! Started logfile: /vlbi/uf001/uva//J1901-1738_X_dfm.log on Mon Jan 14 04:54:27 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//J1901-1738_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1901-1738_X_uva.fits ! AN table 1: 148 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.997587 visibilities/baseline/integration-bin. ! Found source: J1901-1738 ! ! 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 49608 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 J1901-1738_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 32 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 32 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 32 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 32 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 32 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 32 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 32 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 32 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 32 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 32 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 32 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 32 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.004880Jy sigma=21.417717 ! Fit after self-cal, rms=0.907236Jy sigma=19.322780 ! 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=0.6471 mas, bmaj=3.103 mas, bpa=-20.11 degrees ! Estimated noise=0.473328 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 = 0.069638 Jy ! Component: 100 - total flux cleaned = 0.0852541 Jy ! Total flux subtracted in 100 components = 0.0852541 Jy ! Clean residual min=-0.004260 max=0.006629 Jy/beam ! Clean residual mean=-0.000000 rms=0.000969 Jy/beam ! Combined flux in latest and established models = 0.0852541 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.0852541 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=0.064720Jy sigma=1.244450 ! Fit after self-cal, rms=0.064676Jy sigma=1.243454 ! Inverting map ! Added new window around map position (-1.6, -1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00702322 Jy ! Component: 100 - total flux cleaned = 0.0112982 Jy ! Total flux subtracted in 100 components = 0.0112982 Jy ! Clean residual min=-0.003353 max=0.003777 Jy/beam ! Clean residual mean=-0.000000 rms=0.000730 Jy/beam ! Combined flux in latest and established models = 0.0965523 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 13 components and 0.0965523 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=0.063486Jy sigma=1.213439 ! Fit after self-cal, rms=0.063468Jy sigma=1.212767 ! 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=0.8979 mas, bmaj=3.467 mas, bpa=-18.27 degrees ! Estimated noise=0.154094 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 = 0.00536625 Jy ! Component: 100 - total flux cleaned = 0.00838504 Jy ! Component: 150 - total flux cleaned = 0.0104392 Jy ! Component: 200 - total flux cleaned = 0.0119097 Jy ! Total flux subtracted in 200 components = 0.0119097 Jy ! Clean residual min=-0.002564 max=0.003304 Jy/beam ! Clean residual mean=0.000000 rms=0.000631 Jy/beam ! Combined flux in latest and established models = 0.108462 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 40 components and 0.108462 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=0.063014Jy sigma=1.201205 ! Fit after self-cal, rms=0.063016Jy sigma=1.200904 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8979 x 3.467 at -18.27 degrees (North through East) ! Clean map min=-0.0024687 max=0.093231 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.04 HN 1.05 KP 0.96 ! LA 0.97 MK 1.01 NL 1.06 PT 0.93 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.03 HN 0.99 KP 0.97 ! LA 0.99 MK 1.03 NL 1.06 PT 0.94 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.02 HN 1.04 KP 0.96 ! LA 1.01 MK 1.03 NL 1.06 PT 0.94 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.01 HN 0.99 KP 0.97 ! LA 0.97 MK 0.99 NL 1.07 PT 0.95 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.03 HN 1.01 KP 0.99 ! LA 1.02 MK 1.04 NL 1.03 PT 0.94 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.00 HN 1.02 KP 0.98 ! LA 0.99 MK 1.03 NL 1.03 PT 0.93 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.01 HN 0.98 KP 0.99 ! LA 0.99 MK 1.00 NL 1.06 PT 0.93 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.03 HN 0.97 KP 0.98 ! LA 1.00 MK 1.00 NL 1.05 PT 0.94 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.98 HN 1.01 KP 0.99 ! LA 0.97 MK 0.99 NL 1.08 PT 0.94 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.00 HN 1.03 KP 0.97 ! LA 1.00 MK 1.00 NL 1.09 PT 0.91 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.02 HN 0.97 KP 0.95 ! LA 0.98 MK 1.04 NL 1.08 PT 0.92 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.01 HN 0.99 KP 0.92 ! LA 1.00 MK 0.99 NL 1.04 PT 0.92 ! ! ! Fit before self-cal, rms=0.063016Jy sigma=1.200904 ! Fit after self-cal, rms=0.062285Jy sigma=1.196171 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9054 mas, bmaj=3.48 mas, bpa=-18.23 degrees ! Estimated noise=0.15349 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-4.6, 2.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00246714 Jy ! Component: 100 - total flux cleaned = 0.00303623 Jy ! Component: 150 - total flux cleaned = 0.00312434 Jy ! Component: 200 - total flux cleaned = 0.00318337 Jy ! Total flux subtracted in 200 components = 0.00318337 Jy ! Clean residual min=-0.001561 max=0.001531 Jy/beam ! Clean residual mean=-0.000002 rms=0.000347 Jy/beam ! Combined flux in latest and established models = 0.111645 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 72 components and 0.111645 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=0.062173Jy sigma=1.193364 ! Fit after self-cal, rms=0.062162Jy sigma=1.192991 ! 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=0.062162Jy sigma=1.192991 ! Fit after self-cal, rms=0.062485Jy sigma=1.191059 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9047 mas, bmaj=3.487 mas, bpa=-18.33 degrees ! Estimated noise=0.153313 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000423153 Jy ! Component: 100 - total flux cleaned = 0.00056796 Jy ! Component: 150 - total flux cleaned = 0.000701012 Jy ! Component: 200 - total flux cleaned = 0.000793401 Jy ! Total flux subtracted in 200 components = 0.000793401 Jy ! Clean residual min=-0.001362 max=0.001264 Jy/beam ! Clean residual mean=-0.000000 rms=0.000249 Jy/beam ! Combined flux in latest and established models = 0.112439 Jy selfcal ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 99 components and 0.112439 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=0.062470Jy sigma=1.190695 ! Fit after self-cal, rms=0.062477Jy sigma=1.190641 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 = 0.000102437 Jy ! Component: 100 - total flux cleaned = 0.000140122 Jy ! Component: 150 - total flux cleaned = 0.000162776 Jy ! Component: 200 - total flux cleaned = 0.000172966 Jy ! Total flux subtracted in 200 components = 0.000172966 Jy ! Clean residual min=-0.001351 max=0.001247 Jy/beam ! Clean residual mean=-0.000001 rms=0.000246 Jy/beam ! Combined flux in latest and established models = 0.112612 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 111 components and 0.112612 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=0.062472Jy sigma=1.190551 ! Fit after self-cal, rms=0.062472Jy sigma=1.190551 ! 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=0.062472Jy sigma=1.190551 ! Fit after self-cal, rms=0.062555Jy sigma=1.190492 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9054 mas, bmaj=3.486 mas, bpa=-18.34 degrees ! Estimated noise=0.153213 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000145239 Jy ! Component: 100 - total flux cleaned = -2.81503e-05 Jy ! Component: 150 - total flux cleaned = -7.63691e-06 Jy ! Component: 200 - total flux cleaned = 1.92793e-06 Jy ! Total flux subtracted in 200 components = 1.92793e-06 Jy ! Clean residual min=-0.001286 max=0.001190 Jy/beam ! Clean residual mean=-0.000001 rms=0.000234 Jy/beam ! Combined flux in latest and established models = 0.112614 Jy selfcal ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 130 components and 0.112614 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=0.062550Jy sigma=1.190391 ! Fit after self-cal, rms=0.062552Jy sigma=1.190384 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 = 2.73189e-05 Jy ! Component: 100 - total flux cleaned = 1.82939e-05 Jy ! Component: 150 - total flux cleaned = 2.68226e-05 Jy ! Component: 200 - total flux cleaned = 2.69386e-05 Jy ! Total flux subtracted in 200 components = 2.69386e-05 Jy ! Clean residual min=-0.001273 max=0.001176 Jy/beam ! Clean residual mean=-0.000001 rms=0.000232 Jy/beam ! Combined flux in latest and established models = 0.112641 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 137 components and 0.112641 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=0.062549Jy sigma=1.190344 ! Fit after self-cal, rms=0.062549Jy sigma=1.190343 ! 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=0.062549Jy sigma=1.190343 ! Fit after self-cal, rms=0.062615Jy sigma=1.190313 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.306 mas, bmaj=4.684 mas, bpa=-3.399 degrees ! Estimated noise=0.181903 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000116122 Jy ! Component: 100 - total flux cleaned = 0.000150842 Jy ! Component: 150 - total flux cleaned = 0.000175887 Jy ! Component: 200 - total flux cleaned = 0.000190173 Jy ! Total flux subtracted in 200 components = 0.000190173 Jy ! Clean residual min=-0.001532 max=0.001741 Jy/beam ! Clean residual mean=-0.000001 rms=0.000312 Jy/beam ! Combined flux in latest and established models = 0.112831 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 152 components and 0.112831 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=0.062616Jy sigma=1.190288 ! Fit after self-cal, rms=0.062616Jy sigma=1.190279 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 (-9, 1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00140609 Jy ! Component: 100 - total flux cleaned = 0.00202181 Jy ! Component: 150 - total flux cleaned = 0.00210278 Jy ! Component: 200 - total flux cleaned = 0.0021212 Jy ! Total flux subtracted in 200 components = 0.0021212 Jy ! Clean residual min=-0.001192 max=0.000656 Jy/beam ! Clean residual mean=-0.000001 rms=0.000210 Jy/beam ! Combined flux in latest and established models = 0.114952 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 187 components and 0.114952 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=0.062595Jy sigma=1.189840 ! Fit after self-cal, rms=0.062595Jy sigma=1.189812 ! 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=0.9059 mas, bmaj=3.484 mas, bpa=-18.34 degrees ! Estimated noise=0.153206 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9059 x 3.484 at -18.34 degrees (North through East) ! Clean map min=-0.0010238 max=0.092841 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=0.6505 mas, bmaj=3.119 mas, bpa=-20.2 degrees ! Estimated noise=0.476667 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0700237 Jy ! Component: 100 - total flux cleaned = 0.0857025 Jy ! Component: 150 - total flux cleaned = 0.0922544 Jy ! Component: 200 - total flux cleaned = 0.0961755 Jy ! Total flux subtracted in 200 components = 0.0961755 Jy ! Clean residual min=-0.002650 max=0.002850 Jy/beam ! Clean residual mean=-0.000000 rms=0.000623 Jy/beam ! Combined flux in latest and established models = 0.0961755 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 0.0961755 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9059 mas, bmaj=3.484 mas, bpa=-18.34 degrees ! Estimated noise=0.153206 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 = 0.00437081 Jy ! Component: 100 - total flux cleaned = 0.00719354 Jy ! Component: 150 - total flux cleaned = 0.00923049 Jy ! Component: 200 - total flux cleaned = 0.0108289 Jy ! Total flux subtracted in 200 components = 0.0108289 Jy ! Clean residual min=-0.001254 max=0.001229 Jy/beam ! Clean residual mean=-0.000000 rms=0.000331 Jy/beam ! Combined flux in latest and established models = 0.107004 Jy ! Adding 40 model components to the UV plane model. ! The established model now contains 52 components and 0.107004 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=2.306 mas, bmaj=4.684 mas, bpa=-3.399 degrees ! Estimated noise=0.181903 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00208613 Jy ! Component: 100 - total flux cleaned = 0.00359418 Jy ! Component: 150 - total flux cleaned = 0.00474012 Jy ! Component: 200 - total flux cleaned = 0.00563668 Jy ! Total flux subtracted in 200 components = 0.00563668 Jy ! Clean residual min=-0.001304 max=0.000926 Jy/beam ! Clean residual mean=-0.000001 rms=0.000275 Jy/beam ! Combined flux in latest and established models = 0.112641 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 = 0.000742013 Jy ! Component: 100 - total flux cleaned = 0.00119757 Jy ! Component: 150 - total flux cleaned = 0.00146168 Jy ! Component: 200 - total flux cleaned = 0.00163938 Jy ! Total flux subtracted in 200 components = 0.00163938 Jy ! Clean residual min=-0.001117 max=0.000672 Jy/beam ! Clean residual mean=-0.000001 rms=0.000219 Jy/beam ! Combined flux in latest and established models = 0.11428 Jy ! Adding 125 model components to the UV plane model. ! The established model now contains 165 components and 0.114281 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9059 mas, bmaj=3.484 mas, bpa=-18.34 degrees ! Estimated noise=0.153206 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000312087 Jy ! Component: 100 - total flux cleaned = 0.000466545 Jy ! Component: 150 - total flux cleaned = 0.000524773 Jy ! Component: 200 - total flux cleaned = 0.000598322 Jy ! Total flux subtracted in 200 components = 0.000598322 Jy ! Clean residual min=-0.000835 max=0.000631 Jy/beam ! Clean residual mean=-0.000001 rms=0.000172 Jy/beam ! Combined flux in latest and established models = 0.114879 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 196 components and 0.114879 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=0.062589Jy sigma=1.189785 ! Fit after self-cal, rms=0.062588Jy sigma=1.189732 wmodel J1901-1738_X_map.mod ! Writing 196 model components to file: J1901-1738_X_map.mod wobs J1901-1738_X_uvs.fits ! Writing UV FITS file: J1901-1738_X_uvs.fits wwins J1901-1738_X_map.win ! wwins: Wrote 4 windows to J1901-1738_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 = -0.000365594 Jy ! Component: 100 - total flux cleaned = -0.000626115 Jy ! Component: 150 - total flux cleaned = -0.000772396 Jy ! Component: 200 - total flux cleaned = -0.000836106 Jy ! Component: 250 - total flux cleaned = -0.000927203 Jy ! Component: 300 - total flux cleaned = -0.000966231 Jy ! Component: 350 - total flux cleaned = -0.000975478 Jy ! Component: 400 - total flux cleaned = -0.000957121 Jy ! Component: 450 - total flux cleaned = -0.000965867 Jy ! Component: 500 - total flux cleaned = -0.0009483 Jy ! Component: 550 - total flux cleaned = -0.000939685 Jy ! Component: 600 - total flux cleaned = -0.000931326 Jy ! Component: 650 - total flux cleaned = -0.000890609 Jy ! Component: 700 - total flux cleaned = -0.000866693 Jy ! Component: 750 - total flux cleaned = -0.000843252 Jy ! Component: 800 - total flux cleaned = -0.000858691 Jy ! Component: 850 - total flux cleaned = -0.000836158 Jy ! Component: 900 - total flux cleaned = -0.00082125 Jy ! Component: 950 - total flux cleaned = -0.000806677 Jy ! Component: 1000 - total flux cleaned = -0.000828308 Jy ! Component: 1050 - total flux cleaned = -0.000814144 Jy ! Component: 1100 - total flux cleaned = -0.000821295 Jy ! Component: 1150 - total flux cleaned = -0.000842049 Jy ! Component: 1200 - total flux cleaned = -0.000848865 Jy ! Component: 1250 - total flux cleaned = -0.000895969 Jy ! Component: 1300 - total flux cleaned = -0.000882543 Jy ! Component: 1350 - total flux cleaned = -0.0009155 Jy ! Component: 1400 - total flux cleaned = -0.000915413 Jy ! Component: 1450 - total flux cleaned = -0.000941092 Jy ! Component: 1500 - total flux cleaned = -0.000966441 Jy ! Component: 1550 - total flux cleaned = -0.000966414 Jy ! Component: 1600 - total flux cleaned = -0.000991363 Jy ! Component: 1650 - total flux cleaned = -0.00100987 Jy ! Component: 1700 - total flux cleaned = -0.00101603 Jy ! Component: 1750 - total flux cleaned = -0.00103424 Jy ! Component: 1800 - total flux cleaned = -0.00103428 Jy ! Component: 1850 - total flux cleaned = -0.00106414 Jy ! Component: 1900 - total flux cleaned = -0.00105244 Jy ! Component: 1950 - total flux cleaned = -0.00107596 Jy ! Component: 2000 - total flux cleaned = -0.00108179 Jy ! Component: 2050 - total flux cleaned = -0.00111061 Jy ! Component: 2100 - total flux cleaned = -0.00111634 Jy ! Component: 2150 - total flux cleaned = -0.00114466 Jy ! Component: 2200 - total flux cleaned = -0.00113908 Jy ! Component: 2250 - total flux cleaned = -0.00117244 Jy ! Component: 2300 - total flux cleaned = -0.00118347 Jy ! Component: 2350 - total flux cleaned = -0.00121095 Jy ! Component: 2400 - total flux cleaned = -0.00121632 Jy ! Component: 2450 - total flux cleaned = -0.00123787 Jy ! Component: 2500 - total flux cleaned = -0.00124324 Jy ! Component: 2550 - total flux cleaned = -0.00126986 Jy ! Component: 2600 - total flux cleaned = -0.00129625 Jy ! Component: 2650 - total flux cleaned = -0.00132242 Jy ! Component: 2700 - total flux cleaned = -0.0013172 Jy ! Component: 2750 - total flux cleaned = -0.0013379 Jy ! Component: 2800 - total flux cleaned = -0.00137382 Jy ! Component: 2850 - total flux cleaned = -0.00136872 Jy ! Component: 2900 - total flux cleaned = -0.00138896 Jy ! Component: 2950 - total flux cleaned = -0.00139899 Jy ! Component: 3000 - total flux cleaned = -0.00142399 Jy ! Component: 3050 - total flux cleaned = -0.00142405 Jy ! Component: 3100 - total flux cleaned = -0.00143882 Jy ! Component: 3150 - total flux cleaned = -0.00143394 Jy ! Component: 3200 - total flux cleaned = -0.00144855 Jy ! Component: 3250 - total flux cleaned = -0.00145339 Jy ! Component: 3300 - total flux cleaned = -0.00144857 Jy ! Component: 3350 - total flux cleaned = -0.00146297 Jy ! Component: 3400 - total flux cleaned = -0.00146775 Jy ! Component: 3450 - total flux cleaned = -0.00148201 Jy ! Component: 3500 - total flux cleaned = -0.0015008 Jy ! Component: 3550 - total flux cleaned = -0.00151949 Jy ! Component: 3600 - total flux cleaned = -0.00153342 Jy ! Component: 3650 - total flux cleaned = -0.00152877 Jy ! Component: 3700 - total flux cleaned = -0.00154256 Jy ! Component: 3750 - total flux cleaned = -0.00153797 Jy ! Component: 3800 - total flux cleaned = -0.00156073 Jy ! Component: 3850 - total flux cleaned = -0.0015743 Jy ! Component: 3900 - total flux cleaned = -0.00159676 Jy ! Component: 3950 - total flux cleaned = -0.00159227 Jy ! Component: 4000 - total flux cleaned = -0.00161459 Jy ! Component: 4050 - total flux cleaned = -0.00163678 Jy ! Total flux subtracted in 4096 components = -0.00164562 Jy ! Clean residual min=-0.000284 max=0.000272 Jy/beam ! Clean residual mean=-0.000001 rms=0.000078 Jy/beam ! Combined flux in latest and established models = 0.113233 Jy keep ! Adding 251 model components to the UV plane model. ! The established model now contains 447 components and 0.113233 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1901-1738_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9059 x 3.484 at -18.34 degrees (North through East) ! Clean map min=-0.00051915 max=0.093176 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1901-1738_X_map.fits wmodel /vlbi/uf001/uva//J1901-1738_X_map.mod ! Writing 447 model components to file: /vlbi/uf001/uva//J1901-1738_X_map.mod wobs /vlbi/uf001/uva//J1901-1738_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1901-1738_X_uvs.fits wwins /vlbi/uf001/uva//J1901-1738_X_map.win ! wwins: Wrote 5 windows to /vlbi/uf001/uva//J1901-1738_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0931765 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 7.74817e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.249467 0.249467 0.498935 0.99787 1.99574 3.99148 7.98296 15.9659 31.9318 63.8637 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0002 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.093 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1202.56 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1901-1738_X_dfm.log closed on Mon Jan 14 04:54:34 2019