! Started logfile: /vlbi/uf001/uva//J0253+3835_X_dfm.log on Sun Jan 13 21:34:17 2019 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 8.42800 obs /vlbi/uf001/uva//J0253+3835_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0253+3835_X_uva.fits ! AN table 1: 42 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.887831 visibilities/baseline/integration-bin. ! Found source: J0253+3835 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 134 lines of history. ! ! Reading 20136 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 12 channels. ! Selecting polarization: RR, channels: 1..12 ! 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 ! Reading IF 9 channels: 9..9 ! Reading IF 10 channels: 10..10 ! Reading IF 11 channels: 11..11 ! Reading IF 12 channels: 12..12 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 J0253+3835_X] float lim_self lim_self = 120.0 float lim_val lim_va = 1.2 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff print "===============================================================" ! =============================================================== ! print "=== Difmap script: pima_mupet_01.dvm version of 2016.05.19 === " ! === Difmap script: pima_mupet_01.dvm version of 2016.05.19 === ! mapsize field_size, field_cell ! Map grid = 1024x1024 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 83 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 83 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 83 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 83 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 83 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 83 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 83 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 83 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 83 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 83 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 83 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 83 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.046107Jy sigma=23.107380 ! Fit after self-cal, rms=0.690577Jy sigma=15.286407 ! 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=0.6999 mas, bmaj=1.391 mas, bpa=-2.579 degrees ! Estimated noise=0.40782 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 = 0.234589 Jy ! Component: 100 - total flux cleaned = 0.297426 Jy ! Total flux subtracted in 100 components = 0.297426 Jy ! Clean residual min=-0.010394 max=0.027384 Jy/beam ! Clean residual mean=0.000007 rms=0.002479 Jy/beam ! Combined flux in latest and established models = 0.297426 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.297426 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.084692Jy sigma=1.814234 ! Fit after self-cal, rms=0.084451Jy sigma=1.809551 ! Inverting map ! Added new window around map position (-0.2, 1.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0322464 Jy ! Component: 100 - total flux cleaned = 0.0508588 Jy ! Total flux subtracted in 100 components = 0.0508588 Jy ! Clean residual min=-0.007701 max=0.013223 Jy/beam ! Clean residual mean=0.000003 rms=0.001642 Jy/beam ! Combined flux in latest and established models = 0.348284 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 16 components and 0.348284 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.067605Jy sigma=1.449225 ! Fit after self-cal, rms=0.067184Jy sigma=1.440323 ! Inverting map ! Added new window around map position (1.8, 0.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0142869 Jy ! Component: 100 - total flux cleaned = 0.0242241 Jy ! Total flux subtracted in 100 components = 0.0242241 Jy ! Clean residual min=-0.007033 max=0.008712 Jy/beam ! Clean residual mean=0.000002 rms=0.001361 Jy/beam ! Combined flux in latest and established models = 0.372508 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 29 components and 0.372508 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.062920Jy sigma=1.348196 ! Fit after self-cal, rms=0.062796Jy sigma=1.345468 ! 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=0.8806 mas, bmaj=1.665 mas, bpa=-2.462 degrees ! Estimated noise=0.247694 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 = 0.0110946 Jy ! Component: 100 - total flux cleaned = 0.0183213 Jy ! Component: 150 - total flux cleaned = 0.0235638 Jy ! Component: 200 - total flux cleaned = 0.0258475 Jy ! Total flux subtracted in 200 components = 0.0258475 Jy ! Clean residual min=-0.006692 max=0.008764 Jy/beam ! Clean residual mean=-0.000000 rms=0.001368 Jy/beam ! Combined flux in latest and established models = 0.398356 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 45 components and 0.398356 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.060380Jy sigma=1.292248 ! Fit after self-cal, rms=0.060260Jy sigma=1.289772 ! Inverting map ! Added new window around map position (-1.6, -1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00760737 Jy ! Component: 100 - total flux cleaned = 0.0104625 Jy ! Component: 150 - total flux cleaned = 0.0118664 Jy ! Component: 200 - total flux cleaned = 0.0131455 Jy ! Total flux subtracted in 200 components = 0.0131455 Jy ! Clean residual min=-0.006303 max=0.006974 Jy/beam ! Clean residual mean=-0.000001 rms=0.001229 Jy/beam ! Combined flux in latest and established models = 0.411502 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 63 components and 0.411502 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.059196Jy sigma=1.263368 ! Fit after self-cal, rms=0.059120Jy sigma=1.261811 ! Inverting map ! Added new window around map position (-2, 4.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00710246 Jy ! Component: 100 - total flux cleaned = 0.0115876 Jy ! Component: 150 - total flux cleaned = 0.0147422 Jy ! Component: 200 - total flux cleaned = 0.0169217 Jy ! Total flux subtracted in 200 components = 0.0169217 Jy ! Clean residual min=-0.005340 max=0.004981 Jy/beam ! Clean residual mean=-0.000000 rms=0.001080 Jy/beam ! Combined flux in latest and established models = 0.428423 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 80 components and 0.428423 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.058079Jy sigma=1.238220 ! Fit after self-cal, rms=0.058023Jy sigma=1.236993 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8806 x 1.665 at -2.462 degrees (North through East) ! Clean map min=-0.0051273 max=0.3038 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.02 HN 0.97 KP 1.03 ! LA 1.02 MK 1.02 NL 1.04 OV 0.93 ! PT 0.94 SC 0.97 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.02 HN 0.97 KP 1.04 ! LA 1.00 MK 1.02 NL 1.05 OV 0.92 ! PT 0.96 SC 0.97 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.02 HN 0.97 KP 1.03 ! LA 0.99 MK 1.02 NL 1.07 OV 0.93 ! PT 0.95 SC 0.98 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.04 HN 0.95 KP 1.04 ! LA 1.01 MK 1.02 NL 1.06 OV 0.93 ! PT 0.95 SC 0.97 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.02 HN 0.98 KP 1.04 ! LA 1.00 MK 1.02 NL 1.07 OV 0.94 ! PT 0.95 SC 0.98 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.04 HN 0.97 KP 1.02 ! LA 1.02 MK 1.02 NL 1.04 OV 0.93 ! PT 0.95 SC 0.98 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.03 HN 0.97 KP 1.02 ! LA 1.00 MK 1.03 NL 1.07 OV 0.92 ! PT 0.96 SC 1.00 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.04 HN 0.98 KP 1.05 ! LA 1.01 MK 1.03 NL 1.06 OV 0.92 ! PT 0.94 SC 0.96 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.02 HN 0.99 KP 1.02 ! LA 1.00 MK 1.03 NL 1.06 OV 0.93 ! PT 0.97 SC 0.99 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.03 HN 0.96 KP 1.05 ! LA 1.02 MK 1.01 NL 1.06 OV 0.93 ! PT 0.95 SC 0.99 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.01 HN 0.95 KP 1.06 ! LA 1.02 MK 1.01 NL 1.06 OV 0.94 ! PT 0.95 SC 1.00 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.01 HN 0.95 KP 1.04 ! LA 1.01 MK 1.03 NL 1.07 OV 0.92 ! PT 0.95 SC 0.98 ! ! ! Fit before self-cal, rms=0.058023Jy sigma=1.236993 ! Fit after self-cal, rms=0.055104Jy sigma=1.166937 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8804 mas, bmaj=1.668 mas, bpa=-2.299 degrees ! Estimated noise=0.248277 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 = -0.00158785 Jy ! Component: 100 - total flux cleaned = -0.00196247 Jy ! Component: 150 - total flux cleaned = -0.00177319 Jy ! Component: 200 - total flux cleaned = -0.00162106 Jy ! Total flux subtracted in 200 components = -0.00162106 Jy ! Clean residual min=-0.002243 max=0.002421 Jy/beam ! Clean residual mean=-0.000000 rms=0.000532 Jy/beam ! Combined flux in latest and established models = 0.426802 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 93 components and 0.426802 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.054658Jy sigma=1.156699 ! Fit after self-cal, rms=0.054657Jy sigma=1.156200 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.054657Jy sigma=1.156200 ! Fit after self-cal, rms=0.054080Jy sigma=1.145973 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8803 mas, bmaj=1.668 mas, bpa=-2.496 degrees ! Estimated noise=0.247889 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000141905 Jy ! Component: 100 - total flux cleaned = -0.000145967 Jy ! Component: 150 - total flux cleaned = 2.32779e-05 Jy ! Component: 200 - total flux cleaned = 2.30286e-05 Jy ! Total flux subtracted in 200 components = 2.30286e-05 Jy ! Clean residual min=-0.001793 max=0.001857 Jy/beam ! Clean residual mean=-0.000000 rms=0.000417 Jy/beam ! Combined flux in latest and established models = 0.426825 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 110 components and 0.426825 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.053937Jy sigma=1.142937 ! Fit after self-cal, rms=0.053933Jy sigma=1.142820 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 (13, -28.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00181344 Jy ! Component: 100 - total flux cleaned = 0.00274597 Jy ! Component: 150 - total flux cleaned = 0.0032102 Jy ! Component: 200 - total flux cleaned = 0.00343766 Jy ! Total flux subtracted in 200 components = 0.00343766 Jy ! Clean residual min=-0.001632 max=0.001610 Jy/beam ! Clean residual mean=0.000000 rms=0.000389 Jy/beam ! Combined flux in latest and established models = 0.430263 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 131 components and 0.430263 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.053850Jy sigma=1.140845 ! Fit after self-cal, rms=0.053847Jy sigma=1.140773 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.053847Jy sigma=1.140773 ! Fit after self-cal, rms=0.053698Jy sigma=1.139959 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8799 mas, bmaj=1.666 mas, bpa=-2.499 degrees ! Estimated noise=0.247572 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0010159 Jy ! Component: 100 - total flux cleaned = -0.00106428 Jy ! Component: 150 - total flux cleaned = -0.000840165 Jy ! Component: 200 - total flux cleaned = -0.000602726 Jy ! Total flux subtracted in 200 components = -0.000602726 Jy ! Clean residual min=-0.001554 max=0.001509 Jy/beam ! Clean residual mean=0.000000 rms=0.000364 Jy/beam ! Combined flux in latest and established models = 0.42966 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 134 components and 0.42966 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.053638Jy sigma=1.138640 ! Fit after self-cal, rms=0.053637Jy sigma=1.138619 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 = 0.000364254 Jy ! Component: 100 - total flux cleaned = 0.000572736 Jy ! Component: 150 - total flux cleaned = 0.000683135 Jy ! Component: 200 - total flux cleaned = 0.000813352 Jy ! Total flux subtracted in 200 components = 0.000813352 Jy ! Clean residual min=-0.001525 max=0.001495 Jy/beam ! Clean residual mean=0.000000 rms=0.000357 Jy/beam ! Combined flux in latest and established models = 0.430474 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 139 components and 0.430474 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.053610Jy sigma=1.138052 ! Fit after self-cal, rms=0.053609Jy sigma=1.138036 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.053609Jy sigma=1.138036 ! Fit after self-cal, rms=0.053538Jy sigma=1.137722 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.097 mas, bmaj=2.633 mas, bpa=-4.139 degrees ! Estimated noise=0.324267 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000716323 Jy ! Component: 100 - total flux cleaned = -0.000801003 Jy ! Component: 150 - total flux cleaned = -0.000802583 Jy ! Component: 200 - total flux cleaned = -0.00067284 Jy ! Total flux subtracted in 200 components = -0.00067284 Jy ! Clean residual min=-0.001926 max=0.001926 Jy/beam ! Clean residual mean=0.000001 rms=0.000474 Jy/beam ! Combined flux in latest and established models = 0.429801 Jy selfcal ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 163 components and 0.429801 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.053536Jy sigma=1.137591 ! Fit after self-cal, rms=0.053535Jy sigma=1.137546 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 = 0.000275345 Jy ! Component: 100 - total flux cleaned = 0.000342372 Jy ! Component: 150 - total flux cleaned = 0.000380372 Jy ! Component: 200 - total flux cleaned = 0.000414954 Jy ! Total flux subtracted in 200 components = 0.000414954 Jy ! Clean residual min=-0.001917 max=0.001879 Jy/beam ! Clean residual mean=0.000001 rms=0.000465 Jy/beam ! Combined flux in latest and established models = 0.430216 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 171 components and 0.430216 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.053535Jy sigma=1.137537 ! Fit after self-cal, rms=0.053534Jy sigma=1.137512 ! 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=0.8796 mas, bmaj=1.666 mas, bpa=-2.462 degrees ! Estimated noise=0.247447 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8796 x 1.666 at -2.462 degrees (North through East) ! Clean map min=-0.001352 max=0.30401 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=0.699 mas, bmaj=1.392 mas, bpa=-2.621 degrees ! Estimated noise=0.406653 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.23359 Jy ! Component: 100 - total flux cleaned = 0.298757 Jy ! Component: 150 - total flux cleaned = 0.330749 Jy ! Component: 200 - total flux cleaned = 0.349008 Jy ! Total flux subtracted in 200 components = 0.349008 Jy ! Clean residual min=-0.004363 max=0.009245 Jy/beam ! Clean residual mean=0.000003 rms=0.001057 Jy/beam ! Combined flux in latest and established models = 0.349008 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 16 model components to the UV plane model. ! The established model now contains 16 components and 0.349008 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8796 mas, bmaj=1.666 mas, bpa=-2.462 degrees ! Estimated noise=0.247447 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 = 0.0158206 Jy ! Component: 100 - total flux cleaned = 0.0260107 Jy ! Component: 150 - total flux cleaned = 0.0336691 Jy ! Component: 200 - total flux cleaned = 0.039801 Jy ! Total flux subtracted in 200 components = 0.039801 Jy ! Clean residual min=-0.002422 max=0.003748 Jy/beam ! Clean residual mean=0.000001 rms=0.000747 Jy/beam ! Combined flux in latest and established models = 0.388809 Jy ! Adding 42 model components to the UV plane model. ! The established model now contains 53 components and 0.388809 Jy ! Inverting map ! Added new window around map position (-0.6, 5.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00514288 Jy ! Component: 100 - total flux cleaned = 0.00948466 Jy ! Component: 150 - total flux cleaned = 0.0131848 Jy ! Component: 200 - total flux cleaned = 0.0163793 Jy ! Total flux subtracted in 200 components = 0.0163793 Jy ! Clean residual min=-0.001953 max=0.002314 Jy/beam ! Clean residual mean=0.000000 rms=0.000521 Jy/beam ! Combined flux in latest and established models = 0.405188 Jy ! Adding 42 model components to the UV plane model. ! The established model now contains 79 components and 0.405188 Jy ! Inverting map ! Added new window around map position (-2.2, 7.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00283368 Jy ! Component: 100 - total flux cleaned = 0.00528872 Jy ! Component: 150 - total flux cleaned = 0.00748169 Jy ! Component: 200 - total flux cleaned = 0.00946301 Jy ! Total flux subtracted in 200 components = 0.00946301 Jy ! Clean residual min=-0.001694 max=0.001876 Jy/beam ! Clean residual mean=0.000000 rms=0.000423 Jy/beam ! Combined flux in latest and established models = 0.414651 Jy ! Adding 52 model components to the UV plane model. ! The established model now contains 106 components and 0.414651 Jy ! Inverting map ! Added new window around map position (50.8, -49.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00166031 Jy ! Component: 100 - total flux cleaned = 0.00312794 Jy ! Component: 150 - total flux cleaned = 0.0044103 Jy ! Component: 200 - total flux cleaned = 0.00564178 Jy ! Total flux subtracted in 200 components = 0.00564178 Jy ! Clean residual min=-0.001476 max=0.001609 Jy/beam ! Clean residual mean=0.000000 rms=0.000373 Jy/beam ! Combined flux in latest and established models = 0.420293 Jy ! Adding 45 model components to the UV plane model. ! The established model now contains 122 components and 0.420293 Jy ! Inverting map ! Added new window around map position (-26.6, -46.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00136599 Jy ! Component: 100 - total flux cleaned = 0.00242551 Jy ! Component: 150 - total flux cleaned = 0.00340003 Jy ! Component: 200 - total flux cleaned = 0.00430176 Jy ! Total flux subtracted in 200 components = 0.00430176 Jy ! Clean residual min=-0.001323 max=0.001444 Jy/beam ! Clean residual mean=0.000000 rms=0.000342 Jy/beam ! Combined flux in latest and established models = 0.424595 Jy ! Adding 57 model components to the UV plane model. ! The established model now contains 147 components and 0.424595 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=2.097 mas, bmaj=2.633 mas, bpa=-4.139 degrees ! Estimated noise=0.324267 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00176234 Jy ! Component: 100 - total flux cleaned = 0.00311203 Jy ! Component: 150 - total flux cleaned = 0.00420652 Jy ! Component: 200 - total flux cleaned = 0.00494569 Jy ! Total flux subtracted in 200 components = 0.00494569 Jy ! Clean residual min=-0.001631 max=0.001714 Jy/beam ! Clean residual mean=0.000000 rms=0.000441 Jy/beam ! Combined flux in latest and established models = 0.42954 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 = 0.000636381 Jy ! Component: 100 - total flux cleaned = 0.00116089 Jy ! Component: 150 - total flux cleaned = 0.00161874 Jy ! Component: 200 - total flux cleaned = 0.00197976 Jy ! Total flux subtracted in 200 components = 0.00197976 Jy ! Clean residual min=-0.001577 max=0.001703 Jy/beam ! Clean residual mean=0.000000 rms=0.000423 Jy/beam ! Combined flux in latest and established models = 0.43152 Jy ! Adding 93 model components to the UV plane model. ! The established model now contains 228 components and 0.43152 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8796 mas, bmaj=1.666 mas, bpa=-2.462 degrees ! Estimated noise=0.247447 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000426636 Jy ! Component: 100 - total flux cleaned = -0.000457538 Jy ! Component: 150 - total flux cleaned = -0.000357033 Jy ! Component: 200 - total flux cleaned = -0.000240179 Jy ! Total flux subtracted in 200 components = -0.000240179 Jy ! Clean residual min=-0.001276 max=0.001420 Jy/beam ! Clean residual mean=-0.000000 rms=0.000311 Jy/beam ! Combined flux in latest and established models = 0.43128 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 246 components and 0.43128 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.053406Jy sigma=1.134965 ! Fit after self-cal, rms=0.053390Jy sigma=1.134630 wmodel J0253+3835_X_map.mod ! Writing 246 model components to file: J0253+3835_X_map.mod wobs J0253+3835_X_uvs.fits ! Writing UV FITS file: J0253+3835_X_uvs.fits wwins J0253+3835_X_map.win ! wwins: Wrote 10 windows to J0253+3835_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 = -0.000103299 Jy ! Component: 100 - total flux cleaned = -0.000392242 Jy ! Component: 150 - total flux cleaned = -0.00071213 Jy ! Component: 200 - total flux cleaned = -0.0010011 Jy ! Component: 250 - total flux cleaned = -0.00124239 Jy ! Component: 300 - total flux cleaned = -0.00141954 Jy ! Component: 350 - total flux cleaned = -0.00159331 Jy ! Component: 400 - total flux cleaned = -0.00178252 Jy ! Component: 450 - total flux cleaned = -0.0019497 Jy ! Component: 500 - total flux cleaned = -0.00209537 Jy ! Component: 550 - total flux cleaned = -0.0022032 Jy ! Component: 600 - total flux cleaned = -0.0023272 Jy ! Component: 650 - total flux cleaned = -0.00241447 Jy ! Component: 700 - total flux cleaned = -0.00253449 Jy ! Component: 750 - total flux cleaned = -0.00268621 Jy ! Component: 800 - total flux cleaned = -0.00276912 Jy ! Component: 850 - total flux cleaned = -0.00281857 Jy ! Component: 900 - total flux cleaned = -0.0029646 Jy ! Component: 950 - total flux cleaned = -0.00306009 Jy ! Component: 1000 - total flux cleaned = -0.00307578 Jy ! Component: 1050 - total flux cleaned = -0.00315362 Jy ! Component: 1100 - total flux cleaned = -0.003246 Jy ! Component: 1150 - total flux cleaned = -0.00332224 Jy ! Component: 1200 - total flux cleaned = -0.00332229 Jy ! Component: 1250 - total flux cleaned = -0.00341183 Jy ! Component: 1300 - total flux cleaned = -0.00347077 Jy ! Component: 1350 - total flux cleaned = -0.00348559 Jy ! Component: 1400 - total flux cleaned = -0.0035578 Jy ! Component: 1450 - total flux cleaned = -0.00365779 Jy ! Component: 1500 - total flux cleaned = -0.00365769 Jy ! Component: 1550 - total flux cleaned = -0.00367181 Jy ! Component: 1600 - total flux cleaned = -0.00369973 Jy ! Component: 1650 - total flux cleaned = -0.00375458 Jy ! Component: 1700 - total flux cleaned = -0.00371385 Jy ! Component: 1750 - total flux cleaned = -0.00378146 Jy ! Component: 1800 - total flux cleaned = -0.00379487 Jy ! Component: 1850 - total flux cleaned = -0.0037681 Jy ! Component: 1900 - total flux cleaned = -0.00382102 Jy ! Component: 1950 - total flux cleaned = -0.00384717 Jy ! Component: 2000 - total flux cleaned = -0.00383396 Jy ! Component: 2050 - total flux cleaned = -0.00385961 Jy ! Component: 2100 - total flux cleaned = -0.00384702 Jy ! Component: 2150 - total flux cleaned = -0.00379639 Jy ! Component: 2200 - total flux cleaned = -0.0038218 Jy ! Component: 2250 - total flux cleaned = -0.00378425 Jy ! Component: 2300 - total flux cleaned = -0.00375952 Jy ! Component: 2350 - total flux cleaned = -0.00383345 Jy ! Component: 2400 - total flux cleaned = -0.00378442 Jy ! Component: 2450 - total flux cleaned = -0.00378442 Jy ! Component: 2500 - total flux cleaned = -0.00377241 Jy ! Component: 2550 - total flux cleaned = -0.0037126 Jy ! Component: 2600 - total flux cleaned = -0.0037482 Jy ! Component: 2650 - total flux cleaned = -0.00373642 Jy ! Component: 2700 - total flux cleaned = -0.00370111 Jy ! Component: 2750 - total flux cleaned = -0.00372448 Jy ! Component: 2800 - total flux cleaned = -0.00368985 Jy ! Component: 2850 - total flux cleaned = -0.00365524 Jy ! Component: 2900 - total flux cleaned = -0.00368969 Jy ! Component: 2950 - total flux cleaned = -0.00367835 Jy ! Component: 3000 - total flux cleaned = -0.00366696 Jy ! Component: 3050 - total flux cleaned = -0.00366689 Jy ! Component: 3100 - total flux cleaned = -0.00365568 Jy ! Component: 3150 - total flux cleaned = -0.00364463 Jy ! Component: 3200 - total flux cleaned = -0.00366662 Jy ! Component: 3250 - total flux cleaned = -0.00362275 Jy ! Component: 3300 - total flux cleaned = -0.00365554 Jy ! Component: 3350 - total flux cleaned = -0.00364464 Jy ! Component: 3400 - total flux cleaned = -0.00366623 Jy ! Component: 3450 - total flux cleaned = -0.00364483 Jy ! Component: 3500 - total flux cleaned = -0.00366615 Jy ! Component: 3550 - total flux cleaned = -0.00368737 Jy ! Component: 3600 - total flux cleaned = -0.00367685 Jy ! Component: 3650 - total flux cleaned = -0.00364527 Jy ! Component: 3700 - total flux cleaned = -0.00363475 Jy ! Component: 3750 - total flux cleaned = -0.00365548 Jy ! Component: 3800 - total flux cleaned = -0.00370703 Jy ! Component: 3850 - total flux cleaned = -0.00368639 Jy ! Component: 3900 - total flux cleaned = -0.00368642 Jy ! Component: 3950 - total flux cleaned = -0.00369654 Jy ! Component: 4000 - total flux cleaned = -0.00372691 Jy ! Component: 4050 - total flux cleaned = -0.00369665 Jy ! Total flux subtracted in 4096 components = -0.00370669 Jy ! Clean residual min=-0.000614 max=0.000593 Jy/beam ! Clean residual mean=0.000000 rms=0.000175 Jy/beam ! Combined flux in latest and established models = 0.427573 Jy keep ! Adding 334 model components to the UV plane model. ! The established model now contains 580 components and 0.427573 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0253+3835_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8796 x 1.666 at -2.462 degrees (North through East) ! Clean map min=-0.001206 max=0.30438 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0253+3835_X_map.fits wmodel /vlbi/uf001/uva//J0253+3835_X_map.mod ! Writing 580 model components to file: /vlbi/uf001/uva//J0253+3835_X_map.mod wobs /vlbi/uf001/uva//J0253+3835_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0253+3835_X_uvs.fits wwins /vlbi/uf001/uva//J0253+3835_X_map.win ! wwins: Wrote 11 windows to /vlbi/uf001/uva//J0253+3835_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.304379 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000174786 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.172271 0.172271 0.344542 0.689083 1.37817 2.75633 5.51267 11.0253 22.0507 44.1013 88.2027 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.304 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1741.44 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0253+3835_X_dfm.log closed on Sun Jan 13 21:34:23 2019