! Started logfile: /vlbi/sb072/temp_maps//J2257+3706_C_dfm.log on Fri Jan 25 19:57:38 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//J2257+3706_C_uva.fits ! Reading UV FITS file: /vlbi/sb072/temp_maps//J2257+3706_C_uva.fits ! AN table 1: 4 integrations on 21 of 21 possible baselines. ! Apparent sampling: 0.988095 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 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 664 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 J2257+3706_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 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. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=1.002508Jy sigma=36.909627 ! Fit after self-cal, rms=0.936517Jy sigma=34.452868 ! 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=1.064 mas, bmaj=4.208 mas, bpa=0.08912 degrees ! Estimated noise=0.984286 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 = 0.0500828 Jy ! Component: 100 - total flux cleaned = 0.0621553 Jy ! Total flux subtracted in 100 components = 0.0621553 Jy ! Clean residual min=-0.005971 max=0.007338 Jy/beam ! Clean residual mean=-0.000001 rms=0.001616 Jy/beam ! Combined flux in latest and established models = 0.0621553 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.0621553 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=0.032283Jy sigma=1.043427 ! Fit after self-cal, rms=0.031975Jy sigma=1.032952 ! 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=1.197 mas, bmaj=4.2 mas, bpa=0.766 degrees ! Estimated noise=0.809337 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 = 0.0053346 Jy ! Component: 100 - total flux cleaned = 0.008631 Jy ! Component: 150 - total flux cleaned = 0.0108473 Jy ! Component: 200 - total flux cleaned = 0.0124233 Jy ! Total flux subtracted in 200 components = 0.0124233 Jy ! Clean residual min=-0.005376 max=0.006233 Jy/beam ! Clean residual mean=-0.000002 rms=0.001674 Jy/beam ! Combined flux in latest and established models = 0.0745786 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 26 components and 0.0745786 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=0.031128Jy sigma=0.987831 ! Fit after self-cal, rms=0.031121Jy sigma=0.987323 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.197 x 4.2 at 0.766 degrees (North through East) ! Clean map min=-0.0053304 max=0.063904 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00* HN 0.64 LA 0.93 MK 0.97 ! NL 0.68 OV 1.09 SC 1.03 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00* HN 0.54 LA 0.97 MK 1.09 ! NL 0.83 OV 1.12 SC 0.97 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 1.04 HN 1.00 LA 1.12 MK 0.90 ! NL 1.00 OV 0.96 SC 0.89 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 0.96 HN 0.92 LA 1.10 MK 0.88 ! NL 0.99 OV 1.10 SC 0.94 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 1.13 HN 1.07 LA 0.98 MK 0.99 ! NL 1.16 OV 1.06 SC 0.94 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 HN 1.13 LA 1.03 MK 1.05 ! NL 1.16 OV 0.99 SC 1.07 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 1.04 HN 1.03 LA 0.94 MK 1.10 ! NL 1.25 OV 1.04 SC 1.03 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00 HN 1.09 LA 1.19 MK 1.18 ! NL 1.21 OV 1.03 SC 0.99 ! ! ! Fit before self-cal, rms=0.031121Jy sigma=0.987323 ! Fit after self-cal, rms=0.025791Jy sigma=0.713034 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.2 mas, bmaj=4.173 mas, bpa=0.6036 degrees ! Estimated noise=0.794675 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 = 0.000714779 Jy ! Component: 100 - total flux cleaned = 0.000767481 Jy ! Component: 150 - total flux cleaned = 0.000871834 Jy ! Component: 200 - total flux cleaned = 0.000890589 Jy ! Total flux subtracted in 200 components = 0.000890589 Jy ! Clean residual min=-0.002455 max=0.002297 Jy/beam ! Clean residual mean=-0.000000 rms=0.000571 Jy/beam ! Combined flux in latest and established models = 0.0754692 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 37 components and 0.0754692 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=0.025700Jy sigma=0.710141 ! Fit after self-cal, rms=0.025783Jy sigma=0.708458 ! 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=0.025783Jy sigma=0.708458 ! Fit after self-cal, rms=0.025776Jy sigma=0.707986 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.201 mas, bmaj=4.171 mas, bpa=0.4951 degrees ! Estimated noise=0.791992 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.92248e-06 Jy ! Component: 100 - total flux cleaned = -5.35362e-07 Jy ! Component: 150 - total flux cleaned = 1.45671e-05 Jy ! Component: 200 - total flux cleaned = -9.20899e-06 Jy ! Total flux subtracted in 200 components = -9.20899e-06 Jy ! Clean residual min=-0.002257 max=0.002211 Jy/beam ! Clean residual mean=-0.000000 rms=0.000558 Jy/beam ! Combined flux in latest and established models = 0.07546 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 44 components and 0.07546 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=0.025740Jy sigma=0.707430 ! Fit after self-cal, rms=0.025741Jy sigma=0.707315 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 = 1.14017e-06 Jy ! Component: 100 - total flux cleaned = 1.19929e-05 Jy ! Component: 150 - total flux cleaned = 1.21959e-05 Jy ! Component: 200 - total flux cleaned = 1.23928e-05 Jy ! Total flux subtracted in 200 components = 1.23928e-05 Jy ! Clean residual min=-0.002234 max=0.002199 Jy/beam ! Clean residual mean=-0.000000 rms=0.000554 Jy/beam ! Combined flux in latest and established models = 0.0754724 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 46 components and 0.0754724 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=0.025730Jy sigma=0.707115 ! Fit after self-cal, rms=0.025732Jy sigma=0.707072 ! 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=0.025732Jy sigma=0.707072 ! Fit after self-cal, rms=0.025651Jy sigma=0.706853 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.201 mas, bmaj=4.171 mas, bpa=0.4174 degrees ! Estimated noise=0.789025 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000288067 Jy ! Component: 100 - total flux cleaned = -0.000289433 Jy ! Component: 150 - total flux cleaned = -0.000272747 Jy ! Component: 200 - total flux cleaned = -0.000241687 Jy ! Total flux subtracted in 200 components = -0.000241687 Jy ! Clean residual min=-0.002236 max=0.002207 Jy/beam ! Clean residual mean=-0.000000 rms=0.000549 Jy/beam ! Combined flux in latest and established models = 0.0752307 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 52 components and 0.0752307 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=0.025630Jy sigma=0.706870 ! Fit after self-cal, rms=0.025631Jy sigma=0.706844 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 = 1.01234e-05 Jy ! Component: 100 - total flux cleaned = 1.79198e-05 Jy ! Component: 150 - total flux cleaned = 3.83455e-05 Jy ! Component: 200 - total flux cleaned = 4.47536e-05 Jy ! Total flux subtracted in 200 components = 4.47536e-05 Jy ! Clean residual min=-0.002227 max=0.002208 Jy/beam ! Clean residual mean=-0.000000 rms=0.000548 Jy/beam ! Combined flux in latest and established models = 0.0752755 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 55 components and 0.0752755 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=0.025624Jy sigma=0.706810 ! Fit after self-cal, rms=0.025626Jy sigma=0.706789 ! 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=0.025626Jy sigma=0.706789 ! Fit after self-cal, rms=0.025522Jy sigma=0.706633 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.632 mas, bmaj=4.744 mas, bpa=-3.202 degrees ! Estimated noise=1.22968 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00101752 Jy ! Component: 100 - total flux cleaned = 0.00139466 Jy ! Component: 150 - total flux cleaned = 0.00166944 Jy ! Component: 200 - total flux cleaned = 0.00190298 Jy ! Total flux subtracted in 200 components = 0.00190298 Jy ! Clean residual min=-0.003089 max=0.002830 Jy/beam ! Clean residual mean=-0.000001 rms=0.000869 Jy/beam ! Combined flux in latest and established models = 0.0771784 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 62 components and 0.0771784 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=0.025592Jy sigma=0.712669 ! Fit after self-cal, rms=0.025581Jy sigma=0.712216 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 = 5.74024e-05 Jy ! Component: 100 - total flux cleaned = 0.000217618 Jy ! Component: 150 - total flux cleaned = 0.000340547 Jy ! Component: 200 - total flux cleaned = 0.000410004 Jy ! Total flux subtracted in 200 components = 0.000410004 Jy ! Clean residual min=-0.003017 max=0.002881 Jy/beam ! Clean residual mean=-0.000001 rms=0.000857 Jy/beam ! Combined flux in latest and established models = 0.0775884 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 67 components and 0.0775884 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=0.025658Jy sigma=0.716173 ! Fit after self-cal, rms=0.025655Jy sigma=0.716038 ! 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=1.202 mas, bmaj=4.174 mas, bpa=0.3537 degrees ! Estimated noise=0.785992 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.202 x 4.174 at 0.3537 degrees (North through East) ! Clean map min=-0.0022741 max=0.062989 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=1.068 mas, bmaj=4.177 mas, bpa=-0.431 degrees ! Estimated noise=0.958787 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0488414 Jy ! Component: 100 - total flux cleaned = 0.0603443 Jy ! Component: 150 - total flux cleaned = 0.0653616 Jy ! Component: 200 - total flux cleaned = 0.0684344 Jy ! Total flux subtracted in 200 components = 0.0684344 Jy ! Clean residual min=-0.003115 max=0.002633 Jy/beam ! Clean residual mean=-0.000000 rms=0.000690 Jy/beam ! Combined flux in latest and established models = 0.0684344 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 23 model components to the UV plane model. ! The established model now contains 23 components and 0.0684344 Jy ! Inverting map and beam ! Estimated beam: bmin=1.202 mas, bmaj=4.174 mas, bpa=0.3537 degrees ! Estimated noise=0.785992 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 = 0.00213937 Jy ! Component: 100 - total flux cleaned = 0.00350365 Jy ! Component: 150 - total flux cleaned = 0.00407982 Jy ! Component: 200 - total flux cleaned = 0.00427138 Jy ! Total flux subtracted in 200 components = 0.00427138 Jy ! Clean residual min=-0.002453 max=0.002286 Jy/beam ! Clean residual mean=-0.000000 rms=0.000580 Jy/beam ! Combined flux in latest and established models = 0.0727058 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 39 components and 0.0727058 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=2.632 mas, bmaj=4.744 mas, bpa=-3.202 degrees ! Estimated noise=1.22968 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00206012 Jy ! Component: 100 - total flux cleaned = 0.00256886 Jy ! Component: 150 - total flux cleaned = 0.00296005 Jy ! Component: 200 - total flux cleaned = 0.00324395 Jy ! Total flux subtracted in 200 components = 0.00324395 Jy ! Clean residual min=-0.003234 max=0.002667 Jy/beam ! Clean residual mean=-0.000001 rms=0.000883 Jy/beam ! Combined flux in latest and established models = 0.0759497 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 = 0.000255929 Jy ! Component: 100 - total flux cleaned = 0.000463498 Jy ! Component: 150 - total flux cleaned = 0.000632375 Jy ! Component: 200 - total flux cleaned = 0.000757891 Jy ! Total flux subtracted in 200 components = 0.000757891 Jy ! Clean residual min=-0.003050 max=0.002718 Jy/beam ! Clean residual mean=-0.000001 rms=0.000865 Jy/beam ! Combined flux in latest and established models = 0.0767076 Jy ! Adding 13 model components to the UV plane model. ! The established model now contains 47 components and 0.0767076 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.202 mas, bmaj=4.174 mas, bpa=0.3537 degrees ! Estimated noise=0.785992 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000758749 Jy ! Component: 100 - total flux cleaned = -0.0014045 Jy ! Component: 150 - total flux cleaned = -0.00180028 Jy ! Component: 200 - total flux cleaned = -0.00194338 Jy ! Total flux subtracted in 200 components = -0.00194338 Jy ! Clean residual min=-0.002272 max=0.002147 Jy/beam ! Clean residual mean=-0.000000 rms=0.000552 Jy/beam ! Combined flux in latest and established models = 0.0747642 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 61 components and 0.0747642 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=0.025550Jy sigma=0.707978 ! Fit after self-cal, rms=0.025530Jy sigma=0.707386 wmodel J2257+3706_C_map.mod ! Writing 61 model components to file: J2257+3706_C_map.mod wobs J2257+3706_C_uvs.fits ! Writing UV FITS file: J2257+3706_C_uvs.fits wwins J2257+3706_C_map.win ! wwins: Wrote 1 windows to J2257+3706_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 = -0.000415699 Jy ! Component: 100 - total flux cleaned = -0.000869395 Jy ! Component: 150 - total flux cleaned = -0.00121961 Jy ! Component: 200 - total flux cleaned = -0.00148178 Jy ! Component: 250 - total flux cleaned = -0.00151253 Jy ! Component: 300 - total flux cleaned = -0.00162994 Jy ! Component: 350 - total flux cleaned = -0.00171365 Jy ! Component: 400 - total flux cleaned = -0.00173986 Jy ! Component: 450 - total flux cleaned = -0.00173987 Jy ! Component: 500 - total flux cleaned = -0.0017645 Jy ! Component: 550 - total flux cleaned = -0.00183531 Jy ! Component: 600 - total flux cleaned = -0.00187958 Jy ! Component: 650 - total flux cleaned = -0.00192282 Jy ! Component: 700 - total flux cleaned = -0.00196547 Jy ! Component: 750 - total flux cleaned = -0.00204818 Jy ! Component: 800 - total flux cleaned = -0.00210798 Jy ! Component: 850 - total flux cleaned = -0.00220468 Jy ! Component: 900 - total flux cleaned = -0.00220503 Jy ! Component: 950 - total flux cleaned = -0.00222374 Jy ! Component: 1000 - total flux cleaned = -0.00227765 Jy ! Component: 1050 - total flux cleaned = -0.00240064 Jy ! Component: 1100 - total flux cleaned = -0.00245249 Jy ! Component: 1150 - total flux cleaned = -0.00253736 Jy ! Component: 1200 - total flux cleaned = -0.00263675 Jy ! Component: 1250 - total flux cleaned = -0.00265323 Jy ! Component: 1300 - total flux cleaned = -0.00266904 Jy ! Component: 1350 - total flux cleaned = -0.00270076 Jy ! Component: 1400 - total flux cleaned = -0.00271626 Jy ! Component: 1450 - total flux cleaned = -0.00274659 Jy ! Component: 1500 - total flux cleaned = -0.00279163 Jy ! Component: 1550 - total flux cleaned = -0.0028506 Jy ! Component: 1600 - total flux cleaned = -0.00287951 Jy ! Component: 1650 - total flux cleaned = -0.00289353 Jy ! Component: 1700 - total flux cleaned = -0.00289356 Jy ! Component: 1750 - total flux cleaned = -0.00292158 Jy ! Component: 1800 - total flux cleaned = -0.00296279 Jy ! Component: 1850 - total flux cleaned = -0.00293555 Jy ! Component: 1900 - total flux cleaned = -0.00297615 Jy ! Component: 1950 - total flux cleaned = -0.00300267 Jy ! Component: 2000 - total flux cleaned = -0.00302901 Jy ! Component: 2050 - total flux cleaned = -0.00304195 Jy ! Component: 2100 - total flux cleaned = -0.00302895 Jy ! Component: 2150 - total flux cleaned = -0.00309295 Jy ! Component: 2200 - total flux cleaned = -0.00304222 Jy ! Component: 2250 - total flux cleaned = -0.00311758 Jy ! Component: 2300 - total flux cleaned = -0.00315466 Jy ! Component: 2350 - total flux cleaned = -0.00320388 Jy ! Component: 2400 - total flux cleaned = -0.00321614 Jy ! Component: 2450 - total flux cleaned = -0.0032889 Jy ! Component: 2500 - total flux cleaned = -0.00330098 Jy ! Component: 2550 - total flux cleaned = -0.00333678 Jy ! Component: 2600 - total flux cleaned = -0.00334875 Jy ! Component: 2650 - total flux cleaned = -0.00338399 Jy ! Component: 2700 - total flux cleaned = -0.00338378 Jy ! Component: 2750 - total flux cleaned = -0.00336066 Jy ! Component: 2800 - total flux cleaned = -0.00338366 Jy ! Component: 2850 - total flux cleaned = -0.00337225 Jy ! Component: 2900 - total flux cleaned = -0.00339497 Jy ! Component: 2950 - total flux cleaned = -0.00336123 Jy ! Component: 3000 - total flux cleaned = -0.00339494 Jy ! Component: 3050 - total flux cleaned = -0.00337277 Jy ! Component: 3100 - total flux cleaned = -0.00338393 Jy ! Component: 3150 - total flux cleaned = -0.00340592 Jy ! Component: 3200 - total flux cleaned = -0.0034278 Jy ! Component: 3250 - total flux cleaned = -0.00339508 Jy ! Component: 3300 - total flux cleaned = -0.00340596 Jy ! Component: 3350 - total flux cleaned = -0.00340601 Jy ! Component: 3400 - total flux cleaned = -0.00339524 Jy ! Component: 3450 - total flux cleaned = -0.00338455 Jy ! Component: 3500 - total flux cleaned = -0.00340581 Jy ! Component: 3550 - total flux cleaned = -0.00335279 Jy ! Component: 3600 - total flux cleaned = -0.00336338 Jy ! Component: 3650 - total flux cleaned = -0.00340538 Jy ! Component: 3700 - total flux cleaned = -0.00340541 Jy ! Component: 3750 - total flux cleaned = -0.0034262 Jy ! Component: 3800 - total flux cleaned = -0.00340534 Jy ! Component: 3850 - total flux cleaned = -0.00342612 Jy ! Component: 3900 - total flux cleaned = -0.00345719 Jy ! Component: 3950 - total flux cleaned = -0.00347786 Jy ! Component: 4000 - total flux cleaned = -0.00349845 Jy ! Component: 4050 - total flux cleaned = -0.00350874 Jy ! Total flux subtracted in 4096 components = -0.00352931 Jy ! Clean residual min=-0.000650 max=0.000573 Jy/beam ! Clean residual mean=0.000000 rms=0.000162 Jy/beam ! Combined flux in latest and established models = 0.0712349 Jy keep ! Adding 295 model components to the UV plane model. ! The established model now contains 356 components and 0.0712349 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/sb072/temp_maps//J2257+3706_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.202 x 4.174 at 0.3537 degrees (North through East) ! Clean map min=-0.0016718 max=0.062125 Jy/beam ! Writing clean map to FITS file: /vlbi/sb072/temp_maps//J2257+3706_C_map.fits wmodel /vlbi/sb072/temp_maps//J2257+3706_C_map.mod ! Writing 356 model components to file: /vlbi/sb072/temp_maps//J2257+3706_C_map.mod wobs /vlbi/sb072/temp_maps//J2257+3706_C_uvs.fits ! Writing UV FITS file: /vlbi/sb072/temp_maps//J2257+3706_C_uvs.fits wwins /vlbi/sb072/temp_maps//J2257+3706_C_map.win ! wwins: Wrote 2 windows to /vlbi/sb072/temp_maps//J2257+3706_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0621249 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000165288 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.798173 0.798173 1.59635 3.19269 6.38538 12.7708 25.5415 51.083 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.062 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 375.858 quit ! Quitting program ! Log file /vlbi/sb072/temp_maps//J2257+3706_C_dfm.log closed on Fri Jan 25 19:57:42 2019