! Started logfile: /vlbi/uf001/uva//J1557+0253_X_dfm.log on Mon Jan 14 03:30:26 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//J1557+0253_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1557+0253_X_uva.fits ! AN table 1: 57 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.995712 visibilities/baseline/integration-bin. ! Found source: J1557+0253 ! ! 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 30648 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 J1557+0253_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. ! ! 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=1.004412Jy sigma=24.295488 ! Fit after self-cal, rms=0.937345Jy sigma=22.660252 ! 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=0.6942 mas, bmaj=1.732 mas, bpa=-2.989 degrees ! Estimated noise=0.305984 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 = 0.0501428 Jy ! Component: 100 - total flux cleaned = 0.0610964 Jy ! Total flux subtracted in 100 components = 0.0610964 Jy ! Clean residual min=-0.002516 max=0.005153 Jy/beam ! Clean residual mean=-0.000000 rms=0.000625 Jy/beam ! Combined flux in latest and established models = 0.0610964 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.0610964 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=0.065820Jy sigma=1.374907 ! Fit after self-cal, rms=0.065098Jy sigma=1.359897 ! Inverting map ! Added new window around map position (0.6, -4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00557368 Jy ! Component: 100 - total flux cleaned = 0.0092304 Jy ! Total flux subtracted in 100 components = 0.0092304 Jy ! Clean residual min=-0.002086 max=0.003642 Jy/beam ! Clean residual mean=0.000000 rms=0.000531 Jy/beam ! Combined flux in latest and established models = 0.0703268 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 20 components and 0.0703268 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=0.064540Jy sigma=1.342627 ! Fit after self-cal, rms=0.064510Jy sigma=1.341569 ! 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=0.8804 mas, bmaj=2.027 mas, bpa=-2.218 degrees ! Estimated noise=0.172965 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 (-1.2, -2.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00403366 Jy ! Component: 100 - total flux cleaned = 0.00674431 Jy ! Component: 150 - total flux cleaned = 0.00876466 Jy ! Component: 200 - total flux cleaned = 0.0101309 Jy ! Total flux subtracted in 200 components = 0.0101309 Jy ! Clean residual min=-0.001607 max=0.002770 Jy/beam ! Clean residual mean=0.000001 rms=0.000384 Jy/beam ! Combined flux in latest and established models = 0.0804577 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 37 components and 0.0804577 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=0.064228Jy sigma=1.331988 ! Fit after self-cal, rms=0.064227Jy sigma=1.331325 ! Inverting map ! Added new window around map position (1.2, 2.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00232311 Jy ! Component: 100 - total flux cleaned = 0.00379095 Jy ! Component: 150 - total flux cleaned = 0.00430139 Jy ! Component: 200 - total flux cleaned = 0.00461881 Jy ! Total flux subtracted in 200 components = 0.00461881 Jy ! Clean residual min=-0.001619 max=0.001703 Jy/beam ! Clean residual mean=0.000001 rms=0.000333 Jy/beam ! Combined flux in latest and established models = 0.0850765 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 55 components and 0.0850765 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=0.064130Jy sigma=1.328198 ! Fit after self-cal, rms=0.064125Jy sigma=1.328004 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8804 x 2.027 at -2.218 degrees (North through East) ! Clean map min=-0.0015082 max=0.06475 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.00 HN 0.88 KP 1.07 ! LA 0.96 MK 0.99 NL 1.06 OV 0.96 ! PT 0.99 SC 1.03 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.99 HN 0.92 KP 1.02 ! LA 0.97 MK 0.98 NL 1.09 OV 0.90 ! PT 1.00 SC 1.04 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.01 HN 0.98 KP 1.02 ! LA 0.93 MK 1.06 NL 1.07 OV 0.96 ! PT 1.01 SC 0.98 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.04 HN 0.93 KP 1.07 ! LA 0.91 MK 0.99 NL 1.10 OV 0.93 ! PT 1.01 SC 0.95 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.03 HN 0.90 KP 1.11 ! LA 0.99 MK 0.98 NL 1.10 OV 0.91 ! PT 0.99 SC 1.01 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.04 HN 0.90 KP 1.08 ! LA 0.93 MK 1.01 NL 1.08 OV 0.92 ! PT 1.02 SC 0.98 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.00 HN 0.93 KP 1.07 ! LA 0.97 MK 0.95 NL 1.07 OV 0.93 ! PT 0.97 SC 1.01 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.08 HN 0.93 KP 1.02 ! LA 0.93 MK 1.03 NL 1.12 OV 0.92 ! PT 1.07 SC 0.98 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.03 HN 0.90 KP 1.04 ! LA 1.00 MK 1.03 NL 1.07 OV 0.93 ! PT 1.01 SC 0.97 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.99 HN 0.94 KP 1.10 ! LA 1.02 MK 0.98 NL 1.07 OV 0.91 ! PT 0.98 SC 0.99 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.01 HN 0.92 KP 1.04 ! LA 0.96 MK 1.00 NL 1.08 OV 0.95 ! PT 1.00 SC 1.00 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.98 HN 0.90 KP 0.97 ! LA 0.98 MK 0.98 NL 1.17 OV 0.93 ! PT 0.99 SC 0.99 ! ! ! Fit before self-cal, rms=0.064125Jy sigma=1.328004 ! Fit after self-cal, rms=0.062561Jy sigma=1.322322 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8764 mas, bmaj=2.035 mas, bpa=-2.263 degrees ! Estimated noise=0.172612 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 = -0.000425853 Jy ! Component: 100 - total flux cleaned = -0.0006056 Jy ! Component: 150 - total flux cleaned = -0.000709396 Jy ! Component: 200 - total flux cleaned = -0.000728378 Jy ! Total flux subtracted in 200 components = -0.000728378 Jy ! Clean residual min=-0.000944 max=0.001086 Jy/beam ! Clean residual mean=0.000001 rms=0.000243 Jy/beam ! Combined flux in latest and established models = 0.0843482 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 76 components and 0.0843482 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=0.062540Jy sigma=1.321841 ! Fit after self-cal, rms=0.062571Jy sigma=1.321587 ! 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=0.062571Jy sigma=1.321587 ! Fit after self-cal, rms=0.063549Jy sigma=1.317503 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8759 mas, bmaj=2.038 mas, bpa=-2.204 degrees ! Estimated noise=0.173273 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000380594 Jy ! Component: 100 - total flux cleaned = -0.000473997 Jy ! Component: 150 - total flux cleaned = -0.000457153 Jy ! Component: 200 - total flux cleaned = -0.000442942 Jy ! Total flux subtracted in 200 components = -0.000442942 Jy ! Clean residual min=-0.000876 max=0.001029 Jy/beam ! Clean residual mean=0.000001 rms=0.000213 Jy/beam ! Combined flux in latest and established models = 0.0839052 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 89 components and 0.0839052 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=0.063540Jy sigma=1.317267 ! Fit after self-cal, rms=0.063569Jy sigma=1.317147 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (13.4, 6.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000825309 Jy ! Component: 100 - total flux cleaned = 0.00103561 Jy ! Component: 150 - total flux cleaned = 0.00115675 Jy ! Component: 200 - total flux cleaned = 0.0012425 Jy ! Total flux subtracted in 200 components = 0.0012425 Jy ! Clean residual min=-0.000847 max=0.000916 Jy/beam ! Clean residual mean=0.000000 rms=0.000207 Jy/beam ! Combined flux in latest and established models = 0.0851477 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 114 components and 0.0851477 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=0.063556Jy sigma=1.316836 ! Fit after self-cal, rms=0.063556Jy sigma=1.316810 ! Inverting map ! Added new window around map position (5.2, 42.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000464701 Jy ! Component: 100 - total flux cleaned = 0.000618327 Jy ! Component: 150 - total flux cleaned = 0.000836911 Jy ! Component: 200 - total flux cleaned = 0.000923191 Jy ! Total flux subtracted in 200 components = 0.000923191 Jy ! Clean residual min=-0.000797 max=0.000857 Jy/beam ! Clean residual mean=0.000000 rms=0.000201 Jy/beam ! Combined flux in latest and established models = 0.0860709 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 132 components and 0.0860709 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=0.063543Jy sigma=1.316523 ! Fit after self-cal, rms=0.063543Jy sigma=1.316496 ! 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=0.063543Jy sigma=1.316496 ! Fit after self-cal, rms=0.063410Jy sigma=1.316049 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8754 mas, bmaj=2.037 mas, bpa=-2.104 degrees ! Estimated noise=0.17278 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -7.03305e-05 Jy ! Component: 100 - total flux cleaned = 1.03245e-05 Jy ! Component: 150 - total flux cleaned = 8.14924e-05 Jy ! Component: 200 - total flux cleaned = 0.000114436 Jy ! Total flux subtracted in 200 components = 0.000114436 Jy ! Clean residual min=-0.000802 max=0.000816 Jy/beam ! Clean residual mean=0.000000 rms=0.000196 Jy/beam ! Combined flux in latest and established models = 0.0861854 Jy selfcal ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 143 components and 0.0861854 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=0.063404Jy sigma=1.315924 ! Fit after self-cal, rms=0.063410Jy sigma=1.315902 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 7.44438e-06 Jy ! Component: 100 - total flux cleaned = 5.90727e-05 Jy ! Component: 150 - total flux cleaned = 7.85752e-05 Jy ! Component: 200 - total flux cleaned = 8.78682e-05 Jy ! Total flux subtracted in 200 components = 8.78682e-05 Jy ! Clean residual min=-0.000792 max=0.000812 Jy/beam ! Clean residual mean=0.000000 rms=0.000195 Jy/beam ! Combined flux in latest and established models = 0.0862732 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 149 components and 0.0862733 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=0.063407Jy sigma=1.315839 ! Fit after self-cal, rms=0.063407Jy sigma=1.315836 ! 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=0.063407Jy sigma=1.315836 ! Fit after self-cal, rms=0.063343Jy sigma=1.315814 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.156 mas, bmaj=3.353 mas, bpa=1.742 degrees ! Estimated noise=0.217116 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000110901 Jy ! Component: 100 - total flux cleaned = -7.13332e-05 Jy ! Component: 150 - total flux cleaned = -8.7717e-06 Jy ! Component: 200 - total flux cleaned = 4.70317e-05 Jy ! Total flux subtracted in 200 components = 4.70317e-05 Jy ! Clean residual min=-0.000842 max=0.000976 Jy/beam ! Clean residual mean=0.000001 rms=0.000234 Jy/beam ! Combined flux in latest and established models = 0.0863203 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 170 components and 0.0863203 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=0.063342Jy sigma=1.315787 ! Fit after self-cal, rms=0.063341Jy sigma=1.315785 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 = 2.23713e-05 Jy ! Component: 100 - total flux cleaned = 7.29518e-05 Jy ! Component: 150 - total flux cleaned = 0.000106583 Jy ! Component: 200 - total flux cleaned = 0.000138179 Jy ! Total flux subtracted in 200 components = 0.000138179 Jy ! Clean residual min=-0.000811 max=0.000956 Jy/beam ! Clean residual mean=0.000001 rms=0.000232 Jy/beam ! Combined flux in latest and established models = 0.0864585 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 184 components and 0.0864585 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=0.063341Jy sigma=1.315781 ! Fit after self-cal, rms=0.063341Jy sigma=1.315780 ! 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=0.8751 mas, bmaj=2.037 mas, bpa=-2.065 degrees ! Estimated noise=0.17263 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8751 x 2.037 at -2.065 degrees (North through East) ! Clean map min=-0.00076974 max=0.064554 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=0.6912 mas, bmaj=1.742 mas, bpa=-2.885 degrees ! Estimated noise=0.303974 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0502244 Jy ! Component: 100 - total flux cleaned = 0.06163 Jy ! Component: 150 - total flux cleaned = 0.0668822 Jy ! Component: 200 - total flux cleaned = 0.0703093 Jy ! Total flux subtracted in 200 components = 0.0703093 Jy ! Clean residual min=-0.001674 max=0.001884 Jy/beam ! Clean residual mean=-0.000000 rms=0.000416 Jy/beam ! Combined flux in latest and established models = 0.0703093 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 17 model components to the UV plane model. ! The established model now contains 17 components and 0.0703093 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8751 mas, bmaj=2.037 mas, bpa=-2.065 degrees ! Estimated noise=0.17263 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 = 0.00350635 Jy ! Component: 100 - total flux cleaned = 0.00585604 Jy ! Component: 150 - total flux cleaned = 0.00759308 Jy ! Component: 200 - total flux cleaned = 0.00899399 Jy ! Total flux subtracted in 200 components = 0.00899399 Jy ! Clean residual min=-0.000954 max=0.001003 Jy/beam ! Clean residual mean=0.000000 rms=0.000240 Jy/beam ! Combined flux in latest and established models = 0.0793033 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 40 components and 0.0793033 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=2.156 mas, bmaj=3.353 mas, bpa=1.742 degrees ! Estimated noise=0.217116 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00162108 Jy ! Component: 100 - total flux cleaned = 0.00271252 Jy ! Component: 150 - total flux cleaned = 0.00353324 Jy ! Component: 200 - total flux cleaned = 0.00420462 Jy ! Total flux subtracted in 200 components = 0.00420462 Jy ! Clean residual min=-0.000880 max=0.000938 Jy/beam ! Clean residual mean=0.000001 rms=0.000253 Jy/beam ! Combined flux in latest and established models = 0.0835079 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 = 0.000567685 Jy ! Component: 100 - total flux cleaned = 0.00099606 Jy ! Component: 150 - total flux cleaned = 0.00128588 Jy ! Component: 200 - total flux cleaned = 0.00154478 Jy ! Total flux subtracted in 200 components = 0.00154478 Jy ! Clean residual min=-0.000833 max=0.000949 Jy/beam ! Clean residual mean=0.000001 rms=0.000239 Jy/beam ! Combined flux in latest and established models = 0.0850527 Jy ! Adding 76 model components to the UV plane model. ! The established model now contains 109 components and 0.0850527 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8751 mas, bmaj=2.037 mas, bpa=-2.065 degrees ! Estimated noise=0.17263 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000297101 Jy ! Component: 100 - total flux cleaned = 0.000348323 Jy ! Component: 150 - total flux cleaned = 0.000471196 Jy ! Component: 200 - total flux cleaned = 0.000619197 Jy ! Total flux subtracted in 200 components = 0.000619197 Jy ! Clean residual min=-0.000819 max=0.000830 Jy/beam ! Clean residual mean=0.000000 rms=0.000199 Jy/beam ! Combined flux in latest and established models = 0.0856719 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 130 components and 0.0856719 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=0.063360Jy sigma=1.316268 ! Fit after self-cal, rms=0.063353Jy sigma=1.316223 wmodel J1557+0253_X_map.mod ! Writing 130 model components to file: J1557+0253_X_map.mod wobs J1557+0253_X_uvs.fits ! Writing UV FITS file: J1557+0253_X_uvs.fits wwins J1557+0253_X_map.win ! wwins: Wrote 6 windows to J1557+0253_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 = 6.2031e-05 Jy ! Component: 100 - total flux cleaned = 6.19729e-05 Jy ! Component: 150 - total flux cleaned = 0.000103592 Jy ! Component: 200 - total flux cleaned = 0.000130667 Jy ! Component: 250 - total flux cleaned = 0.00018358 Jy ! Component: 300 - total flux cleaned = 0.000209575 Jy ! Component: 350 - total flux cleaned = 0.000247344 Jy ! Component: 400 - total flux cleaned = 0.000284354 Jy ! Component: 450 - total flux cleaned = 0.000308679 Jy ! Component: 500 - total flux cleaned = 0.000284451 Jy ! Component: 550 - total flux cleaned = 0.000272493 Jy ! Component: 600 - total flux cleaned = 0.000260653 Jy ! Component: 650 - total flux cleaned = 0.000248986 Jy ! Component: 700 - total flux cleaned = 0.000305534 Jy ! Component: 750 - total flux cleaned = 0.000294252 Jy ! Component: 800 - total flux cleaned = 0.000305336 Jy ! Component: 850 - total flux cleaned = 0.000338105 Jy ! Component: 900 - total flux cleaned = 0.000316322 Jy ! Component: 950 - total flux cleaned = 0.000305843 Jy ! Component: 1000 - total flux cleaned = 0.000316425 Jy ! Component: 1050 - total flux cleaned = 0.000316342 Jy ! Component: 1100 - total flux cleaned = 0.000274811 Jy ! Component: 1150 - total flux cleaned = 0.000264518 Jy ! Component: 1200 - total flux cleaned = 0.000254439 Jy ! Component: 1250 - total flux cleaned = 0.000234253 Jy ! Component: 1300 - total flux cleaned = 0.000254405 Jy ! Component: 1350 - total flux cleaned = 0.000234453 Jy ! Component: 1400 - total flux cleaned = 0.000244304 Jy ! Component: 1450 - total flux cleaned = 0.000234639 Jy ! Component: 1500 - total flux cleaned = 0.000225076 Jy ! Component: 1550 - total flux cleaned = 0.000244237 Jy ! Component: 1600 - total flux cleaned = 0.000196416 Jy ! Component: 1650 - total flux cleaned = 0.000177455 Jy ! Component: 1700 - total flux cleaned = 0.000149268 Jy ! Component: 1750 - total flux cleaned = 0.000158751 Jy ! Component: 1800 - total flux cleaned = 0.000121621 Jy ! Component: 1850 - total flux cleaned = 9.39662e-05 Jy ! Component: 1900 - total flux cleaned = 7.55756e-05 Jy ! Component: 1950 - total flux cleaned = 2.10002e-05 Jy ! Component: 2000 - total flux cleaned = 5.71203e-05 Jy ! Component: 2050 - total flux cleaned = 3.27246e-06 Jy ! Component: 2100 - total flux cleaned = 2.10893e-05 Jy ! Component: 2150 - total flux cleaned = -2.32415e-05 Jy ! Component: 2200 - total flux cleaned = -5.58169e-06 Jy ! Component: 2250 - total flux cleaned = -1.4271e-05 Jy ! Component: 2300 - total flux cleaned = -5.77437e-05 Jy ! Component: 2350 - total flux cleaned = -4.91e-05 Jy ! Component: 2400 - total flux cleaned = -6.62796e-05 Jy ! Component: 2450 - total flux cleaned = -5.77277e-05 Jy ! Component: 2500 - total flux cleaned = -4.92434e-05 Jy ! Component: 2550 - total flux cleaned = -4.91418e-05 Jy ! Component: 2600 - total flux cleaned = -4.90705e-05 Jy ! Component: 2650 - total flux cleaned = -2.39889e-05 Jy ! Component: 2700 - total flux cleaned = -4.06038e-05 Jy ! Component: 2750 - total flux cleaned = -2.40219e-05 Jy ! Component: 2800 - total flux cleaned = -2.39851e-05 Jy ! Component: 2850 - total flux cleaned = -2.39832e-05 Jy ! Component: 2900 - total flux cleaned = 2.47979e-05 Jy ! Component: 2950 - total flux cleaned = 3.82252e-07 Jy ! Component: 3000 - total flux cleaned = 4.59662e-07 Jy ! Component: 3050 - total flux cleaned = 2.44573e-05 Jy ! Component: 3100 - total flux cleaned = 8.02048e-05 Jy ! Component: 3150 - total flux cleaned = 6.43312e-05 Jy ! Component: 3200 - total flux cleaned = 0.000103728 Jy ! Component: 3250 - total flux cleaned = 0.000135097 Jy ! Component: 3300 - total flux cleaned = 0.000135133 Jy ! Component: 3350 - total flux cleaned = 0.000166223 Jy ! Component: 3400 - total flux cleaned = 0.000189436 Jy ! Component: 3450 - total flux cleaned = 0.000204868 Jy ! Component: 3500 - total flux cleaned = 0.000250882 Jy ! Component: 3550 - total flux cleaned = 0.000258472 Jy ! Component: 3600 - total flux cleaned = 0.000250776 Jy ! Component: 3650 - total flux cleaned = 0.000281062 Jy ! Component: 3700 - total flux cleaned = 0.000363949 Jy ! Component: 3750 - total flux cleaned = 0.000363966 Jy ! Component: 3800 - total flux cleaned = 0.000341562 Jy ! Component: 3850 - total flux cleaned = 0.000378749 Jy ! Component: 3900 - total flux cleaned = 0.000430627 Jy ! Component: 3950 - total flux cleaned = 0.000423269 Jy ! Component: 4000 - total flux cleaned = 0.000489326 Jy ! Component: 4050 - total flux cleaned = 0.000452784 Jy ! Total flux subtracted in 4096 components = 0.000489189 Jy ! Clean residual min=-0.000443 max=0.000520 Jy/beam ! Clean residual mean=0.000000 rms=0.000129 Jy/beam ! Combined flux in latest and established models = 0.0861611 Jy keep ! Adding 315 model components to the UV plane model. ! The established model now contains 445 components and 0.0861611 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1557+0253_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8751 x 2.037 at -2.065 degrees (North through East) ! Clean map min=-0.00072599 max=0.064618 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1557+0253_X_map.fits wmodel /vlbi/uf001/uva//J1557+0253_X_map.mod ! Writing 445 model components to file: /vlbi/uf001/uva//J1557+0253_X_map.mod wobs /vlbi/uf001/uva//J1557+0253_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1557+0253_X_uvs.fits wwins /vlbi/uf001/uva//J1557+0253_X_map.win ! wwins: Wrote 7 windows to /vlbi/uf001/uva//J1557+0253_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0646176 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000128384 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.596046 0.596046 1.19209 2.38419 4.76837 9.53674 19.0735 38.147 76.2939 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.064 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 503.316 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1557+0253_X_dfm.log closed on Mon Jan 14 03:30:32 2019