! Started logfile: /vlbi/bp222/maps//J1902+3159_S_dfm.log on Mon Jan 14 17:13:17 2019 float field_size field_size = 1024 float field_cell field_cell = 0.5000 float taper_size taper_size = 20.0 float freq freq = 2.22000 obs /vlbi/bp222/maps//J1902+3159_S_uva.fits ! Reading UV FITS file: /vlbi/bp222/maps//J1902+3159_S_uva.fits ! AN table 1: 16 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.9375 visibilities/baseline/integration-bin. ! Found source: J1902+3159 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 2.22e+09 3.2e+07 1 3.2e+07 ! 02 2 2.252e+09 3.2e+07 1 3.2e+07 ! 03 3 2.284e+09 3.2e+07 1 3.2e+07 ! 04 4 2.348e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 49 lines of history. ! ! Reading 2160 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 4 channels. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.5 print "taper_size =", taper_size ! taper_size = 20 ![@/opt64/bin/pima_mupet_01.dfm J1902+3159_S] 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 0.500x0.500 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 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 82 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.473717Jy sigma=17.268937 ! Fit after self-cal, rms=0.676932Jy sigma=8.590127 ! 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=2.651 mas, bmaj=8.187 mas, bpa=27.68 degrees ! Estimated noise=1.77807 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 = 0.570411 Jy ! Component: 100 - total flux cleaned = 0.813294 Jy ! Total flux subtracted in 100 components = 0.813294 Jy ! Clean residual min=-0.151820 max=0.386538 Jy/beam ! Clean residual mean=-0.000625 rms=0.048701 Jy/beam ! Combined flux in latest and established models = 0.813294 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.813294 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.639959Jy sigma=7.324946 ! Fit after self-cal, rms=0.635051Jy sigma=7.294941 ! Inverting map ! Added new window around map position (13, -8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.32443 Jy ! Component: 100 - total flux cleaned = 0.489594 Jy ! Total flux subtracted in 100 components = 0.489594 Jy ! Clean residual min=-0.084444 max=0.104709 Jy/beam ! Clean residual mean=-0.000399 rms=0.023099 Jy/beam ! Combined flux in latest and established models = 1.30289 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 18 components and 1.30289 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.354049Jy sigma=4.014978 ! Fit after self-cal, rms=0.336259Jy sigma=3.860836 ! 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=3.281 mas, bmaj=8.331 mas, bpa=24.42 degrees ! Estimated noise=1.44101 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 = 0.192545 Jy ! Component: 100 - total flux cleaned = 0.322102 Jy ! Component: 150 - total flux cleaned = 0.412004 Jy ! Component: 200 - total flux cleaned = 0.476326 Jy ! Total flux subtracted in 200 components = 0.476326 Jy ! Clean residual min=-0.035570 max=0.045180 Jy/beam ! Clean residual mean=-0.000342 rms=0.011993 Jy/beam ! Combined flux in latest and established models = 1.77921 Jy ! Performing phase self-cal ! Adding 46 model components to the UV plane model. ! The established model now contains 58 components and 1.77921 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.132673Jy sigma=1.523062 ! Fit after self-cal, rms=0.126642Jy sigma=1.468914 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.281 x 8.331 at 24.42 degrees (North through East) ! Clean map min=-0.031484 max=0.88786 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.00 HN 1.01 KP 0.92 ! LA 0.91 MK 1.02 NL 1.08 PT 0.94 ! SC 1.01 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.98 HN 1.02 KP 0.93 ! LA 0.91 MK 1.03 NL 0.91 PT 0.95 ! SC 1.07 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.99 HN 1.00 KP 0.93 ! LA 0.92 MK 1.03 NL 0.91 PT 0.96 ! SC 1.01 ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.96 HN 1.18 KP 1.00* ! LA 0.98 MK 1.00* NL 1.00* PT 0.97 ! SC 1.00* ! ! ! Fit before self-cal, rms=0.126642Jy sigma=1.468914 ! Fit after self-cal, rms=0.069951Jy sigma=0.857830 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.344 mas, bmaj=8.414 mas, bpa=24.33 degrees ! Estimated noise=1.37944 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 = 0.0215996 Jy ! Component: 100 - total flux cleaned = 0.0247598 Jy ! Component: 150 - total flux cleaned = 0.0254166 Jy ! Component: 200 - total flux cleaned = 0.0257072 Jy ! Total flux subtracted in 200 components = 0.0257072 Jy ! Clean residual min=-0.010341 max=0.010258 Jy/beam ! Clean residual mean=0.000008 rms=0.002805 Jy/beam ! Combined flux in latest and established models = 1.80492 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 86 components and 1.80492 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.060844Jy sigma=0.743712 ! Fit after self-cal, rms=0.060048Jy sigma=0.736218 ! 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. ! ! Fit before self-cal, rms=0.060048Jy sigma=0.736218 ! Fit after self-cal, rms=0.059297Jy sigma=0.731561 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.35 mas, bmaj=8.402 mas, bpa=24.31 degrees ! Estimated noise=1.3819 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00624623 Jy ! Component: 100 - total flux cleaned = 0.00765193 Jy ! Component: 150 - total flux cleaned = 0.00837428 Jy ! Component: 200 - total flux cleaned = 0.00852324 Jy ! Total flux subtracted in 200 components = 0.00852324 Jy ! Clean residual min=-0.009426 max=0.009352 Jy/beam ! Clean residual mean=-0.000007 rms=0.002340 Jy/beam ! Combined flux in latest and established models = 1.81344 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 97 components and 1.81344 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.057584Jy sigma=0.712391 ! Fit after self-cal, rms=0.057432Jy sigma=0.710572 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 = 0.00123914 Jy ! Component: 100 - total flux cleaned = 0.00151747 Jy ! Component: 150 - total flux cleaned = 0.00175567 Jy ! Component: 200 - total flux cleaned = 0.00197307 Jy ! Total flux subtracted in 200 components = 0.00197307 Jy ! Clean residual min=-0.008747 max=0.008899 Jy/beam ! Clean residual mean=-0.000003 rms=0.002201 Jy/beam ! Combined flux in latest and established models = 1.81542 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 101 components and 1.81542 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.056766Jy sigma=0.704177 ! Fit after self-cal, rms=0.056739Jy sigma=0.703648 ! 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. ! ! Fit before self-cal, rms=0.056739Jy sigma=0.703648 ! Fit after self-cal, rms=0.056424Jy sigma=0.701855 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.353 mas, bmaj=8.398 mas, bpa=24.29 degrees ! Estimated noise=1.3816 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0028096 Jy ! Component: 100 - total flux cleaned = 0.0036074 Jy ! Component: 150 - total flux cleaned = 0.00429449 Jy ! Component: 200 - total flux cleaned = 0.00464618 Jy ! Total flux subtracted in 200 components = 0.00464618 Jy ! Clean residual min=-0.007754 max=0.008775 Jy/beam ! Clean residual mean=-0.000002 rms=0.002047 Jy/beam ! Combined flux in latest and established models = 1.82006 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 110 components and 1.82006 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.055978Jy sigma=0.697137 ! Fit after self-cal, rms=0.055979Jy sigma=0.696802 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 (36, -13). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00458448 Jy ! Component: 100 - total flux cleaned = 0.00490899 Jy ! Component: 150 - total flux cleaned = 0.00515063 Jy ! Component: 200 - total flux cleaned = 0.00537103 Jy ! Total flux subtracted in 200 components = 0.00537103 Jy ! Clean residual min=-0.007366 max=0.007258 Jy/beam ! Clean residual mean=0.000004 rms=0.001698 Jy/beam ! Combined flux in latest and established models = 1.82543 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 131 components and 1.82543 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.054807Jy sigma=0.682340 ! Fit after self-cal, rms=0.054711Jy sigma=0.681759 ! Inverting map ! Added new window around map position (-89, 75). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00497608 Jy ! Component: 100 - total flux cleaned = 0.00740298 Jy ! Component: 150 - total flux cleaned = 0.00923481 Jy ! Component: 200 - total flux cleaned = 0.010614 Jy ! Total flux subtracted in 200 components = 0.010614 Jy ! Clean residual min=-0.006099 max=0.005969 Jy/beam ! Clean residual mean=-0.000002 rms=0.001411 Jy/beam ! Combined flux in latest and established models = 1.83605 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 148 components and 1.83605 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.053826Jy sigma=0.671857 ! Fit after self-cal, rms=0.053823Jy sigma=0.671081 ! Inverting map ! Added new window around map position (-54.5, -22.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00475784 Jy ! Component: 100 - total flux cleaned = 0.00648527 Jy ! Component: 150 - total flux cleaned = 0.00806715 Jy ! Component: 200 - total flux cleaned = 0.00942034 Jy ! Total flux subtracted in 200 components = 0.00942034 Jy ! Clean residual min=-0.004775 max=0.004158 Jy/beam ! Clean residual mean=-0.000011 rms=0.001113 Jy/beam ! Combined flux in latest and established models = 1.84547 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 177 components and 1.84547 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.053176Jy sigma=0.663708 ! Fit after self-cal, rms=0.053158Jy sigma=0.663441 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 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. ! ! Fit before self-cal, rms=0.053158Jy sigma=0.663441 ! Fit after self-cal, rms=0.052981Jy sigma=0.662309 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=6.963 mas, bmaj=10.06 mas, bpa=12.06 degrees ! Estimated noise=1.75821 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00288894 Jy ! Component: 100 - total flux cleaned = 0.00510515 Jy ! Component: 150 - total flux cleaned = 0.0066031 Jy ! Component: 200 - total flux cleaned = 0.00746384 Jy ! Total flux subtracted in 200 components = 0.00746384 Jy ! Clean residual min=-0.004618 max=0.004135 Jy/beam ! Clean residual mean=-0.000016 rms=0.001197 Jy/beam ! Combined flux in latest and established models = 1.85293 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 193 components and 1.85293 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.052791Jy sigma=0.660700 ! Fit after self-cal, rms=0.052786Jy sigma=0.660669 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 = 0.000964982 Jy ! Component: 100 - total flux cleaned = 0.00165507 Jy ! Component: 150 - total flux cleaned = 0.00235488 Jy ! Component: 200 - total flux cleaned = 0.00295158 Jy ! Total flux subtracted in 200 components = 0.00295158 Jy ! Clean residual min=-0.004281 max=0.003873 Jy/beam ! Clean residual mean=-0.000015 rms=0.001093 Jy/beam ! Combined flux in latest and established models = 1.85588 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 212 components and 1.85588 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.052689Jy sigma=0.660035 ! Fit after self-cal, rms=0.052692Jy sigma=0.660017 ! 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=3.354 mas, bmaj=8.397 mas, bpa=24.29 degrees ! Estimated noise=1.38146 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.354 x 8.397 at 24.29 degrees (North through East) ! Clean map min=-0.0046516 max=0.85587 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 ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.052692Jy sigma=0.660017 ! Fit after self-cal, rms=0.049247Jy sigma=0.609796 ! Inverting map and beam ! Estimated beam: bmin=3.355 mas, bmaj=8.399 mas, bpa=24.29 degrees ! Estimated noise=1.3816 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00119166 Jy ! Component: 100 - total flux cleaned = 0.00162687 Jy ! Component: 150 - total flux cleaned = 0.00175776 Jy ! Component: 200 - total flux cleaned = 0.00199683 Jy ! Total flux subtracted in 200 components = 0.00199683 Jy ! Clean residual min=-0.003331 max=0.003967 Jy/beam ! Clean residual mean=-0.000004 rms=0.000875 Jy/beam ! Combined flux in latest and established models = 1.85788 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 242 components and 1.85788 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.049061Jy sigma=0.607272 ! Fit after self-cal, rms=0.049069Jy sigma=0.607237 ! Inverting map ! Added new window around map position (-0.5, -76). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00269606 Jy ! Component: 100 - total flux cleaned = 0.00423474 Jy ! Component: 150 - total flux cleaned = 0.00535857 Jy ! Component: 200 - total flux cleaned = 0.00615815 Jy ! Total flux subtracted in 200 components = 0.00615815 Jy ! Clean residual min=-0.003256 max=0.003390 Jy/beam ! Clean residual mean=-0.000006 rms=0.000714 Jy/beam ! Combined flux in latest and established models = 1.86404 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 263 components and 1.86404 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.048788Jy sigma=0.603736 ! Fit after self-cal, rms=0.048781Jy sigma=0.603671 ! Inverting map ! Added new window around map position (47.5, -80). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000715502 Jy ! Component: 100 - total flux cleaned = 0.000540844 Jy ! Component: 150 - total flux cleaned = 0.00112824 Jy ! Component: 200 - total flux cleaned = 0.00200228 Jy ! Total flux subtracted in 200 components = 0.00200228 Jy ! Clean residual min=-0.002587 max=0.002172 Jy/beam ! Clean residual mean=-0.000006 rms=0.000602 Jy/beam ! Combined flux in latest and established models = 1.86604 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 283 components and 1.86604 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.048546Jy sigma=0.599501 ! Fit after self-cal, rms=0.048533Jy sigma=0.599413 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.048533Jy sigma=0.599413 ! Fit after self-cal, rms=0.048482Jy sigma=0.599176 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=2.701 mas, bmaj=8.245 mas, bpa=27.76 degrees ! Estimated noise=1.73488 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.600471 Jy ! Component: 100 - total flux cleaned = 0.923345 Jy ! Component: 150 - total flux cleaned = 1.1353 Jy ! Component: 200 - total flux cleaned = 1.28236 Jy ! Total flux subtracted in 200 components = 1.28236 Jy ! Clean residual min=-0.066756 max=0.091069 Jy/beam ! Clean residual mean=-0.000321 rms=0.019713 Jy/beam ! Combined flux in latest and established models = 1.28236 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 17 model components to the UV plane model. ! The established model now contains 17 components and 1.28236 Jy ! Inverting map and beam ! Estimated beam: bmin=3.355 mas, bmaj=8.399 mas, bpa=24.29 degrees ! Estimated noise=1.38111 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) ! Added new window around map position (28.5, -53.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.155899 Jy ! Component: 100 - total flux cleaned = 0.262037 Jy ! Component: 150 - total flux cleaned = 0.335962 Jy ! Component: 200 - total flux cleaned = 0.388379 Jy ! Total flux subtracted in 200 components = 0.388379 Jy ! Clean residual min=-0.024810 max=0.029567 Jy/beam ! Clean residual mean=-0.000212 rms=0.008042 Jy/beam ! Combined flux in latest and established models = 1.67074 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 41 components and 1.67074 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=6.962 mas, bmaj=10.07 mas, bpa=12.05 degrees ! Estimated noise=1.7573 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0629696 Jy ! Component: 100 - total flux cleaned = 0.0980624 Jy ! Component: 150 - total flux cleaned = 0.118716 Jy ! Component: 200 - total flux cleaned = 0.132181 Jy ! Total flux subtracted in 200 components = 0.132181 Jy ! Clean residual min=-0.010406 max=0.010740 Jy/beam ! Clean residual mean=-0.000031 rms=0.003249 Jy/beam ! Combined flux in latest and established models = 1.80292 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 = 0.00948185 Jy ! Component: 100 - total flux cleaned = 0.0177879 Jy ! Component: 150 - total flux cleaned = 0.0234431 Jy ! Component: 200 - total flux cleaned = 0.0270187 Jy ! Total flux subtracted in 200 components = 0.0270187 Jy ! Clean residual min=-0.006636 max=0.005160 Jy/beam ! Clean residual mean=-0.000002 rms=0.001747 Jy/beam ! Combined flux in latest and established models = 1.82994 Jy ! Adding 85 model components to the UV plane model. ! The established model now contains 113 components and 1.82994 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=3.355 mas, bmaj=8.399 mas, bpa=24.29 degrees ! Estimated noise=1.38111 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00583757 Jy ! Component: 100 - total flux cleaned = 0.00585646 Jy ! Component: 150 - total flux cleaned = 0.00663954 Jy ! Component: 200 - total flux cleaned = 0.00757725 Jy ! Total flux subtracted in 200 components = 0.00757725 Jy ! Clean residual min=-0.006459 max=0.006086 Jy/beam ! Clean residual mean=0.000009 rms=0.001546 Jy/beam ! Combined flux in latest and established models = 1.83751 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 141 components and 1.83751 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.052244Jy sigma=0.635982 ! Fit after self-cal, rms=0.051895Jy sigma=0.632828 wmodel J1902+3159_S_map.mod ! Writing 141 model components to file: J1902+3159_S_map.mod wobs J1902+3159_S_uvs.fits ! Writing UV FITS file: J1902+3159_S_uvs.fits wwins J1902+3159_S_map.win ! wwins: Wrote 8 windows to J1902+3159_S_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 = -0.00102919 Jy ! Component: 100 - total flux cleaned = -0.0020118 Jy ! Component: 150 - total flux cleaned = -0.00264535 Jy ! Component: 200 - total flux cleaned = -0.00323686 Jy ! Component: 250 - total flux cleaned = -0.00371476 Jy ! Component: 300 - total flux cleaned = -0.00416935 Jy ! Component: 350 - total flux cleaned = -0.00460472 Jy ! Component: 400 - total flux cleaned = -0.00488258 Jy ! Component: 450 - total flux cleaned = -0.00521492 Jy ! Component: 500 - total flux cleaned = -0.00534167 Jy ! Component: 550 - total flux cleaned = -0.00558712 Jy ! Component: 600 - total flux cleaned = -0.00552706 Jy ! Component: 650 - total flux cleaned = -0.00558171 Jy ! Component: 700 - total flux cleaned = -0.00569167 Jy ! Component: 750 - total flux cleaned = -0.00590464 Jy ! Component: 800 - total flux cleaned = -0.00611122 Jy ! Component: 850 - total flux cleaned = -0.00621276 Jy ! Component: 900 - total flux cleaned = -0.00631112 Jy ! Component: 950 - total flux cleaned = -0.00650094 Jy ! Component: 1000 - total flux cleaned = -0.00650177 Jy ! Component: 1050 - total flux cleaned = -0.00668298 Jy ! Component: 1100 - total flux cleaned = -0.00681435 Jy ! Component: 1150 - total flux cleaned = -0.00685767 Jy ! Component: 1200 - total flux cleaned = -0.00698346 Jy ! Component: 1250 - total flux cleaned = -0.00698335 Jy ! Component: 1300 - total flux cleaned = -0.00714507 Jy ! Component: 1350 - total flux cleaned = -0.00730258 Jy ! Component: 1400 - total flux cleaned = -0.00734013 Jy ! Component: 1450 - total flux cleaned = -0.00745296 Jy ! Component: 1500 - total flux cleaned = -0.00749021 Jy ! Component: 1550 - total flux cleaned = -0.00767187 Jy ! Component: 1600 - total flux cleaned = -0.00777853 Jy ! Component: 1650 - total flux cleaned = -0.0079188 Jy ! Component: 1700 - total flux cleaned = -0.00802244 Jy ! Component: 1750 - total flux cleaned = -0.00815805 Jy ! Component: 1800 - total flux cleaned = -0.00825759 Jy ! Component: 1850 - total flux cleaned = -0.00832252 Jy ! Component: 1900 - total flux cleaned = -0.00825839 Jy ! Component: 1950 - total flux cleaned = -0.00832185 Jy ! Component: 2000 - total flux cleaned = -0.00825956 Jy ! Component: 2050 - total flux cleaned = -0.00829067 Jy ! Component: 2100 - total flux cleaned = -0.00822984 Jy ! Component: 2150 - total flux cleaned = -0.00819965 Jy ! Component: 2200 - total flux cleaned = -0.00811069 Jy ! Component: 2250 - total flux cleaned = -0.0080524 Jy ! Component: 2300 - total flux cleaned = -0.00790879 Jy ! Component: 2350 - total flux cleaned = -0.00790904 Jy ! Component: 2400 - total flux cleaned = -0.00782427 Jy ! Component: 2450 - total flux cleaned = -0.00771277 Jy ! Component: 2500 - total flux cleaned = -0.00768539 Jy ! Component: 2550 - total flux cleaned = -0.00757636 Jy ! Component: 2600 - total flux cleaned = -0.00746888 Jy ! Component: 2650 - total flux cleaned = -0.00730921 Jy ! Component: 2700 - total flux cleaned = -0.00720366 Jy ! Component: 2750 - total flux cleaned = -0.0070469 Jy ! Component: 2800 - total flux cleaned = -0.00699511 Jy ! Component: 2850 - total flux cleaned = -0.00686684 Jy ! Component: 2900 - total flux cleaned = -0.00676481 Jy ! Component: 2950 - total flux cleaned = -0.00666378 Jy ! Component: 3000 - total flux cleaned = -0.00656353 Jy ! Component: 3050 - total flux cleaned = -0.00646381 Jy ! Component: 3100 - total flux cleaned = -0.00638965 Jy ! Component: 3150 - total flux cleaned = -0.00634044 Jy ! Component: 3200 - total flux cleaned = -0.00626709 Jy ! Component: 3250 - total flux cleaned = -0.00621832 Jy ! Component: 3300 - total flux cleaned = -0.00616991 Jy ! Component: 3350 - total flux cleaned = -0.00609771 Jy ! Component: 3400 - total flux cleaned = -0.00614572 Jy ! Component: 3450 - total flux cleaned = -0.00609784 Jy ! Component: 3500 - total flux cleaned = -0.00609777 Jy ! Component: 3550 - total flux cleaned = -0.00605051 Jy ! Component: 3600 - total flux cleaned = -0.00607418 Jy ! Component: 3650 - total flux cleaned = -0.00607421 Jy ! Component: 3700 - total flux cleaned = -0.00607427 Jy ! Component: 3750 - total flux cleaned = -0.00607427 Jy ! Component: 3800 - total flux cleaned = -0.00605088 Jy ! Component: 3850 - total flux cleaned = -0.00607422 Jy ! Component: 3900 - total flux cleaned = -0.0060509 Jy ! Component: 3950 - total flux cleaned = -0.00607417 Jy ! Component: 4000 - total flux cleaned = -0.00616722 Jy ! Component: 4050 - total flux cleaned = -0.00614402 Jy ! Total flux subtracted in 4096 components = -0.0061673 Jy ! Clean residual min=-0.001305 max=0.001368 Jy/beam ! Clean residual mean=0.000002 rms=0.000392 Jy/beam ! Combined flux in latest and established models = 1.83135 Jy keep ! Adding 242 model components to the UV plane model. ! The established model now contains 383 components and 1.83135 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J1902+3159_S_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.355 x 8.399 at 24.29 degrees (North through East) ! Clean map min=-0.0035998 max=0.8519 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J1902+3159_S_map.fits wmodel /vlbi/bp222/maps//J1902+3159_S_map.mod ! Writing 383 model components to file: /vlbi/bp222/maps//J1902+3159_S_map.mod wobs /vlbi/bp222/maps//J1902+3159_S_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J1902+3159_S_uvs.fits wwins /vlbi/bp222/maps//J1902+3159_S_map.win ! wwins: Wrote 9 windows to /vlbi/bp222/maps//J1902+3159_S_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.851901 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000381613 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.134386 0.134386 0.268772 0.537545 1.07509 2.15018 4.30036 8.60071 17.2014 34.4029 68.8057 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0011 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.851 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 2232.37 quit ! Quitting program ! Log file /vlbi/bp222/maps//J1902+3159_S_dfm.log closed on Mon Jan 14 17:13:22 2019