! Started logfile: /vlbi/bs262/maps//J0816+4910_X_20180503_dfm.log on Mon Jun 4 23:26:47 2018 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/bs262/maps//J0816+4910_X_20180503_uva.fits ! Reading UV FITS file: /vlbi/bs262/maps//J0816+4910_X_20180503_uva.fits ! AN table 1: 91 integrations on 45 of 45 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J0816+4910 ! ! 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 94 lines of history. ! ! Reading 32760 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 J0816+4910_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. ! ! 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=1.003721Jy sigma=26.462694 ! Fit after self-cal, rms=0.953117Jy sigma=25.134652 ! 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=0.6557 mas, bmaj=2.596 mas, bpa=-0.2381 degrees ! Estimated noise=0.315341 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 = 0.0347521 Jy ! Component: 100 - total flux cleaned = 0.0429883 Jy ! Total flux subtracted in 100 components = 0.0429883 Jy ! Clean residual min=-0.002417 max=0.003487 Jy/beam ! Clean residual mean=0.000002 rms=0.000521 Jy/beam ! Combined flux in latest and established models = 0.0429883 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.0429883 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=0.029250Jy sigma=0.739276 ! Fit after self-cal, rms=0.027739Jy sigma=0.698601 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00421782 Jy ! Component: 100 - total flux cleaned = 0.00590313 Jy ! Total flux subtracted in 100 components = 0.00590313 Jy ! Clean residual min=-0.001606 max=0.002235 Jy/beam ! Clean residual mean=0.000001 rms=0.000410 Jy/beam ! Combined flux in latest and established models = 0.0488914 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 7 components and 0.0488914 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=0.026885Jy sigma=0.674399 ! Fit after self-cal, rms=0.026886Jy sigma=0.674330 ! 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=0.8882 mas, bmaj=2.69 mas, bpa=-0.7846 degrees ! Estimated noise=0.150671 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 (0.8, -0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00253695 Jy ! Component: 100 - total flux cleaned = 0.00408469 Jy ! Component: 150 - total flux cleaned = 0.00513425 Jy ! Component: 200 - total flux cleaned = 0.00593747 Jy ! Total flux subtracted in 200 components = 0.00593747 Jy ! Clean residual min=-0.001081 max=0.001651 Jy/beam ! Clean residual mean=0.000001 rms=0.000255 Jy/beam ! Combined flux in latest and established models = 0.0548289 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 28 components and 0.0548289 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=0.026628Jy sigma=0.666672 ! Fit after self-cal, rms=0.026610Jy sigma=0.666265 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8882 x 2.69 at -0.7846 degrees (North through East) ! Clean map min=-0.0010803 max=0.047446 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.00 HN 1.01 KP 0.96 ! LA 0.99 MK 0.94 NL 1.07 OV 1.02 ! PT 0.97 SC 1.02 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.02 HN 0.98 KP 0.93 ! LA 0.98 MK 1.00 NL 1.05 OV 1.02 ! PT 0.96 SC 1.01 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.01 HN 1.03 KP 0.98 ! LA 0.97 MK 1.01 NL 1.03 OV 1.04 ! PT 0.97 SC 1.02 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.02 HN 0.98 KP 0.97 ! LA 0.99 MK 1.00 NL 1.05 OV 1.03 ! PT 0.97 SC 1.05 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.04 HN 0.99 KP 0.96 ! LA 1.00 MK 1.02 NL 1.07 OV 1.04 ! PT 0.98 SC 1.02 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.99 HN 1.02 KP 0.95 ! LA 1.00 MK 1.03 NL 1.06 OV 1.04 ! PT 0.96 SC 1.05 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.00 HN 1.05 KP 0.98 ! LA 0.96 MK 1.03 NL 1.06 OV 1.05 ! PT 0.96 SC 1.01 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.00 HN 0.99 KP 0.96 ! LA 0.99 MK 1.04 NL 1.07 OV 1.04 ! PT 0.97 SC 1.05 ! ! ! Fit before self-cal, rms=0.026610Jy sigma=0.666265 ! Fit after self-cal, rms=0.026454Jy sigma=0.662576 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8952 mas, bmaj=2.675 mas, bpa=-0.7463 degrees ! Estimated noise=0.150204 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 (4.6, -0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000425142 Jy ! Component: 100 - total flux cleaned = 0.000668009 Jy ! Component: 150 - total flux cleaned = 0.000811836 Jy ! Component: 200 - total flux cleaned = 0.000888426 Jy ! Total flux subtracted in 200 components = 0.000888426 Jy ! Clean residual min=-0.000496 max=0.000544 Jy/beam ! Clean residual mean=0.000000 rms=0.000126 Jy/beam ! Combined flux in latest and established models = 0.0557173 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 49 components and 0.0557173 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=0.026420Jy sigma=0.661589 ! Fit after self-cal, rms=0.026423Jy sigma=0.661499 ! 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=0.026423Jy sigma=0.661499 ! Fit after self-cal, rms=0.026434Jy sigma=0.661462 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8942 mas, bmaj=2.672 mas, bpa=-0.7289 degrees ! Estimated noise=0.150257 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000223864 Jy ! Component: 100 - total flux cleaned = 0.000245851 Jy ! Component: 150 - total flux cleaned = 0.000245912 Jy ! Component: 200 - total flux cleaned = 0.000229347 Jy ! Total flux subtracted in 200 components = 0.000229347 Jy ! Clean residual min=-0.000479 max=0.000522 Jy/beam ! Clean residual mean=0.000000 rms=0.000117 Jy/beam ! Combined flux in latest and established models = 0.0559466 Jy selfcal ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 66 components and 0.0559466 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=0.026427Jy sigma=0.661242 ! Fit after self-cal, rms=0.026427Jy sigma=0.661237 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 (34.4, 39.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000323311 Jy ! Component: 100 - total flux cleaned = 0.000340212 Jy ! Component: 150 - total flux cleaned = 0.000372177 Jy ! Component: 200 - total flux cleaned = 0.000379281 Jy ! Total flux subtracted in 200 components = 0.000379281 Jy ! Clean residual min=-0.000478 max=0.000485 Jy/beam ! Clean residual mean=0.000000 rms=0.000110 Jy/beam ! Combined flux in latest and established models = 0.0563259 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 85 components and 0.0563259 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=0.026419Jy sigma=0.660996 ! Fit after self-cal, rms=0.026418Jy sigma=0.660988 ! Inverting map ! Added new window around map position (-48.8, -20.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000156468 Jy ! Component: 100 - total flux cleaned = 0.000124845 Jy ! Component: 150 - total flux cleaned = 9.39488e-05 Jy ! Component: 200 - total flux cleaned = 7.92776e-05 Jy ! Total flux subtracted in 200 components = 7.92776e-05 Jy ! Clean residual min=-0.000443 max=0.000458 Jy/beam ! Clean residual mean=0.000000 rms=0.000104 Jy/beam ! Combined flux in latest and established models = 0.0564052 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 106 components and 0.0564052 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=0.026410Jy sigma=0.660767 ! Fit after self-cal, rms=0.026410Jy sigma=0.660757 ! Inverting map ! Added new window around map position (34.6, 11.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000424878 Jy ! Component: 100 - total flux cleaned = 0.000469744 Jy ! Component: 150 - total flux cleaned = 0.000492173 Jy ! Component: 200 - total flux cleaned = 0.000471943 Jy ! Total flux subtracted in 200 components = 0.000471943 Jy ! Clean residual min=-0.000428 max=0.000407 Jy/beam ! Clean residual mean=0.000000 rms=0.000098 Jy/beam ! Combined flux in latest and established models = 0.0568771 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 127 components and 0.0568771 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=0.026402Jy sigma=0.660544 ! Fit after self-cal, rms=0.026401Jy sigma=0.660533 ! 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=0.026401Jy sigma=0.660533 ! Fit after self-cal, rms=0.026404Jy sigma=0.660458 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8933 mas, bmaj=2.671 mas, bpa=-0.7428 degrees ! Estimated noise=0.150334 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000107833 Jy ! Component: 100 - total flux cleaned = 0.000165106 Jy ! Component: 150 - total flux cleaned = 0.00019175 Jy ! Component: 200 - total flux cleaned = 0.00021642 Jy ! Total flux subtracted in 200 components = 0.00021642 Jy ! Clean residual min=-0.000419 max=0.000389 Jy/beam ! Clean residual mean=0.000000 rms=0.000093 Jy/beam ! Combined flux in latest and established models = 0.0570935 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 141 components and 0.0570935 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=0.026401Jy sigma=0.660362 ! Fit after self-cal, rms=0.026401Jy sigma=0.660361 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 = 5.99748e-05 Jy ! Component: 100 - total flux cleaned = 0.000100212 Jy ! Component: 150 - total flux cleaned = 0.00012758 Jy ! Component: 200 - total flux cleaned = 0.000154108 Jy ! Total flux subtracted in 200 components = 0.000154108 Jy ! Clean residual min=-0.000419 max=0.000392 Jy/beam ! Clean residual mean=0.000000 rms=0.000092 Jy/beam ! Combined flux in latest and established models = 0.0572476 Jy ! Performing phase self-cal ! Adding 50 model components to the UV plane model. ! The established model now contains 157 components and 0.0572476 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=0.026399Jy sigma=0.660303 ! Fit after self-cal, rms=0.026399Jy sigma=0.660301 ! 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=0.026399Jy sigma=0.660301 ! Fit after self-cal, rms=0.026391Jy sigma=0.660273 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.03 mas, bmaj=2.955 mas, bpa=-1.597 degrees ! Estimated noise=0.189324 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000146612 Jy ! Component: 100 - total flux cleaned = 0.000245288 Jy ! Component: 150 - total flux cleaned = 0.000303217 Jy ! Component: 200 - total flux cleaned = 0.000327394 Jy ! Total flux subtracted in 200 components = 0.000327394 Jy ! Clean residual min=-0.000420 max=0.000351 Jy/beam ! Clean residual mean=0.000000 rms=0.000093 Jy/beam ! Combined flux in latest and established models = 0.057575 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 178 components and 0.0575751 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=0.026390Jy sigma=0.660234 ! Fit after self-cal, rms=0.026390Jy sigma=0.660233 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 = 4.8343e-05 Jy ! Component: 100 - total flux cleaned = 7.90354e-05 Jy ! Component: 150 - total flux cleaned = 0.000103943 Jy ! Component: 200 - total flux cleaned = 0.000127637 Jy ! Total flux subtracted in 200 components = 0.000127637 Jy ! Clean residual min=-0.000398 max=0.000340 Jy/beam ! Clean residual mean=0.000000 rms=0.000090 Jy/beam ! Combined flux in latest and established models = 0.0577027 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 189 components and 0.0577027 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=0.026390Jy sigma=0.660214 ! Fit after self-cal, rms=0.026390Jy sigma=0.660212 ! 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=0.8929 mas, bmaj=2.67 mas, bpa=-0.7538 degrees ! Estimated noise=0.150307 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8929 x 2.67 at -0.7538 degrees (North through East) ! Clean map min=-0.00057692 max=0.047234 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=0.6598 mas, bmaj=2.574 mas, bpa=-0.2622 degrees ! Estimated noise=0.315219 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0355549 Jy ! Component: 100 - total flux cleaned = 0.043901 Jy ! Component: 150 - total flux cleaned = 0.0476869 Jy ! Component: 200 - total flux cleaned = 0.0495445 Jy ! Total flux subtracted in 200 components = 0.0495445 Jy ! Clean residual min=-0.001325 max=0.001257 Jy/beam ! Clean residual mean=0.000001 rms=0.000324 Jy/beam ! Combined flux in latest and established models = 0.0495445 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 8 model components to the UV plane model. ! The established model now contains 8 components and 0.0495445 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8929 mas, bmaj=2.67 mas, bpa=-0.7538 degrees ! Estimated noise=0.150307 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 = 0.00192345 Jy ! Component: 100 - total flux cleaned = 0.00317466 Jy ! Component: 150 - total flux cleaned = 0.00408503 Jy ! Component: 200 - total flux cleaned = 0.00467552 Jy ! Total flux subtracted in 200 components = 0.00467552 Jy ! Clean residual min=-0.000552 max=0.000632 Jy/beam ! Clean residual mean=0.000000 rms=0.000154 Jy/beam ! Combined flux in latest and established models = 0.05422 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 44 components and 0.05422 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=2.03 mas, bmaj=2.955 mas, bpa=-1.597 degrees ! Estimated noise=0.189324 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000958834 Jy ! Component: 100 - total flux cleaned = 0.00119379 Jy ! Component: 150 - total flux cleaned = 0.00145553 Jy ! Component: 200 - total flux cleaned = 0.00169366 Jy ! Total flux subtracted in 200 components = 0.00169366 Jy ! Clean residual min=-0.000575 max=0.000499 Jy/beam ! Clean residual mean=0.000000 rms=0.000133 Jy/beam ! Combined flux in latest and established models = 0.0559137 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 = 0.000191692 Jy ! Component: 100 - total flux cleaned = 0.000362506 Jy ! Component: 150 - total flux cleaned = 0.000494836 Jy ! Component: 200 - total flux cleaned = 0.000615239 Jy ! Total flux subtracted in 200 components = 0.000615239 Jy ! Clean residual min=-0.000499 max=0.000390 Jy/beam ! Clean residual mean=0.000000 rms=0.000113 Jy/beam ! Combined flux in latest and established models = 0.0565289 Jy ! Adding 59 model components to the UV plane model. ! The established model now contains 93 components and 0.0565289 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8929 mas, bmaj=2.67 mas, bpa=-0.7538 degrees ! Estimated noise=0.150307 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 5.86637e-05 Jy ! Component: 100 - total flux cleaned = 0.000133146 Jy ! Component: 150 - total flux cleaned = 0.000210699 Jy ! Component: 200 - total flux cleaned = 0.000292162 Jy ! Total flux subtracted in 200 components = 0.000292162 Jy ! Clean residual min=-0.000426 max=0.000393 Jy/beam ! Clean residual mean=0.000000 rms=0.000100 Jy/beam ! Combined flux in latest and established models = 0.0568211 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 117 components and 0.0568211 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=0.026402Jy sigma=0.660561 ! Fit after self-cal, rms=0.026401Jy sigma=0.660542 wmodel J0816+4910_X_map.mod ! Writing 117 model components to file: J0816+4910_X_map.mod wobs J0816+4910_X_uvs.fits ! Writing UV FITS file: J0816+4910_X_uvs.fits wwins J0816+4910_X_map.win ! wwins: Wrote 6 windows to J0816+4910_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 = -5.6575e-05 Jy ! Component: 100 - total flux cleaned = -9.85915e-05 Jy ! Component: 150 - total flux cleaned = -0.000158449 Jy ! Component: 200 - total flux cleaned = -0.000215866 Jy ! Component: 250 - total flux cleaned = -0.000246813 Jy ! Component: 300 - total flux cleaned = -0.000294539 Jy ! Component: 350 - total flux cleaned = -0.000323749 Jy ! Component: 400 - total flux cleaned = -0.000369526 Jy ! Component: 450 - total flux cleaned = -0.000414328 Jy ! Component: 500 - total flux cleaned = -0.000430839 Jy ! Component: 550 - total flux cleaned = -0.000457839 Jy ! Component: 600 - total flux cleaned = -0.000484452 Jy ! Component: 650 - total flux cleaned = -0.000510621 Jy ! Component: 700 - total flux cleaned = -0.000546764 Jy ! Component: 750 - total flux cleaned = -0.000567145 Jy ! Component: 800 - total flux cleaned = -0.000612337 Jy ! Component: 850 - total flux cleaned = -0.000617306 Jy ! Component: 900 - total flux cleaned = -0.000656452 Jy ! Component: 950 - total flux cleaned = -0.000690296 Jy ! Component: 1000 - total flux cleaned = -0.000718846 Jy ! Component: 1050 - total flux cleaned = -0.000728223 Jy ! Component: 1100 - total flux cleaned = -0.0007468 Jy ! Component: 1150 - total flux cleaned = -0.000760557 Jy ! Component: 1200 - total flux cleaned = -0.000765043 Jy ! Component: 1250 - total flux cleaned = -0.000769573 Jy ! Component: 1300 - total flux cleaned = -0.000787318 Jy ! Component: 1350 - total flux cleaned = -0.00078298 Jy ! Component: 1400 - total flux cleaned = -0.000796028 Jy ! Component: 1450 - total flux cleaned = -0.000800388 Jy ! Component: 1500 - total flux cleaned = -0.000808893 Jy ! Component: 1550 - total flux cleaned = -0.00081735 Jy ! Component: 1600 - total flux cleaned = -0.000825662 Jy ! Component: 1650 - total flux cleaned = -0.000825718 Jy ! Component: 1700 - total flux cleaned = -0.000837977 Jy ! Component: 1750 - total flux cleaned = -0.000850059 Jy ! Component: 1800 - total flux cleaned = -0.000854076 Jy ! Component: 1850 - total flux cleaned = -0.000854054 Jy ! Component: 1900 - total flux cleaned = -0.000854034 Jy ! Component: 1950 - total flux cleaned = -0.000850155 Jy ! Component: 2000 - total flux cleaned = -0.000853973 Jy ! Component: 2050 - total flux cleaned = -0.000857813 Jy ! Component: 2100 - total flux cleaned = -0.000865449 Jy ! Component: 2150 - total flux cleaned = -0.000869193 Jy ! Component: 2200 - total flux cleaned = -0.000869157 Jy ! Component: 2250 - total flux cleaned = -0.00087289 Jy ! Component: 2300 - total flux cleaned = -0.000865507 Jy ! Component: 2350 - total flux cleaned = -0.00086184 Jy ! Component: 2400 - total flux cleaned = -0.00085458 Jy ! Component: 2450 - total flux cleaned = -0.000854595 Jy ! Component: 2500 - total flux cleaned = -0.000854653 Jy ! Component: 2550 - total flux cleaned = -0.000858212 Jy ! Component: 2600 - total flux cleaned = -0.000858213 Jy ! Component: 2650 - total flux cleaned = -0.000858228 Jy ! Component: 2700 - total flux cleaned = -0.000854736 Jy ! Component: 2750 - total flux cleaned = -0.000847778 Jy ! Component: 2800 - total flux cleaned = -0.000837471 Jy ! Component: 2850 - total flux cleaned = -0.000844275 Jy ! Component: 2900 - total flux cleaned = -0.000827274 Jy ! Component: 2950 - total flux cleaned = -0.000830647 Jy ! Component: 3000 - total flux cleaned = -0.000820623 Jy ! Component: 3050 - total flux cleaned = -0.000827265 Jy ! Component: 3100 - total flux cleaned = -0.000813969 Jy ! Component: 3150 - total flux cleaned = -0.000810696 Jy ! Component: 3200 - total flux cleaned = -0.00080415 Jy ! Component: 3250 - total flux cleaned = -0.000797625 Jy ! Component: 3300 - total flux cleaned = -0.000791147 Jy ! Component: 3350 - total flux cleaned = -0.000781482 Jy ! Component: 3400 - total flux cleaned = -0.000778278 Jy ! Component: 3450 - total flux cleaned = -0.000775074 Jy ! Component: 3500 - total flux cleaned = -0.000746523 Jy ! Component: 3550 - total flux cleaned = -0.000746524 Jy ! Component: 3600 - total flux cleaned = -0.000730834 Jy ! Component: 3650 - total flux cleaned = -0.000724592 Jy ! Component: 3700 - total flux cleaned = -0.000724559 Jy ! Component: 3750 - total flux cleaned = -0.000709097 Jy ! Component: 3800 - total flux cleaned = -0.000696808 Jy ! Component: 3850 - total flux cleaned = -0.000690677 Jy ! Component: 3900 - total flux cleaned = -0.00068459 Jy ! Component: 3950 - total flux cleaned = -0.000675474 Jy ! Component: 4000 - total flux cleaned = -0.000663393 Jy ! Component: 4050 - total flux cleaned = -0.000657407 Jy ! Total flux subtracted in 4096 components = -0.000651436 Jy ! Clean residual min=-0.000220 max=0.000163 Jy/beam ! Clean residual mean=0.000000 rms=0.000052 Jy/beam ! Combined flux in latest and established models = 0.0561697 Jy keep ! Adding 287 model components to the UV plane model. ! The established model now contains 404 components and 0.0561697 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bs262/maps//J0816+4910_X_20180503_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8929 x 2.67 at -0.7538 degrees (North through East) ! Clean map min=-0.00047215 max=0.04745 Jy/beam ! Writing clean map to FITS file: /vlbi/bs262/maps//J0816+4910_X_20180503_map.fits wmodel /vlbi/bs262/maps//J0816+4910_X_20180503_map.mod ! Writing 404 model components to file: /vlbi/bs262/maps//J0816+4910_X_20180503_map.mod wobs /vlbi/bs262/maps//J0816+4910_X_20180503_uvs.fits ! Writing UV FITS file: /vlbi/bs262/maps//J0816+4910_X_20180503_uvs.fits wwins /vlbi/bs262/maps//J0816+4910_X_20180503_map.win ! wwins: Wrote 7 windows to /vlbi/bs262/maps//J0816+4910_X_20180503_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0474503 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 5.18404e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.327756 0.327756 0.655511 1.31102 2.62204 5.24409 10.4882 20.9764 41.9527 83.9054 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.047 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 915.316 quit ! Quitting program ! Log file /vlbi/bs262/maps//J0816+4910_X_20180503_dfm.log closed on Mon Jun 4 23:26:53 2018