! Started logfile: /vlbi/uf001/uva//J2253+0236_X_dfm.log on Mon Jan 14 06:26:58 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//J2253+0236_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J2253+0236_X_uva.fits ! AN table 1: 87 integrations on 21 of 21 possible baselines. ! Apparent sampling: 0.990695 visibilities/baseline/integration-bin. ! Found source: J2253+0236 ! ! 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 121 lines of history. ! ! Reading 21720 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 J2253+0236_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 21 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 21 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 21 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 21 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 21 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 21 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 21 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 21 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 21 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 21 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 21 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 21 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.000480Jy sigma=23.837214 ! Fit after self-cal, rms=0.922780Jy sigma=22.024766 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.272 mas, bmaj=5.22 mas, bpa=-15.51 degrees ! Estimated noise=0.369831 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 = 0.0591839 Jy ! Component: 100 - total flux cleaned = 0.0730335 Jy ! Total flux subtracted in 100 components = 0.0730335 Jy ! Clean residual min=-0.010054 max=0.026860 Jy/beam ! Clean residual mean=-0.000006 rms=0.002563 Jy/beam ! Combined flux in latest and established models = 0.0730335 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 0.0730335 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=0.063538Jy sigma=1.455132 ! Fit after self-cal, rms=0.063064Jy sigma=1.444310 ! Inverting map ! Added new window around map position (-1, -33.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0216928 Jy ! Component: 100 - total flux cleaned = 0.0310653 Jy ! Total flux subtracted in 100 components = 0.0310653 Jy ! Clean residual min=-0.005349 max=0.005122 Jy/beam ! Clean residual mean=-0.000004 rms=0.001309 Jy/beam ! Combined flux in latest and established models = 0.104099 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 17 components and 0.104099 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=0.055538Jy sigma=1.263121 ! Fit after self-cal, rms=0.054721Jy sigma=1.245067 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00820982 Jy ! Component: 100 - total flux cleaned = 0.0132258 Jy ! Total flux subtracted in 100 components = 0.0132258 Jy ! Clean residual min=-0.004086 max=0.004248 Jy/beam ! Clean residual mean=-0.000003 rms=0.000989 Jy/beam ! Combined flux in latest and established models = 0.117325 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 28 components and 0.117325 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=0.053336Jy sigma=1.212478 ! Fit after self-cal, rms=0.053275Jy sigma=1.211067 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.549 mas, bmaj=5.567 mas, bpa=-14.54 degrees ! Estimated noise=0.207302 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 = 0.00491309 Jy ! Component: 100 - total flux cleaned = 0.00833567 Jy ! Component: 150 - total flux cleaned = 0.0109685 Jy ! Component: 200 - total flux cleaned = 0.0131303 Jy ! Total flux subtracted in 200 components = 0.0131303 Jy ! Clean residual min=-0.003093 max=0.003217 Jy/beam ! Clean residual mean=-0.000003 rms=0.000779 Jy/beam ! Combined flux in latest and established models = 0.130455 Jy ! Performing phase self-cal ! Adding 69 model components to the UV plane model. ! The established model now contains 90 components and 0.130455 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=0.052666Jy sigma=1.196552 ! Fit after self-cal, rms=0.052644Jy sigma=1.196051 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.549 x 5.567 at -14.54 degrees (North through East) ! Clean map min=-0.0029808 max=0.081326 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 1.05 HN 0.96 KP 1.00 LA 0.98 ! NL 1.04 OV 0.95 PT 0.92 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 1.03 HN 0.95 KP 0.97 LA 0.99 ! NL 1.07 OV 0.98 PT 0.92 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 1.06 HN 1.02 KP 1.01 LA 1.01 ! NL 1.01 OV 0.92 PT 0.91 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 1.07 HN 0.98 KP 0.96 LA 1.00 ! NL 1.02 OV 0.97 PT 0.91 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 1.06 HN 0.99 KP 1.02 LA 0.99 ! NL 1.04 OV 0.94 PT 0.89 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 1.04 HN 0.95 KP 0.99 LA 1.00 ! NL 1.04 OV 0.96 PT 0.95 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 1.06 HN 0.96 KP 0.99 LA 1.00 ! NL 1.05 OV 0.94 PT 0.97 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 1.04 HN 0.95 KP 0.97 LA 1.03 ! NL 1.09 OV 0.96 PT 0.95 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! FD 1.03 HN 0.97 KP 1.00 LA 0.99 ! NL 1.08 OV 0.98 PT 0.92 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! FD 1.12 HN 0.98 KP 1.02 LA 0.99 ! NL 1.11 OV 0.95 PT 0.95 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! FD 1.04 HN 0.97 KP 0.99 LA 1.01 ! NL 1.05 OV 0.97 PT 0.89 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! FD 1.09 HN 1.00 KP 0.97 LA 0.98 ! NL 1.06 OV 0.96 PT 0.93 ! ! ! Fit before self-cal, rms=0.052644Jy sigma=1.196051 ! Fit after self-cal, rms=0.051437Jy sigma=1.186505 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.54 mas, bmaj=5.629 mas, bpa=-14.26 degrees ! Estimated noise=0.204436 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 = 0.000554578 Jy ! Component: 100 - total flux cleaned = 0.00103672 Jy ! Component: 150 - total flux cleaned = 0.00136157 Jy ! Component: 200 - total flux cleaned = 0.00151301 Jy ! Total flux subtracted in 200 components = 0.00151301 Jy ! Clean residual min=-0.002123 max=0.002241 Jy/beam ! Clean residual mean=-0.000001 rms=0.000553 Jy/beam ! Combined flux in latest and established models = 0.131968 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 108 components and 0.131968 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=0.051366Jy sigma=1.185196 ! Fit after self-cal, rms=0.051374Jy sigma=1.184941 ! 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=0.051374Jy sigma=1.184941 ! Fit after self-cal, rms=0.051362Jy sigma=1.181374 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.552 mas, bmaj=5.596 mas, bpa=-14.3 degrees ! Estimated noise=0.205077 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -5.17801e-05 Jy ! Component: 100 - total flux cleaned = -0.000366919 Jy ! Component: 150 - total flux cleaned = -0.000455832 Jy ! Component: 200 - total flux cleaned = -0.000425364 Jy ! Total flux subtracted in 200 components = -0.000425364 Jy ! Clean residual min=-0.001706 max=0.001942 Jy/beam ! Clean residual mean=-0.000001 rms=0.000492 Jy/beam ! Combined flux in latest and established models = 0.131543 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 120 components and 0.131543 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=0.051346Jy sigma=1.181013 ! Fit after self-cal, rms=0.051354Jy sigma=1.180929 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 = -7.09063e-05 Jy ! Component: 100 - total flux cleaned = -8.45674e-05 Jy ! Component: 150 - total flux cleaned = -4.78938e-05 Jy ! Component: 200 - total flux cleaned = 8.30697e-06 Jy ! Total flux subtracted in 200 components = 8.30697e-06 Jy ! Clean residual min=-0.001690 max=0.001947 Jy/beam ! Clean residual mean=-0.000001 rms=0.000489 Jy/beam ! Combined flux in latest and established models = 0.131551 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 131 components and 0.131551 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=0.051348Jy sigma=1.180782 ! Fit after self-cal, rms=0.051346Jy sigma=1.180776 ! 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=0.051346Jy sigma=1.180776 ! Fit after self-cal, rms=0.051346Jy sigma=1.173552 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.553 mas, bmaj=5.606 mas, bpa=-14.3 degrees ! Estimated noise=0.205059 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000145966 Jy ! Component: 100 - total flux cleaned = -0.000181498 Jy ! Component: 150 - total flux cleaned = -0.000212688 Jy ! Component: 200 - total flux cleaned = -0.000226717 Jy ! Total flux subtracted in 200 components = -0.000226717 Jy ! Clean residual min=-0.000954 max=0.001252 Jy/beam ! Clean residual mean=-0.000001 rms=0.000257 Jy/beam ! Combined flux in latest and established models = 0.131324 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 139 components and 0.131324 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=0.051335Jy sigma=1.173309 ! Fit after self-cal, rms=0.051352Jy sigma=1.173160 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 (-6.6, -0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00105165 Jy ! Component: 100 - total flux cleaned = 0.0011982 Jy ! Component: 150 - total flux cleaned = 0.00135349 Jy ! Component: 200 - total flux cleaned = 0.00148353 Jy ! Total flux subtracted in 200 components = 0.00148353 Jy ! Clean residual min=-0.000873 max=0.000779 Jy/beam ! Clean residual mean=-0.000001 rms=0.000221 Jy/beam ! Combined flux in latest and established models = 0.132808 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 166 components and 0.132808 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=0.051324Jy sigma=1.172511 ! Fit after self-cal, rms=0.051324Jy sigma=1.172456 ! 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=0.051324Jy sigma=1.172456 ! Fit after self-cal, rms=0.051199Jy sigma=1.172396 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.372 mas, bmaj=5.48 mas, bpa=-14.74 degrees ! Estimated noise=0.219428 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000370574 Jy ! Component: 100 - total flux cleaned = 0.000396622 Jy ! Component: 150 - total flux cleaned = 0.000408786 Jy ! Component: 200 - total flux cleaned = 0.00038079 Jy ! Total flux subtracted in 200 components = 0.00038079 Jy ! Clean residual min=-0.000793 max=0.000700 Jy/beam ! Clean residual mean=-0.000001 rms=0.000208 Jy/beam ! Combined flux in latest and established models = 0.133188 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 195 components and 0.133188 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=0.051193Jy sigma=1.172238 ! Fit after self-cal, rms=0.051193Jy sigma=1.172225 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 = 6.91719e-05 Jy ! Component: 100 - total flux cleaned = 2.72494e-05 Jy ! Component: 150 - total flux cleaned = 1.93703e-05 Jy ! Component: 200 - total flux cleaned = 3.34625e-05 Jy ! Total flux subtracted in 200 components = 3.34625e-05 Jy ! Clean residual min=-0.000772 max=0.000693 Jy/beam ! Clean residual mean=-0.000001 rms=0.000203 Jy/beam ! Combined flux in latest and established models = 0.133222 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 208 components and 0.133222 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=0.051190Jy sigma=1.172153 ! Fit after self-cal, rms=0.051190Jy sigma=1.172148 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=1.55 mas, bmaj=5.607 mas, bpa=-14.29 degrees ! Estimated noise=0.204643 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.55 x 5.607 at -14.29 degrees (North through East) ! Clean map min=-0.00080401 max=0.080538 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "============== Clearing model and starting over ==========" ! ============== Clearing model and starting over ========== clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.273 mas, bmaj=5.232 mas, bpa=-15.33 degrees ! Estimated noise=0.364087 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0597404 Jy ! Component: 100 - total flux cleaned = 0.0848229 Jy ! Component: 150 - total flux cleaned = 0.0992364 Jy ! Component: 200 - total flux cleaned = 0.108583 Jy ! Total flux subtracted in 200 components = 0.108583 Jy ! Clean residual min=-0.003154 max=0.004972 Jy/beam ! Clean residual mean=-0.000003 rms=0.000914 Jy/beam ! Combined flux in latest and established models = 0.108583 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 15 model components to the UV plane model. ! The established model now contains 15 components and 0.108583 Jy ! Inverting map and beam ! Estimated beam: bmin=1.55 mas, bmaj=5.607 mas, bpa=-14.29 degrees ! Estimated noise=0.204643 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 = 0.00738513 Jy ! Component: 100 - total flux cleaned = 0.0116916 Jy ! Component: 150 - total flux cleaned = 0.0146195 Jy ! Component: 200 - total flux cleaned = 0.016784 Jy ! Total flux subtracted in 200 components = 0.016784 Jy ! Clean residual min=-0.001321 max=0.001261 Jy/beam ! Clean residual mean=-0.000002 rms=0.000366 Jy/beam ! Combined flux in latest and established models = 0.125367 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 44 components and 0.125367 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=2.372 mas, bmaj=5.48 mas, bpa=-14.74 degrees ! Estimated noise=0.219428 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00181692 Jy ! Component: 100 - total flux cleaned = 0.00311075 Jy ! Component: 150 - total flux cleaned = 0.00415856 Jy ! Component: 200 - total flux cleaned = 0.00502166 Jy ! Total flux subtracted in 200 components = 0.00502166 Jy ! Clean residual min=-0.001052 max=0.000835 Jy/beam ! Clean residual mean=-0.000002 rms=0.000269 Jy/beam ! Combined flux in latest and established models = 0.130389 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 = 0.000612656 Jy ! Component: 100 - total flux cleaned = 0.000938808 Jy ! Component: 150 - total flux cleaned = 0.00111719 Jy ! Component: 200 - total flux cleaned = 0.00129949 Jy ! Total flux subtracted in 200 components = 0.00129949 Jy ! Clean residual min=-0.000924 max=0.000687 Jy/beam ! Clean residual mean=-0.000001 rms=0.000229 Jy/beam ! Combined flux in latest and established models = 0.131688 Jy ! Adding 68 model components to the UV plane model. ! The established model now contains 109 components and 0.131688 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.55 mas, bmaj=5.607 mas, bpa=-14.29 degrees ! Estimated noise=0.204643 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.58632e-05 Jy ! Component: 100 - total flux cleaned = 0.000373566 Jy ! Component: 150 - total flux cleaned = 0.000632758 Jy ! Component: 200 - total flux cleaned = 0.000768328 Jy ! Total flux subtracted in 200 components = 0.000768328 Jy ! Clean residual min=-0.000809 max=0.000786 Jy/beam ! Clean residual mean=-0.000001 rms=0.000214 Jy/beam ! Combined flux in latest and established models = 0.132457 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 136 components and 0.132457 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=0.051198Jy sigma=1.172330 ! Fit after self-cal, rms=0.051195Jy sigma=1.172282 wmodel J2253+0236_X_map.mod ! Writing 136 model components to file: J2253+0236_X_map.mod wobs J2253+0236_X_uvs.fits ! Writing UV FITS file: J2253+0236_X_uvs.fits wwins J2253+0236_X_map.win ! wwins: Wrote 3 windows to J2253+0236_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 = -0.000112171 Jy ! Component: 100 - total flux cleaned = -0.000139725 Jy ! Component: 150 - total flux cleaned = -0.000139878 Jy ! Component: 200 - total flux cleaned = -0.000140445 Jy ! Component: 250 - total flux cleaned = -0.000140445 Jy ! Component: 300 - total flux cleaned = -9.57221e-05 Jy ! Component: 350 - total flux cleaned = -5.27187e-05 Jy ! Component: 400 - total flux cleaned = -3.18113e-05 Jy ! Component: 450 - total flux cleaned = 2.95089e-05 Jy ! Component: 500 - total flux cleaned = 6.92816e-05 Jy ! Component: 550 - total flux cleaned = 0.000108028 Jy ! Component: 600 - total flux cleaned = 0.000164788 Jy ! Component: 650 - total flux cleaned = 0.00017435 Jy ! Component: 700 - total flux cleaned = 0.000237821 Jy ! Component: 750 - total flux cleaned = 0.000282116 Jy ! Component: 800 - total flux cleaned = 0.000308345 Jy ! Component: 850 - total flux cleaned = 0.000359533 Jy ! Component: 900 - total flux cleaned = 0.00038472 Jy ! Component: 950 - total flux cleaned = 0.000417689 Jy ! Component: 1000 - total flux cleaned = 0.000449991 Jy ! Component: 1050 - total flux cleaned = 0.000481462 Jy ! Component: 1100 - total flux cleaned = 0.000512408 Jy ! Component: 1150 - total flux cleaned = 0.000497286 Jy ! Component: 1200 - total flux cleaned = 0.000519977 Jy ! Component: 1250 - total flux cleaned = 0.000520063 Jy ! Component: 1300 - total flux cleaned = 0.000527466 Jy ! Component: 1350 - total flux cleaned = 0.000541897 Jy ! Component: 1400 - total flux cleaned = 0.000534826 Jy ! Component: 1450 - total flux cleaned = 0.000527901 Jy ! Component: 1500 - total flux cleaned = 0.000541736 Jy ! Component: 1550 - total flux cleaned = 0.000528065 Jy ! Component: 1600 - total flux cleaned = 0.000527981 Jy ! Component: 1650 - total flux cleaned = 0.000521223 Jy ! Component: 1700 - total flux cleaned = 0.0005212 Jy ! Component: 1750 - total flux cleaned = 0.00048198 Jy ! Component: 1800 - total flux cleaned = 0.000475436 Jy ! Component: 1850 - total flux cleaned = 0.00046906 Jy ! Component: 1900 - total flux cleaned = 0.000469079 Jy ! Component: 1950 - total flux cleaned = 0.000456499 Jy ! Component: 2000 - total flux cleaned = 0.000456489 Jy ! Component: 2050 - total flux cleaned = 0.000462559 Jy ! Component: 2100 - total flux cleaned = 0.000450361 Jy ! Component: 2150 - total flux cleaned = 0.000456342 Jy ! Component: 2200 - total flux cleaned = 0.000426509 Jy ! Component: 2250 - total flux cleaned = 0.000414662 Jy ! Component: 2300 - total flux cleaned = 0.000414545 Jy ! Component: 2350 - total flux cleaned = 0.000391261 Jy ! Component: 2400 - total flux cleaned = 0.000385498 Jy ! Component: 2450 - total flux cleaned = 0.000385488 Jy ! Component: 2500 - total flux cleaned = 0.000362872 Jy ! Component: 2550 - total flux cleaned = 0.000357319 Jy ! Component: 2600 - total flux cleaned = 0.000357288 Jy ! Component: 2650 - total flux cleaned = 0.000335396 Jy ! Component: 2700 - total flux cleaned = 0.000335463 Jy ! Component: 2750 - total flux cleaned = 0.000330119 Jy ! Component: 2800 - total flux cleaned = 0.000324716 Jy ! Component: 2850 - total flux cleaned = 0.000324718 Jy ! Component: 2900 - total flux cleaned = 0.000298359 Jy ! Component: 2950 - total flux cleaned = 0.000314112 Jy ! Component: 3000 - total flux cleaned = 0.000314123 Jy ! Component: 3050 - total flux cleaned = 0.000303777 Jy ! Component: 3100 - total flux cleaned = 0.000313979 Jy ! Component: 3150 - total flux cleaned = 0.000293673 Jy ! Component: 3200 - total flux cleaned = 0.000278597 Jy ! Component: 3250 - total flux cleaned = 0.000278593 Jy ! Component: 3300 - total flux cleaned = 0.000268649 Jy ! Component: 3350 - total flux cleaned = 0.000258824 Jy ! Component: 3400 - total flux cleaned = 0.000258843 Jy ! Component: 3450 - total flux cleaned = 0.00024915 Jy ! Component: 3500 - total flux cleaned = 0.000244366 Jy ! Component: 3550 - total flux cleaned = 0.000234781 Jy ! Component: 3600 - total flux cleaned = 0.000234747 Jy ! Component: 3650 - total flux cleaned = 0.000225293 Jy ! Component: 3700 - total flux cleaned = 0.000225281 Jy ! Component: 3750 - total flux cleaned = 0.000215998 Jy ! Component: 3800 - total flux cleaned = 0.000206753 Jy ! Component: 3850 - total flux cleaned = 0.000206784 Jy ! Component: 3900 - total flux cleaned = 0.000202251 Jy ! Component: 3950 - total flux cleaned = 0.000193167 Jy ! Component: 4000 - total flux cleaned = 0.000184152 Jy ! Component: 4050 - total flux cleaned = 0.000179681 Jy ! Total flux subtracted in 4096 components = 0.000161917 Jy ! Clean residual min=-0.000318 max=0.000271 Jy/beam ! Clean residual mean=-0.000001 rms=0.000087 Jy/beam ! Combined flux in latest and established models = 0.132619 Jy keep ! Adding 294 model components to the UV plane model. ! The established model now contains 430 components and 0.132619 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J2253+0236_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.55 x 5.607 at -14.29 degrees (North through East) ! Clean map min=-0.00054722 max=0.080475 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J2253+0236_X_map.fits wmodel /vlbi/uf001/uva//J2253+0236_X_map.mod ! Writing 430 model components to file: /vlbi/uf001/uva//J2253+0236_X_map.mod wobs /vlbi/uf001/uva//J2253+0236_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J2253+0236_X_uvs.fits wwins /vlbi/uf001/uva//J2253+0236_X_map.win ! wwins: Wrote 4 windows to /vlbi/uf001/uva//J2253+0236_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0804751 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 8.50591e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.317089 0.317089 0.634177 1.26835 2.53671 5.07342 10.1468 20.2937 40.5873 81.1747 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0002 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.08 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 946.107 quit ! Quitting program ! Log file /vlbi/uf001/uva//J2253+0236_X_dfm.log closed on Mon Jan 14 06:27:03 2019