! Started logfile: /vlbi/uf001/uva//J0251+5616_X_dfm.log on Sun Jan 13 21:33:05 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//J0251+5616_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0251+5616_X_uva.fits ! AN table 1: 72 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.97716 visibilities/baseline/integration-bin. ! Found source: J0251+5616 ! ! 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 37992 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 J0251+5616_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 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.030871Jy sigma=23.134303 ! Fit after self-cal, rms=0.748487Jy sigma=16.816315 ! 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=0.7613 mas, bmaj=1.001 mas, bpa=-1.234 degrees ! Estimated noise=0.381052 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 = 0.183756 Jy ! Component: 100 - total flux cleaned = 0.238216 Jy ! Total flux subtracted in 100 components = 0.238216 Jy ! Clean residual min=-0.009232 max=0.023370 Jy/beam ! Clean residual mean=0.000051 rms=0.001971 Jy/beam ! Combined flux in latest and established models = 0.238216 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.238216 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=0.078011Jy sigma=1.716022 ! Fit after self-cal, rms=0.077809Jy sigma=1.711940 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0258545 Jy ! Component: 100 - total flux cleaned = 0.0384539 Jy ! Total flux subtracted in 100 components = 0.0384539 Jy ! Clean residual min=-0.007367 max=0.008878 Jy/beam ! Clean residual mean=0.000033 rms=0.001444 Jy/beam ! Combined flux in latest and established models = 0.27667 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 11 components and 0.27667 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=0.065538Jy sigma=1.437173 ! Fit after self-cal, rms=0.065387Jy sigma=1.433951 ! Inverting map ! Added new window around map position (6, -7). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0089166 Jy ! Component: 100 - total flux cleaned = 0.0133727 Jy ! Total flux subtracted in 100 components = 0.0133727 Jy ! Clean residual min=-0.006609 max=0.008319 Jy/beam ! Clean residual mean=0.000028 rms=0.001346 Jy/beam ! Combined flux in latest and established models = 0.290042 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 21 components and 0.290042 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=0.063712Jy sigma=1.396702 ! Fit after self-cal, rms=0.063665Jy sigma=1.395681 ! Inverting map ! Added new window around map position (-0.4, -2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00686231 Jy ! Component: 100 - total flux cleaned = 0.00975272 Jy ! Total flux subtracted in 100 components = 0.00975272 Jy ! Clean residual min=-0.006048 max=0.007268 Jy/beam ! Clean residual mean=0.000023 rms=0.001283 Jy/beam ! Combined flux in latest and established models = 0.299795 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 30 components and 0.299795 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=0.062475Jy sigma=1.368748 ! Fit after self-cal, rms=0.062405Jy sigma=1.367328 ! 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=0.9895 mas, bmaj=1.288 mas, bpa=0.196 degrees ! Estimated noise=0.162967 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 (2, -0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00978353 Jy ! Component: 100 - total flux cleaned = 0.0166231 Jy ! Component: 150 - total flux cleaned = 0.0219292 Jy ! Component: 200 - total flux cleaned = 0.0255015 Jy ! Total flux subtracted in 200 components = 0.0255015 Jy ! Clean residual min=-0.006099 max=0.007539 Jy/beam ! Clean residual mean=0.000020 rms=0.001417 Jy/beam ! Combined flux in latest and established models = 0.325297 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 58 components and 0.325297 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=0.060337Jy sigma=1.320678 ! Fit after self-cal, rms=0.060198Jy sigma=1.317693 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9895 x 1.288 at 0.196 degrees (North through East) ! Clean map min=-0.0053353 max=0.24584 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.16 FD 0.99 HN 0.94 KP 0.99 ! LA 0.99 MK 1.04 NL 1.07 OV 0.89 ! PT 0.93 SC 0.97 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 0.99 HN 0.95 KP 0.99 ! LA 1.00 MK 1.05 NL 1.08 OV 0.92 ! PT 0.92 SC 0.96 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 1.00 HN 0.97 KP 0.99 ! LA 1.00 MK 1.03 NL 1.08 OV 0.91 ! PT 0.92 SC 0.96 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 1.00 HN 0.95 KP 0.99 ! LA 1.00 MK 1.04 NL 1.07 OV 0.92 ! PT 0.91 SC 0.97 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 1.00 HN 0.97 KP 0.99 ! LA 1.01 MK 1.03 NL 1.08 OV 0.91 ! PT 0.92 SC 0.97 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 1.00 HN 0.95 KP 1.00 ! LA 1.00 MK 1.05 NL 1.08 OV 0.91 ! PT 0.92 SC 0.96 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.16 FD 1.00 HN 0.96 KP 0.98 ! LA 1.01 MK 1.04 NL 1.08 OV 0.91 ! PT 0.92 SC 0.98 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 1.00 HN 0.96 KP 0.99 ! LA 1.01 MK 1.04 NL 1.08 OV 0.91 ! PT 0.94 SC 0.97 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 1.00 HN 0.97 KP 0.99 ! LA 1.00 MK 1.03 NL 1.08 OV 0.91 ! PT 0.93 SC 0.97 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.15 FD 1.00 HN 0.96 KP 1.00 ! LA 1.01 MK 1.06 NL 1.08 OV 0.90 ! PT 0.92 SC 0.98 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.16 FD 1.00 HN 0.95 KP 1.00 ! LA 1.00 MK 1.05 NL 1.09 OV 0.90 ! PT 0.93 SC 0.97 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.01 HN 0.96 KP 0.98 ! LA 1.00 MK 1.03 NL 1.07 OV 0.91 ! PT 0.92 SC 0.97 ! ! ! Fit before self-cal, rms=0.060198Jy sigma=1.317693 ! Fit after self-cal, rms=0.055729Jy sigma=1.204094 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9921 mas, bmaj=1.295 mas, bpa=0.5997 degrees ! Estimated noise=0.16271 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 = -0.00361473 Jy ! Component: 100 - total flux cleaned = -0.00449419 Jy ! Component: 150 - total flux cleaned = -0.00518263 Jy ! Component: 200 - total flux cleaned = -0.00576715 Jy ! Total flux subtracted in 200 components = -0.00576715 Jy ! Clean residual min=-0.003148 max=0.003387 Jy/beam ! Clean residual mean=-0.000002 rms=0.000720 Jy/beam ! Combined flux in latest and established models = 0.31953 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 74 components and 0.31953 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=0.055415Jy sigma=1.196708 ! Fit after self-cal, rms=0.055427Jy sigma=1.196081 ! 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=0.055427Jy sigma=1.196081 ! Fit after self-cal, rms=0.054013Jy sigma=1.160229 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9921 mas, bmaj=1.292 mas, bpa=0.9674 degrees ! Estimated noise=0.162481 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00188295 Jy ! Component: 100 - total flux cleaned = -0.00273273 Jy ! Component: 150 - total flux cleaned = -0.00325928 Jy ! Component: 200 - total flux cleaned = -0.00369792 Jy ! Total flux subtracted in 200 components = -0.00369792 Jy ! Clean residual min=-0.001538 max=0.002128 Jy/beam ! Clean residual mean=0.000002 rms=0.000325 Jy/beam ! Combined flux in latest and established models = 0.315832 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 86 components and 0.315832 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=0.053832Jy sigma=1.155665 ! Fit after self-cal, rms=0.053830Jy sigma=1.155242 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, 6.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00125052 Jy ! Component: 100 - total flux cleaned = 0.00105541 Jy ! Component: 150 - total flux cleaned = 0.00093798 Jy ! Component: 200 - total flux cleaned = 0.000802098 Jy ! Total flux subtracted in 200 components = 0.000802098 Jy ! Clean residual min=-0.001246 max=0.001565 Jy/beam ! Clean residual mean=0.000002 rms=0.000296 Jy/beam ! Combined flux in latest and established models = 0.316634 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 102 components and 0.316634 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=0.053748Jy sigma=1.153154 ! Fit after self-cal, rms=0.053743Jy sigma=1.153081 ! Inverting map ! Added new window around map position (-1.2, 3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000939919 Jy ! Component: 100 - total flux cleaned = 0.00113418 Jy ! Component: 150 - total flux cleaned = 0.00130136 Jy ! Component: 200 - total flux cleaned = 0.00127184 Jy ! Total flux subtracted in 200 components = 0.00127184 Jy ! Clean residual min=-0.001191 max=0.001301 Jy/beam ! Clean residual mean=0.000000 rms=0.000279 Jy/beam ! Combined flux in latest and established models = 0.317906 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 117 components and 0.317906 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=0.053689Jy sigma=1.151853 ! Fit after self-cal, rms=0.053687Jy sigma=1.151789 ! Inverting map ! Added new window around map position (-2.2, -1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000667714 Jy ! Component: 100 - total flux cleaned = 0.00067054 Jy ! Component: 150 - total flux cleaned = 0.000453656 Jy ! Component: 200 - total flux cleaned = 0.000310944 Jy ! Total flux subtracted in 200 components = 0.000310944 Jy ! Clean residual min=-0.001080 max=0.001113 Jy/beam ! Clean residual mean=-0.000000 rms=0.000260 Jy/beam ! Combined flux in latest and established models = 0.318217 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 133 components and 0.318217 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=0.053642Jy sigma=1.150761 ! Fit after self-cal, rms=0.053639Jy sigma=1.150698 ! Inverting map ! Added new window around map position (-23, -5.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000926148 Jy ! Component: 100 - total flux cleaned = 0.000956943 Jy ! Component: 150 - total flux cleaned = 0.000904659 Jy ! Component: 200 - total flux cleaned = 0.000880288 Jy ! Total flux subtracted in 200 components = 0.000880288 Jy ! Clean residual min=-0.001013 max=0.001006 Jy/beam ! Clean residual mean=0.000001 rms=0.000246 Jy/beam ! Combined flux in latest and established models = 0.319097 Jy ! Performing phase self-cal ! Adding 44 model components to the UV plane model. ! The established model now contains 146 components and 0.319097 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=0.053608Jy sigma=1.149938 ! Fit after self-cal, rms=0.053606Jy sigma=1.149905 ! 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=0.053606Jy sigma=1.149905 ! Fit after self-cal, rms=0.053502Jy sigma=1.149155 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9899 mas, bmaj=1.288 mas, bpa=0.9998 degrees ! Estimated noise=0.162248 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000466445 Jy ! Component: 100 - total flux cleaned = -0.000787517 Jy ! Component: 150 - total flux cleaned = -0.00105493 Jy ! Component: 200 - total flux cleaned = -0.00121968 Jy ! Total flux subtracted in 200 components = -0.00121968 Jy ! Clean residual min=-0.000939 max=0.000888 Jy/beam ! Clean residual mean=0.000001 rms=0.000215 Jy/beam ! Combined flux in latest and established models = 0.317877 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 158 components and 0.317877 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=0.053469Jy sigma=1.148396 ! Fit after self-cal, rms=0.053468Jy sigma=1.148345 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 = -4.7491e-05 Jy ! Component: 100 - total flux cleaned = -0.000112031 Jy ! Component: 150 - total flux cleaned = -0.000213584 Jy ! Component: 200 - total flux cleaned = -0.00027137 Jy ! Total flux subtracted in 200 components = -0.00027137 Jy ! Clean residual min=-0.000872 max=0.000867 Jy/beam ! Clean residual mean=0.000001 rms=0.000209 Jy/beam ! Combined flux in latest and established models = 0.317606 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 165 components and 0.317606 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=0.053453Jy sigma=1.147997 ! Fit after self-cal, rms=0.053452Jy sigma=1.147987 ! 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=0.053452Jy sigma=1.147987 ! Fit after self-cal, rms=0.053428Jy sigma=1.147837 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.282 mas, bmaj=2.389 mas, bpa=17.38 degrees ! Estimated noise=0.210882 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000353798 Jy ! Component: 100 - total flux cleaned = -0.000651373 Jy ! Component: 150 - total flux cleaned = -0.000880386 Jy ! Component: 200 - total flux cleaned = -0.0009646 Jy ! Total flux subtracted in 200 components = -0.0009646 Jy ! Clean residual min=-0.000877 max=0.000816 Jy/beam ! Clean residual mean=0.000004 rms=0.000231 Jy/beam ! Combined flux in latest and established models = 0.316641 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 184 components and 0.316641 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=0.053422Jy sigma=1.147636 ! Fit after self-cal, rms=0.053420Jy sigma=1.147616 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 = 2.63118e-06 Jy ! Component: 100 - total flux cleaned = -1.05993e-05 Jy ! Component: 150 - total flux cleaned = -2.21946e-05 Jy ! Component: 200 - total flux cleaned = -3.31137e-05 Jy ! Total flux subtracted in 200 components = -3.31137e-05 Jy ! Clean residual min=-0.000849 max=0.000798 Jy/beam ! Clean residual mean=0.000003 rms=0.000228 Jy/beam ! Combined flux in latest and established models = 0.316608 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 198 components and 0.316608 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=0.053417Jy sigma=1.147525 ! Fit after self-cal, rms=0.053417Jy sigma=1.147520 ! 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=0.9888 mas, bmaj=1.286 mas, bpa=1.082 degrees ! Estimated noise=0.162204 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9888 x 1.286 at 1.082 degrees (North through East) ! Clean map min=-0.0010787 max=0.24505 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=0.7595 mas, bmaj=0.9962 mas, bpa=-0.7279 degrees ! Estimated noise=0.379349 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.182919 Jy ! Component: 100 - total flux cleaned = 0.239697 Jy ! Component: 150 - total flux cleaned = 0.265741 Jy ! Component: 200 - total flux cleaned = 0.278603 Jy ! Total flux subtracted in 200 components = 0.278603 Jy ! Clean residual min=-0.002761 max=0.006145 Jy/beam ! Clean residual mean=0.000019 rms=0.000680 Jy/beam ! Combined flux in latest and established models = 0.278603 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 11 model components to the UV plane model. ! The established model now contains 11 components and 0.278603 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9888 mas, bmaj=1.286 mas, bpa=1.082 degrees ! Estimated noise=0.162204 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 = 0.0115567 Jy ! Component: 100 - total flux cleaned = 0.0175966 Jy ! Component: 150 - total flux cleaned = 0.0215114 Jy ! Component: 200 - total flux cleaned = 0.0243506 Jy ! Total flux subtracted in 200 components = 0.0243506 Jy ! Clean residual min=-0.001313 max=0.001748 Jy/beam ! Clean residual mean=0.000012 rms=0.000339 Jy/beam ! Combined flux in latest and established models = 0.302953 Jy ! Adding 48 model components to the UV plane model. ! The established model now contains 52 components and 0.302953 Jy ! Inverting map ! Added new window around map position (1.8, 1.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00226433 Jy ! Component: 100 - total flux cleaned = 0.00413499 Jy ! Component: 150 - total flux cleaned = 0.00571278 Jy ! Component: 200 - total flux cleaned = 0.00707839 Jy ! Total flux subtracted in 200 components = 0.00707839 Jy ! Clean residual min=-0.001089 max=0.001236 Jy/beam ! Clean residual mean=0.000007 rms=0.000257 Jy/beam ! Combined flux in latest and established models = 0.310032 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 78 components and 0.310032 Jy ! Inverting map ! Added new window around map position (-7.4, -31). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00129731 Jy ! Component: 100 - total flux cleaned = 0.00224292 Jy ! Component: 150 - total flux cleaned = 0.00297516 Jy ! Component: 200 - total flux cleaned = 0.00356974 Jy ! Total flux subtracted in 200 components = 0.00356974 Jy ! Clean residual min=-0.001030 max=0.000922 Jy/beam ! Clean residual mean=0.000004 rms=0.000227 Jy/beam ! Combined flux in latest and established models = 0.313602 Jy ! Adding 46 model components to the UV plane model. ! The established model now contains 104 components and 0.313602 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=2.282 mas, bmaj=2.389 mas, bpa=17.38 degrees ! Estimated noise=0.210882 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00117504 Jy ! Component: 100 - total flux cleaned = 0.00175087 Jy ! Component: 150 - total flux cleaned = 0.00196555 Jy ! Component: 200 - total flux cleaned = 0.00210781 Jy ! Total flux subtracted in 200 components = 0.00210781 Jy ! Clean residual min=-0.000852 max=0.000981 Jy/beam ! Clean residual mean=0.000006 rms=0.000244 Jy/beam ! Combined flux in latest and established models = 0.315709 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 = 0.00012988 Jy ! Component: 100 - total flux cleaned = 0.000209811 Jy ! Component: 150 - total flux cleaned = 0.000357534 Jy ! Component: 200 - total flux cleaned = 0.000459855 Jy ! Total flux subtracted in 200 components = 0.000459855 Jy ! Clean residual min=-0.000822 max=0.000931 Jy/beam ! Clean residual mean=0.000006 rms=0.000231 Jy/beam ! Combined flux in latest and established models = 0.316169 Jy ! Adding 48 model components to the UV plane model. ! The established model now contains 146 components and 0.316169 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9888 mas, bmaj=1.286 mas, bpa=1.082 degrees ! Estimated noise=0.162204 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000379056 Jy ! Component: 100 - total flux cleaned = -0.000404298 Jy ! Component: 150 - total flux cleaned = -0.000378868 Jy ! Component: 200 - total flux cleaned = -0.000355923 Jy ! Total flux subtracted in 200 components = -0.000355923 Jy ! Clean residual min=-0.000912 max=0.000905 Jy/beam ! Clean residual mean=0.000002 rms=0.000201 Jy/beam ! Combined flux in latest and established models = 0.315813 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 166 components and 0.315813 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=0.053429Jy sigma=1.147844 ! Fit after self-cal, rms=0.053414Jy sigma=1.147579 wmodel J0251+5616_X_map.mod ! Writing 166 model components to file: J0251+5616_X_map.mod wobs J0251+5616_X_uvs.fits ! Writing UV FITS file: J0251+5616_X_uvs.fits wwins J0251+5616_X_map.win ! wwins: Wrote 10 windows to J0251+5616_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 = 9.48717e-05 Jy ! Component: 100 - total flux cleaned = 0.000198666 Jy ! Component: 150 - total flux cleaned = 0.000284064 Jy ! Component: 200 - total flux cleaned = 0.000297982 Jy ! Component: 250 - total flux cleaned = 0.000297933 Jy ! Component: 300 - total flux cleaned = 0.000337591 Jy ! Component: 350 - total flux cleaned = 0.000363582 Jy ! Component: 400 - total flux cleaned = 0.000402183 Jy ! Component: 450 - total flux cleaned = 0.000477664 Jy ! Component: 500 - total flux cleaned = 0.000527437 Jy ! Component: 550 - total flux cleaned = 0.000625718 Jy ! Component: 600 - total flux cleaned = 0.00067422 Jy ! Component: 650 - total flux cleaned = 0.000757737 Jy ! Component: 700 - total flux cleaned = 0.00076948 Jy ! Component: 750 - total flux cleaned = 0.000839844 Jy ! Component: 800 - total flux cleaned = 0.000897443 Jy ! Component: 850 - total flux cleaned = 0.000965716 Jy ! Component: 900 - total flux cleaned = 0.000999613 Jy ! Component: 950 - total flux cleaned = 0.00105534 Jy ! Component: 1000 - total flux cleaned = 0.00107739 Jy ! Component: 1050 - total flux cleaned = 0.00111038 Jy ! Component: 1100 - total flux cleaned = 0.00116446 Jy ! Component: 1150 - total flux cleaned = 0.00119663 Jy ! Component: 1200 - total flux cleaned = 0.00127072 Jy ! Component: 1250 - total flux cleaned = 0.00130219 Jy ! Component: 1300 - total flux cleaned = 0.00134383 Jy ! Component: 1350 - total flux cleaned = 0.00140576 Jy ! Component: 1400 - total flux cleaned = 0.00144662 Jy ! Component: 1450 - total flux cleaned = 0.00149715 Jy ! Component: 1500 - total flux cleaned = 0.0015072 Jy ! Component: 1550 - total flux cleaned = 0.00154689 Jy ! Component: 1600 - total flux cleaned = 0.00157648 Jy ! Component: 1650 - total flux cleaned = 0.00163495 Jy ! Component: 1700 - total flux cleaned = 0.0017123 Jy ! Component: 1750 - total flux cleaned = 0.00168343 Jy ! Component: 1800 - total flux cleaned = 0.00172147 Jy ! Component: 1850 - total flux cleaned = 0.00173086 Jy ! Component: 1900 - total flux cleaned = 0.00173094 Jy ! Component: 1950 - total flux cleaned = 0.00174023 Jy ! Component: 2000 - total flux cleaned = 0.00177712 Jy ! Component: 2050 - total flux cleaned = 0.00178627 Jy ! Component: 2100 - total flux cleaned = 0.0017862 Jy ! Component: 2150 - total flux cleaned = 0.00181316 Jy ! Component: 2200 - total flux cleaned = 0.00181317 Jy ! Component: 2250 - total flux cleaned = 0.00182195 Jy ! Component: 2300 - total flux cleaned = 0.00180451 Jy ! Component: 2350 - total flux cleaned = 0.00184824 Jy ! Component: 2400 - total flux cleaned = 0.00183975 Jy ! Component: 2450 - total flux cleaned = 0.00188278 Jy ! Component: 2500 - total flux cleaned = 0.00189988 Jy ! Component: 2550 - total flux cleaned = 0.00186599 Jy ! Component: 2600 - total flux cleaned = 0.00191658 Jy ! Component: 2650 - total flux cleaned = 0.00189984 Jy ! Component: 2700 - total flux cleaned = 0.00187501 Jy ! Component: 2750 - total flux cleaned = 0.00192457 Jy ! Component: 2800 - total flux cleaned = 0.00189985 Jy ! Component: 2850 - total flux cleaned = 0.00190806 Jy ! Component: 2900 - total flux cleaned = 0.00187566 Jy ! Component: 2950 - total flux cleaned = 0.00194815 Jy ! Component: 3000 - total flux cleaned = 0.00194013 Jy ! Component: 3050 - total flux cleaned = 0.00194818 Jy ! Component: 3100 - total flux cleaned = 0.00199556 Jy ! Component: 3150 - total flux cleaned = 0.00199563 Jy ! Component: 3200 - total flux cleaned = 0.00205804 Jy ! Component: 3250 - total flux cleaned = 0.00205021 Jy ! Component: 3300 - total flux cleaned = 0.00206565 Jy ! Component: 3350 - total flux cleaned = 0.00209646 Jy ! Component: 3400 - total flux cleaned = 0.00215747 Jy ! Component: 3450 - total flux cleaned = 0.00214989 Jy ! Component: 3500 - total flux cleaned = 0.00221033 Jy ! Component: 3550 - total flux cleaned = 0.00218779 Jy ! Component: 3600 - total flux cleaned = 0.00222523 Jy ! Component: 3650 - total flux cleaned = 0.00224756 Jy ! Component: 3700 - total flux cleaned = 0.00226233 Jy ! Component: 3750 - total flux cleaned = 0.00228441 Jy ! Component: 3800 - total flux cleaned = 0.00228433 Jy ! Component: 3850 - total flux cleaned = 0.00226978 Jy ! Component: 3900 - total flux cleaned = 0.0022915 Jy ! Component: 3950 - total flux cleaned = 0.0022915 Jy ! Component: 4000 - total flux cleaned = 0.0023202 Jy ! Component: 4050 - total flux cleaned = 0.00229166 Jy ! Total flux subtracted in 4096 components = 0.00231301 Jy ! Clean residual min=-0.000524 max=0.000439 Jy/beam ! Clean residual mean=-0.000000 rms=0.000120 Jy/beam ! Combined flux in latest and established models = 0.318126 Jy keep ! Adding 320 model components to the UV plane model. ! The established model now contains 486 components and 0.318127 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0251+5616_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9888 x 1.286 at 1.082 degrees (North through East) ! Clean map min=-0.00071703 max=0.24584 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0251+5616_X_map.fits wmodel /vlbi/uf001/uva//J0251+5616_X_map.mod ! Writing 486 model components to file: /vlbi/uf001/uva//J0251+5616_X_map.mod wobs /vlbi/uf001/uva//J0251+5616_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0251+5616_X_uvs.fits wwins /vlbi/uf001/uva//J0251+5616_X_map.win ! wwins: Wrote 11 windows to /vlbi/uf001/uva//J0251+5616_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.245839 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000119899 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.146314 0.146314 0.292628 0.585256 1.17051 2.34103 4.68205 9.3641 18.7282 37.4564 74.9128 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.245 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 2050.38 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0251+5616_X_dfm.log closed on Sun Jan 13 21:33:12 2019