! Started logfile: difmap.log_479 on Sat Feb 15 11:31:40 2020 ![@/tmp/difmap__28176.1] ! Obeying initialization file: /tmp/difmap__28176.1 ![@/home/lpetrov/config/difmap.cnf] device /XW ! Attempting to open device: '/XW' vflags="fb3" integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 800000 float soltime2 soltime2 = 15 float soltime3 soltime3 = 1 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float taper_size taper_size = 70. integer field_size field_size = 1024 float field_cell field_cell = 0.1 float old_peak float new_peak float flux_cutoff ![Exited script file: /home/lpetrov/config/difmap.cnf] ![@/tmp/difmap__28176.2] ![Exited script file: /tmp/difmap__28176.2] obs J2251-3827_X_uva.fits ! Reading UV FITS file: J2251-3827_X_uva.fits ! AN table 1: 17 integrations on 6 of 6 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J2251-3827 ! ! 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 67 lines of history. ! ! Reading 816 visibilities. ![Exited script file: /tmp/difmap__28176.1] sele I ! Polarization I is unavailable. ! 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 field_size=1024 field_cell=0.1 taper_size = 70. mapsize field_size,field_cell ! Map grid = 1024x1024 pixels with 0.100x0.100 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=1.004079Jy sigma=12.070412 ! Fit after self-cal, rms=0.942592Jy sigma=11.261863 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. radplot ! Using default options string "m1" ! Move the cursor into the plot window and press 'H' for help ! Applying 4 buffered edits. uvaver 88 ! Averaging into 88 second bins. ! 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 proj ! Using default options string "m3" ! Move the cursor into the plot window and press 'H' for help ! Applying 7 buffered edits. 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. clrmod true,true clean 200, 0.02 ! Inverting map and beam ! Estimated beam: bmin=2.188 mas, bmaj=38.87 mas, bpa=-20.42 degrees ! Estimated noise=2.66779 mJy/beam. ! clean: niter=200 gain=0.02 cutoff=0 ! Component: 050 - total flux cleaned = 0.0363528 Jy ! Component: 100 - total flux cleaned = 0.0496128 Jy ! Component: 150 - total flux cleaned = 0.0512584 Jy ! Component: 200 - total flux cleaned = 0.0514777 Jy ! Total flux subtracted in 200 components = 0.0514777 Jy ! Clean residual min=-0.005179 max=0.005165 Jy/beam ! Clean residual mean=-0.000248 rms=0.001946 Jy/beam ! Combined flux in latest and established models = 0.0514777 Jy mapl map,true ! ! Move the cursor into the plot window and press 'H' for help clrmod true,true ! clrmod: Cleared the established and tentative models. selfcal ! Performing phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! A total of 1 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.062523Jy sigma=2.335099 ! Fit after self-cal, rms=0.062370Jy sigma=2.351600 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 800, 0.01 ! Inverting map and beam ! Estimated beam: bmin=2.185 mas, bmaj=38.85 mas, bpa=-20.42 degrees ! Estimated noise=2.67175 mJy/beam. ! clean: niter=800 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.0225919 Jy ! Component: 100 - total flux cleaned = 0.0362608 Jy ! Component: 150 - total flux cleaned = 0.0445313 Jy ! Component: 200 - total flux cleaned = 0.0495358 Jy ! Component: 250 - total flux cleaned = 0.052564 Jy ! Component: 300 - total flux cleaned = 0.0545338 Jy ! Component: 350 - total flux cleaned = 0.0561206 Jy ! Component: 400 - total flux cleaned = 0.0574213 Jy ! Component: 450 - total flux cleaned = 0.0584878 Jy ! Component: 500 - total flux cleaned = 0.0593621 Jy ! Component: 550 - total flux cleaned = 0.0600789 Jy ! Component: 600 - total flux cleaned = 0.0606665 Jy ! Component: 650 - total flux cleaned = 0.0611484 Jy ! Component: 700 - total flux cleaned = 0.0615434 Jy ! Component: 750 - total flux cleaned = 0.0618673 Jy ! Component: 800 - total flux cleaned = 0.0621328 Jy ! Total flux subtracted in 800 components = 0.0621328 Jy ! Clean residual min=-0.005511 max=0.005708 Jy/beam ! Clean residual mean=-0.000163 rms=0.002303 Jy/beam ! Combined flux in latest and established models = 0.0621328 Jy uvw 0,-2 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -2. ! Radial weighting is not currently selected. clean 1200, 0.01 ! Adding 17 model components to the UV plane model. ! The established model now contains 17 components and 0.0621328 Jy ! Inverting map and beam ! Estimated beam: bmin=2.904 mas, bmaj=34.47 mas, bpa=-19.97 degrees ! Estimated noise=2.09629 mJy/beam. ! clean: niter=1200 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00138196 Jy ! Component: 100 - total flux cleaned = 0.00222536 Jy ! Component: 150 - total flux cleaned = 0.00280601 Jy ! Component: 200 - total flux cleaned = 0.00323308 Jy ! Component: 250 - total flux cleaned = 0.00354719 Jy ! Component: 300 - total flux cleaned = 0.00377822 Jy ! Component: 350 - total flux cleaned = 0.00394814 Jy ! Component: 400 - total flux cleaned = 0.00407311 Jy ! Component: 450 - total flux cleaned = 0.00408575 Jy ! Component: 500 - total flux cleaned = 0.0040939 Jy ! Component: 550 - total flux cleaned = 0.00410591 Jy ! Component: 600 - total flux cleaned = 0.00411378 Jy ! Component: 650 - total flux cleaned = 0.00412158 Jy ! Component: 700 - total flux cleaned = 0.00412551 Jy ! Component: 750 - total flux cleaned = 0.00413322 Jy ! Component: 800 - total flux cleaned = 0.00414086 Jy ! Component: 850 - total flux cleaned = 0.00414468 Jy ! Component: 900 - total flux cleaned = 0.00415224 Jy ! Component: 950 - total flux cleaned = 0.00415974 Jy ! Component: 1000 - total flux cleaned = 0.00416347 Jy ! Component: 1050 - total flux cleaned = 0.00417083 Jy ! Component: 1100 - total flux cleaned = 0.00417448 Jy ! Component: 1150 - total flux cleaned = 0.00417819 Jy ! Component: 1200 - total flux cleaned = 0.00418539 Jy ! Total flux subtracted in 1200 components = 0.00418539 Jy ! Clean residual min=-0.003952 max=0.004314 Jy/beam ! Clean residual mean=-0.000181 rms=0.001610 Jy/beam ! Combined flux in latest and established models = 0.0663181 Jy mapcol grey ! Mapplot colormap: grey, contrast: 1 brightness: 0.5. mapl map,true ! ! Move the cursor into the plot window and press 'H' for help clrmod true,true ! clrmod: Cleared the established and tentative models. selfcal ! Performing phase self-cal ! ! 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=0.062370Jy sigma=2.351600 ! Fit after self-cal, rms=0.062370Jy sigma=2.351600 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 800, 0.01 ! Inverting map and beam ! Estimated beam: bmin=2.185 mas, bmaj=38.85 mas, bpa=-20.42 degrees ! Estimated noise=2.67175 mJy/beam. ! clean: niter=800 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.0225919 Jy ! Component: 100 - total flux cleaned = 0.0362608 Jy ! Component: 150 - total flux cleaned = 0.0445313 Jy ! Component: 200 - total flux cleaned = 0.0495358 Jy ! Component: 250 - total flux cleaned = 0.052564 Jy ! Component: 300 - total flux cleaned = 0.0545523 Jy ! Component: 350 - total flux cleaned = 0.0561437 Jy ! Component: 400 - total flux cleaned = 0.0574441 Jy ! Component: 450 - total flux cleaned = 0.0585068 Jy ! Component: 500 - total flux cleaned = 0.0593751 Jy ! Component: 550 - total flux cleaned = 0.0600847 Jy ! Component: 600 - total flux cleaned = 0.0606645 Jy ! Component: 650 - total flux cleaned = 0.0611383 Jy ! Component: 700 - total flux cleaned = 0.0615255 Jy ! Component: 750 - total flux cleaned = 0.0618418 Jy ! Component: 800 - total flux cleaned = 0.0621004 Jy ! Total flux subtracted in 800 components = 0.0621004 Jy ! Clean residual min=-0.005457 max=0.005713 Jy/beam ! Clean residual mean=-0.000164 rms=0.002297 Jy/beam ! Combined flux in latest and established models = 0.0621003 Jy uvw 0,-2 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -2. ! Radial weighting is not currently selected. clean 1200, 0.01 ! Adding 21 model components to the UV plane model. ! The established model now contains 21 components and 0.0621003 Jy ! Inverting map and beam ! Estimated beam: bmin=2.904 mas, bmaj=34.47 mas, bpa=-19.97 degrees ! Estimated noise=2.09629 mJy/beam. ! clean: niter=1200 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00129847 Jy ! Component: 100 - total flux cleaned = 0.00215477 Jy ! Component: 150 - total flux cleaned = 0.00277963 Jy ! Component: 200 - total flux cleaned = 0.00323599 Jy ! Component: 250 - total flux cleaned = 0.00356929 Jy ! Component: 300 - total flux cleaned = 0.00381272 Jy ! Component: 350 - total flux cleaned = 0.00399051 Jy ! Component: 400 - total flux cleaned = 0.00412035 Jy ! Component: 450 - total flux cleaned = 0.00417712 Jy ! Component: 500 - total flux cleaned = 0.00418815 Jy ! Component: 550 - total flux cleaned = 0.00419529 Jy ! Component: 600 - total flux cleaned = 0.00420227 Jy ! Component: 650 - total flux cleaned = 0.00420916 Jy ! Component: 700 - total flux cleaned = 0.00421921 Jy ! Component: 750 - total flux cleaned = 0.00422571 Jy ! Component: 800 - total flux cleaned = 0.00423205 Jy ! Component: 850 - total flux cleaned = 0.00423838 Jy ! Component: 900 - total flux cleaned = 0.0042445 Jy ! Component: 950 - total flux cleaned = 0.00425058 Jy ! Component: 1000 - total flux cleaned = 0.00425645 Jy ! Component: 1050 - total flux cleaned = 0.00426504 Jy ! Component: 1100 - total flux cleaned = 0.0042707 Jy ! Component: 1150 - total flux cleaned = 0.00427348 Jy ! Component: 1200 - total flux cleaned = 0.00427893 Jy ! Total flux subtracted in 1200 components = 0.00427893 Jy ! Clean residual min=-0.003706 max=0.004424 Jy/beam ! Clean residual mean=-0.000181 rms=0.001507 Jy/beam ! Combined flux in latest and established models = 0.0663792 Jy mapcol grey ! Mapplot colormap: grey, contrast: 1 brightness: 0.5. mapl map,true ! ! Move the cursor into the plot window and press 'H' for help uncalib selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 32 components and 0.0663793 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=0.023321Jy sigma=0.661021 ! Fit after self-cal, rms=0.023214Jy sigma=0.653707 selfcal true,true,1.e6 ! Performing amp+phase self-cal over 1e+06 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=0.023214Jy sigma=0.653707 ! Fit after self-cal, rms=0.025096Jy sigma=0.567443 levs=1.563,3.125,6.25,12.5,25.0,50.0 mapcol color ! Mapplot colormap: rainbow, contrast: 1 brightness: 0.5. mapl cln ! Inverting map and beam ! Estimated beam: bmin=2.986 mas, bmaj=33.89 mas, bpa=-19.95 degrees ! Estimated noise=2.10593 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.986 x 33.89 at -19.95 degrees (North through East) ! Clean map min=-0.0035742 max=0.062127 Jy/beam ! ! Move the cursor into the plot window and press 'H' for help mapcol grey ! Mapplot colormap: grey, contrast: 1 brightness: 0.5. clrmod true,true ! clrmod: Cleared the established and tentative models. selfcal ! Performing phase self-cal ! ! 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=0.064809Jy sigma=2.403088 ! Fit after self-cal, rms=0.064809Jy sigma=2.403088 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 800, 0.01 ! Inverting map and beam ! Estimated beam: bmin=2.219 mas, bmaj=38.35 mas, bpa=-20.4 degrees ! Estimated noise=2.75036 mJy/beam. ! clean: niter=800 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.0234387 Jy ! Component: 100 - total flux cleaned = 0.03762 Jy ! Component: 150 - total flux cleaned = 0.0462006 Jy ! Component: 200 - total flux cleaned = 0.0513925 Jy ! Component: 250 - total flux cleaned = 0.0545341 Jy ! Component: 300 - total flux cleaned = 0.0564351 Jy ! Component: 350 - total flux cleaned = 0.0577236 Jy ! Component: 400 - total flux cleaned = 0.0587643 Jy ! Component: 450 - total flux cleaned = 0.0596069 Jy ! Component: 500 - total flux cleaned = 0.0602892 Jy ! Component: 550 - total flux cleaned = 0.0608417 Jy ! Component: 600 - total flux cleaned = 0.061289 Jy ! Component: 650 - total flux cleaned = 0.0616512 Jy ! Component: 700 - total flux cleaned = 0.0619444 Jy ! Component: 750 - total flux cleaned = 0.0621819 Jy ! Component: 800 - total flux cleaned = 0.0623741 Jy ! Total flux subtracted in 800 components = 0.0623741 Jy ! Clean residual min=-0.005089 max=0.004990 Jy/beam ! Clean residual mean=-0.000125 rms=0.002047 Jy/beam ! Combined flux in latest and established models = 0.0623741 Jy uvw 0,-2 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -2. ! Radial weighting is not currently selected. clean 1200, 0.01 ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.0623741 Jy ! Inverting map and beam ! Estimated beam: bmin=2.986 mas, bmaj=33.89 mas, bpa=-19.95 degrees ! Estimated noise=2.10593 mJy/beam. ! clean: niter=1200 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00103476 Jy ! Component: 100 - total flux cleaned = 0.00168079 Jy ! Component: 150 - total flux cleaned = 0.00213008 Jy ! Component: 200 - total flux cleaned = 0.00245533 Jy ! Component: 250 - total flux cleaned = 0.00269079 Jy ! Component: 300 - total flux cleaned = 0.00286124 Jy ! Component: 350 - total flux cleaned = 0.00298464 Jy ! Component: 400 - total flux cleaned = 0.00299703 Jy ! Component: 450 - total flux cleaned = 0.00300895 Jy ! Component: 500 - total flux cleaned = 0.00302049 Jy ! Component: 550 - total flux cleaned = 0.0030317 Jy ! Component: 600 - total flux cleaned = 0.00304256 Jy ! Component: 650 - total flux cleaned = 0.00305303 Jy ! Component: 700 - total flux cleaned = 0.00305991 Jy ! Component: 750 - total flux cleaned = 0.00306332 Jy ! Component: 800 - total flux cleaned = 0.00306333 Jy ! Component: 850 - total flux cleaned = 0.00306668 Jy ! Component: 900 - total flux cleaned = 0.00306997 Jy ! Component: 950 - total flux cleaned = 0.00307329 Jy ! Component: 1000 - total flux cleaned = 0.00307652 Jy ! Component: 1050 - total flux cleaned = 0.0030798 Jy ! Component: 1100 - total flux cleaned = 0.00307981 Jy ! Component: 1150 - total flux cleaned = 0.00308303 Jy ! Component: 1200 - total flux cleaned = 0.0030862 Jy ! Total flux subtracted in 1200 components = 0.0030862 Jy ! Clean residual min=-0.003870 max=0.003701 Jy/beam ! Clean residual mean=-0.000139 rms=0.001397 Jy/beam ! Combined flux in latest and established models = 0.0654603 Jy mapcol grey ! Mapplot colormap: grey, contrast: 1 brightness: 0.5. mapl map,true ! ! Move the cursor into the plot window and press 'H' for help levs=1.563,3.125,6.25,12.5,25.0,50.0 mapcol color ! Mapplot colormap: rainbow, contrast: 1 brightness: 0.5. mapl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.986 x 33.89 at -19.95 degrees (North through East) ! Clean map min=-0.0038626 max=0.060451 Jy/beam ! Clean map min=-0.0038625 max=0.062373 Jy/beam ! ! Move the cursor into the plot window and press 'H' for help mapcol grey ! Mapplot colormap: grey, contrast: 1 brightness: 0.5. x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (512),0.01 ! Adding 14 model components to the UV plane model. ! The established model now contains 23 components and 0.0654603 Jy ! Inverting map ! clean: niter=512 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000232471 Jy ! Component: 100 - total flux cleaned = -0.00019649 Jy ! Component: 150 - total flux cleaned = 0.000662661 Jy ! Component: 200 - total flux cleaned = 0.00146872 Jy ! Component: 250 - total flux cleaned = 0.00200129 Jy ! Component: 300 - total flux cleaned = 0.00251213 Jy ! Component: 350 - total flux cleaned = 0.00300234 Jy ! Component: 400 - total flux cleaned = 0.003473 Jy ! Component: 450 - total flux cleaned = 0.00392498 Jy ! Component: 500 - total flux cleaned = 0.00425905 Jy ! Total flux subtracted in 512 components = 0.00438703 Jy ! Clean residual min=-0.001305 max=0.001314 Jy/beam ! Clean residual mean=-0.000004 rms=0.000491 Jy/beam ! Combined flux in latest and established models = 0.0698473 Jy levs=1.563,3.125,6.25,12.5,25.0,50.0 mapcol color ! Mapplot colormap: rainbow, contrast: 1 brightness: 0.5. mapl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.986 x 33.89 at -19.95 degrees (North through East) ! Clean map min=-0.0013046 max=0.062404 Jy/beam ! Clean map min=-0.0023037 max=0.062411 Jy/beam ! ! Move the cursor into the plot window and press 'H' for help mapcol grey ! Mapplot colormap: grey, contrast: 1 brightness: 0.5. save J2251-3827_X ! Writing UV FITS file: J2251-3827_X.uvf ! Writing 61 model components to file: J2251-3827_X.mod ! wwins: Wrote 3 windows to J2251-3827_X.win ! Adding 38 model components to the UV plane model. ! The established model now contains 61 components and 0.0698473 Jy ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.986 x 33.89 at -19.95 degrees (North through East) ! Clean map min=-0.0020288 max=0.062429 Jy/beam ! Writing clean map to FITS file: J2251-3827_X.fits ! Writing difmap environment to: J2251-3827_X.par quit ! Quitting program ! Log file difmap.log_479 closed on Sat Feb 15 11:32:20 2020