! Started logfile: /vlbi/bp222/maps//J2149+0756_X_dfm.log on Thu Sep 27 11:38:52 2018 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/bp222/maps//J2149+0756_X_uva.fits ! Reading UV FITS file: /vlbi/bp222/maps//J2149+0756_X_uva.fits ! AN table 1: 66 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.978355 visibilities/baseline/integration-bin. ! Found source: J2149+0756 ! ! 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 21696 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 J2149+0756_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 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.013283Jy sigma=12.074330 ! Fit after self-cal, rms=0.882735Jy sigma=10.612054 ! 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=0.6536 mas, bmaj=3.124 mas, bpa=-18.1 degrees ! Estimated noise=0.807441 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 = 0.0722479 Jy ! Component: 100 - total flux cleaned = 0.108553 Jy ! Total flux subtracted in 100 components = 0.108553 Jy ! Clean residual min=-0.009813 max=0.018995 Jy/beam ! Clean residual mean=-0.000005 rms=0.002597 Jy/beam ! Combined flux in latest and established models = 0.108553 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.108553 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=0.099764Jy sigma=1.082413 ! Fit after self-cal, rms=0.098870Jy sigma=1.075120 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0243637 Jy ! Component: 100 - total flux cleaned = 0.041018 Jy ! Total flux subtracted in 100 components = 0.041018 Jy ! Clean residual min=-0.007713 max=0.009614 Jy/beam ! Clean residual mean=-0.000003 rms=0.001864 Jy/beam ! Combined flux in latest and established models = 0.149571 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 34 components and 0.149571 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=0.084934Jy sigma=0.904593 ! Fit after self-cal, rms=0.084774Jy sigma=0.903431 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0135487 Jy ! Component: 100 - total flux cleaned = 0.0240869 Jy ! Total flux subtracted in 100 components = 0.0240869 Jy ! Clean residual min=-0.006223 max=0.007191 Jy/beam ! Clean residual mean=-0.000003 rms=0.001535 Jy/beam ! Combined flux in latest and established models = 0.173658 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 53 components and 0.173658 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=0.079402Jy sigma=0.838373 ! Fit after self-cal, rms=0.079283Jy sigma=0.837560 ! 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=0.8518 mas, bmaj=3.04 mas, bpa=-17.18 degrees ! Estimated noise=0.428001 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 = 0.018742 Jy ! Component: 100 - total flux cleaned = 0.0321355 Jy ! Component: 150 - total flux cleaned = 0.0423565 Jy ! Component: 200 - total flux cleaned = 0.0502841 Jy ! Total flux subtracted in 200 components = 0.0502841 Jy ! Clean residual min=-0.005992 max=0.006181 Jy/beam ! Clean residual mean=-0.000006 rms=0.001533 Jy/beam ! Combined flux in latest and established models = 0.223942 Jy ! Performing phase self-cal ! Adding 68 model components to the UV plane model. ! The established model now contains 96 components and 0.223942 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=0.072923Jy sigma=0.759195 ! Fit after self-cal, rms=0.072737Jy sigma=0.757634 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8518 x 3.04 at -17.18 degrees (North through East) ! Clean map min=-0.0056815 max=0.11395 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.98 HN 0.96 LA 0.92 ! MK 1.02 NL 1.00 OV 0.97 PT 0.90 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.99 HN 0.96 LA 0.95 ! MK 0.99 NL 1.04 OV 0.97 PT 0.90 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.99 HN 1.00 LA 0.94 ! MK 1.01 NL 1.02 OV 0.98 PT 0.87 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.00 HN 0.96 LA 0.94 ! MK 1.12 NL 1.05 OV 0.97 PT 0.89 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.97 HN 0.98 LA 0.97 ! MK 1.07 NL 1.01 OV 0.98 PT 0.90 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.01 HN 1.00 LA 0.95 ! MK 0.96 NL 1.03 OV 0.97 PT 0.88 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.97 HN 0.97 LA 0.95 ! MK 0.98 NL 1.04 OV 0.96 PT 0.90 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.00 HN 0.99 LA 0.94 ! MK 0.94 NL 1.05 OV 0.98 PT 0.89 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.00 HN 0.92 LA 0.98 ! MK 1.05 NL 1.02 OV 0.97 PT 0.90 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.02 HN 0.96 LA 0.94 ! MK 1.07 NL 1.05 OV 0.98 PT 0.88 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.97 HN 0.98 LA 1.00 ! MK 0.88 NL 1.00 OV 0.98 PT 0.90 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.97 HN 0.99 LA 1.02 ! MK 0.86 NL 1.03 OV 0.99 PT 0.91 ! ! ! Fit before self-cal, rms=0.072737Jy sigma=0.757634 ! Fit after self-cal, rms=0.069198Jy sigma=0.744625 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8559 mas, bmaj=3.096 mas, bpa=-17.15 degrees ! Estimated noise=0.412523 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 (3.2, 10). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00588633 Jy ! Component: 100 - total flux cleaned = 0.00868536 Jy ! Component: 150 - total flux cleaned = 0.0103182 Jy ! Component: 200 - total flux cleaned = 0.011342 Jy ! Total flux subtracted in 200 components = 0.011342 Jy ! Clean residual min=-0.003297 max=0.003385 Jy/beam ! Clean residual mean=-0.000003 rms=0.000820 Jy/beam ! Combined flux in latest and established models = 0.235284 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 116 components and 0.235284 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=0.068567Jy sigma=0.736200 ! Fit after self-cal, rms=0.068493Jy sigma=0.735362 ! 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=0.068493Jy sigma=0.735362 ! Fit after self-cal, rms=0.069502Jy sigma=0.730836 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8539 mas, bmaj=3.088 mas, bpa=-17.17 degrees ! Estimated noise=0.411194 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00193471 Jy ! Component: 100 - total flux cleaned = 0.00273699 Jy ! Component: 150 - total flux cleaned = 0.00329183 Jy ! Component: 200 - total flux cleaned = 0.00371462 Jy ! Total flux subtracted in 200 components = 0.00371462 Jy ! Clean residual min=-0.002528 max=0.002838 Jy/beam ! Clean residual mean=-0.000001 rms=0.000595 Jy/beam ! Combined flux in latest and established models = 0.238999 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 123 components and 0.238999 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=0.069341Jy sigma=0.728727 ! Fit after self-cal, rms=0.069380Jy sigma=0.728522 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 (-7.4, 35.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00258211 Jy ! Component: 100 - total flux cleaned = 0.00336964 Jy ! Component: 150 - total flux cleaned = 0.00381577 Jy ! Component: 200 - total flux cleaned = 0.00417026 Jy ! Total flux subtracted in 200 components = 0.00417026 Jy ! Clean residual min=-0.002094 max=0.002435 Jy/beam ! Clean residual mean=-0.000001 rms=0.000517 Jy/beam ! Combined flux in latest and established models = 0.243169 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 145 components and 0.243169 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=0.069248Jy sigma=0.726582 ! Fit after self-cal, rms=0.069239Jy sigma=0.726441 ! Inverting map ! Added new window around map position (-0.2, 6.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00141215 Jy ! Component: 100 - total flux cleaned = 0.00241791 Jy ! Component: 150 - total flux cleaned = 0.00280705 Jy ! Component: 200 - total flux cleaned = 0.00310615 Jy ! Total flux subtracted in 200 components = 0.00310615 Jy ! Clean residual min=-0.001909 max=0.001788 Jy/beam ! Clean residual mean=-0.000001 rms=0.000446 Jy/beam ! Combined flux in latest and established models = 0.246275 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 170 components and 0.246275 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=0.069108Jy sigma=0.724855 ! Fit after self-cal, rms=0.069091Jy sigma=0.724767 ! 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=0.069091Jy sigma=0.724767 ! Fit after self-cal, rms=0.069861Jy sigma=0.723107 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8507 mas, bmaj=3.086 mas, bpa=-17.16 degrees ! Estimated noise=0.408641 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00121159 Jy ! Component: 100 - total flux cleaned = 0.00136002 Jy ! Component: 150 - total flux cleaned = 0.00144554 Jy ! Component: 200 - total flux cleaned = 0.00160116 Jy ! Total flux subtracted in 200 components = 0.00160116 Jy ! Clean residual min=-0.001670 max=0.001507 Jy/beam ! Clean residual mean=-0.000001 rms=0.000382 Jy/beam ! Combined flux in latest and established models = 0.247876 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 182 components and 0.247876 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=0.069797Jy sigma=0.722385 ! Fit after self-cal, rms=0.069836Jy sigma=0.722323 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 = 0.000318149 Jy ! Component: 100 - total flux cleaned = 0.000567618 Jy ! Component: 150 - total flux cleaned = 0.000768763 Jy ! Component: 200 - total flux cleaned = 0.000895861 Jy ! Total flux subtracted in 200 components = 0.000895861 Jy ! Clean residual min=-0.001569 max=0.001464 Jy/beam ! Clean residual mean=-0.000001 rms=0.000367 Jy/beam ! Combined flux in latest and established models = 0.248772 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 196 components and 0.248772 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=0.069802Jy sigma=0.721928 ! Fit after self-cal, rms=0.069801Jy sigma=0.721908 ! 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=0.069801Jy sigma=0.721908 ! Fit after self-cal, rms=0.069661Jy sigma=0.721834 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.958 mas, bmaj=3.188 mas, bpa=-6.487 degrees ! Estimated noise=0.534013 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000694902 Jy ! Component: 100 - total flux cleaned = 0.000728247 Jy ! Component: 150 - total flux cleaned = 0.00083185 Jy ! Component: 200 - total flux cleaned = 0.000986447 Jy ! Total flux subtracted in 200 components = 0.000986447 Jy ! Clean residual min=-0.001448 max=0.001649 Jy/beam ! Clean residual mean=-0.000002 rms=0.000414 Jy/beam ! Combined flux in latest and established models = 0.249759 Jy selfcal ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 223 components and 0.249759 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=0.069637Jy sigma=0.721588 ! Fit after self-cal, rms=0.069635Jy sigma=0.721537 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -5.60288e-05 Jy ! Component: 100 - total flux cleaned = 7.90199e-05 Jy ! Component: 150 - total flux cleaned = 0.000207406 Jy ! Component: 200 - total flux cleaned = 0.000352318 Jy ! Total flux subtracted in 200 components = 0.000352318 Jy ! Clean residual min=-0.001396 max=0.001605 Jy/beam ! Clean residual mean=-0.000002 rms=0.000394 Jy/beam ! Combined flux in latest and established models = 0.250111 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 233 components and 0.250111 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=0.069620Jy sigma=0.721404 ! Fit after self-cal, rms=0.069617Jy sigma=0.721369 ! 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=0.8492 mas, bmaj=3.085 mas, bpa=-17.18 degrees ! Estimated noise=0.407053 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8492 x 3.085 at -17.18 degrees (North through East) ! Clean map min=-0.00309 max=0.10809 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=0.6503 mas, bmaj=3.171 mas, bpa=-18.12 degrees ! Estimated noise=0.765427 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0695411 Jy ! Component: 100 - total flux cleaned = 0.105663 Jy ! Component: 150 - total flux cleaned = 0.129174 Jy ! Component: 200 - total flux cleaned = 0.145262 Jy ! Total flux subtracted in 200 components = 0.145262 Jy ! Clean residual min=-0.007027 max=0.009058 Jy/beam ! Clean residual mean=-0.000002 rms=0.001699 Jy/beam ! Combined flux in latest and established models = 0.145262 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 31 model components to the UV plane model. ! The established model now contains 31 components and 0.145262 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8492 mas, bmaj=3.085 mas, bpa=-17.18 degrees ! Estimated noise=0.407053 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 = 0.0236916 Jy ! Component: 100 - total flux cleaned = 0.0394076 Jy ! Component: 150 - total flux cleaned = 0.0509185 Jy ! Component: 200 - total flux cleaned = 0.0598536 Jy ! Total flux subtracted in 200 components = 0.0598536 Jy ! Clean residual min=-0.004592 max=0.005753 Jy/beam ! Clean residual mean=-0.000004 rms=0.001308 Jy/beam ! Combined flux in latest and established models = 0.205116 Jy ! Adding 65 model components to the UV plane model. ! The established model now contains 81 components and 0.205116 Jy ! Inverting map ! Added new window around map position (-1.4, 1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00726537 Jy ! Component: 100 - total flux cleaned = 0.0132002 Jy ! Component: 150 - total flux cleaned = 0.0182128 Jy ! Component: 200 - total flux cleaned = 0.0225176 Jy ! Total flux subtracted in 200 components = 0.0225176 Jy ! Clean residual min=-0.003204 max=0.003451 Jy/beam ! Clean residual mean=-0.000002 rms=0.000769 Jy/beam ! Combined flux in latest and established models = 0.227633 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 109 components and 0.227634 Jy ! Inverting map ! Added new window around map position (1.6, 0.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00393862 Jy ! Component: 100 - total flux cleaned = 0.00722445 Jy ! Component: 150 - total flux cleaned = 0.0100585 Jy ! Component: 200 - total flux cleaned = 0.0118477 Jy ! Total flux subtracted in 200 components = 0.0118477 Jy ! Clean residual min=-0.002393 max=0.002140 Jy/beam ! Clean residual mean=-0.000001 rms=0.000533 Jy/beam ! Combined flux in latest and established models = 0.239481 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 136 components and 0.239481 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=1.958 mas, bmaj=3.188 mas, bpa=-6.487 degrees ! Estimated noise=0.534013 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00241122 Jy ! Component: 100 - total flux cleaned = 0.00449508 Jy ! Component: 150 - total flux cleaned = 0.00571394 Jy ! Component: 200 - total flux cleaned = 0.0060635 Jy ! Total flux subtracted in 200 components = 0.0060635 Jy ! Clean residual min=-0.002291 max=0.001818 Jy/beam ! Clean residual mean=-0.000002 rms=0.000521 Jy/beam ! Combined flux in latest and established models = 0.245545 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 = 6.04225e-05 Jy ! Component: 100 - total flux cleaned = 0.000225975 Jy ! Component: 150 - total flux cleaned = 0.00027539 Jy ! Component: 200 - total flux cleaned = 0.000457601 Jy ! Total flux subtracted in 200 components = 0.000457601 Jy ! Clean residual min=-0.001836 max=0.001558 Jy/beam ! Clean residual mean=-0.000002 rms=0.000434 Jy/beam ! Combined flux in latest and established models = 0.246002 Jy ! Adding 78 model components to the UV plane model. ! The established model now contains 192 components and 0.246002 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8492 mas, bmaj=3.085 mas, bpa=-17.18 degrees ! Estimated noise=0.407053 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000754868 Jy ! Component: 100 - total flux cleaned = -0.000614101 Jy ! Component: 150 - total flux cleaned = -0.000526022 Jy ! Component: 200 - total flux cleaned = -0.000365325 Jy ! Total flux subtracted in 200 components = -0.000365325 Jy ! Clean residual min=-0.001564 max=0.001462 Jy/beam ! Clean residual mean=-0.000001 rms=0.000343 Jy/beam ! Combined flux in latest and established models = 0.245637 Jy selfcal ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 216 components and 0.245637 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=0.069637Jy sigma=0.721541 ! Fit after self-cal, rms=0.069620Jy sigma=0.721229 wmodel J2149+0756_X_map.mod ! Writing 216 model components to file: J2149+0756_X_map.mod wobs J2149+0756_X_uvs.fits ! Writing UV FITS file: J2149+0756_X_uvs.fits wwins J2149+0756_X_map.win ! wwins: Wrote 6 windows to J2149+0756_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 = -0.000426605 Jy ! Component: 100 - total flux cleaned = -0.00090821 Jy ! Component: 150 - total flux cleaned = -0.00122763 Jy ! Component: 200 - total flux cleaned = -0.00155388 Jy ! Component: 250 - total flux cleaned = -0.00174321 Jy ! Component: 300 - total flux cleaned = -0.00190581 Jy ! Component: 350 - total flux cleaned = -0.00198489 Jy ! Component: 400 - total flux cleaned = -0.00208158 Jy ! Component: 450 - total flux cleaned = -0.0020818 Jy ! Component: 500 - total flux cleaned = -0.00217452 Jy ! Component: 550 - total flux cleaned = -0.00222831 Jy ! Component: 600 - total flux cleaned = -0.00219322 Jy ! Component: 650 - total flux cleaned = -0.00214136 Jy ! Component: 700 - total flux cleaned = -0.00212458 Jy ! Component: 750 - total flux cleaned = -0.00207438 Jy ! Component: 800 - total flux cleaned = -0.00200918 Jy ! Component: 850 - total flux cleaned = -0.00197726 Jy ! Component: 900 - total flux cleaned = -0.00194554 Jy ! Component: 950 - total flux cleaned = -0.00189914 Jy ! Component: 1000 - total flux cleaned = -0.00192965 Jy ! Component: 1050 - total flux cleaned = -0.00194497 Jy ! Component: 1100 - total flux cleaned = -0.00192998 Jy ! Component: 1150 - total flux cleaned = -0.00191532 Jy ! Component: 1200 - total flux cleaned = -0.00193002 Jy ! Component: 1250 - total flux cleaned = -0.00193019 Jy ! Component: 1300 - total flux cleaned = -0.00187367 Jy ! Component: 1350 - total flux cleaned = -0.00184596 Jy ! Component: 1400 - total flux cleaned = -0.00180457 Jy ! Component: 1450 - total flux cleaned = -0.00176398 Jy ! Component: 1500 - total flux cleaned = -0.00177741 Jy ! Component: 1550 - total flux cleaned = -0.00169748 Jy ! Component: 1600 - total flux cleaned = -0.00173697 Jy ! Component: 1650 - total flux cleaned = -0.00167156 Jy ! Component: 1700 - total flux cleaned = -0.00164577 Jy ! Component: 1750 - total flux cleaned = -0.00159464 Jy ! Component: 1800 - total flux cleaned = -0.00159463 Jy ! Component: 1850 - total flux cleaned = -0.00148187 Jy ! Component: 1900 - total flux cleaned = -0.00146962 Jy ! Component: 1950 - total flux cleaned = -0.00143258 Jy ! Component: 2000 - total flux cleaned = -0.00138383 Jy ! Component: 2050 - total flux cleaned = -0.0012995 Jy ! Component: 2100 - total flux cleaned = -0.00125178 Jy ! Component: 2150 - total flux cleaned = -0.00126375 Jy ! Component: 2200 - total flux cleaned = -0.00124014 Jy ! Component: 2250 - total flux cleaned = -0.00122828 Jy ! Component: 2300 - total flux cleaned = -0.00114733 Jy ! Component: 2350 - total flux cleaned = -0.0011245 Jy ! Component: 2400 - total flux cleaned = -0.00107885 Jy ! Component: 2450 - total flux cleaned = -0.00105615 Jy ! Component: 2500 - total flux cleaned = -0.00100011 Jy ! Component: 2550 - total flux cleaned = -0.000977978 Jy ! Component: 2600 - total flux cleaned = -0.000955973 Jy ! Component: 2650 - total flux cleaned = -0.000944947 Jy ! Component: 2700 - total flux cleaned = -0.000944849 Jy ! Component: 2750 - total flux cleaned = -0.000891031 Jy ! Component: 2800 - total flux cleaned = -0.00088027 Jy ! Component: 2850 - total flux cleaned = -0.000837781 Jy ! Component: 2900 - total flux cleaned = -0.00077465 Jy ! Component: 2950 - total flux cleaned = -0.00077473 Jy ! Component: 3000 - total flux cleaned = -0.000785264 Jy ! Component: 3050 - total flux cleaned = -0.000764702 Jy ! Component: 3100 - total flux cleaned = -0.000744368 Jy ! Component: 3150 - total flux cleaned = -0.000805186 Jy ! Component: 3200 - total flux cleaned = -0.000754851 Jy ! Component: 3250 - total flux cleaned = -0.000744778 Jy ! Component: 3300 - total flux cleaned = -0.00072482 Jy ! Component: 3350 - total flux cleaned = -0.000704948 Jy ! Component: 3400 - total flux cleaned = -0.000685253 Jy ! Component: 3450 - total flux cleaned = -0.000636581 Jy ! Component: 3500 - total flux cleaned = -0.000646237 Jy ! Component: 3550 - total flux cleaned = -0.000636658 Jy ! Component: 3600 - total flux cleaned = -0.000608091 Jy ! Component: 3650 - total flux cleaned = -0.000627161 Jy ! Component: 3700 - total flux cleaned = -0.000617797 Jy ! Component: 3750 - total flux cleaned = -0.000571063 Jy ! Component: 3800 - total flux cleaned = -0.000608249 Jy ! Component: 3850 - total flux cleaned = -0.000608291 Jy ! Component: 3900 - total flux cleaned = -0.000580887 Jy ! Component: 3950 - total flux cleaned = -0.000590083 Jy ! Component: 4000 - total flux cleaned = -0.000572069 Jy ! Component: 4050 - total flux cleaned = -0.000554124 Jy ! Total flux subtracted in 4096 components = -0.000545226 Jy ! Clean residual min=-0.000603 max=0.000569 Jy/beam ! Clean residual mean=-0.000001 rms=0.000163 Jy/beam ! Combined flux in latest and established models = 0.245092 Jy keep ! Adding 311 model components to the UV plane model. ! The established model now contains 527 components and 0.245092 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J2149+0756_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8492 x 3.085 at -17.18 degrees (North through East) ! Clean map min=-0.0019272 max=0.10711 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J2149+0756_X_map.fits wmodel /vlbi/bp222/maps//J2149+0756_X_map.mod ! Writing 527 model components to file: /vlbi/bp222/maps//J2149+0756_X_map.mod wobs /vlbi/bp222/maps//J2149+0756_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J2149+0756_X_uvs.fits wwins /vlbi/bp222/maps//J2149+0756_X_map.win ! wwins: Wrote 7 windows to /vlbi/bp222/maps//J2149+0756_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.107115 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000162235 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.454377 0.454377 0.908754 1.81751 3.63501 7.27003 14.5401 29.0801 58.1602 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.107 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 660.244 quit ! Quitting program ! Log file /vlbi/bp222/maps//J2149+0756_X_dfm.log closed on Thu Sep 27 11:38:57 2018