned = -0.000788532 Jy ! Component: 4050 - total flux cleaned = -0.000810073 Jy ! Total flux subtracted in 4096 components = -0.000810267 Jy ! Clean residual min=-0.001427 max=0.001219 Jy/beam ! Clean residual mean=-0.000000 rms=0.000304 Jy/beam ! Combined flux in latest and established models = 0.0495961 Jy keep ! Adding 165 model components to the UV plane model. ! The established model now contains 203 components and 0.0495961 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J2257+3706_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6247 x 2.949 at 5.313 degrees (North through East) ! Clean map min=-0.0020885 max=0.044418 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J2257+3706_X_map.fits wmodel /vlbi/sb072/temp_maps//J2257+3706_X_map.mod ! Writing 203 model components to file: /vlbi/sb072/temp_maps//J2257+3706_X_map.mod wobs /vlbi/sb072/temp_maps//J2257+3706_X_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J2257+3706_X_uvs.fits wwins /vlbi/sb072/temp_maps//J2257+3706_X_map.win ! wwins: Wrote 2 windows to /vlbi/sb072/temp_maps//J2257+3706_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0444178 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000329916 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -2.22827 2.22827 4.45654 8.91309 17.8262 35.6523 71.3047 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0009 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.044 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 134.633 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J2257+3706_X_dfm.log closed on Fri Jan 25 19:57:47 2019